Merge tag 'amd-drm-next-6.3-2023-02-17' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.3-2023-02-17:

amdgpu:
- GC 11 fixes
- Display fixes
- Backlight cleanup
- SMU13 fixes
- SMU7 regression fix
- GFX9 sw queues fix
- AGP fix for GMC 11
- W1 warning fixes
- S/G display fixes
- Misc spelling fixes
- Driver unload fix
- DCN 3.1.4 fixes
- Display code reorg fixes
- Rotation fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230217230930.64821-1-alexander.deucher@amd.com

148 files changed, 7488 insertions, 5708 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 5df603192cdc..1d72cbc85348 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -34,6 +34,7 @@ ccflags-y := -I$(FULL_AMD_PATH)/include/asic_reg \
 	-I$(FULL_AMD_PATH)/acp/include \
 	-I$(FULL_AMD_DISPLAY_PATH) \
 	-I$(FULL_AMD_DISPLAY_PATH)/include \
+	-I$(FULL_AMD_DISPLAY_PATH)/modules/inc \
 	-I$(FULL_AMD_DISPLAY_PATH)/dc \
 	-I$(FULL_AMD_DISPLAY_PATH)/amdgpu_dm \
 	-I$(FULL_AMD_PATH)/amdkfd
@@ -76,7 +77,7 @@ amdgpu-y += \
 	vi.o mxgpu_vi.o nbio_v6_1.o soc15.o emu_soc.o mxgpu_ai.o nbio_v7_0.o vega10_reg_init.o \
 	vega20_reg_init.o nbio_v7_4.o nbio_v2_3.o nv.o arct_reg_init.o mxgpu_nv.o \
 	nbio_v7_2.o hdp_v4_0.o hdp_v5_0.o aldebaran_reg_init.o aldebaran.o soc21.o \
-	sienna_cichlid.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o
+	sienna_cichlid.o smu_v13_0_10.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o
 
 # add DF block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 4e4efd10cb89..164141bc8b4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -242,6 +242,7 @@ extern int amdgpu_num_kcq;
 
 #define AMDGPU_VCNFW_LOG_SIZE (32 * 1024)
 extern int amdgpu_vcnfw_log;
+extern int amdgpu_sg_display;
 
 #define AMDGPU_VM_MAX_NUM_CTX			4096
 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d376faad7696..c4a4e2fe6681 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -164,7 +164,7 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev);
  *
  * The amdgpu driver provides a sysfs API for reporting the product name
  * for the device
- * The file serial_number is used for this and returns the product name
+ * The file product_name is used for this and returns the product name
  * as returned from the FRU.
  * NOTE: This is only available for certain server cards
  */
@@ -186,7 +186,7 @@ static DEVICE_ATTR(product_name, S_IRUGO,
  *
  * The amdgpu driver provides a sysfs API for reporting the part number
  * for the device
- * The file serial_number is used for this and returns the part number
+ * The file product_number is used for this and returns the part number
  * as returned from the FRU.
  * NOTE: This is only available for certain server cards
  */
@@ -4270,6 +4270,9 @@ exit:
 	}
 	adev->in_suspend = false;
 
+	if (adev->enable_mes)
+		amdgpu_mes_self_test(adev);
+
 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0))
 		DRM_WARN("smart shift update failed\n");
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 1bf31707e4f7..86fbb4138285 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -188,6 +188,7 @@ int amdgpu_num_kcq = -1;
 int amdgpu_smartshift_bias;
 int amdgpu_use_xgmi_p2p = 1;
 int amdgpu_vcnfw_log;
+int amdgpu_sg_display = -1; /* auto */
 
 static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work);
 
@@ -934,6 +935,16 @@ MODULE_PARM_DESC(vcnfw_log, "Enable vcnfw log(0 = disable (default value), 1 = e
 module_param_named(vcnfw_log, amdgpu_vcnfw_log, int, 0444);
 
 /**
+ * DOC: sg_display (int)
+ * Disable S/G (scatter/gather) display (i.e., display from system memory).
+ * This option is only relevant on APUs.  Set this option to 0 to disable
+ * S/G display if you experience flickering or other issues under memory
+ * pressure and report the issue.
+ */
+MODULE_PARM_DESC(sg_display, "S/G Display (-1 = auto (default), 0 = disable)");
+module_param_named(sg_display, amdgpu_sg_display, int, 0444);
+
+/**
  * DOC: smu_pptable_id (int)
  * Used to override pptable id. id = 0 use VBIOS pptable.
  * id > 0 use the soft pptable with specicfied id.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 00444203220d..faff4a3f96e6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -618,7 +618,13 @@ void amdgpu_fence_driver_sw_fini(struct amdgpu_device *adev)
 		if (!ring || !ring->fence_drv.initialized)
 			continue;
 
-		if (!ring->no_scheduler)
+		/*
+		 * Notice we check for sched.ops since there's some
+		 * override on the meaning of sched.ready by amdgpu.
+		 * The natural check would be sched.ready, which is
+		 * set as drm_sched_init() finishes...
+		 */
+		if (ring->sched.ops)
 			drm_sched_fini(&ring->sched);
 
 		for (j = 0; j <= ring->fence_drv.num_fences_mask; ++j)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 40929f34447c..15e601f09648 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -620,7 +620,8 @@ psp_cmd_submit_buf(struct psp_context *psp,
 	 */
 	if (!dev_entered)
 		WARN_ON(psp->cmd_buf_mem->cmd_id != GFX_CMD_ID_LOAD_ASD &&
-			psp->cmd_buf_mem->cmd_id != GFX_CMD_ID_UNLOAD_TA);
+			psp->cmd_buf_mem->cmd_id != GFX_CMD_ID_UNLOAD_TA &&
+			psp->cmd_buf_mem->cmd_id != GFX_CMD_ID_INVOKE_CMD);
 
 	memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
index f778466bb9db..6437ead87e5f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
@@ -24,6 +24,7 @@
 #include "amdgpu_reset.h"
 #include "aldebaran.h"
 #include "sienna_cichlid.h"
+#include "smu_v13_0_10.h"
 
 int amdgpu_reset_add_handler(struct amdgpu_reset_control *reset_ctl,
 			     struct amdgpu_reset_handler *handler)
@@ -44,6 +45,9 @@ int amdgpu_reset_init(struct amdgpu_device *adev)
 	case IP_VERSION(11, 0, 7):
 		ret = sienna_cichlid_reset_init(adev);
 		break;
+	case IP_VERSION(13, 0, 10):
+		ret = smu_v13_0_10_reset_init(adev);
+		break;
 	default:
 		break;
 	}
@@ -62,6 +66,9 @@ int amdgpu_reset_fini(struct amdgpu_device *adev)
 	case IP_VERSION(11, 0, 7):
 		ret = sienna_cichlid_reset_fini(adev);
 		break;
+	case IP_VERSION(13, 0, 10):
+		ret = smu_v13_0_10_reset_fini(adev);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index f752c7ae7f60..3989e755a5b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -295,7 +295,7 @@ struct amdgpu_ring {
 #define amdgpu_ring_parse_cs(r, p, job, ib) ((r)->funcs->parse_cs((p), (job), (ib)))
 #define amdgpu_ring_patch_cs_in_place(r, p, job, ib) ((r)->funcs->patch_cs_in_place((p), (job), (ib)))
 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
-#define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t))
+#define amdgpu_ring_test_ib(r, t) ((r)->funcs->test_ib ? (r)->funcs->test_ib((r), (t)) : 0)
 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
index bee93ab4298f..b03321e7d2d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
@@ -538,6 +538,7 @@ struct amdgpu_firmware {
 
 void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr);
+void amdgpu_ucode_print_imu_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_gfx_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr);
 void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index ca5a1d026f5a..f2e2cbaa7fde 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -983,9 +983,13 @@ static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v
 	if (offset == reg_access_ctrl->grbm_cntl) {
 		/* if the target reg offset is grbm_cntl, write to scratch_reg2 */
 		writel(v, scratch_reg2);
+		if (flag == AMDGPU_RLCG_GC_WRITE_LEGACY)
+			writel(v, ((void __iomem *)adev->rmmio) + (offset * 4));
 	} else if (offset == reg_access_ctrl->grbm_idx) {
 		/* if the target reg offset is grbm_idx, write to scratch_reg3 */
 		writel(v, scratch_reg3);
+		if (flag == AMDGPU_RLCG_GC_WRITE_LEGACY)
+			writel(v, ((void __iomem *)adev->rmmio) + (offset * 4));
 	} else {
 		/*
 		 * SCRATCH_REG0 	= read/write value
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
index b5f3bba851db..01e42bdd8e4e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
@@ -974,7 +974,7 @@ int amdgpu_vm_ptes_update(struct amdgpu_vm_update_params *params,
 			trace_amdgpu_vm_update_ptes(params, frag_start, upd_end,
 						    min(nptes, 32u), dst, incr,
 						    upd_flags,
-						    vm->task_info.pid,
+						    vm->task_info.tgid,
 						    vm->immediate.fence_context);
 			amdgpu_vm_pte_update_flags(params, to_amdgpu_bo_vm(pt),
 						   cursor.level, pe_start, dst,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 8ad5c03506f2..ae09fc1cfe6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -6783,7 +6783,6 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
 	.emit_gds_switch = gfx_v9_0_ring_emit_gds_switch,
 	.emit_hdp_flush = gfx_v9_0_ring_emit_hdp_flush,
 	.test_ring = gfx_v9_0_ring_test_ring,
-	.test_ib = gfx_v9_0_ring_test_ib,
 	.insert_nop = amdgpu_ring_insert_nop,
 	.pad_ib = amdgpu_ring_generic_pad_ib,
 	.emit_switch_buffer = gfx_v9_ring_emit_sb,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c
index 7c069010ca9a..be0d0f47415e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c
@@ -159,9 +159,9 @@ static void gfxhub_v3_0_init_system_aperture_regs(struct amdgpu_device *adev)
 
 	/* Program the system aperture low logical page number. */
 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
-		     adev->gmc.vram_start >> 18);
+		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
-		     adev->gmc.vram_end >> 18);
+		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 
 	/* Set default page address. */
 	value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c
index 3dc17a3deedb..6e0bd628c889 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c
@@ -159,14 +159,14 @@ static void gfxhub_v3_0_3_init_system_aperture_regs(struct amdgpu_device *adev)
 
 	/* Disable AGP. */
 	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);
-	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, 0);
-	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, 0x00FFFFFF);
+	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
+	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
 
 	/* Program the system aperture low logical page number. */
 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
-		     adev->gmc.vram_start >> 18);
+		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
-		     adev->gmc.vram_end >> 18);
+		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 
 	/* Set default page address. */
 	value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 62cdd2113135..5826eac270d7 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -1284,7 +1284,7 @@ static int mes_v11_0_late_init(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
 	/* it's only intended for use in mes_self_test case, not for s0ix and reset */
-	if (!amdgpu_in_reset(adev) && !adev->in_s0ix &&
+	if (!amdgpu_in_reset(adev) && !adev->in_s0ix && !adev->in_suspend &&
 	    (adev->ip_versions[GC_HWIP][0] != IP_VERSION(11, 0, 3)))
 		amdgpu_mes_self_test(adev);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c
index 923fc09bc8fc..164948c50ac3 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c
@@ -184,9 +184,9 @@ static void mmhub_v3_0_init_system_aperture_regs(struct amdgpu_device *adev)
 
 	/* Program the system aperture low logical page number. */
 	WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
-		     adev->gmc.vram_start >> 18);
+		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 	WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
-		     adev->gmc.vram_end >> 18);
+		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 
 	/* Set default page address. */
 	value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start +
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_1.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_1.c
index c8d478f2afdc..26509b6b8c24 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_1.c
@@ -183,9 +183,9 @@ static void mmhub_v3_0_1_init_system_aperture_regs(struct amdgpu_device *adev)
 	 */
 	/* Program the system aperture low logical page number. */
 	WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
-		     adev->gmc.vram_start >> 18);
+		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 	WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
-		     adev->gmc.vram_end >> 18);
+		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 
 	/* Set default page address. */
 	value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start +
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c
index 51580302ec42..26abbc6a47ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c
@@ -175,9 +175,9 @@ static void mmhub_v3_0_2_init_system_aperture_regs(struct amdgpu_device *adev)
 		 */
 		/* Program the system aperture low logical page number. */
 		WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
-			     adev->gmc.vram_start >> 18);
+			     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 		WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
-			     adev->gmc.vram_end >> 18);
+			     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 	}
 
 	/* Set default page address. */
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
index 3d36329be384..40e6b22daa22 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
@@ -273,8 +273,6 @@ static void sdma_v6_0_ring_emit_ib(struct amdgpu_ring *ring,
  * sdma_v6_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
  *
  * @ring: amdgpu ring pointer
- * @job: job to retrieve vmid from
- * @ib: IB object to schedule
  *
  * flush the IB by graphics cache rinse.
  */
@@ -326,7 +324,9 @@ static void sdma_v6_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
  * sdma_v6_0_ring_emit_fence - emit a fence on the DMA ring
  *
  * @ring: amdgpu ring pointer
- * @fence: amdgpu fence object
+ * @addr: address
+ * @seq: fence seq number
+ * @flags: fence flags
  *
  * Add a DMA fence packet to the ring to write
  * the fence seq number and DMA trap packet to generate
@@ -1060,10 +1060,9 @@ static void sdma_v6_0_vm_copy_pte(struct amdgpu_ib *ib,
  *
  * @ib: indirect buffer to fill with commands
  * @pe: addr of the page entry
- * @addr: dst addr to write into pe
+ * @value: dst addr to write into pe
  * @count: number of page entries to update
  * @incr: increase next addr by incr bytes
- * @flags: access flags
  *
  * Update PTEs by writing them manually using sDMA.
  */
@@ -1167,7 +1166,6 @@ static void sdma_v6_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
  * sdma_v6_0_ring_emit_vm_flush - vm flush using sDMA
  *
  * @ring: amdgpu_ring pointer
- * @vm: amdgpu_vm pointer
  *
  * Update the page table base and flush the VM TLB
  * using sDMA.
@@ -1591,10 +1589,11 @@ static void sdma_v6_0_set_irq_funcs(struct amdgpu_device *adev)
 /**
  * sdma_v6_0_emit_copy_buffer - copy buffer using the sDMA engine
  *
- * @ring: amdgpu_ring structure holding ring information
+ * @ib: indirect buffer to fill with commands
  * @src_offset: src GPU address
  * @dst_offset: dst GPU address
  * @byte_count: number of bytes to xfer
+ * @tmz: if a secure copy should be used
  *
  * Copy GPU buffers using the DMA engine.
  * Used by the amdgpu ttm implementation to move pages if
@@ -1620,7 +1619,7 @@ static void sdma_v6_0_emit_copy_buffer(struct amdgpu_ib *ib,
 /**
  * sdma_v6_0_emit_fill_buffer - fill buffer using the sDMA engine
  *
- * @ring: amdgpu_ring structure holding ring information
+ * @ib: indirect buffer to fill
  * @src_data: value to write to buffer
  * @dst_offset: dst GPU address
  * @byte_count: number of bytes to xfer
diff --git a/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c b/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c
new file mode 100644
index 000000000000..ae29620b1ea4
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "smu_v13_0_10.h"
+#include "amdgpu_reset.h"
+#include "amdgpu_dpm.h"
+#include "amdgpu_job.h"
+#include "amdgpu_ring.h"
+#include "amdgpu_ras.h"
+#include "amdgpu_psp.h"
+
+static bool smu_v13_0_10_is_mode2_default(struct amdgpu_reset_control *reset_ctl)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+	if (adev->pm.fw_version >= 0x00502005 && !amdgpu_sriov_vf(adev))
+		return true;
+
+	return false;
+}
+
+static struct amdgpu_reset_handler *
+smu_v13_0_10_get_reset_handler(struct amdgpu_reset_control *reset_ctl,
+			    struct amdgpu_reset_context *reset_context)
+{
+	struct amdgpu_reset_handler *handler;
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	if (reset_context->method != AMD_RESET_METHOD_NONE) {
+		list_for_each_entry(handler, &reset_ctl->reset_handlers,
+				     handler_list) {
+			if (handler->reset_method == reset_context->method)
+				return handler;
+		}
+	}
+
+	if (smu_v13_0_10_is_mode2_default(reset_ctl) &&
+		amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_MODE2) {
+		list_for_each_entry (handler, &reset_ctl->reset_handlers,
+				     handler_list) {
+			if (handler->reset_method == AMD_RESET_METHOD_MODE2)
+				return handler;
+		}
+	}
+
+	return NULL;
+}
+
+static int smu_v13_0_10_mode2_suspend_ip(struct amdgpu_device *adev)
+{
+	int r, i;
+
+	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
+	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
+
+	for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
+		if (!(adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_GFX ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_SDMA ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_MES))
+			continue;
+
+		r = adev->ip_blocks[i].version->funcs->suspend(adev);
+
+		if (r) {
+			dev_err(adev->dev,
+				"suspend of IP block <%s> failed %d\n",
+				adev->ip_blocks[i].version->funcs->name, r);
+			return r;
+		}
+		adev->ip_blocks[i].status.hw = false;
+	}
+
+	return r;
+}
+
+static int
+smu_v13_0_10_mode2_prepare_hwcontext(struct amdgpu_reset_control *reset_ctl,
+				  struct amdgpu_reset_context *reset_context)
+{
+	int r = 0;
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	if (!amdgpu_sriov_vf(adev))
+		r = smu_v13_0_10_mode2_suspend_ip(adev);
+
+	return r;
+}
+
+static int smu_v13_0_10_mode2_reset(struct amdgpu_device *adev)
+{
+	return amdgpu_dpm_mode2_reset(adev);
+}
+
+static void smu_v13_0_10_async_reset(struct work_struct *work)
+{
+	struct amdgpu_reset_handler *handler;
+	struct amdgpu_reset_control *reset_ctl =
+		container_of(work, struct amdgpu_reset_control, reset_work);
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	list_for_each_entry(handler, &reset_ctl->reset_handlers,
+			     handler_list) {
+		if (handler->reset_method == reset_ctl->active_reset) {
+			dev_dbg(adev->dev, "Resetting device\n");
+			handler->do_reset(adev);
+			break;
+		}
+	}
+}
+static int
+smu_v13_0_10_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
+			      struct amdgpu_reset_context *reset_context)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+	int r;
+
+	r = smu_v13_0_10_mode2_reset(adev);
+	if (r) {
+		dev_err(adev->dev,
+			"ASIC reset failed with error, %d ", r);
+	}
+	return r;
+}
+
+static int smu_v13_0_10_mode2_restore_ip(struct amdgpu_device *adev)
+{
+	int i, r;
+	struct psp_context *psp = &adev->psp;
+	struct amdgpu_firmware_info *ucode;
+	struct amdgpu_firmware_info *ucode_list[2];
+	int ucode_count = 0;
+
+	for (i = 0; i < adev->firmware.max_ucodes; i++) {
+		ucode = &adev->firmware.ucode[i];
+
+		switch (ucode->ucode_id) {
+		case AMDGPU_UCODE_ID_IMU_I:
+		case AMDGPU_UCODE_ID_IMU_D:
+			ucode_list[ucode_count++] = ucode;
+			break;
+		default:
+			break;
+		}
+	}
+
+	r = psp_load_fw_list(psp, ucode_list, ucode_count);
+	if (r) {
+		dev_err(adev->dev, "IMU ucode load failed after mode2 reset\n");
+		return r;
+	}
+
+	r = psp_rlc_autoload_start(psp);
+	if (r) {
+		DRM_ERROR("Failed to start rlc autoload after mode2 reset\n");
+		return r;
+	}
+
+	amdgpu_dpm_enable_gfx_features(adev);
+
+	for (i = 0; i < adev->num_ip_blocks; i++) {
+		if (!(adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_GFX ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_MES ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_SDMA))
+			continue;
+		r = adev->ip_blocks[i].version->funcs->resume(adev);
+		if (r) {
+			dev_err(adev->dev,
+				"resume of IP block <%s> failed %d\n",
+				adev->ip_blocks[i].version->funcs->name, r);
+			return r;
+		}
+
+		adev->ip_blocks[i].status.hw = true;
+	}
+
+	for (i = 0; i < adev->num_ip_blocks; i++) {
+		if (!(adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_GFX ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_MES ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_SDMA))
+			continue;
+
+		if (adev->ip_blocks[i].version->funcs->late_init) {
+			r = adev->ip_blocks[i].version->funcs->late_init(
+				(void *)adev);
+			if (r) {
+				dev_err(adev->dev,
+					"late_init of IP block <%s> failed %d after reset\n",
+					adev->ip_blocks[i].version->funcs->name,
+					r);
+				return r;
+			}
+		}
+		adev->ip_blocks[i].status.late_initialized = true;
+	}
+
+	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
+	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);
+
+	return r;
+}
+
+static int
+smu_v13_0_10_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_ctl,
+				  struct amdgpu_reset_context *reset_context)
+{
+	int r;
+	struct amdgpu_device *tmp_adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	dev_info(tmp_adev->dev,
+			"GPU reset succeeded, trying to resume\n");
+	r = smu_v13_0_10_mode2_restore_ip(tmp_adev);
+	if (r)
+		goto end;
+
+	amdgpu_register_gpu_instance(tmp_adev);
+
+	/* Resume RAS */
+	amdgpu_ras_resume(tmp_adev);
+
+	amdgpu_irq_gpu_reset_resume_helper(tmp_adev);
+
+	r = amdgpu_ib_ring_tests(tmp_adev);
+	if (r) {
+		dev_err(tmp_adev->dev,
+			"ib ring test failed (%d).\n", r);
+		r = -EAGAIN;
+		goto end;
+	}
+
+end:
+	if (r)
+		return -EAGAIN;
+	else
+		return r;
+}
+
+static struct amdgpu_reset_handler smu_v13_0_10_mode2_handler = {
+	.reset_method		= AMD_RESET_METHOD_MODE2,
+	.prepare_env		= NULL,
+	.prepare_hwcontext	= smu_v13_0_10_mode2_prepare_hwcontext,
+	.perform_reset		= smu_v13_0_10_mode2_perform_reset,
+	.restore_hwcontext	= smu_v13_0_10_mode2_restore_hwcontext,
+	.restore_env		= NULL,
+	.do_reset		= smu_v13_0_10_mode2_reset,
+};
+
+int smu_v13_0_10_reset_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_reset_control *reset_ctl;
+
+	reset_ctl = kzalloc(sizeof(*reset_ctl), GFP_KERNEL);
+	if (!reset_ctl)
+		return -ENOMEM;
+
+	reset_ctl->handle = adev;
+	reset_ctl->async_reset = smu_v13_0_10_async_reset;
+	reset_ctl->active_reset = AMD_RESET_METHOD_NONE;
+	reset_ctl->get_reset_handler = smu_v13_0_10_get_reset_handler;
+
+	INIT_LIST_HEAD(&reset_ctl->reset_handlers);
+	INIT_WORK(&reset_ctl->reset_work, reset_ctl->async_reset);
+	/* Only mode2 is handled through reset control now */
+	amdgpu_reset_add_handler(reset_ctl, &smu_v13_0_10_mode2_handler);
+
+	adev->reset_cntl = reset_ctl;
+
+	return 0;
+}
+
+int smu_v13_0_10_reset_fini(struct amdgpu_device *adev)
+{
+	kfree(adev->reset_cntl);
+	adev->reset_cntl = NULL;
+	return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.h b/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.h
new file mode 100644
index 000000000000..e0cb72a0eec6
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __SMU_V13_0_10_H__
+#define __SMU_V13_0_10_H__
+
+#include "amdgpu.h"
+
+int smu_v13_0_10_reset_init(struct amdgpu_device *adev);
+int smu_v13_0_10_reset_fini(struct amdgpu_device *adev);
+
+#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 477be4b62bc3..620f7409825d 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -677,7 +677,9 @@ static int soc21_common_early_init(void *handle)
 			AMD_CG_SUPPORT_GFX_CGLS |
 			AMD_CG_SUPPORT_REPEATER_FGCG |
 			AMD_CG_SUPPORT_GFX_MGCG |
-			AMD_CG_SUPPORT_HDP_SD;
+			AMD_CG_SUPPORT_HDP_SD |
+			AMD_CG_SUPPORT_ATHUB_MGCG |
+			AMD_CG_SUPPORT_ATHUB_LS;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_JPEG;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index f79b8e964140..072fa4fbd27f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1065,6 +1065,20 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
 		mutex_unlock(&p->svms.lock);
 		return -EADDRINUSE;
 	}
+
+	/* When register user buffer check if it has been registered by svm by
+	 * buffer cpu virtual address.
+	 */
+	if ((flags & KFD_IOC_ALLOC_MEM_FLAGS_USERPTR) &&
+	    interval_tree_iter_first(&p->svms.objects,
+				     args->mmap_offset >> PAGE_SHIFT,
+				     (args->mmap_offset  + args->size - 1) >> PAGE_SHIFT)) {
+		pr_err("User Buffer Address: 0x%llx already allocated by SVM\n",
+			args->mmap_offset);
+		mutex_unlock(&p->svms.lock);
+		return -EADDRINUSE;
+	}
+
 	mutex_unlock(&p->svms.lock);
 #endif
 	mutex_lock(&p->mutex);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f26beb0e0e1d..c420bce47acb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1191,7 +1191,7 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_
 
 	/* AGP aperture is disabled */
 	if (agp_bot == agp_top) {
-		logical_addr_low  = adev->gmc.vram_start >> 18;
+		logical_addr_low = adev->gmc.fb_start >> 18;
 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
 			/*
 			 * Raven2 has a HW issue that it is unable to use the vram which
@@ -1201,9 +1201,9 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_
 			 */
 			logical_addr_high = (adev->gmc.fb_end >> 18) + 0x1;
 		else
-			logical_addr_high = adev->gmc.vram_end >> 18;
+			logical_addr_high = adev->gmc.fb_end >> 18;
 	} else {
-		logical_addr_low  = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18;
+		logical_addr_low = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18;
 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
 			/*
 			 * Raven2 has a HW issue that it is unable to use the vram which
@@ -1283,7 +1283,7 @@ static void dm_handle_hpd_rx_offload_work(struct work_struct *work)
 	dc_link = aconnector->dc_link;
 
 	mutex_lock(&aconnector->hpd_lock);
-	if (!dc_link_detect_sink(dc_link, &new_connection_type))
+	if (!dc_link_detect_connection_type(dc_link, &new_connection_type))
 		DRM_ERROR("KMS: Failed to detect connector\n");
 	mutex_unlock(&aconnector->hpd_lock);
 
@@ -1334,7 +1334,7 @@ static void dm_handle_hpd_rx_offload_work(struct work_struct *work)
 		offload_work->offload_wq->is_handling_link_loss = false;
 		spin_unlock_irqrestore(&offload_work->offload_wq->offload_lock, flags);
 
-		if ((dp_read_hpd_rx_irq_data(dc_link, &irq_data) == DC_OK) &&
+		if ((dc_link_dp_read_hpd_rx_irq_data(dc_link, &irq_data) == DC_OK) &&
 			dc_link_check_link_loss_status(dc_link, &irq_data))
 			dc_link_dp_handle_link_loss(dc_link);
 	}
@@ -1566,8 +1566,12 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 			    (adev->apu_flags & AMD_APU_IS_PICASSO))
 				init_data.flags.gpu_vm_support = true;
 			break;
+		case IP_VERSION(2, 1, 0):
 		case IP_VERSION(3, 0, 1):
+		case IP_VERSION(3, 1, 2):
+		case IP_VERSION(3, 1, 3):
 		case IP_VERSION(3, 1, 4):
+		case IP_VERSION(3, 1, 5):
 		case IP_VERSION(3, 1, 6):
 			init_data.flags.gpu_vm_support = true;
 			break;
@@ -1576,6 +1580,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		}
 		break;
 	}
+	if (init_data.flags.gpu_vm_support &&
+	    (amdgpu_sg_display == 0))
+		init_data.flags.gpu_vm_support = false;
 
 	if (init_data.flags.gpu_vm_support)
 		adev->mode_info.gpu_vm_support = true;
@@ -1597,6 +1604,11 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP2_0)
 		init_data.flags.allow_lttpr_non_transparent_mode.bits.DP2_0 = true;
 
+	/* Disable SubVP + DRR config by default */
+	init_data.flags.disable_subvp_drr = true;
+	if (amdgpu_dc_feature_mask & DC_ENABLE_SUBVP_DRR)
+		init_data.flags.disable_subvp_drr = false;
+
 	init_data.flags.seamless_boot_edp_requested = false;
 
 	if (check_seamless_boot_capability(adev)) {
@@ -1652,6 +1664,23 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	/* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */
 	adev->dm.dc->debug.ignore_cable_id = true;
 
+	/* TODO: There is a new drm mst change where the freedom of
+	 * vc_next_start_slot update is revoked/moved into drm, instead of in
+	 * driver. This forces us to make sure to get vc_next_start_slot updated
+	 * in drm function each time without considering if mst_state is active
+	 * or not. Otherwise, next time hotplug will give wrong start_slot
+	 * number. We are implementing a temporary solution to even notify drm
+	 * mst deallocation when link is no longer of MST type when uncommitting
+	 * the stream so we will have more time to work on a proper solution.
+	 * Ideally when dm_helpers_dp_mst_stop_top_mgr message is triggered, we
+	 * should notify drm to do a complete "reset" of its states and stop
+	 * calling further drm mst functions when link is no longer of an MST
+	 * type. This could happen when we unplug an MST hubs/displays. When
+	 * uncommit stream comes later after unplug, we should just reset
+	 * hardware states only.
+	 */
+	adev->dm.dc->debug.temp_mst_deallocation_sequence = true;
+
 	if (adev->dm.dc->caps.dp_hdmi21_pcon_support)
 		DRM_INFO("DP-HDMI FRL PCON supported\n");
 
@@ -2777,7 +2806,7 @@ static int dm_resume(void *handle)
 			continue;
 
 		mutex_lock(&aconnector->hpd_lock);
-		if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
+		if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type))
 			DRM_ERROR("KMS: Failed to detect connector\n");
 
 		if (aconnector->base.force && new_connection_type == dc_connection_none) {
@@ -3118,7 +3147,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
 
 	aconnector->timing_changed = false;
 
-	if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
+	if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type))
 		DRM_ERROR("KMS: Failed to detect connector\n");
 
 	if (aconnector->base.force && new_connection_type == dc_connection_none) {
@@ -3321,7 +3350,7 @@ static void handle_hpd_rx_irq(void *param)
 out:
 	if (result && !is_mst_root_connector) {
 		/* Downstream Port status changed. */
-		if (!dc_link_detect_sink(dc_link, &new_connection_type))
+		if (!dc_link_detect_connection_type(dc_link, &new_connection_type))
 			DRM_ERROR("KMS: Failed to detect connector\n");
 
 		if (aconnector->base.force && new_connection_type == dc_connection_none) {
@@ -4230,6 +4259,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 	enum dc_connection_type new_connection_type = dc_connection_none;
 	const struct dc_plane_cap *plane;
 	bool psr_feature_enabled = false;
+	int max_overlay = dm->dc->caps.max_slave_planes;
 
 	dm->display_indexes_num = dm->dc->caps.max_streams;
 	/* Update the actual used number of crtc */
@@ -4284,14 +4314,14 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 		if (!plane->pixel_format_support.argb8888)
 			continue;
 
+		if (max_overlay-- == 0)
+			break;
+
 		if (initialize_plane(dm, NULL, primary_planes + i,
 				     DRM_PLANE_TYPE_OVERLAY, plane)) {
 			DRM_ERROR("KMS: Failed to initialize overlay plane\n");
 			goto fail;
 		}
-
-		/* Only create one overlay plane. */
-		break;
 	}
 
 	for (i = 0; i < dm->dc->caps.max_streams; i++)
@@ -4370,7 +4400,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 
 		link = dc_get_link_at_index(dm->dc, i);
 
-		if (!dc_link_detect_sink(link, &new_connection_type))
+		if (!dc_link_detect_connection_type(link, &new_connection_type))
 			DRM_ERROR("KMS: Failed to detect connector\n");
 
 		if (aconnector->base.force && new_connection_type == dc_connection_none) {
@@ -5020,6 +5050,7 @@ out:
  * @new_plane_state: New state of @plane
  * @crtc_state: New state of CRTC connected to the @plane
  * @flip_addrs: DC flip tracking struct, which also tracts dirty rects
+ * @dirty_regions_changed: dirty regions changed
  *
  * For PSR SU, DC informs the DMUB uController of dirty rectangle regions
  * (referred to as "damage clips" in DRM nomenclature) that require updating on
@@ -5036,7 +5067,8 @@ static void fill_dc_dirty_rects(struct drm_plane *plane,
 				struct drm_plane_state *old_plane_state,
 				struct drm_plane_state *new_plane_state,
 				struct drm_crtc_state *crtc_state,
-				struct dc_flip_addrs *flip_addrs)
+				struct dc_flip_addrs *flip_addrs,
+				bool *dirty_regions_changed)
 {
 	struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state);
 	struct rect *dirty_rects = flip_addrs->dirty_rects;
@@ -5045,6 +5077,7 @@ static void fill_dc_dirty_rects(struct drm_plane *plane,
 	bool bb_changed;
 	bool fb_changed;
 	u32 i = 0;
+	*dirty_regions_changed = false;
 
 	/*
 	 * Cursor plane has it's own dirty rect update interface. See
@@ -5089,6 +5122,8 @@ static void fill_dc_dirty_rects(struct drm_plane *plane,
 		new_plane_state->plane->base.id,
 		bb_changed, fb_changed, num_clips);
 
+	*dirty_regions_changed = bb_changed;
+
 	if (bb_changed) {
 		fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i],
 				   new_plane_state->crtc_x,
@@ -6175,15 +6210,12 @@ static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
 	if (aconnector->mst_mgr.dev)
 		drm_dp_mst_topology_mgr_destroy(&aconnector->mst_mgr);
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
-	defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	for (i = 0; i < dm->num_of_edps; i++) {
 		if ((link == dm->backlight_link[i]) && dm->backlight_dev[i]) {
 			backlight_device_unregister(dm->backlight_dev[i]);
 			dm->backlight_dev[i] = NULL;
 		}
 	}
-#endif
 
 	if (aconnector->dc_em_sink)
 		dc_sink_release(aconnector->dc_em_sink);
@@ -7842,7 +7874,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 				    bool wait_for_vblank)
 {
 	u32 i;
-	u64 timestamp_ns;
+	u64 timestamp_ns = ktime_get_ns();
 	struct drm_plane *plane;
 	struct drm_plane_state *old_plane_state, *new_plane_state;
 	struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc);
@@ -7857,6 +7889,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 	bool vrr_active = amdgpu_dm_vrr_active(acrtc_state);
 	bool cursor_update = false;
 	bool pflip_present = false;
+	bool dirty_rects_changed = false;
 	struct {
 		struct dc_surface_update surface_updates[MAX_SURFACES];
 		struct dc_plane_info plane_infos[MAX_SURFACES];
@@ -7944,10 +7977,32 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 		bundle->surface_updates[planes_count].plane_info =
 			&bundle->plane_infos[planes_count];
 
-		if (acrtc_state->stream->link->psr_settings.psr_feature_enabled)
+		if (acrtc_state->stream->link->psr_settings.psr_feature_enabled) {
 			fill_dc_dirty_rects(plane, old_plane_state,
 					    new_plane_state, new_crtc_state,
-					    &bundle->flip_addrs[planes_count]);
+					    &bundle->flip_addrs[planes_count],
+					    &dirty_rects_changed);
+
+			/*
+			 * If the dirty regions changed, PSR-SU need to be disabled temporarily
+			 * and enabled it again after dirty regions are stable to avoid video glitch.
+			 * PSR-SU will be enabled in vblank_control_worker() if user pause the video
+			 * during the PSR-SU was disabled.
+			 */
+			if (acrtc_state->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 &&
+			    acrtc_attach->dm_irq_params.allow_psr_entry &&
+#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
+			    !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
+#endif
+			    dirty_rects_changed) {
+				mutex_lock(&dm->dc_lock);
+				acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns =
+				timestamp_ns;
+				if (acrtc_state->stream->link->psr_settings.psr_allow_active)
+					amdgpu_dm_psr_disable(acrtc_state->stream);
+				mutex_unlock(&dm->dc_lock);
+			}
+		}
 
 		/*
 		 * Only allow immediate flips for fast updates that don't
@@ -8166,7 +8221,10 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
 			    !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
 #endif
-			    !acrtc_state->stream->link->psr_settings.psr_allow_active)
+			    !acrtc_state->stream->link->psr_settings.psr_allow_active &&
+			    (timestamp_ns -
+			    acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns) >
+			    500000000)
 				amdgpu_dm_psr_enable(acrtc_state->stream);
 		} else {
 			acrtc_attach->dm_irq_params.allow_psr_entry = false;
@@ -9458,7 +9516,8 @@ static int dm_update_plane_state(struct dc *dc,
 				 struct drm_plane_state *old_plane_state,
 				 struct drm_plane_state *new_plane_state,
 				 bool enable,
-				 bool *lock_and_validation_needed)
+				 bool *lock_and_validation_needed,
+				 bool *is_top_most_overlay)
 {
 
 	struct dm_atomic_state *dm_state = NULL;
@@ -9566,6 +9625,14 @@ static int dm_update_plane_state(struct dc *dc,
 		if (!dc_new_plane_state)
 			return -ENOMEM;
 
+		/* Block top most plane from being a video plane */
+		if (plane->type == DRM_PLANE_TYPE_OVERLAY) {
+			if (is_video_format(new_plane_state->fb->format->format) && *is_top_most_overlay)
+				return -EINVAL;
+			else
+				*is_top_most_overlay = false;
+		}
+
 		DRM_DEBUG_ATOMIC("Enabling DRM plane: %d on DRM crtc %d\n",
 				 plane->base.id, new_plane_crtc->base.id);
 
@@ -9762,6 +9829,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 	enum dc_status status;
 	int ret, i;
 	bool lock_and_validation_needed = false;
+	bool is_top_most_overlay = true;
 	struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 	struct drm_dp_mst_topology_mgr *mgr;
@@ -9888,7 +9956,11 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 	 * `dcn10_can_pipe_disable_cursor`). By now, all modified planes are in
 	 * atomic state, so call drm helper to normalize zpos.
 	 */
-	drm_atomic_normalize_zpos(dev, state);
+	ret = drm_atomic_normalize_zpos(dev, state);
+	if (ret) {
+		drm_dbg(dev, "drm_atomic_normalize_zpos() failed\n");
+		goto fail;
+	}
 
 	/* Remove exiting planes if they are modified */
 	for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
@@ -9896,7 +9968,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 					    old_plane_state,
 					    new_plane_state,
 					    false,
-					    &lock_and_validation_needed);
+					    &lock_and_validation_needed,
+					    &is_top_most_overlay);
 		if (ret) {
 			DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n");
 			goto fail;
@@ -9935,7 +10008,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 					    old_plane_state,
 					    new_plane_state,
 					    true,
-					    &lock_and_validation_needed);
+					    &lock_and_validation_needed,
+					    &is_top_most_overlay);
 		if (ret) {
 			DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n");
 			goto fail;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index 1e39d0939700..dc4f37240beb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -77,6 +77,9 @@ int dm_set_vupdate_irq(struct drm_crtc *crtc, bool enable)
 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
 	int rc;
 
+	if (acrtc->otg_inst == -1)
+		return 0;
+
 	irq_source = IRQ_TYPE_VUPDATE + acrtc->otg_inst;
 
 	rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
@@ -151,6 +154,9 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 	struct vblank_control_work *work;
 	int rc = 0;
 
+	if (acrtc->otg_inst == -1)
+		goto skip;
+
 	if (enable) {
 		/* vblank irq on -> Only need vupdate irq in vrr mode */
 		if (amdgpu_dm_vrr_active(acrtc_state))
@@ -168,6 +174,7 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 	if (!dc_interrupt_set(adev->dm.dc, irq_source, enable))
 		return -EBUSY;
 
+skip:
 	if (amdgpu_in_reset(adev))
 		return 0;
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index e783082a4eef..09a3efa517da 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -36,6 +36,7 @@
 #include "dsc.h"
 #include "link_hwss.h"
 #include "dc/dc_dmub_srv.h"
+#include "link/protocols/link_dp_capability.h"
 
 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
 #include "amdgpu_dm_psr.h"
@@ -418,67 +419,38 @@ static ssize_t dp_phy_settings_read(struct file *f, char __user *buf,
 	return result;
 }
 
-static int dp_lttpr_status_show(struct seq_file *m, void *d)
+static int dp_lttpr_status_show(struct seq_file *m, void *unused)
 {
-	char *data;
-	struct amdgpu_dm_connector *connector = file_inode(m->file)->i_private;
-	struct dc_link *link = connector->dc_link;
-	uint32_t read_size = 1;
-	uint8_t repeater_count = 0;
+	struct drm_connector *connector = m->private;
+	struct amdgpu_dm_connector *aconnector =
+		to_amdgpu_dm_connector(connector);
+	struct dc_lttpr_caps caps = aconnector->dc_link->dpcd_caps.lttpr_caps;
 
-	data = kzalloc(read_size, GFP_KERNEL);
-	if (!data)
-		return 0;
+	if (connector->status != connector_status_connected)
+		return -ENODEV;
 
-	dm_helpers_dp_read_dpcd(link->ctx, link, 0xF0002, data, read_size);
+	seq_printf(m, "phy repeater count: %u (raw: 0x%x)\n",
+		   dp_parse_lttpr_repeater_count(caps.phy_repeater_cnt),
+		   caps.phy_repeater_cnt);
 
-	switch ((uint8_t)*data) {
-	case 0x80:
-		repeater_count = 1;
-		break;
-	case 0x40:
-		repeater_count = 2;
-		break;
-	case 0x20:
-		repeater_count = 3;
-		break;
-	case 0x10:
-		repeater_count = 4;
-		break;
-	case 0x8:
-		repeater_count = 5;
-		break;
-	case 0x4:
-		repeater_count = 6;
-		break;
-	case 0x2:
-		repeater_count = 7;
+	seq_puts(m, "phy repeater mode: ");
+
+	switch (caps.mode) {
+	case DP_PHY_REPEATER_MODE_TRANSPARENT:
+		seq_puts(m, "transparent");
 		break;
-	case 0x1:
-		repeater_count = 8;
+	case DP_PHY_REPEATER_MODE_NON_TRANSPARENT:
+		seq_puts(m, "non-transparent");
 		break;
-	case 0x0:
-		repeater_count = 0;
+	case 0x00:
+		seq_puts(m, "non lttpr");
 		break;
 	default:
-		repeater_count = (uint8_t)*data;
+		seq_printf(m, "read error (raw: 0x%x)", caps.mode);
 		break;
 	}
 
-	seq_printf(m, "phy repeater count: %d\n", repeater_count);
-
-	dm_helpers_dp_read_dpcd(link->ctx, link, 0xF0003, data, read_size);
-
-	if ((uint8_t)*data == 0x55)
-		seq_printf(m, "phy repeater mode: transparent\n");
-	else if ((uint8_t)*data == 0xAA)
-		seq_printf(m, "phy repeater mode: non-transparent\n");
-	else if ((uint8_t)*data == 0x00)
-		seq_printf(m, "phy repeater mode: non lttpr\n");
-	else
-		seq_printf(m, "phy repeater mode: read error\n");
-
-	kfree(data);
+	seq_puts(m, "\n");
 	return 0;
 }
 
@@ -1285,7 +1257,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
 
 	if (param[0] == 1) {
 
-		if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type) &&
+		if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type) &&
 			new_connection_type != dc_connection_none)
 			goto unlock;
 
@@ -1322,7 +1294,7 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf,
 
 		/* If the aconnector is the root node in mst topology */
 		if (aconnector->mst_mgr.mst_state == true)
-			reset_cur_dp_mst_topology(link);
+			dc_link_reset_cur_dp_mst_topology(link);
 
 		drm_modeset_lock_all(dev);
 		dm_restore_drm_connector_state(dev, connector);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 70081c58630f..6fdc2027c2b4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -1104,7 +1104,7 @@ bool dm_helpers_dp_handle_test_pattern_request(
 		pipe_ctx->stream->timing.display_color_depth = requestColorDepth;
 		pipe_ctx->stream->timing.pixel_encoding = requestPixelEncoding;
 
-		dp_update_dsc_config(pipe_ctx);
+		dc_link_update_dsc_config(pipe_ctx);
 
 		aconnector->timing_changed = true;
 		/* store current timing */
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 33f53cae939d..e25e1b2bf194 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -50,7 +50,7 @@
 #include "dc/dcn20/dcn20_resource.h"
 bool is_timing_changed(struct dc_stream_state *cur_stream,
 		       struct dc_stream_state *new_stream);
-
+#define PEAK_FACTOR_X1000 1006
 
 static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 				  struct drm_dp_aux_msg *msg)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
index 3c50b3ff7954..28fb1f02591a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -67,7 +67,16 @@ static const uint32_t overlay_formats[] = {
 	DRM_FORMAT_RGBA8888,
 	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_ABGR8888,
-	DRM_FORMAT_RGB565
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_NV21,
+	DRM_FORMAT_NV12,
+	DRM_FORMAT_P010
+};
+
+static const uint32_t video_formats[] = {
+	DRM_FORMAT_NV21,
+	DRM_FORMAT_NV12,
+	DRM_FORMAT_P010
 };
 
 static const u32 cursor_formats[] = {
@@ -1616,3 +1625,14 @@ int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
 	return 0;
 }
 
+bool is_video_format(uint32_t format)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(video_formats); i++)
+		if (format == video_formats[i])
+			return true;
+
+	return false;
+}
+
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h
index 286981a2dd40..a4bee8528a51 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h
@@ -62,4 +62,5 @@ void fill_blending_from_plane_state(const struct drm_plane_state *plane_state,
 				    bool *per_pixel_alpha, bool *pre_multiplied_alpha,
 				    bool *global_alpha, int *global_alpha_value);
 
+bool is_video_format(uint32_t format);
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/Makefile b/drivers/gpu/drm/amd/display/dc/Makefile
index fec32e20f854..94f156d57220 100644
--- a/drivers/gpu/drm/amd/display/dc/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/Makefile
@@ -64,8 +64,8 @@ AMD_DC = $(addsuffix /Makefile, $(addprefix $(FULL_AMD_DISPLAY_PATH)/dc/,$(DC_LI
 
 include $(AMD_DC)
 
-DISPLAY_CORE = dc.o dc_stat.o dc_link.o dc_resource.o dc_hw_sequencer.o dc_sink.o \
-dc_surface.o dc_debug.o dc_stream.o dc_link_enc_cfg.o
+DISPLAY_CORE = dc.o dc_stat.o dc_resource.o dc_hw_sequencer.o dc_sink.o \
+dc_surface.o dc_debug.o dc_stream.o dc_link_enc_cfg.o dc_link_exports.o
 
 DISPLAY_CORE += dc_vm_helper.o
 
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
index f5276bacfa4e..89df7244b272 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
@@ -572,11 +572,10 @@ static void dcn314_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *cl
 {
 	struct clk_bw_params *bw_params = clk_mgr->base.bw_params;
 	struct clk_limit_table_entry def_max = bw_params->clk_table.entries[bw_params->clk_table.num_entries - 1];
-	uint32_t max_pstate = 0, max_fclk = 0, max_dispclk = 0, max_dppclk = 0;
-	uint32_t min_pstate = 0, min_fclk = clock_table->DfPstateTable[0].FClk;
+	uint32_t max_pstate = 0,  max_fclk = 0,  min_pstate = 0, max_dispclk = 0, max_dppclk = 0;
 	int i;
 
-	/* Find highest and lowest valid fclk pstate */
+	/* Find highest valid fclk pstate */
 	for (i = 0; i < clock_table->NumDfPstatesEnabled; i++) {
 		if (is_valid_clock_value(clock_table->DfPstateTable[i].FClk) &&
 		    clock_table->DfPstateTable[i].FClk > max_fclk) {
@@ -585,14 +584,6 @@ static void dcn314_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *cl
 		}
 	}
 
-	for (i = 0; i < clock_table->NumDfPstatesEnabled; i++) {
-		if (is_valid_clock_value(clock_table->DfPstateTable[i].FClk) &&
-		    clock_table->DfPstateTable[i].FClk < min_fclk) {
-			min_fclk = clock_table->DfPstateTable[i].FClk;
-			min_pstate = i;
-		}
-	}
-
 	/* We expect the table to contain at least one valid fclk entry. */
 	ASSERT(is_valid_clock_value(max_fclk));
 
@@ -608,17 +599,15 @@ static void dcn314_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *cl
 
 	/* Base the clock table on dcfclk, need at least one entry regardless of pmfw table */
 	for (i = 0; i < clock_table->NumDcfClkLevelsEnabled; i++) {
-		uint32_t max_level_fclk = clock_table->DfPstateTable[0].FClk;
-		uint32_t max_level_pstate = 0;
+		uint32_t min_fclk = clock_table->DfPstateTable[0].FClk;
 		int j;
 
-		/* Look for the maximum supported FCLK for the current voltage. */
 		for (j = 1; j < clock_table->NumDfPstatesEnabled; j++) {
 			if (is_valid_clock_value(clock_table->DfPstateTable[j].FClk) &&
-			    clock_table->DfPstateTable[j].FClk > max_level_fclk &&
+			    clock_table->DfPstateTable[j].FClk < min_fclk &&
 			    clock_table->DfPstateTable[j].Voltage <= clock_table->SocVoltage[i]) {
-				max_level_fclk = clock_table->DfPstateTable[j].FClk;
-				max_level_pstate = j;
+				min_fclk = clock_table->DfPstateTable[j].FClk;
+				min_pstate = j;
 			}
 		}
 
@@ -632,15 +621,15 @@ static void dcn314_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *cl
 		bw_params->clk_table.entries[i].dtbclk_mhz = bw_params->clk_table.entries[j].dtbclk_mhz;
 
 		/* Now update clocks we do read */
-		bw_params->clk_table.entries[i].fclk_mhz = max_level_fclk;
-		bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[max_level_pstate].MemClk;
-		bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[max_level_pstate].Voltage;
+		bw_params->clk_table.entries[i].fclk_mhz = min_fclk;
+		bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[min_pstate].MemClk;
+		bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[min_pstate].Voltage;
 		bw_params->clk_table.entries[i].dcfclk_mhz = clock_table->DcfClocks[i];
 		bw_params->clk_table.entries[i].socclk_mhz = clock_table->SocClocks[i];
 		bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk;
 		bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk;
 		bw_params->clk_table.entries[i].wck_ratio = convert_wck_ratio(
-			clock_table->DfPstateTable[max_level_pstate].WckRatio);
+			clock_table->DfPstateTable[min_pstate].WckRatio);
 	}
 
 	/* Make sure to include at least one entry at highest pstate */
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
index 43d1f38b94ce..a737782b2840 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
@@ -87,6 +87,16 @@ static int dcn315_get_active_display_cnt_wa(
 	return display_count;
 }
 
+static bool should_disable_otg(struct pipe_ctx *pipe)
+{
+	bool ret = true;
+
+	if (pipe->stream->link->link_enc && pipe->stream->link->link_enc->funcs->is_dig_enabled &&
+			pipe->stream->link->link_enc->funcs->is_dig_enabled(pipe->stream->link->link_enc))
+		ret = false;
+	return ret;
+}
+
 static void dcn315_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool disable)
 {
 	struct dc *dc = clk_mgr_base->ctx->dc;
@@ -98,12 +108,16 @@ static void dcn315_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state
 		if (pipe->top_pipe || pipe->prev_odm_pipe)
 			continue;
 		if (pipe->stream && (pipe->stream->dpms_off || pipe->plane_state == NULL ||
-				     dc_is_virtual_signal(pipe->stream->signal))) {
-			if (disable) {
-				pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
-				reset_sync_context_for_pipe(dc, context, i);
-			} else
-				pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
+					dc_is_virtual_signal(pipe->stream->signal))) {
+
+			/* This w/a should not trigger when we have a dig active */
+			if (should_disable_otg(pipe)) {
+				if (disable) {
+					pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
+					reset_sync_context_for_pipe(dc, context, i);
+				} else
+					pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
+			}
 		}
 	}
 }
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index f11bc8d9d0c4..1c218c526650 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1199,7 +1199,7 @@ static void disable_vbios_mode_if_required(
 						pipe->stream_res.pix_clk_params.requested_pix_clk_100hz;
 
 					if (pix_clk_100hz != requested_pix_clk_100hz) {
-						core_link_disable_stream(pipe);
+						link_set_dpms_off(pipe);
 						pipe->stream->dpms_off = false;
 					}
 				}
@@ -1307,7 +1307,7 @@ static void detect_edp_presence(struct dc *dc)
 		if (dc->config.edp_not_connected) {
 			edp_link->edp_sink_present = false;
 		} else {
-			dc_link_detect_sink(edp_link, &type);
+			dc_link_detect_connection_type(edp_link, &type);
 			edp_link->edp_sink_present = (type != dc_connection_none);
 		}
 	}
@@ -3173,7 +3173,7 @@ static void commit_planes_do_stream_update(struct dc *dc,
 				dc->hwss.update_info_frame(pipe_ctx);
 
 				if (dc_is_dp_signal(pipe_ctx->stream->signal))
-					dp_source_sequence_trace(pipe_ctx->stream->link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
+					link_dp_source_sequence_trace(pipe_ctx->stream->link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
 			}
 
 			if (stream_update->hdr_static_metadata &&
@@ -3209,14 +3209,14 @@ static void commit_planes_do_stream_update(struct dc *dc,
 				continue;
 
 			if (stream_update->dsc_config)
-				dp_update_dsc_config(pipe_ctx);
+				link_update_dsc_config(pipe_ctx);
 
 			if (stream_update->mst_bw_update) {
 				if (stream_update->mst_bw_update->is_increase)
-					dc_link_increase_mst_payload(pipe_ctx, stream_update->mst_bw_update->mst_stream_bw);
-				else
-					dc_link_reduce_mst_payload(pipe_ctx, stream_update->mst_bw_update->mst_stream_bw);
-			}
+					link_increase_mst_payload(pipe_ctx, stream_update->mst_bw_update->mst_stream_bw);
+ 				else
+					link_reduce_mst_payload(pipe_ctx, stream_update->mst_bw_update->mst_stream_bw);
+ 			}
 
 			if (stream_update->pending_test_pattern) {
 				dc_link_dp_set_test_pattern(stream->link,
@@ -3229,7 +3229,7 @@ static void commit_planes_do_stream_update(struct dc *dc,
 
 			if (stream_update->dpms_off) {
 				if (*stream_update->dpms_off) {
-					core_link_disable_stream(pipe_ctx);
+					link_set_dpms_off(pipe_ctx);
 					/* for dpms, keep acquired resources*/
 					if (pipe_ctx->stream_res.audio && !dc->debug.az_endpoint_mute_only)
 						pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
@@ -3239,7 +3239,7 @@ static void commit_planes_do_stream_update(struct dc *dc,
 				} else {
 					if (get_seamless_boot_stream_count(context) == 0)
 						dc->hwss.prepare_bandwidth(dc, dc->current_state);
-					core_link_enable_stream(dc->current_state, pipe_ctx);
+					link_set_dpms_on(dc->current_state, pipe_ctx);
 				}
 			}
 
@@ -3350,6 +3350,21 @@ static void commit_planes_for_stream(struct dc *dc,
 
 	dc_z10_restore(dc);
 
+	if (update_type == UPDATE_TYPE_FULL) {
+		/* wait for all double-buffer activity to clear on all pipes */
+		int pipe_idx;
+
+		for (pipe_idx = 0; pipe_idx < dc->res_pool->pipe_count; pipe_idx++) {
+			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[pipe_idx];
+
+			if (!pipe_ctx->stream)
+				continue;
+
+			if (pipe_ctx->stream_res.tg->funcs->wait_drr_doublebuffer_pending_clear)
+				pipe_ctx->stream_res.tg->funcs->wait_drr_doublebuffer_pending_clear(pipe_ctx->stream_res.tg);
+		}
+	}
+
 	if (get_seamless_boot_stream_count(context) > 0 && surface_count > 0) {
 		/* Optimize seamless boot flag keeps clocks and watermarks high until
 		 * first flip. After first flip, optimization is required to lower
@@ -4290,7 +4305,7 @@ void dc_resume(struct dc *dc)
 	uint32_t i;
 
 	for (i = 0; i < dc->link_count; i++)
-		core_link_resume(dc->links[i]);
+		link_resume(dc->links[i]);
 }
 
 bool dc_is_dmcu_initialized(struct dc *dc)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 1a2ab934b4bd..c26e7258a91c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -23,4872 +23,5 @@
  *
  */
 
-#include <linux/slab.h>
-
-#include "dm_services.h"
-#include "atomfirmware.h"
-#include "dm_helpers.h"
-#include "dc.h"
-#include "grph_object_id.h"
-#include "gpio_service_interface.h"
-#include "core_status.h"
-#include "link/protocols/link_dp_dpia.h"
-#include "link/protocols/link_ddc.h"
-#include "link_hwss.h"
-#include "link.h"
-#include "opp.h"
-
-#include "link_encoder.h"
-#include "hw_sequencer.h"
-#include "resource.h"
-#include "abm.h"
-#include "fixed31_32.h"
-#include "dpcd_defs.h"
-#include "dmcu.h"
-#include "dsc.h"
-#include "hw/clk_mgr.h"
-#include "dce/dmub_psr.h"
-#include "dmub/dmub_srv.h"
-#include "inc/hw/panel_cntl.h"
-#include "inc/link_enc_cfg.h"
-#include "link/protocols/link_dpcd.h"
-#include "link/accessories/link_dp_trace.h"
-#include "link/protocols/link_hpd.h"
-#include "link/protocols/link_dp_training.h"
-#include "link/protocols/link_dp_phy.h"
-#include "link/protocols/link_dp_capability.h"
-#include "link/protocols/link_edp_panel_control.h"
-
-#include "dc/dcn30/dcn30_vpg.h"
-
-#define DC_LOGGER_INIT(logger)
-
-#define LINK_INFO(...) \
-	DC_LOG_HW_HOTPLUG(  \
-		__VA_ARGS__)
-
-#define RETIMER_REDRIVER_INFO(...) \
-	DC_LOG_RETIMER_REDRIVER(  \
-		__VA_ARGS__)
-
-/*******************************************************************************
- * Private functions
- ******************************************************************************/
-static void dc_link_destruct(struct dc_link *link)
-{
-	int i;
-
-	if (link->hpd_gpio) {
-		dal_gpio_destroy_irq(&link->hpd_gpio);
-		link->hpd_gpio = NULL;
-	}
-
-	if (link->ddc)
-		link_destroy_ddc_service(&link->ddc);
-
-	if (link->panel_cntl)
-		link->panel_cntl->funcs->destroy(&link->panel_cntl);
-
-	if (link->link_enc) {
-		/* Update link encoder resource tracking variables. These are used for
-		 * the dynamic assignment of link encoders to streams. Virtual links
-		 * are not assigned encoder resources on creation.
-		 */
-		if (link->link_id.id != CONNECTOR_ID_VIRTUAL) {
-			link->dc->res_pool->link_encoders[link->eng_id - ENGINE_ID_DIGA] = NULL;
-			link->dc->res_pool->dig_link_enc_count--;
-		}
-		link->link_enc->funcs->destroy(&link->link_enc);
-	}
-
-	if (link->local_sink)
-		dc_sink_release(link->local_sink);
-
-	for (i = 0; i < link->sink_count; ++i)
-		dc_sink_release(link->remote_sinks[i]);
-}
-
-/**
- * dc_link_detect_sink() - Determine if there is a sink connected
- *
- * @link: pointer to the dc link
- * @type: Returned connection type
- * Does not detect downstream devices, such as MST sinks
- * or display connected through active dongles
- */
-bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type)
-{
-	uint32_t is_hpd_high = 0;
-
-	if (link->connector_signal == SIGNAL_TYPE_LVDS) {
-		*type = dc_connection_single;
-		return true;
-	}
-
-	if (link->connector_signal == SIGNAL_TYPE_EDP) {
-		/*in case it is not on*/
-		if (!link->dc->config.edp_no_power_sequencing)
-			link->dc->hwss.edp_power_control(link, true);
-		link->dc->hwss.edp_wait_for_hpd_ready(link, true);
-	}
-
-	/* Link may not have physical HPD pin. */
-	if (link->ep_type != DISPLAY_ENDPOINT_PHY) {
-		if (link->is_hpd_pending || !dc_link_dpia_query_hpd_status(link))
-			*type = dc_connection_none;
-		else
-			*type = dc_connection_single;
-
-		return true;
-	}
-
-	if (!query_hpd_status(link, &is_hpd_high))
-		goto hpd_gpio_failure;
-
-	if (is_hpd_high) {
-		*type = dc_connection_single;
-		/* TODO: need to do the actual detection */
-	} else {
-		*type = dc_connection_none;
-	}
-
-	return true;
-
-hpd_gpio_failure:
-	return false;
-}
-
-static enum ddc_transaction_type get_ddc_transaction_type(enum signal_type sink_signal)
-{
-	enum ddc_transaction_type transaction_type = DDC_TRANSACTION_TYPE_NONE;
-
-	switch (sink_signal) {
-	case SIGNAL_TYPE_DVI_SINGLE_LINK:
-	case SIGNAL_TYPE_DVI_DUAL_LINK:
-	case SIGNAL_TYPE_HDMI_TYPE_A:
-	case SIGNAL_TYPE_LVDS:
-	case SIGNAL_TYPE_RGB:
-		transaction_type = DDC_TRANSACTION_TYPE_I2C;
-		break;
-
-	case SIGNAL_TYPE_DISPLAY_PORT:
-	case SIGNAL_TYPE_EDP:
-		transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
-		break;
-
-	case SIGNAL_TYPE_DISPLAY_PORT_MST:
-		/* MST does not use I2COverAux, but there is the
-		 * SPECIAL use case for "immediate dwnstrm device
-		 * access" (EPR#370830).
-		 */
-		transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
-		break;
-
-	default:
-		break;
-	}
-
-	return transaction_type;
-}
-
-static enum signal_type get_basic_signal_type(struct graphics_object_id encoder,
-					      struct graphics_object_id downstream)
-{
-	if (downstream.type == OBJECT_TYPE_CONNECTOR) {
-		switch (downstream.id) {
-		case CONNECTOR_ID_SINGLE_LINK_DVII:
-			switch (encoder.id) {
-			case ENCODER_ID_INTERNAL_DAC1:
-			case ENCODER_ID_INTERNAL_KLDSCP_DAC1:
-			case ENCODER_ID_INTERNAL_DAC2:
-			case ENCODER_ID_INTERNAL_KLDSCP_DAC2:
-				return SIGNAL_TYPE_RGB;
-			default:
-				return SIGNAL_TYPE_DVI_SINGLE_LINK;
-			}
-		break;
-		case CONNECTOR_ID_DUAL_LINK_DVII:
-		{
-			switch (encoder.id) {
-			case ENCODER_ID_INTERNAL_DAC1:
-			case ENCODER_ID_INTERNAL_KLDSCP_DAC1:
-			case ENCODER_ID_INTERNAL_DAC2:
-			case ENCODER_ID_INTERNAL_KLDSCP_DAC2:
-				return SIGNAL_TYPE_RGB;
-			default:
-				return SIGNAL_TYPE_DVI_DUAL_LINK;
-			}
-		}
-		break;
-		case CONNECTOR_ID_SINGLE_LINK_DVID:
-			return SIGNAL_TYPE_DVI_SINGLE_LINK;
-		case CONNECTOR_ID_DUAL_LINK_DVID:
-			return SIGNAL_TYPE_DVI_DUAL_LINK;
-		case CONNECTOR_ID_VGA:
-			return SIGNAL_TYPE_RGB;
-		case CONNECTOR_ID_HDMI_TYPE_A:
-			return SIGNAL_TYPE_HDMI_TYPE_A;
-		case CONNECTOR_ID_LVDS:
-			return SIGNAL_TYPE_LVDS;
-		case CONNECTOR_ID_DISPLAY_PORT:
-		case CONNECTOR_ID_USBC:
-			return SIGNAL_TYPE_DISPLAY_PORT;
-		case CONNECTOR_ID_EDP:
-			return SIGNAL_TYPE_EDP;
-		default:
-			return SIGNAL_TYPE_NONE;
-		}
-	} else if (downstream.type == OBJECT_TYPE_ENCODER) {
-		switch (downstream.id) {
-		case ENCODER_ID_EXTERNAL_NUTMEG:
-		case ENCODER_ID_EXTERNAL_TRAVIS:
-			return SIGNAL_TYPE_DISPLAY_PORT;
-		default:
-			return SIGNAL_TYPE_NONE;
-		}
-	}
-
-	return SIGNAL_TYPE_NONE;
-}
-
-/*
- * dc_link_is_dp_sink_present() - Check if there is a native DP
- * or passive DP-HDMI dongle connected
- */
-bool dc_link_is_dp_sink_present(struct dc_link *link)
-{
-	enum gpio_result gpio_result;
-	uint32_t clock_pin = 0;
-	uint8_t retry = 0;
-	struct ddc *ddc;
-
-	enum connector_id connector_id =
-		dal_graphics_object_id_get_connector_id(link->link_id);
-
-	bool present =
-		((connector_id == CONNECTOR_ID_DISPLAY_PORT) ||
-		(connector_id == CONNECTOR_ID_EDP) ||
-		(connector_id == CONNECTOR_ID_USBC));
-
-	ddc = get_ddc_pin(link->ddc);
-
-	if (!ddc) {
-		BREAK_TO_DEBUGGER();
-		return present;
-	}
-
-	/* Open GPIO and set it to I2C mode */
-	/* Note: this GpioMode_Input will be converted
-	 * to GpioConfigType_I2cAuxDualMode in GPIO component,
-	 * which indicates we need additional delay
-	 */
-
-	if (dal_ddc_open(ddc, GPIO_MODE_INPUT,
-			 GPIO_DDC_CONFIG_TYPE_MODE_I2C) != GPIO_RESULT_OK) {
-		dal_ddc_close(ddc);
-
-		return present;
-	}
-
-	/*
-	 * Read GPIO: DP sink is present if both clock and data pins are zero
-	 *
-	 * [W/A] plug-unplug DP cable, sometimes customer board has
-	 * one short pulse on clk_pin(1V, < 1ms). DP will be config to HDMI/DVI
-	 * then monitor can't br light up. Add retry 3 times
-	 * But in real passive dongle, it need additional 3ms to detect
-	 */
-	do {
-		gpio_result = dal_gpio_get_value(ddc->pin_clock, &clock_pin);
-		ASSERT(gpio_result == GPIO_RESULT_OK);
-		if (clock_pin)
-			udelay(1000);
-		else
-			break;
-	} while (retry++ < 3);
-
-	present = (gpio_result == GPIO_RESULT_OK) && !clock_pin;
-
-	dal_ddc_close(ddc);
-
-	return present;
-}
-
-/*
- * @brief
- * Detect output sink type
- */
-static enum signal_type link_detect_sink(struct dc_link *link,
-					 enum dc_detect_reason reason)
-{
-	enum signal_type result;
-	struct graphics_object_id enc_id;
-
-	if (link->is_dig_mapping_flexible)
-		enc_id = (struct graphics_object_id){.id = ENCODER_ID_UNKNOWN};
-	else
-		enc_id = link->link_enc->id;
-	result = get_basic_signal_type(enc_id, link->link_id);
-
-	/* Use basic signal type for link without physical connector. */
-	if (link->ep_type != DISPLAY_ENDPOINT_PHY)
-		return result;
-
-	/* Internal digital encoder will detect only dongles
-	 * that require digital signal
-	 */
-
-	/* Detection mechanism is different
-	 * for different native connectors.
-	 * LVDS connector supports only LVDS signal;
-	 * PCIE is a bus slot, the actual connector needs to be detected first;
-	 * eDP connector supports only eDP signal;
-	 * HDMI should check straps for audio
-	 */
-
-	/* PCIE detects the actual connector on add-on board */
-	if (link->link_id.id == CONNECTOR_ID_PCIE) {
-		/* ZAZTODO implement PCIE add-on card detection */
-	}
-
-	switch (link->link_id.id) {
-	case CONNECTOR_ID_HDMI_TYPE_A: {
-		/* check audio support:
-		 * if native HDMI is not supported, switch to DVI
-		 */
-		struct audio_support *aud_support =
-					&link->dc->res_pool->audio_support;
-
-		if (!aud_support->hdmi_audio_native)
-			if (link->link_id.id == CONNECTOR_ID_HDMI_TYPE_A)
-				result = SIGNAL_TYPE_DVI_SINGLE_LINK;
-	}
-	break;
-	case CONNECTOR_ID_DISPLAY_PORT:
-	case CONNECTOR_ID_USBC: {
-		/* DP HPD short pulse. Passive DP dongle will not
-		 * have short pulse
-		 */
-		if (reason != DETECT_REASON_HPDRX) {
-			/* Check whether DP signal detected: if not -
-			 * we assume signal is DVI; it could be corrected
-			 * to HDMI after dongle detection
-			 */
-			if (!dm_helpers_is_dp_sink_present(link))
-				result = SIGNAL_TYPE_DVI_SINGLE_LINK;
-		}
-	}
-	break;
-	default:
-	break;
-	}
-
-	return result;
-}
-
-static enum signal_type decide_signal_from_strap_and_dongle_type(enum display_dongle_type dongle_type,
-								 struct audio_support *audio_support)
-{
-	enum signal_type signal = SIGNAL_TYPE_NONE;
-
-	switch (dongle_type) {
-	case DISPLAY_DONGLE_DP_HDMI_DONGLE:
-		if (audio_support->hdmi_audio_on_dongle)
-			signal = SIGNAL_TYPE_HDMI_TYPE_A;
-		else
-			signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-		break;
-	case DISPLAY_DONGLE_DP_DVI_DONGLE:
-		signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-		break;
-	case DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE:
-		if (audio_support->hdmi_audio_native)
-			signal =  SIGNAL_TYPE_HDMI_TYPE_A;
-		else
-			signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-		break;
-	default:
-		signal = SIGNAL_TYPE_NONE;
-		break;
-	}
-
-	return signal;
-}
-
-static bool i2c_read(
-	struct ddc_service *ddc,
-	uint32_t address,
-	uint8_t *buffer,
-	uint32_t len)
-{
-	uint8_t offs_data = 0;
-	struct i2c_payload payloads[2] = {
-		{
-		.write = true,
-		.address = address,
-		.length = 1,
-		.data = &offs_data },
-		{
-		.write = false,
-		.address = address,
-		.length = len,
-		.data = buffer } };
-
-	struct i2c_command command = {
-		.payloads = payloads,
-		.number_of_payloads = 2,
-		.engine = DDC_I2C_COMMAND_ENGINE,
-		.speed = ddc->ctx->dc->caps.i2c_speed_in_khz };
-
-	return dm_helpers_submit_i2c(
-			ddc->ctx,
-			ddc->link,
-			&command);
-}
-
-enum {
-	DP_SINK_CAP_SIZE =
-		DP_EDP_CONFIGURATION_CAP - DP_DPCD_REV + 1
-};
-
-static void query_dp_dual_mode_adaptor(
-	struct ddc_service *ddc,
-	struct display_sink_capability *sink_cap)
-{
-	uint8_t i;
-	bool is_valid_hdmi_signature;
-	enum display_dongle_type *dongle = &sink_cap->dongle_type;
-	uint8_t type2_dongle_buf[DP_ADAPTOR_TYPE2_SIZE];
-	bool is_type2_dongle = false;
-	int retry_count = 2;
-	struct dp_hdmi_dongle_signature_data *dongle_signature;
-
-	/* Assume we have no valid DP passive dongle connected */
-	*dongle = DISPLAY_DONGLE_NONE;
-	sink_cap->max_hdmi_pixel_clock = DP_ADAPTOR_HDMI_SAFE_MAX_TMDS_CLK;
-
-	/* Read DP-HDMI dongle I2c (no response interpreted as DP-DVI dongle)*/
-	if (!i2c_read(
-		ddc,
-		DP_HDMI_DONGLE_ADDRESS,
-		type2_dongle_buf,
-		sizeof(type2_dongle_buf))) {
-		/* Passive HDMI dongles can sometimes fail here without retrying*/
-		while (retry_count > 0) {
-			if (i2c_read(ddc,
-				DP_HDMI_DONGLE_ADDRESS,
-				type2_dongle_buf,
-				sizeof(type2_dongle_buf)))
-				break;
-			retry_count--;
-		}
-		if (retry_count == 0) {
-			*dongle = DISPLAY_DONGLE_DP_DVI_DONGLE;
-			sink_cap->max_hdmi_pixel_clock = DP_ADAPTOR_DVI_MAX_TMDS_CLK;
-
-			CONN_DATA_DETECT(ddc->link, type2_dongle_buf, sizeof(type2_dongle_buf),
-					"DP-DVI passive dongle %dMhz: ",
-					DP_ADAPTOR_DVI_MAX_TMDS_CLK / 1000);
-			return;
-		}
-	}
-
-	/* Check if Type 2 dongle.*/
-	if (type2_dongle_buf[DP_ADAPTOR_TYPE2_REG_ID] == DP_ADAPTOR_TYPE2_ID)
-		is_type2_dongle = true;
-
-	dongle_signature =
-		(struct dp_hdmi_dongle_signature_data *)type2_dongle_buf;
-
-	is_valid_hdmi_signature = true;
-
-	/* Check EOT */
-	if (dongle_signature->eot != DP_HDMI_DONGLE_SIGNATURE_EOT) {
-		is_valid_hdmi_signature = false;
-	}
-
-	/* Check signature */
-	for (i = 0; i < sizeof(dongle_signature->id); ++i) {
-		/* If its not the right signature,
-		 * skip mismatch in subversion byte.*/
-		if (dongle_signature->id[i] !=
-			dp_hdmi_dongle_signature_str[i] && i != 3) {
-
-			if (is_type2_dongle) {
-				is_valid_hdmi_signature = false;
-				break;
-			}
-
-		}
-	}
-
-	if (is_type2_dongle) {
-		uint32_t max_tmds_clk =
-			type2_dongle_buf[DP_ADAPTOR_TYPE2_REG_MAX_TMDS_CLK];
-
-		max_tmds_clk = max_tmds_clk * 2 + max_tmds_clk / 2;
-
-		if (0 == max_tmds_clk ||
-				max_tmds_clk < DP_ADAPTOR_TYPE2_MIN_TMDS_CLK ||
-				max_tmds_clk > DP_ADAPTOR_TYPE2_MAX_TMDS_CLK) {
-			*dongle = DISPLAY_DONGLE_DP_DVI_DONGLE;
-
-			CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
-					sizeof(type2_dongle_buf),
-					"DP-DVI passive dongle %dMhz: ",
-					DP_ADAPTOR_DVI_MAX_TMDS_CLK / 1000);
-		} else {
-			if (is_valid_hdmi_signature == true) {
-				*dongle = DISPLAY_DONGLE_DP_HDMI_DONGLE;
-
-				CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
-						sizeof(type2_dongle_buf),
-						"Type 2 DP-HDMI passive dongle %dMhz: ",
-						max_tmds_clk);
-			} else {
-				*dongle = DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE;
-
-				CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
-						sizeof(type2_dongle_buf),
-						"Type 2 DP-HDMI passive dongle (no signature) %dMhz: ",
-						max_tmds_clk);
-
-			}
-
-			/* Multiply by 1000 to convert to kHz. */
-			sink_cap->max_hdmi_pixel_clock =
-				max_tmds_clk * 1000;
-		}
-		sink_cap->is_dongle_type_one = false;
-
-	} else {
-		if (is_valid_hdmi_signature == true) {
-			*dongle = DISPLAY_DONGLE_DP_HDMI_DONGLE;
-
-			CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
-					sizeof(type2_dongle_buf),
-					"Type 1 DP-HDMI passive dongle %dMhz: ",
-					sink_cap->max_hdmi_pixel_clock / 1000);
-		} else {
-			*dongle = DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE;
-
-			CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
-					sizeof(type2_dongle_buf),
-					"Type 1 DP-HDMI passive dongle (no signature) %dMhz: ",
-					sink_cap->max_hdmi_pixel_clock / 1000);
-		}
-		sink_cap->is_dongle_type_one = true;
-	}
-
-	return;
-}
-
-static enum signal_type dp_passive_dongle_detection(struct ddc_service *ddc,
-						    struct display_sink_capability *sink_cap,
-						    struct audio_support *audio_support)
-{
-	query_dp_dual_mode_adaptor(ddc, sink_cap);
-
-	return decide_signal_from_strap_and_dongle_type(sink_cap->dongle_type,
-							audio_support);
-}
-
-static void link_disconnect_sink(struct dc_link *link)
-{
-	if (link->local_sink) {
-		dc_sink_release(link->local_sink);
-		link->local_sink = NULL;
-	}
-
-	link->dpcd_sink_count = 0;
-	//link->dpcd_caps.dpcd_rev.raw = 0;
-}
-
-static void link_disconnect_remap(struct dc_sink *prev_sink, struct dc_link *link)
-{
-	dc_sink_release(link->local_sink);
-	link->local_sink = prev_sink;
-}
-
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal)
-{
-	bool ret = false;
-
-	switch (signal)	{
-	case SIGNAL_TYPE_DISPLAY_PORT:
-	case SIGNAL_TYPE_DISPLAY_PORT_MST:
-		ret = link->hdcp_caps.bcaps.bits.HDCP_CAPABLE;
-		break;
-	case SIGNAL_TYPE_DVI_SINGLE_LINK:
-	case SIGNAL_TYPE_DVI_DUAL_LINK:
-	case SIGNAL_TYPE_HDMI_TYPE_A:
-	/* HDMI doesn't tell us its HDCP(1.4) capability, so assume to always be capable,
-	 * we can poll for bksv but some displays have an issue with this. Since its so rare
-	 * for a display to not be 1.4 capable, this assumtion is ok
-	 */
-		ret = true;
-		break;
-	default:
-		break;
-	}
-	return ret;
-}
-
-bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal)
-{
-	bool ret = false;
-
-	switch (signal)	{
-	case SIGNAL_TYPE_DISPLAY_PORT:
-	case SIGNAL_TYPE_DISPLAY_PORT_MST:
-		ret = (link->hdcp_caps.bcaps.bits.HDCP_CAPABLE &&
-				link->hdcp_caps.rx_caps.fields.byte0.hdcp_capable &&
-				(link->hdcp_caps.rx_caps.fields.version == 0x2)) ? 1 : 0;
-		break;
-	case SIGNAL_TYPE_DVI_SINGLE_LINK:
-	case SIGNAL_TYPE_DVI_DUAL_LINK:
-	case SIGNAL_TYPE_HDMI_TYPE_A:
-		ret = (link->hdcp_caps.rx_caps.fields.version == 0x4) ? 1:0;
-		break;
-	default:
-		break;
-	}
-
-	return ret;
-}
-
-static void query_hdcp_capability(enum signal_type signal, struct dc_link *link)
-{
-	struct hdcp_protection_message msg22;
-	struct hdcp_protection_message msg14;
-
-	memset(&msg22, 0, sizeof(struct hdcp_protection_message));
-	memset(&msg14, 0, sizeof(struct hdcp_protection_message));
-	memset(link->hdcp_caps.rx_caps.raw, 0,
-		sizeof(link->hdcp_caps.rx_caps.raw));
-
-	if ((link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
-			link->ddc->transaction_type ==
-			DDC_TRANSACTION_TYPE_I2C_OVER_AUX) ||
-			link->connector_signal == SIGNAL_TYPE_EDP) {
-		msg22.data = link->hdcp_caps.rx_caps.raw;
-		msg22.length = sizeof(link->hdcp_caps.rx_caps.raw);
-		msg22.msg_id = HDCP_MESSAGE_ID_RX_CAPS;
-	} else {
-		msg22.data = &link->hdcp_caps.rx_caps.fields.version;
-		msg22.length = sizeof(link->hdcp_caps.rx_caps.fields.version);
-		msg22.msg_id = HDCP_MESSAGE_ID_HDCP2VERSION;
-	}
-	msg22.version = HDCP_VERSION_22;
-	msg22.link = HDCP_LINK_PRIMARY;
-	msg22.max_retries = 5;
-	dc_process_hdcp_msg(signal, link, &msg22);
-
-	if (signal == SIGNAL_TYPE_DISPLAY_PORT || signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
-		msg14.data = &link->hdcp_caps.bcaps.raw;
-		msg14.length = sizeof(link->hdcp_caps.bcaps.raw);
-		msg14.msg_id = HDCP_MESSAGE_ID_READ_BCAPS;
-		msg14.version = HDCP_VERSION_14;
-		msg14.link = HDCP_LINK_PRIMARY;
-		msg14.max_retries = 5;
-
-		dc_process_hdcp_msg(signal, link, &msg14);
-	}
-
-}
-#endif
-
-static void read_current_link_settings_on_detect(struct dc_link *link)
-{
-	union lane_count_set lane_count_set = {0};
-	uint8_t link_bw_set;
-	uint8_t link_rate_set;
-	uint32_t read_dpcd_retry_cnt = 10;
-	enum dc_status status = DC_ERROR_UNEXPECTED;
-	int i;
-	union max_down_spread max_down_spread = {0};
-
-	// Read DPCD 00101h to find out the number of lanes currently set
-	for (i = 0; i < read_dpcd_retry_cnt; i++) {
-		status = core_link_read_dpcd(link,
-					     DP_LANE_COUNT_SET,
-					     &lane_count_set.raw,
-					     sizeof(lane_count_set));
-		/* First DPCD read after VDD ON can fail if the particular board
-		 * does not have HPD pin wired correctly. So if DPCD read fails,
-		 * which it should never happen, retry a few times. Target worst
-		 * case scenario of 80 ms.
-		 */
-		if (status == DC_OK) {
-			link->cur_link_settings.lane_count =
-					lane_count_set.bits.LANE_COUNT_SET;
-			break;
-		}
-
-		msleep(8);
-	}
-
-	// Read DPCD 00100h to find if standard link rates are set
-	core_link_read_dpcd(link, DP_LINK_BW_SET,
-			    &link_bw_set, sizeof(link_bw_set));
-
-	if (link_bw_set == 0) {
-		if (link->connector_signal == SIGNAL_TYPE_EDP) {
-			/* If standard link rates are not being used,
-			 * Read DPCD 00115h to find the edp link rate set used
-			 */
-			core_link_read_dpcd(link, DP_LINK_RATE_SET,
-					    &link_rate_set, sizeof(link_rate_set));
-
-			// edp_supported_link_rates_count = 0 for DP
-			if (link_rate_set < link->dpcd_caps.edp_supported_link_rates_count) {
-				link->cur_link_settings.link_rate =
-					link->dpcd_caps.edp_supported_link_rates[link_rate_set];
-				link->cur_link_settings.link_rate_set = link_rate_set;
-				link->cur_link_settings.use_link_rate_set = true;
-			}
-		} else {
-			// Link Rate not found. Seamless boot may not work.
-			ASSERT(false);
-		}
-	} else {
-		link->cur_link_settings.link_rate = link_bw_set;
-		link->cur_link_settings.use_link_rate_set = false;
-	}
-	// Read DPCD 00003h to find the max down spread.
-	core_link_read_dpcd(link, DP_MAX_DOWNSPREAD,
-			    &max_down_spread.raw, sizeof(max_down_spread));
-	link->cur_link_settings.link_spread =
-		max_down_spread.bits.MAX_DOWN_SPREAD ?
-		LINK_SPREAD_05_DOWNSPREAD_30KHZ : LINK_SPREAD_DISABLED;
-}
-
-static bool detect_dp(struct dc_link *link,
-		      struct display_sink_capability *sink_caps,
-		      enum dc_detect_reason reason)
-{
-	struct audio_support *audio_support = &link->dc->res_pool->audio_support;
-
-	sink_caps->signal = link_detect_sink(link, reason);
-	sink_caps->transaction_type =
-		get_ddc_transaction_type(sink_caps->signal);
-
-	if (sink_caps->transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
-		sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT;
-		if (!detect_dp_sink_caps(link))
-			return false;
-
-		if (is_dp_branch_device(link))
-			/* DP SST branch */
-			link->type = dc_connection_sst_branch;
-	} else {
-		/* DP passive dongles */
-		sink_caps->signal = dp_passive_dongle_detection(link->ddc,
-								sink_caps,
-								audio_support);
-		link->dpcd_caps.dongle_type = sink_caps->dongle_type;
-		link->dpcd_caps.is_dongle_type_one = sink_caps->is_dongle_type_one;
-		link->dpcd_caps.dpcd_rev.raw = 0;
-	}
-
-	return true;
-}
-
-static bool is_same_edid(struct dc_edid *old_edid, struct dc_edid *new_edid)
-{
-	if (old_edid->length != new_edid->length)
-		return false;
-
-	if (new_edid->length == 0)
-		return false;
-
-	return (memcmp(old_edid->raw_edid,
-		       new_edid->raw_edid, new_edid->length) == 0);
-}
-
-static bool wait_for_entering_dp_alt_mode(struct dc_link *link)
-{
-	/**
-	 * something is terribly wrong if time out is > 200ms. (5Hz)
-	 * 500 microseconds * 400 tries us 200 ms
-	 **/
-	unsigned int sleep_time_in_microseconds = 500;
-	unsigned int tries_allowed = 400;
-	bool is_in_alt_mode;
-	unsigned long long enter_timestamp;
-	unsigned long long finish_timestamp;
-	unsigned long long time_taken_in_ns;
-	int tries_taken;
-
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	if (!link->link_enc->funcs->is_in_alt_mode)
-		return true;
-
-	is_in_alt_mode = link->link_enc->funcs->is_in_alt_mode(link->link_enc);
-	DC_LOG_DC("DP Alt mode state on HPD: %d\n", is_in_alt_mode);
-
-	if (is_in_alt_mode)
-		return true;
-
-	enter_timestamp = dm_get_timestamp(link->ctx);
-
-	for (tries_taken = 0; tries_taken < tries_allowed; tries_taken++) {
-		udelay(sleep_time_in_microseconds);
-		/* ask the link if alt mode is enabled, if so return ok */
-		if (link->link_enc->funcs->is_in_alt_mode(link->link_enc)) {
-			finish_timestamp = dm_get_timestamp(link->ctx);
-			time_taken_in_ns =
-				dm_get_elapse_time_in_ns(link->ctx,
-							 finish_timestamp,
-							 enter_timestamp);
-			DC_LOG_WARNING("Alt mode entered finished after %llu ms\n",
-				       div_u64(time_taken_in_ns, 1000000));
-			return true;
-		}
-	}
-	finish_timestamp = dm_get_timestamp(link->ctx);
-	time_taken_in_ns = dm_get_elapse_time_in_ns(link->ctx, finish_timestamp,
-						    enter_timestamp);
-	DC_LOG_WARNING("Alt mode has timed out after %llu ms\n",
-		       div_u64(time_taken_in_ns, 1000000));
-	return false;
-}
-
-static void apply_dpia_mst_dsc_always_on_wa(struct dc_link *link)
-{
-	/* Apply work around for tunneled MST on certain USB4 docks. Always use DSC if dock
-	 * reports DSC support.
-	 */
-	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA &&
-			link->type == dc_connection_mst_branch &&
-			link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 &&
-			link->dpcd_caps.branch_hw_revision == DP_BRANCH_HW_REV_20 &&
-			link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT &&
-			!link->dc->debug.dpia_debug.bits.disable_mst_dsc_work_around)
-		link->wa_flags.dpia_mst_dsc_always_on = true;
-}
-
-static void revert_dpia_mst_dsc_always_on_wa(struct dc_link *link)
-{
-	/* Disable work around which keeps DSC on for tunneled MST on certain USB4 docks. */
-	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
-		link->wa_flags.dpia_mst_dsc_always_on = false;
-}
-
-static bool discover_dp_mst_topology(struct dc_link *link, enum dc_detect_reason reason)
-{
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	LINK_INFO("link=%d, mst branch is now Connected\n",
-		  link->link_index);
-
-	link->type = dc_connection_mst_branch;
-	apply_dpia_mst_dsc_always_on_wa(link);
-
-	dm_helpers_dp_update_branch_info(link->ctx, link);
-	if (dm_helpers_dp_mst_start_top_mgr(link->ctx,
-			link, (reason == DETECT_REASON_BOOT || reason == DETECT_REASON_RESUMEFROMS3S4))) {
-		link_disconnect_sink(link);
-	} else {
-		link->type = dc_connection_sst_branch;
-	}
-
-	return link->type == dc_connection_mst_branch;
-}
-
-bool reset_cur_dp_mst_topology(struct dc_link *link)
-{
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	LINK_INFO("link=%d, mst branch is now Disconnected\n",
-		  link->link_index);
-
-	revert_dpia_mst_dsc_always_on_wa(link);
-	return dm_helpers_dp_mst_stop_top_mgr(link->ctx, link);
-}
-
-static bool should_prepare_phy_clocks_for_link_verification(const struct dc *dc,
-		enum dc_detect_reason reason)
-{
-	int i;
-	bool can_apply_seamless_boot = false;
-
-	for (i = 0; i < dc->current_state->stream_count; i++) {
-		if (dc->current_state->streams[i]->apply_seamless_boot_optimization) {
-			can_apply_seamless_boot = true;
-			break;
-		}
-	}
-
-	return !can_apply_seamless_boot && reason != DETECT_REASON_BOOT;
-}
-
-static void prepare_phy_clocks_for_destructive_link_verification(const struct dc *dc)
-{
-	dc_z10_restore(dc);
-	clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr);
-}
-
-static void restore_phy_clocks_for_destructive_link_verification(const struct dc *dc)
-{
-	clk_mgr_optimize_pwr_state(dc, dc->clk_mgr);
-}
-
-static void set_all_streams_dpms_off_for_link(struct dc_link *link)
-{
-	int i;
-	struct pipe_ctx *pipe_ctx;
-	struct dc_stream_update stream_update;
-	bool dpms_off = true;
-	struct link_resource link_res = {0};
-
-	memset(&stream_update, 0, sizeof(stream_update));
-	stream_update.dpms_off = &dpms_off;
-
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe_ctx && pipe_ctx->stream && !pipe_ctx->stream->dpms_off &&
-				pipe_ctx->stream->link == link && !pipe_ctx->prev_odm_pipe) {
-			stream_update.stream = pipe_ctx->stream;
-			dc_commit_updates_for_stream(link->ctx->dc, NULL, 0,
-					pipe_ctx->stream, &stream_update,
-					link->ctx->dc->current_state);
-		}
-	}
-
-	/* link can be also enabled by vbios. In this case it is not recorded
-	 * in pipe_ctx. Disable link phy here to make sure it is completely off
-	 */
-	dp_disable_link_phy(link, &link_res, link->connector_signal);
-}
-
-static void verify_link_capability_destructive(struct dc_link *link,
-		struct dc_sink *sink,
-		enum dc_detect_reason reason)
-{
-	bool should_prepare_phy_clocks =
-			should_prepare_phy_clocks_for_link_verification(link->dc, reason);
-
-	if (should_prepare_phy_clocks)
-		prepare_phy_clocks_for_destructive_link_verification(link->dc);
-
-	if (dc_is_dp_signal(link->local_sink->sink_signal)) {
-		struct dc_link_settings known_limit_link_setting =
-				dp_get_max_link_cap(link);
-		set_all_streams_dpms_off_for_link(link);
-		dp_verify_link_cap_with_retries(
-				link, &known_limit_link_setting,
-				LINK_TRAINING_MAX_VERIFY_RETRY);
-	} else {
-		ASSERT(0);
-	}
-
-	if (should_prepare_phy_clocks)
-		restore_phy_clocks_for_destructive_link_verification(link->dc);
-}
-
-static void verify_link_capability_non_destructive(struct dc_link *link)
-{
-	if (dc_is_dp_signal(link->local_sink->sink_signal)) {
-		if (dc_is_embedded_signal(link->local_sink->sink_signal) ||
-				link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
-			/* TODO - should we check link encoder's max link caps here?
-			 * How do we know which link encoder to check from?
-			 */
-			link->verified_link_cap = link->reported_link_cap;
-		else
-			link->verified_link_cap = dp_get_max_link_cap(link);
-	}
-}
-
-static bool should_verify_link_capability_destructively(struct dc_link *link,
-		enum dc_detect_reason reason)
-{
-	bool destrictive = false;
-	struct dc_link_settings max_link_cap;
-	bool is_link_enc_unavailable = link->link_enc &&
-			link->dc->res_pool->funcs->link_encs_assign &&
-			!link_enc_cfg_is_link_enc_avail(
-					link->ctx->dc,
-					link->link_enc->preferred_engine,
-					link);
-
-	if (dc_is_dp_signal(link->local_sink->sink_signal)) {
-		max_link_cap = dp_get_max_link_cap(link);
-		destrictive = true;
-
-		if (link->dc->debug.skip_detection_link_training ||
-				dc_is_embedded_signal(link->local_sink->sink_signal) ||
-				link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) {
-			destrictive = false;
-		} else if (link_dp_get_encoding_format(&max_link_cap) ==
-				DP_8b_10b_ENCODING) {
-			if (link->dpcd_caps.is_mst_capable ||
-					is_link_enc_unavailable) {
-				destrictive = false;
-			}
-		}
-	}
-
-	return destrictive;
-}
-
-static void verify_link_capability(struct dc_link *link, struct dc_sink *sink,
-		enum dc_detect_reason reason)
-{
-	if (should_verify_link_capability_destructively(link, reason))
-		verify_link_capability_destructive(link, sink, reason);
-	else
-		verify_link_capability_non_destructive(link);
-}
-
-
-/**
- * detect_link_and_local_sink() - Detect if a sink is attached to a given link
- *
- * link->local_sink is created or destroyed as needed.
- *
- * This does not create remote sinks.
- */
-static bool detect_link_and_local_sink(struct dc_link *link,
-				  enum dc_detect_reason reason)
-{
-	struct dc_sink_init_data sink_init_data = { 0 };
-	struct display_sink_capability sink_caps = { 0 };
-	uint32_t i;
-	bool converter_disable_audio = false;
-	struct audio_support *aud_support = &link->dc->res_pool->audio_support;
-	bool same_edid = false;
-	enum dc_edid_status edid_status;
-	struct dc_context *dc_ctx = link->ctx;
-	struct dc *dc = dc_ctx->dc;
-	struct dc_sink *sink = NULL;
-	struct dc_sink *prev_sink = NULL;
-	struct dpcd_caps prev_dpcd_caps;
-	enum dc_connection_type new_connection_type = dc_connection_none;
-	const uint32_t post_oui_delay = 30; // 30ms
-
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	if (dc_is_virtual_signal(link->connector_signal))
-		return false;
-
-	if (((link->connector_signal == SIGNAL_TYPE_LVDS ||
-		link->connector_signal == SIGNAL_TYPE_EDP) &&
-		(!link->dc->config.allow_edp_hotplug_detection)) &&
-		link->local_sink) {
-		// need to re-write OUI and brightness in resume case
-		if (link->connector_signal == SIGNAL_TYPE_EDP &&
-			(link->dpcd_sink_ext_caps.bits.oled == 1)) {
-			dpcd_set_source_specific_data(link);
-			msleep(post_oui_delay);
-			set_default_brightness_aux(link);
-			//TODO: use cached
-		}
-
-		return true;
-	}
-
-	if (!dc_link_detect_sink(link, &new_connection_type)) {
-		BREAK_TO_DEBUGGER();
-		return false;
-	}
-
-	prev_sink = link->local_sink;
-	if (prev_sink) {
-		dc_sink_retain(prev_sink);
-		memcpy(&prev_dpcd_caps, &link->dpcd_caps, sizeof(struct dpcd_caps));
-	}
-
-	link_disconnect_sink(link);
-	if (new_connection_type != dc_connection_none) {
-		link->type = new_connection_type;
-		link->link_state_valid = false;
-
-		/* From Disconnected-to-Connected. */
-		switch (link->connector_signal) {
-		case SIGNAL_TYPE_HDMI_TYPE_A: {
-			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
-			if (aud_support->hdmi_audio_native)
-				sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A;
-			else
-				sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-			break;
-		}
-
-		case SIGNAL_TYPE_DVI_SINGLE_LINK: {
-			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
-			sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-			break;
-		}
-
-		case SIGNAL_TYPE_DVI_DUAL_LINK: {
-			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
-			sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK;
-			break;
-		}
-
-		case SIGNAL_TYPE_LVDS: {
-			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
-			sink_caps.signal = SIGNAL_TYPE_LVDS;
-			break;
-		}
-
-		case SIGNAL_TYPE_EDP: {
-			read_current_link_settings_on_detect(link);
-
-			detect_edp_sink_caps(link);
-			read_current_link_settings_on_detect(link);
-
-			/* Disable power sequence on MIPI panel + converter
-			 */
-			if (dc->config.enable_mipi_converter_optimization &&
-				dc_ctx->dce_version == DCN_VERSION_3_01 &&
-				link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_0022B9 &&
-				memcmp(&link->dpcd_caps.branch_dev_name, DP_SINK_BRANCH_DEV_NAME_7580,
-					sizeof(link->dpcd_caps.branch_dev_name)) == 0) {
-				dc->config.edp_no_power_sequencing = true;
-
-				if (!link->dpcd_caps.set_power_state_capable_edp)
-					link->wa_flags.dp_keep_receiver_powered = true;
-			}
-
-			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
-			sink_caps.signal = SIGNAL_TYPE_EDP;
-			break;
-		}
-
-		case SIGNAL_TYPE_DISPLAY_PORT: {
-			/* wa HPD high coming too early*/
-			if (link->ep_type == DISPLAY_ENDPOINT_PHY &&
-			    link->link_enc->features.flags.bits.DP_IS_USB_C == 1) {
-				/* if alt mode times out, return false */
-				if (!wait_for_entering_dp_alt_mode(link))
-					return false;
-			}
-
-			if (!detect_dp(link, &sink_caps, reason)) {
-				if (prev_sink)
-					dc_sink_release(prev_sink);
-				return false;
-			}
-
-			/* Active SST downstream branch device unplug*/
-			if (link->type == dc_connection_sst_branch &&
-			    link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) {
-				if (prev_sink)
-					/* Downstream unplug */
-					dc_sink_release(prev_sink);
-				return true;
-			}
-
-			/* disable audio for non DP to HDMI active sst converter */
-			if (link->type == dc_connection_sst_branch &&
-					is_dp_active_dongle(link) &&
-					(link->dpcd_caps.dongle_type !=
-							DISPLAY_DONGLE_DP_HDMI_CONVERTER))
-				converter_disable_audio = true;
-			break;
-		}
-
-		default:
-			DC_ERROR("Invalid connector type! signal:%d\n",
-				 link->connector_signal);
-			if (prev_sink)
-				dc_sink_release(prev_sink);
-			return false;
-		} /* switch() */
-
-		if (link->dpcd_caps.sink_count.bits.SINK_COUNT)
-			link->dpcd_sink_count =
-				link->dpcd_caps.sink_count.bits.SINK_COUNT;
-		else
-			link->dpcd_sink_count = 1;
-
-		set_ddc_transaction_type(link->ddc,
-						     sink_caps.transaction_type);
-
-		link->aux_mode =
-			link_is_in_aux_transaction_mode(link->ddc);
-
-		sink_init_data.link = link;
-		sink_init_data.sink_signal = sink_caps.signal;
-
-		sink = dc_sink_create(&sink_init_data);
-		if (!sink) {
-			DC_ERROR("Failed to create sink!\n");
-			if (prev_sink)
-				dc_sink_release(prev_sink);
-			return false;
-		}
-
-		sink->link->dongle_max_pix_clk = sink_caps.max_hdmi_pixel_clock;
-		sink->converter_disable_audio = converter_disable_audio;
-
-		/* dc_sink_create returns a new reference */
-		link->local_sink = sink;
-
-		edid_status = dm_helpers_read_local_edid(link->ctx,
-							 link, sink);
-
-		switch (edid_status) {
-		case EDID_BAD_CHECKSUM:
-			DC_LOG_ERROR("EDID checksum invalid.\n");
-			break;
-		case EDID_PARTIAL_VALID:
-			DC_LOG_ERROR("Partial EDID valid, abandon invalid blocks.\n");
-			break;
-		case EDID_NO_RESPONSE:
-			DC_LOG_ERROR("No EDID read.\n");
-			/*
-			 * Abort detection for non-DP connectors if we have
-			 * no EDID
-			 *
-			 * DP needs to report as connected if HDP is high
-			 * even if we have no EDID in order to go to
-			 * fail-safe mode
-			 */
-			if (dc_is_hdmi_signal(link->connector_signal) ||
-			    dc_is_dvi_signal(link->connector_signal)) {
-				if (prev_sink)
-					dc_sink_release(prev_sink);
-
-				return false;
-			}
-
-			if (link->type == dc_connection_sst_branch &&
-					link->dpcd_caps.dongle_type ==
-						DISPLAY_DONGLE_DP_VGA_CONVERTER &&
-					reason == DETECT_REASON_HPDRX) {
-				/* Abort detection for DP-VGA adapters when EDID
-				 * can't be read and detection reason is VGA-side
-				 * hotplug
-				 */
-				if (prev_sink)
-					dc_sink_release(prev_sink);
-				link_disconnect_sink(link);
-
-				return true;
-			}
-
-			break;
-		default:
-			break;
-		}
-
-		// Check if edid is the same
-		if ((prev_sink) &&
-		    (edid_status == EDID_THE_SAME || edid_status == EDID_OK))
-			same_edid = is_same_edid(&prev_sink->dc_edid,
-						 &sink->dc_edid);
-
-		if (sink->edid_caps.panel_patch.skip_scdc_overwrite)
-			link->ctx->dc->debug.hdmi20_disable = true;
-
-		if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
-		    sink_caps.transaction_type ==
-		    DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
-			/*
-			 * TODO debug why Dell 2413 doesn't like
-			 *  two link trainings
-			 */
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-			query_hdcp_capability(sink->sink_signal, link);
-#endif
-		} else {
-			// If edid is the same, then discard new sink and revert back to original sink
-			if (same_edid) {
-				link_disconnect_remap(prev_sink, link);
-				sink = prev_sink;
-				prev_sink = NULL;
-			}
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-			query_hdcp_capability(sink->sink_signal, link);
-#endif
-		}
-
-		/* HDMI-DVI Dongle */
-		if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A &&
-		    !sink->edid_caps.edid_hdmi)
-			sink->sink_signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-
-		if (link->local_sink && dc_is_dp_signal(sink_caps.signal))
-			dp_trace_init(link);
-
-		/* Connectivity log: detection */
-		for (i = 0; i < sink->dc_edid.length / DC_EDID_BLOCK_SIZE; i++) {
-			CONN_DATA_DETECT(link,
-					 &sink->dc_edid.raw_edid[i * DC_EDID_BLOCK_SIZE],
-					 DC_EDID_BLOCK_SIZE,
-					 "%s: [Block %d] ", sink->edid_caps.display_name, i);
-		}
-
-		DC_LOG_DETECTION_EDID_PARSER("%s: "
-			"manufacturer_id = %X, "
-			"product_id = %X, "
-			"serial_number = %X, "
-			"manufacture_week = %d, "
-			"manufacture_year = %d, "
-			"display_name = %s, "
-			"speaker_flag = %d, "
-			"audio_mode_count = %d\n",
-			__func__,
-			sink->edid_caps.manufacturer_id,
-			sink->edid_caps.product_id,
-			sink->edid_caps.serial_number,
-			sink->edid_caps.manufacture_week,
-			sink->edid_caps.manufacture_year,
-			sink->edid_caps.display_name,
-			sink->edid_caps.speaker_flags,
-			sink->edid_caps.audio_mode_count);
-
-		for (i = 0; i < sink->edid_caps.audio_mode_count; i++) {
-			DC_LOG_DETECTION_EDID_PARSER("%s: mode number = %d, "
-				"format_code = %d, "
-				"channel_count = %d, "
-				"sample_rate = %d, "
-				"sample_size = %d\n",
-				__func__,
-				i,
-				sink->edid_caps.audio_modes[i].format_code,
-				sink->edid_caps.audio_modes[i].channel_count,
-				sink->edid_caps.audio_modes[i].sample_rate,
-				sink->edid_caps.audio_modes[i].sample_size);
-		}
-
-		if (link->connector_signal == SIGNAL_TYPE_EDP) {
-			/* Init dc_panel_config by HW config */
-			if (dc_ctx->dc->res_pool->funcs->get_panel_config_defaults)
-				dc_ctx->dc->res_pool->funcs->get_panel_config_defaults(&link->panel_config);
-			/* Pickup base DM settings */
-			dm_helpers_init_panel_settings(dc_ctx, &link->panel_config, sink);
-			// Override dc_panel_config if system has specific settings
-			dm_helpers_override_panel_settings(dc_ctx, &link->panel_config);
-		}
-
-	} else {
-		/* From Connected-to-Disconnected. */
-		link->type = dc_connection_none;
-		sink_caps.signal = SIGNAL_TYPE_NONE;
-		/* When we unplug a passive DP-HDMI dongle connection, dongle_max_pix_clk
-		 *  is not cleared. If we emulate a DP signal on this connection, it thinks
-		 *  the dongle is still there and limits the number of modes we can emulate.
-		 *  Clear dongle_max_pix_clk on disconnect to fix this
-		 */
-		link->dongle_max_pix_clk = 0;
-
-		dc_link_clear_dprx_states(link);
-		dp_trace_reset(link);
-	}
-
-	LINK_INFO("link=%d, dc_sink_in=%p is now %s prev_sink=%p edid same=%d\n",
-		  link->link_index, sink,
-		  (sink_caps.signal ==
-		   SIGNAL_TYPE_NONE ? "Disconnected" : "Connected"),
-		  prev_sink, same_edid);
-
-	if (prev_sink)
-		dc_sink_release(prev_sink);
-
-	return true;
-}
-
-bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
-{
-	bool is_local_sink_detect_success;
-	bool is_delegated_to_mst_top_mgr = false;
-	enum dc_connection_type pre_link_type = link->type;
-
-	is_local_sink_detect_success = detect_link_and_local_sink(link, reason);
-
-	if (is_local_sink_detect_success && link->local_sink)
-		verify_link_capability(link, link->local_sink, reason);
-
-	if (is_local_sink_detect_success && link->local_sink &&
-			dc_is_dp_signal(link->local_sink->sink_signal) &&
-			link->dpcd_caps.is_mst_capable)
-		is_delegated_to_mst_top_mgr = discover_dp_mst_topology(link, reason);
-
-	if (is_local_sink_detect_success &&
-			pre_link_type == dc_connection_mst_branch &&
-			link->type != dc_connection_mst_branch)
-		is_delegated_to_mst_top_mgr = reset_cur_dp_mst_topology(link);
-
-	return is_local_sink_detect_success && !is_delegated_to_mst_top_mgr;
-}
-
-static enum channel_id get_ddc_line(struct dc_link *link)
-{
-	struct ddc *ddc;
-	enum channel_id channel;
-
-	channel = CHANNEL_ID_UNKNOWN;
-
-	ddc = get_ddc_pin(link->ddc);
-
-	if (ddc) {
-		switch (dal_ddc_get_line(ddc)) {
-		case GPIO_DDC_LINE_DDC1:
-			channel = CHANNEL_ID_DDC1;
-			break;
-		case GPIO_DDC_LINE_DDC2:
-			channel = CHANNEL_ID_DDC2;
-			break;
-		case GPIO_DDC_LINE_DDC3:
-			channel = CHANNEL_ID_DDC3;
-			break;
-		case GPIO_DDC_LINE_DDC4:
-			channel = CHANNEL_ID_DDC4;
-			break;
-		case GPIO_DDC_LINE_DDC5:
-			channel = CHANNEL_ID_DDC5;
-			break;
-		case GPIO_DDC_LINE_DDC6:
-			channel = CHANNEL_ID_DDC6;
-			break;
-		case GPIO_DDC_LINE_DDC_VGA:
-			channel = CHANNEL_ID_DDC_VGA;
-			break;
-		case GPIO_DDC_LINE_I2C_PAD:
-			channel = CHANNEL_ID_I2C_PAD;
-			break;
-		default:
-			BREAK_TO_DEBUGGER();
-			break;
-		}
-	}
-
-	return channel;
-}
-
-static enum transmitter translate_encoder_to_transmitter(struct graphics_object_id encoder)
-{
-	switch (encoder.id) {
-	case ENCODER_ID_INTERNAL_UNIPHY:
-		switch (encoder.enum_id) {
-		case ENUM_ID_1:
-			return TRANSMITTER_UNIPHY_A;
-		case ENUM_ID_2:
-			return TRANSMITTER_UNIPHY_B;
-		default:
-			return TRANSMITTER_UNKNOWN;
-		}
-	break;
-	case ENCODER_ID_INTERNAL_UNIPHY1:
-		switch (encoder.enum_id) {
-		case ENUM_ID_1:
-			return TRANSMITTER_UNIPHY_C;
-		case ENUM_ID_2:
-			return TRANSMITTER_UNIPHY_D;
-		default:
-			return TRANSMITTER_UNKNOWN;
-		}
-	break;
-	case ENCODER_ID_INTERNAL_UNIPHY2:
-		switch (encoder.enum_id) {
-		case ENUM_ID_1:
-			return TRANSMITTER_UNIPHY_E;
-		case ENUM_ID_2:
-			return TRANSMITTER_UNIPHY_F;
-		default:
-			return TRANSMITTER_UNKNOWN;
-		}
-	break;
-	case ENCODER_ID_INTERNAL_UNIPHY3:
-		switch (encoder.enum_id) {
-		case ENUM_ID_1:
-			return TRANSMITTER_UNIPHY_G;
-		default:
-			return TRANSMITTER_UNKNOWN;
-		}
-	break;
-	case ENCODER_ID_EXTERNAL_NUTMEG:
-		switch (encoder.enum_id) {
-		case ENUM_ID_1:
-			return TRANSMITTER_NUTMEG_CRT;
-		default:
-			return TRANSMITTER_UNKNOWN;
-		}
-	break;
-	case ENCODER_ID_EXTERNAL_TRAVIS:
-		switch (encoder.enum_id) {
-		case ENUM_ID_1:
-			return TRANSMITTER_TRAVIS_CRT;
-		case ENUM_ID_2:
-			return TRANSMITTER_TRAVIS_LCD;
-		default:
-			return TRANSMITTER_UNKNOWN;
-		}
-	break;
-	default:
-		return TRANSMITTER_UNKNOWN;
-	}
-}
-
-static bool dc_link_construct_legacy(struct dc_link *link,
-				     const struct link_init_data *init_params)
-{
-	uint8_t i;
-	struct ddc_service_init_data ddc_service_init_data = { 0 };
-	struct dc_context *dc_ctx = init_params->ctx;
-	struct encoder_init_data enc_init_data = { 0 };
-	struct panel_cntl_init_data panel_cntl_init_data = { 0 };
-	struct integrated_info *info;
-	struct dc_bios *bios = init_params->dc->ctx->dc_bios;
-	const struct dc_vbios_funcs *bp_funcs = bios->funcs;
-	struct bp_disp_connector_caps_info disp_connect_caps_info = { 0 };
-
-	DC_LOGGER_INIT(dc_ctx->logger);
-
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
-	if (!info)
-		goto create_fail;
-
-	link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
-	link->irq_source_hpd_rx = DC_IRQ_SOURCE_INVALID;
-
-	link->link_status.dpcd_caps = &link->dpcd_caps;
-
-	link->dc = init_params->dc;
-	link->ctx = dc_ctx;
-	link->link_index = init_params->link_index;
-
-	memset(&link->preferred_training_settings, 0,
-	       sizeof(struct dc_link_training_overrides));
-	memset(&link->preferred_link_setting, 0,
-	       sizeof(struct dc_link_settings));
-
-	link->link_id =
-		bios->funcs->get_connector_id(bios, init_params->connector_index);
-
-	link->ep_type = DISPLAY_ENDPOINT_PHY;
-
-	DC_LOG_DC("BIOS object table - link_id: %d", link->link_id.id);
-
-	if (bios->funcs->get_disp_connector_caps_info) {
-		bios->funcs->get_disp_connector_caps_info(bios, link->link_id, &disp_connect_caps_info);
-		link->is_internal_display = disp_connect_caps_info.INTERNAL_DISPLAY;
-		DC_LOG_DC("BIOS object table - is_internal_display: %d", link->is_internal_display);
-	}
-
-	if (link->link_id.type != OBJECT_TYPE_CONNECTOR) {
-		dm_output_to_console("%s: Invalid Connector ObjectID from Adapter Service for connector index:%d! type %d expected %d\n",
-				     __func__, init_params->connector_index,
-				     link->link_id.type, OBJECT_TYPE_CONNECTOR);
-		goto create_fail;
-	}
-
-	if (link->dc->res_pool->funcs->link_init)
-		link->dc->res_pool->funcs->link_init(link);
-
-	link->hpd_gpio = link_get_hpd_gpio(link->ctx->dc_bios, link->link_id,
-				      link->ctx->gpio_service);
-
-	if (link->hpd_gpio) {
-		dal_gpio_open(link->hpd_gpio, GPIO_MODE_INTERRUPT);
-		dal_gpio_unlock_pin(link->hpd_gpio);
-		link->irq_source_hpd = dal_irq_get_source(link->hpd_gpio);
-
-		DC_LOG_DC("BIOS object table - hpd_gpio id: %d", link->hpd_gpio->id);
-		DC_LOG_DC("BIOS object table - hpd_gpio en: %d", link->hpd_gpio->en);
-	}
-
-	switch (link->link_id.id) {
-	case CONNECTOR_ID_HDMI_TYPE_A:
-		link->connector_signal = SIGNAL_TYPE_HDMI_TYPE_A;
-
-		break;
-	case CONNECTOR_ID_SINGLE_LINK_DVID:
-	case CONNECTOR_ID_SINGLE_LINK_DVII:
-		link->connector_signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
-		break;
-	case CONNECTOR_ID_DUAL_LINK_DVID:
-	case CONNECTOR_ID_DUAL_LINK_DVII:
-		link->connector_signal = SIGNAL_TYPE_DVI_DUAL_LINK;
-		break;
-	case CONNECTOR_ID_DISPLAY_PORT:
-	case CONNECTOR_ID_USBC:
-		link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT;
-
-		if (link->hpd_gpio)
-			link->irq_source_hpd_rx =
-					dal_irq_get_rx_source(link->hpd_gpio);
-
-		break;
-	case CONNECTOR_ID_EDP:
-		link->connector_signal = SIGNAL_TYPE_EDP;
-
-		if (link->hpd_gpio) {
-			if (!link->dc->config.allow_edp_hotplug_detection)
-				link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
-
-			switch (link->dc->config.allow_edp_hotplug_detection) {
-			case 1: // only the 1st eDP handles hotplug
-				if (link->link_index == 0)
-					link->irq_source_hpd_rx =
-						dal_irq_get_rx_source(link->hpd_gpio);
-				else
-					link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
-				break;
-			case 2: // only the 2nd eDP handles hotplug
-				if (link->link_index == 1)
-					link->irq_source_hpd_rx =
-						dal_irq_get_rx_source(link->hpd_gpio);
-				else
-					link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
-				break;
-			default:
-				break;
-			}
-		}
-
-		break;
-	case CONNECTOR_ID_LVDS:
-		link->connector_signal = SIGNAL_TYPE_LVDS;
-		break;
-	default:
-		DC_LOG_WARNING("Unsupported Connector type:%d!\n",
-			       link->link_id.id);
-		goto create_fail;
-	}
-
-	/* TODO: #DAL3 Implement id to str function.*/
-	LINK_INFO("Connector[%d] description:"
-		  "signal %d\n",
-		  init_params->connector_index,
-		  link->connector_signal);
-
-	ddc_service_init_data.ctx = link->ctx;
-	ddc_service_init_data.id = link->link_id;
-	ddc_service_init_data.link = link;
-	link->ddc = link_create_ddc_service(&ddc_service_init_data);
-
-	if (!link->ddc) {
-		DC_ERROR("Failed to create ddc_service!\n");
-		goto ddc_create_fail;
-	}
-
-	if (!link->ddc->ddc_pin) {
-		DC_ERROR("Failed to get I2C info for connector!\n");
-		goto ddc_create_fail;
-	}
-
-	link->ddc_hw_inst =
-		dal_ddc_get_line(get_ddc_pin(link->ddc));
-
-
-	if (link->dc->res_pool->funcs->panel_cntl_create &&
-		(link->link_id.id == CONNECTOR_ID_EDP ||
-			link->link_id.id == CONNECTOR_ID_LVDS)) {
-		panel_cntl_init_data.ctx = dc_ctx;
-		panel_cntl_init_data.inst =
-			panel_cntl_init_data.ctx->dc_edp_id_count;
-		link->panel_cntl =
-			link->dc->res_pool->funcs->panel_cntl_create(
-								&panel_cntl_init_data);
-		panel_cntl_init_data.ctx->dc_edp_id_count++;
-
-		if (link->panel_cntl == NULL) {
-			DC_ERROR("Failed to create link panel_cntl!\n");
-			goto panel_cntl_create_fail;
-		}
-	}
-
-	enc_init_data.ctx = dc_ctx;
-	bp_funcs->get_src_obj(dc_ctx->dc_bios, link->link_id, 0,
-			      &enc_init_data.encoder);
-	enc_init_data.connector = link->link_id;
-	enc_init_data.channel = get_ddc_line(link);
-	enc_init_data.hpd_source = get_hpd_line(link);
-
-	link->hpd_src = enc_init_data.hpd_source;
-
-	enc_init_data.transmitter =
-		translate_encoder_to_transmitter(enc_init_data.encoder);
-	link->link_enc =
-		link->dc->res_pool->funcs->link_enc_create(dc_ctx, &enc_init_data);
-
-	if (!link->link_enc) {
-		DC_ERROR("Failed to create link encoder!\n");
-		goto link_enc_create_fail;
-	}
-
-	DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C);
-	DC_LOG_DC("BIOS object table - IS_DP2_CAPABLE: %d", link->link_enc->features.flags.bits.IS_DP2_CAPABLE);
-
-	/* Update link encoder tracking variables. These are used for the dynamic
-	 * assignment of link encoders to streams.
-	 */
-	link->eng_id = link->link_enc->preferred_engine;
-	link->dc->res_pool->link_encoders[link->eng_id - ENGINE_ID_DIGA] = link->link_enc;
-	link->dc->res_pool->dig_link_enc_count++;
-
-	link->link_enc_hw_inst = link->link_enc->transmitter;
-
-	for (i = 0; i < 4; i++) {
-		if (bp_funcs->get_device_tag(dc_ctx->dc_bios,
-					     link->link_id, i,
-					     &link->device_tag) != BP_RESULT_OK) {
-			DC_ERROR("Failed to find device tag!\n");
-			goto device_tag_fail;
-		}
-
-		/* Look for device tag that matches connector signal,
-		 * CRT for rgb, LCD for other supported signal tyes
-		 */
-		if (!bp_funcs->is_device_id_supported(dc_ctx->dc_bios,
-						      link->device_tag.dev_id))
-			continue;
-		if (link->device_tag.dev_id.device_type == DEVICE_TYPE_CRT &&
-		    link->connector_signal != SIGNAL_TYPE_RGB)
-			continue;
-		if (link->device_tag.dev_id.device_type == DEVICE_TYPE_LCD &&
-		    link->connector_signal == SIGNAL_TYPE_RGB)
-			continue;
-
-		DC_LOG_DC("BIOS object table - device_tag.acpi_device: %d", link->device_tag.acpi_device);
-		DC_LOG_DC("BIOS object table - device_tag.dev_id.device_type: %d", link->device_tag.dev_id.device_type);
-		DC_LOG_DC("BIOS object table - device_tag.dev_id.enum_id: %d", link->device_tag.dev_id.enum_id);
-		break;
-	}
-
-	if (bios->integrated_info)
-		memcpy(info, bios->integrated_info, sizeof(*info));
-
-	/* Look for channel mapping corresponding to connector and device tag */
-	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
-		struct external_display_path *path =
-			&info->ext_disp_conn_info.path[i];
-
-		if (path->device_connector_id.enum_id == link->link_id.enum_id &&
-		    path->device_connector_id.id == link->link_id.id &&
-		    path->device_connector_id.type == link->link_id.type) {
-			if (link->device_tag.acpi_device != 0 &&
-			    path->device_acpi_enum == link->device_tag.acpi_device) {
-				link->ddi_channel_mapping = path->channel_mapping;
-				link->chip_caps = path->caps;
-				DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw);
-				DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps);
-			} else if (path->device_tag ==
-				   link->device_tag.dev_id.raw_device_tag) {
-				link->ddi_channel_mapping = path->channel_mapping;
-				link->chip_caps = path->caps;
-				DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw);
-				DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps);
-			}
-
-			if (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) {
-				link->bios_forced_drive_settings.VOLTAGE_SWING =
-						(info->ext_disp_conn_info.fixdpvoltageswing & 0x3);
-				link->bios_forced_drive_settings.PRE_EMPHASIS =
-						((info->ext_disp_conn_info.fixdpvoltageswing >> 2) & 0x3);
-			}
-
-			break;
-		}
-	}
-
-	if (bios->funcs->get_atom_dc_golden_table)
-		bios->funcs->get_atom_dc_golden_table(bios);
-
-	/*
-	 * TODO check if GPIO programmed correctly
-	 *
-	 * If GPIO isn't programmed correctly HPD might not rise or drain
-	 * fast enough, leading to bounces.
-	 */
-	program_hpd_filter(link);
-
-	link->psr_settings.psr_vtotal_control_support = false;
-	link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
-
-	DC_LOG_DC("BIOS object table - %s finished successfully.\n", __func__);
-	kfree(info);
-	return true;
-device_tag_fail:
-	link->link_enc->funcs->destroy(&link->link_enc);
-link_enc_create_fail:
-	if (link->panel_cntl != NULL)
-		link->panel_cntl->funcs->destroy(&link->panel_cntl);
-panel_cntl_create_fail:
-	link_destroy_ddc_service(&link->ddc);
-ddc_create_fail:
-create_fail:
-
-	if (link->hpd_gpio) {
-		dal_gpio_destroy_irq(&link->hpd_gpio);
-		link->hpd_gpio = NULL;
-	}
-
-	DC_LOG_DC("BIOS object table - %s failed.\n", __func__);
-	kfree(info);
-
-	return false;
-}
-
-static bool dc_link_construct_dpia(struct dc_link *link,
-				   const struct link_init_data *init_params)
-{
-	struct ddc_service_init_data ddc_service_init_data = { 0 };
-	struct dc_context *dc_ctx = init_params->ctx;
-
-	DC_LOGGER_INIT(dc_ctx->logger);
-
-	/* Initialized irq source for hpd and hpd rx */
-	link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
-	link->irq_source_hpd_rx = DC_IRQ_SOURCE_INVALID;
-	link->link_status.dpcd_caps = &link->dpcd_caps;
-
-	link->dc = init_params->dc;
-	link->ctx = dc_ctx;
-	link->link_index = init_params->link_index;
-
-	memset(&link->preferred_training_settings, 0,
-	       sizeof(struct dc_link_training_overrides));
-	memset(&link->preferred_link_setting, 0,
-	       sizeof(struct dc_link_settings));
-
-	/* Dummy Init for linkid */
-	link->link_id.type = OBJECT_TYPE_CONNECTOR;
-	link->link_id.id = CONNECTOR_ID_DISPLAY_PORT;
-	link->link_id.enum_id = ENUM_ID_1 + init_params->connector_index;
-	link->is_internal_display = false;
-	link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT;
-	LINK_INFO("Connector[%d] description:signal %d\n",
-		  init_params->connector_index,
-		  link->connector_signal);
-
-	link->ep_type = DISPLAY_ENDPOINT_USB4_DPIA;
-	link->is_dig_mapping_flexible = true;
-
-	/* TODO: Initialize link : funcs->link_init */
-
-	ddc_service_init_data.ctx = link->ctx;
-	ddc_service_init_data.id = link->link_id;
-	ddc_service_init_data.link = link;
-	/* Set indicator for dpia link so that ddc won't be created */
-	ddc_service_init_data.is_dpia_link = true;
-
-	link->ddc = link_create_ddc_service(&ddc_service_init_data);
-	if (!link->ddc) {
-		DC_ERROR("Failed to create ddc_service!\n");
-		goto ddc_create_fail;
-	}
-
-	/* Set dpia port index : 0 to number of dpia ports */
-	link->ddc_hw_inst = init_params->connector_index;
-
-	/* TODO: Create link encoder */
-
-	link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
-
-	/* Some docks seem to NAK I2C writes to segment pointer with mot=0. */
-	link->wa_flags.dp_mot_reset_segment = true;
-
-	return true;
-
-ddc_create_fail:
-	return false;
-}
-
-static bool dc_link_construct(struct dc_link *link,
-			      const struct link_init_data *init_params)
-{
-	/* Handle dpia case */
-	if (init_params->is_dpia_link)
-		return dc_link_construct_dpia(link, init_params);
-	else
-		return dc_link_construct_legacy(link, init_params);
-}
-/*******************************************************************************
- * Public functions
- ******************************************************************************/
-struct dc_link *link_create(const struct link_init_data *init_params)
-{
-	struct dc_link *link =
-			kzalloc(sizeof(*link), GFP_KERNEL);
-
-	if (NULL == link)
-		goto alloc_fail;
-
-	if (false == dc_link_construct(link, init_params))
-		goto construct_fail;
-
-	return link;
-
-construct_fail:
-	kfree(link);
-
-alloc_fail:
-	return NULL;
-}
-
-void link_destroy(struct dc_link **link)
-{
-	dc_link_destruct(*link);
-	kfree(*link);
-	*link = NULL;
-}
-
-static void enable_stream_features(struct pipe_ctx *pipe_ctx)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-
-	if (pipe_ctx->stream->signal != SIGNAL_TYPE_DISPLAY_PORT_MST) {
-		struct dc_link *link = stream->link;
-		union down_spread_ctrl old_downspread;
-		union down_spread_ctrl new_downspread;
-
-		memset(&old_downspread, 0, sizeof(old_downspread));
-
-		core_link_read_dpcd(link, DP_DOWNSPREAD_CTRL,
-				&old_downspread.raw, sizeof(old_downspread));
-
-		new_downspread.raw = old_downspread.raw;
-
-		new_downspread.bits.IGNORE_MSA_TIMING_PARAM =
-				(stream->ignore_msa_timing_param) ? 1 : 0;
-
-		if (new_downspread.raw != old_downspread.raw) {
-			core_link_write_dpcd(link, DP_DOWNSPREAD_CTRL,
-				&new_downspread.raw, sizeof(new_downspread));
-		}
-
-	} else {
-		dm_helpers_mst_enable_stream_features(stream);
-	}
-}
-
-static enum dc_status enable_link_dp(struct dc_state *state,
-				     struct pipe_ctx *pipe_ctx)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	enum dc_status status;
-	bool skip_video_pattern;
-	struct dc_link *link = stream->link;
-	const struct dc_link_settings *link_settings =
-			&pipe_ctx->link_config.dp_link_settings;
-	bool fec_enable;
-	int i;
-	bool apply_seamless_boot_optimization = false;
-	uint32_t bl_oled_enable_delay = 50; // in ms
-	uint32_t post_oui_delay = 30; // 30ms
-	/* Reduce link bandwidth between failed link training attempts. */
-	bool do_fallback = false;
-
-	// check for seamless boot
-	for (i = 0; i < state->stream_count; i++) {
-		if (state->streams[i]->apply_seamless_boot_optimization) {
-			apply_seamless_boot_optimization = true;
-			break;
-		}
-	}
-
-	/* Train with fallback when enabling DPIA link. Conventional links are
-	 * trained with fallback during sink detection.
-	 */
-	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
-		do_fallback = true;
-
-	/*
-	 * Temporary w/a to get DP2.0 link rates to work with SST.
-	 * TODO DP2.0 - Workaround: Remove w/a if and when the issue is resolved.
-	 */
-	if (link_dp_get_encoding_format(link_settings) == DP_128b_132b_ENCODING &&
-			pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
-			link->dc->debug.set_mst_en_for_sst) {
-		dp_enable_mst_on_sink(link, true);
-	}
-
-	if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP) {
-		/*in case it is not on*/
-		if (!link->dc->config.edp_no_power_sequencing)
-			link->dc->hwss.edp_power_control(link, true);
-		link->dc->hwss.edp_wait_for_hpd_ready(link, true);
-	}
-
-	if (link_dp_get_encoding_format(link_settings) == DP_128b_132b_ENCODING) {
-		/* TODO - DP2.0 HW: calculate 32 symbol clock for HPO encoder */
-	} else {
-		pipe_ctx->stream_res.pix_clk_params.requested_sym_clk =
-				link_settings->link_rate * LINK_RATE_REF_FREQ_IN_KHZ;
-		if (state->clk_mgr && !apply_seamless_boot_optimization)
-			state->clk_mgr->funcs->update_clocks(state->clk_mgr,
-					state, false);
-	}
-
-	// during mode switch we do DP_SET_POWER off then on, and OUI is lost
-	dpcd_set_source_specific_data(link);
-	if (link->dpcd_sink_ext_caps.raw != 0) {
-		post_oui_delay += link->panel_config.pps.extra_post_OUI_ms;
-		msleep(post_oui_delay);
-	}
-
-	// similarly, mode switch can cause loss of cable ID
-	dpcd_write_cable_id_to_dprx(link);
-
-	skip_video_pattern = true;
-
-	if (link_settings->link_rate == LINK_RATE_LOW)
-		skip_video_pattern = false;
-
-	if (perform_link_training_with_retries(link_settings,
-					       skip_video_pattern,
-					       LINK_TRAINING_ATTEMPTS,
-					       pipe_ctx,
-					       pipe_ctx->stream->signal,
-					       do_fallback)) {
-		status = DC_OK;
-	} else {
-		status = DC_FAIL_DP_LINK_TRAINING;
-	}
-
-	if (link->preferred_training_settings.fec_enable)
-		fec_enable = *link->preferred_training_settings.fec_enable;
-	else
-		fec_enable = true;
-
-	if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
-		dp_set_fec_enable(link, fec_enable);
-
-	// during mode set we do DP_SET_POWER off then on, aux writes are lost
-	if (link->dpcd_sink_ext_caps.bits.oled == 1 ||
-		link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 ||
-		link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) {
-		set_default_brightness_aux(link); // TODO: use cached if known
-		if (link->dpcd_sink_ext_caps.bits.oled == 1)
-			msleep(bl_oled_enable_delay);
-		link_backlight_enable_aux(link, true);
-	}
-
-	return status;
-}
-
-static enum dc_status enable_link_edp(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx)
-{
-	return enable_link_dp(state, pipe_ctx);
-}
-
-static enum dc_status enable_link_dp_mst(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx)
-{
-	struct dc_link *link = pipe_ctx->stream->link;
-
-	/* sink signal type after MST branch is MST. Multiple MST sinks
-	 * share one link. Link DP PHY is enable or training only once.
-	 */
-	if (link->link_status.link_active)
-		return DC_OK;
-
-	/* clear payload table */
-	dm_helpers_dp_mst_clear_payload_allocation_table(link->ctx, link);
-
-	/* to make sure the pending down rep can be processed
-	 * before enabling the link
-	 */
-	dm_helpers_dp_mst_poll_pending_down_reply(link->ctx, link);
-
-	/* set the sink to MST mode before enabling the link */
-	dp_enable_mst_on_sink(link, true);
-
-	return enable_link_dp(state, pipe_ctx);
-}
-
-void dc_link_blank_all_dp_displays(struct dc *dc)
-{
-	unsigned int i;
-	uint8_t dpcd_power_state = '\0';
-	enum dc_status status = DC_ERROR_UNEXPECTED;
-
-	for (i = 0; i < dc->link_count; i++) {
-		if ((dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT) ||
-			(dc->links[i]->priv == NULL) || (dc->links[i]->local_sink == NULL))
-			continue;
-
-		/* DP 2.0 spec requires that we read LTTPR caps first */
-		dp_retrieve_lttpr_cap(dc->links[i]);
-		/* if any of the displays are lit up turn them off */
-		status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
-							&dpcd_power_state, sizeof(dpcd_power_state));
-
-		if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0)
-			dc_link_blank_dp_stream(dc->links[i], true);
-	}
-
-}
-
-void dc_link_blank_all_edp_displays(struct dc *dc)
-{
-	unsigned int i;
-	uint8_t dpcd_power_state = '\0';
-	enum dc_status status = DC_ERROR_UNEXPECTED;
-
-	for (i = 0; i < dc->link_count; i++) {
-		if ((dc->links[i]->connector_signal != SIGNAL_TYPE_EDP) ||
-			(!dc->links[i]->edp_sink_present))
-			continue;
-
-		/* if any of the displays are lit up turn them off */
-		status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
-							&dpcd_power_state, sizeof(dpcd_power_state));
-
-		if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0)
-			dc_link_blank_dp_stream(dc->links[i], true);
-	}
-}
-
-void dc_link_blank_dp_stream(struct dc_link *link, bool hw_init)
-{
-	unsigned int j;
-	struct dc  *dc = link->ctx->dc;
-	enum signal_type signal = link->connector_signal;
-
-	if ((signal == SIGNAL_TYPE_EDP) ||
-		(signal == SIGNAL_TYPE_DISPLAY_PORT)) {
-		if (link->ep_type == DISPLAY_ENDPOINT_PHY &&
-			link->link_enc->funcs->get_dig_frontend &&
-			link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
-			unsigned int fe = link->link_enc->funcs->get_dig_frontend(link->link_enc);
-
-			if (fe != ENGINE_ID_UNKNOWN)
-				for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
-					if (fe == dc->res_pool->stream_enc[j]->id) {
-						dc->res_pool->stream_enc[j]->funcs->dp_blank(link,
-									dc->res_pool->stream_enc[j]);
-						break;
-					}
-				}
-		}
-
-		if ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)
-			dc_link_dp_receiver_power_ctrl(link, false);
-	}
-}
-
-static bool get_ext_hdmi_settings(struct pipe_ctx *pipe_ctx,
-		enum engine_id eng_id,
-		struct ext_hdmi_settings *settings)
-{
-	bool result = false;
-	int i = 0;
-	struct integrated_info *integrated_info =
-			pipe_ctx->stream->ctx->dc_bios->integrated_info;
-
-	if (integrated_info == NULL)
-		return false;
-
-	/*
-	 * Get retimer settings from sbios for passing SI eye test for DCE11
-	 * The setting values are varied based on board revision and port id
-	 * Therefore the setting values of each ports is passed by sbios.
-	 */
-
-	// Check if current bios contains ext Hdmi settings
-	if (integrated_info->gpu_cap_info & 0x20) {
-		switch (eng_id) {
-		case ENGINE_ID_DIGA:
-			settings->slv_addr = integrated_info->dp0_ext_hdmi_slv_addr;
-			settings->reg_num = integrated_info->dp0_ext_hdmi_6g_reg_num;
-			settings->reg_num_6g = integrated_info->dp0_ext_hdmi_6g_reg_num;
-			memmove(settings->reg_settings,
-					integrated_info->dp0_ext_hdmi_reg_settings,
-					sizeof(integrated_info->dp0_ext_hdmi_reg_settings));
-			memmove(settings->reg_settings_6g,
-					integrated_info->dp0_ext_hdmi_6g_reg_settings,
-					sizeof(integrated_info->dp0_ext_hdmi_6g_reg_settings));
-			result = true;
-			break;
-		case ENGINE_ID_DIGB:
-			settings->slv_addr = integrated_info->dp1_ext_hdmi_slv_addr;
-			settings->reg_num = integrated_info->dp1_ext_hdmi_6g_reg_num;
-			settings->reg_num_6g = integrated_info->dp1_ext_hdmi_6g_reg_num;
-			memmove(settings->reg_settings,
-					integrated_info->dp1_ext_hdmi_reg_settings,
-					sizeof(integrated_info->dp1_ext_hdmi_reg_settings));
-			memmove(settings->reg_settings_6g,
-					integrated_info->dp1_ext_hdmi_6g_reg_settings,
-					sizeof(integrated_info->dp1_ext_hdmi_6g_reg_settings));
-			result = true;
-			break;
-		case ENGINE_ID_DIGC:
-			settings->slv_addr = integrated_info->dp2_ext_hdmi_slv_addr;
-			settings->reg_num = integrated_info->dp2_ext_hdmi_6g_reg_num;
-			settings->reg_num_6g = integrated_info->dp2_ext_hdmi_6g_reg_num;
-			memmove(settings->reg_settings,
-					integrated_info->dp2_ext_hdmi_reg_settings,
-					sizeof(integrated_info->dp2_ext_hdmi_reg_settings));
-			memmove(settings->reg_settings_6g,
-					integrated_info->dp2_ext_hdmi_6g_reg_settings,
-					sizeof(integrated_info->dp2_ext_hdmi_6g_reg_settings));
-			result = true;
-			break;
-		case ENGINE_ID_DIGD:
-			settings->slv_addr = integrated_info->dp3_ext_hdmi_slv_addr;
-			settings->reg_num = integrated_info->dp3_ext_hdmi_6g_reg_num;
-			settings->reg_num_6g = integrated_info->dp3_ext_hdmi_6g_reg_num;
-			memmove(settings->reg_settings,
-					integrated_info->dp3_ext_hdmi_reg_settings,
-					sizeof(integrated_info->dp3_ext_hdmi_reg_settings));
-			memmove(settings->reg_settings_6g,
-					integrated_info->dp3_ext_hdmi_6g_reg_settings,
-					sizeof(integrated_info->dp3_ext_hdmi_6g_reg_settings));
-			result = true;
-			break;
-		default:
-			break;
-		}
-
-		if (result == true) {
-			// Validate settings from bios integrated info table
-			if (settings->slv_addr == 0)
-				return false;
-			if (settings->reg_num > 9)
-				return false;
-			if (settings->reg_num_6g > 3)
-				return false;
-
-			for (i = 0; i < settings->reg_num; i++) {
-				if (settings->reg_settings[i].i2c_reg_index > 0x20)
-					return false;
-			}
-
-			for (i = 0; i < settings->reg_num_6g; i++) {
-				if (settings->reg_settings_6g[i].i2c_reg_index > 0x20)
-					return false;
-			}
-		}
-	}
-
-	return result;
-}
-
-static bool i2c_write(struct pipe_ctx *pipe_ctx,
-		uint8_t address, uint8_t *buffer, uint32_t length)
-{
-	struct i2c_command cmd = {0};
-	struct i2c_payload payload = {0};
-
-	memset(&payload, 0, sizeof(payload));
-	memset(&cmd, 0, sizeof(cmd));
-
-	cmd.number_of_payloads = 1;
-	cmd.engine = I2C_COMMAND_ENGINE_DEFAULT;
-	cmd.speed = pipe_ctx->stream->ctx->dc->caps.i2c_speed_in_khz;
-
-	payload.address = address;
-	payload.data = buffer;
-	payload.length = length;
-	payload.write = true;
-	cmd.payloads = &payload;
-
-	if (dm_helpers_submit_i2c(pipe_ctx->stream->ctx,
-			pipe_ctx->stream->link, &cmd))
-		return true;
-
-	return false;
-}
-
-static void write_i2c_retimer_setting(
-		struct pipe_ctx *pipe_ctx,
-		bool is_vga_mode,
-		bool is_over_340mhz,
-		struct ext_hdmi_settings *settings)
-{
-	uint8_t slave_address = (settings->slv_addr >> 1);
-	uint8_t buffer[2];
-	const uint8_t apply_rx_tx_change = 0x4;
-	uint8_t offset = 0xA;
-	uint8_t value = 0;
-	int i = 0;
-	bool i2c_success = false;
-	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
-
-	memset(&buffer, 0, sizeof(buffer));
-
-	/* Start Ext-Hdmi programming*/
-
-	for (i = 0; i < settings->reg_num; i++) {
-		/* Apply 3G settings */
-		if (settings->reg_settings[i].i2c_reg_index <= 0x20) {
-
-			buffer[0] = settings->reg_settings[i].i2c_reg_index;
-			buffer[1] = settings->reg_settings[i].i2c_reg_val;
-			i2c_success = i2c_write(pipe_ctx, slave_address,
-						buffer, sizeof(buffer));
-			RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
-				offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
-				slave_address, buffer[0], buffer[1], i2c_success?1:0);
-
-			if (!i2c_success)
-				goto i2c_write_fail;
-
-			/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
-			 * needs to be set to 1 on every 0xA-0xC write.
-			 */
-			if (settings->reg_settings[i].i2c_reg_index == 0xA ||
-				settings->reg_settings[i].i2c_reg_index == 0xB ||
-				settings->reg_settings[i].i2c_reg_index == 0xC) {
-
-				/* Query current value from offset 0xA */
-				if (settings->reg_settings[i].i2c_reg_index == 0xA)
-					value = settings->reg_settings[i].i2c_reg_val;
-				else {
-					i2c_success =
-						link_query_ddc_data(
-						pipe_ctx->stream->link->ddc,
-						slave_address, &offset, 1, &value, 1);
-					if (!i2c_success)
-						goto i2c_write_fail;
-				}
-
-				buffer[0] = offset;
-				/* Set APPLY_RX_TX_CHANGE bit to 1 */
-				buffer[1] = value | apply_rx_tx_change;
-				i2c_success = i2c_write(pipe_ctx, slave_address,
-						buffer, sizeof(buffer));
-				RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
-					offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-					slave_address, buffer[0], buffer[1], i2c_success?1:0);
-				if (!i2c_success)
-					goto i2c_write_fail;
-			}
-		}
-	}
-
-	/* Apply 3G settings */
-	if (is_over_340mhz) {
-		for (i = 0; i < settings->reg_num_6g; i++) {
-			/* Apply 3G settings */
-			if (settings->reg_settings[i].i2c_reg_index <= 0x20) {
-
-				buffer[0] = settings->reg_settings_6g[i].i2c_reg_index;
-				buffer[1] = settings->reg_settings_6g[i].i2c_reg_val;
-				i2c_success = i2c_write(pipe_ctx, slave_address,
-							buffer, sizeof(buffer));
-				RETIMER_REDRIVER_INFO("above 340Mhz: retimer write to slave_address = 0x%x,\
-					offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-					slave_address, buffer[0], buffer[1], i2c_success?1:0);
-
-				if (!i2c_success)
-					goto i2c_write_fail;
-
-				/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
-				 * needs to be set to 1 on every 0xA-0xC write.
-				 */
-				if (settings->reg_settings_6g[i].i2c_reg_index == 0xA ||
-					settings->reg_settings_6g[i].i2c_reg_index == 0xB ||
-					settings->reg_settings_6g[i].i2c_reg_index == 0xC) {
-
-					/* Query current value from offset 0xA */
-					if (settings->reg_settings_6g[i].i2c_reg_index == 0xA)
-						value = settings->reg_settings_6g[i].i2c_reg_val;
-					else {
-						i2c_success =
-								link_query_ddc_data(
-								pipe_ctx->stream->link->ddc,
-								slave_address, &offset, 1, &value, 1);
-						if (!i2c_success)
-							goto i2c_write_fail;
-					}
-
-					buffer[0] = offset;
-					/* Set APPLY_RX_TX_CHANGE bit to 1 */
-					buffer[1] = value | apply_rx_tx_change;
-					i2c_success = i2c_write(pipe_ctx, slave_address,
-							buffer, sizeof(buffer));
-					RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
-						offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-						slave_address, buffer[0], buffer[1], i2c_success?1:0);
-					if (!i2c_success)
-						goto i2c_write_fail;
-				}
-			}
-		}
-	}
-
-	if (is_vga_mode) {
-		/* Program additional settings if using 640x480 resolution */
-
-		/* Write offset 0xFF to 0x01 */
-		buffer[0] = 0xff;
-		buffer[1] = 0x01;
-		i2c_success = i2c_write(pipe_ctx, slave_address,
-				buffer, sizeof(buffer));
-		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
-				offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-				slave_address, buffer[0], buffer[1], i2c_success?1:0);
-		if (!i2c_success)
-			goto i2c_write_fail;
-
-		/* Write offset 0x00 to 0x23 */
-		buffer[0] = 0x00;
-		buffer[1] = 0x23;
-		i2c_success = i2c_write(pipe_ctx, slave_address,
-				buffer, sizeof(buffer));
-		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
-			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-			slave_address, buffer[0], buffer[1], i2c_success?1:0);
-		if (!i2c_success)
-			goto i2c_write_fail;
-
-		/* Write offset 0xff to 0x00 */
-		buffer[0] = 0xff;
-		buffer[1] = 0x00;
-		i2c_success = i2c_write(pipe_ctx, slave_address,
-				buffer, sizeof(buffer));
-		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
-			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-			slave_address, buffer[0], buffer[1], i2c_success?1:0);
-		if (!i2c_success)
-			goto i2c_write_fail;
-
-	}
-
-	return;
-
-i2c_write_fail:
-	DC_LOG_DEBUG("Set retimer failed");
-}
-
-static void write_i2c_default_retimer_setting(
-		struct pipe_ctx *pipe_ctx,
-		bool is_vga_mode,
-		bool is_over_340mhz)
-{
-	uint8_t slave_address = (0xBA >> 1);
-	uint8_t buffer[2];
-	bool i2c_success = false;
-	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
-
-	memset(&buffer, 0, sizeof(buffer));
-
-	/* Program Slave Address for tuning single integrity */
-	/* Write offset 0x0A to 0x13 */
-	buffer[0] = 0x0A;
-	buffer[1] = 0x13;
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-			buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("retimer writes default setting to slave_address = 0x%x,\
-		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-		slave_address, buffer[0], buffer[1], i2c_success?1:0);
-	if (!i2c_success)
-		goto i2c_write_fail;
-
-	/* Write offset 0x0A to 0x17 */
-	buffer[0] = 0x0A;
-	buffer[1] = 0x17;
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-			buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-		slave_address, buffer[0], buffer[1], i2c_success?1:0);
-	if (!i2c_success)
-		goto i2c_write_fail;
-
-	/* Write offset 0x0B to 0xDA or 0xD8 */
-	buffer[0] = 0x0B;
-	buffer[1] = is_over_340mhz ? 0xDA : 0xD8;
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-			buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-		slave_address, buffer[0], buffer[1], i2c_success?1:0);
-	if (!i2c_success)
-		goto i2c_write_fail;
-
-	/* Write offset 0x0A to 0x17 */
-	buffer[0] = 0x0A;
-	buffer[1] = 0x17;
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-			buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-		offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
-		slave_address, buffer[0], buffer[1], i2c_success?1:0);
-	if (!i2c_success)
-		goto i2c_write_fail;
-
-	/* Write offset 0x0C to 0x1D or 0x91 */
-	buffer[0] = 0x0C;
-	buffer[1] = is_over_340mhz ? 0x1D : 0x91;
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-			buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-		slave_address, buffer[0], buffer[1], i2c_success?1:0);
-	if (!i2c_success)
-		goto i2c_write_fail;
-
-	/* Write offset 0x0A to 0x17 */
-	buffer[0] = 0x0A;
-	buffer[1] = 0x17;
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-			buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-		slave_address, buffer[0], buffer[1], i2c_success?1:0);
-	if (!i2c_success)
-		goto i2c_write_fail;
-
-
-	if (is_vga_mode) {
-		/* Program additional settings if using 640x480 resolution */
-
-		/* Write offset 0xFF to 0x01 */
-		buffer[0] = 0xff;
-		buffer[1] = 0x01;
-		i2c_success = i2c_write(pipe_ctx, slave_address,
-				buffer, sizeof(buffer));
-		RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
-			slave_address, buffer[0], buffer[1], i2c_success?1:0);
-		if (!i2c_success)
-			goto i2c_write_fail;
-
-		/* Write offset 0x00 to 0x23 */
-		buffer[0] = 0x00;
-		buffer[1] = 0x23;
-		i2c_success = i2c_write(pipe_ctx, slave_address,
-				buffer, sizeof(buffer));
-		RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
-			offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
-			slave_address, buffer[0], buffer[1], i2c_success?1:0);
-		if (!i2c_success)
-			goto i2c_write_fail;
-
-		/* Write offset 0xff to 0x00 */
-		buffer[0] = 0xff;
-		buffer[1] = 0x00;
-		i2c_success = i2c_write(pipe_ctx, slave_address,
-				buffer, sizeof(buffer));
-		RETIMER_REDRIVER_INFO("retimer write default setting to slave_addr = 0x%x,\
-			offset = 0x%x, reg_val= 0x%x, i2c_success = %d end here\n",
-			slave_address, buffer[0], buffer[1], i2c_success?1:0);
-		if (!i2c_success)
-			goto i2c_write_fail;
-	}
-
-	return;
-
-i2c_write_fail:
-	DC_LOG_DEBUG("Set default retimer failed");
-}
-
-static void write_i2c_redriver_setting(
-		struct pipe_ctx *pipe_ctx,
-		bool is_over_340mhz)
-{
-	uint8_t slave_address = (0xF0 >> 1);
-	uint8_t buffer[16];
-	bool i2c_success = false;
-	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
-
-	memset(&buffer, 0, sizeof(buffer));
-
-	// Program Slave Address for tuning single integrity
-	buffer[3] = 0x4E;
-	buffer[4] = 0x4E;
-	buffer[5] = 0x4E;
-	buffer[6] = is_over_340mhz ? 0x4E : 0x4A;
-
-	i2c_success = i2c_write(pipe_ctx, slave_address,
-					buffer, sizeof(buffer));
-	RETIMER_REDRIVER_INFO("redriver write 0 to all 16 reg offset expect following:\n\
-		\t slave_addr = 0x%x, offset[3] = 0x%x, offset[4] = 0x%x,\
-		offset[5] = 0x%x,offset[6] is_over_340mhz = 0x%x,\
-		i2c_success = %d\n",
-		slave_address, buffer[3], buffer[4], buffer[5], buffer[6], i2c_success?1:0);
-
-	if (!i2c_success)
-		DC_LOG_DEBUG("Set redriver failed");
-}
-
-static void disable_link(struct dc_link *link, const struct link_resource *link_res,
-		enum signal_type signal)
-{
-	/*
-	 * TODO: implement call for dp_set_hw_test_pattern
-	 * it is needed for compliance testing
-	 */
-
-	/* Here we need to specify that encoder output settings
-	 * need to be calculated as for the set mode,
-	 * it will lead to querying dynamic link capabilities
-	 * which should be done before enable output
-	 */
-
-	if (dc_is_dp_signal(signal)) {
-		/* SST DP, eDP */
-		struct dc_link_settings link_settings = link->cur_link_settings;
-		if (dc_is_dp_sst_signal(signal))
-			dp_disable_link_phy(link, link_res, signal);
-		else
-			dp_disable_link_phy_mst(link, link_res, signal);
-
-		if (dc_is_dp_sst_signal(signal) ||
-				link->mst_stream_alloc_table.stream_count == 0) {
-			if (link_dp_get_encoding_format(&link_settings) == DP_8b_10b_ENCODING) {
-				dp_set_fec_enable(link, false);
-				dp_set_fec_ready(link, link_res, false);
-			}
-		}
-	} else if (signal != SIGNAL_TYPE_VIRTUAL) {
-		link->dc->hwss.disable_link_output(link, link_res, signal);
-	}
-
-	if (signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
-		/* MST disable link only when no stream use the link */
-		if (link->mst_stream_alloc_table.stream_count <= 0)
-			link->link_status.link_active = false;
-	} else {
-		link->link_status.link_active = false;
-	}
-}
-
-static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	enum dc_color_depth display_color_depth;
-	enum engine_id eng_id;
-	struct ext_hdmi_settings settings = {0};
-	bool is_over_340mhz = false;
-	bool is_vga_mode = (stream->timing.h_addressable == 640)
-			&& (stream->timing.v_addressable == 480);
-	struct dc *dc = pipe_ctx->stream->ctx->dc;
-
-	if (stream->phy_pix_clk == 0)
-		stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10;
-	if (stream->phy_pix_clk > 340000)
-		is_over_340mhz = true;
-
-	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
-		unsigned short masked_chip_caps = pipe_ctx->stream->link->chip_caps &
-				EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
-		if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
-			/* DP159, Retimer settings */
-			eng_id = pipe_ctx->stream_res.stream_enc->id;
-
-			if (get_ext_hdmi_settings(pipe_ctx, eng_id, &settings)) {
-				write_i2c_retimer_setting(pipe_ctx,
-						is_vga_mode, is_over_340mhz, &settings);
-			} else {
-				write_i2c_default_retimer_setting(pipe_ctx,
-						is_vga_mode, is_over_340mhz);
-			}
-		} else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
-			/* PI3EQX1204, Redriver settings */
-			write_i2c_redriver_setting(pipe_ctx, is_over_340mhz);
-		}
-	}
-
-	if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
-		write_scdc_data(
-			stream->link->ddc,
-			stream->phy_pix_clk,
-			stream->timing.flags.LTE_340MCSC_SCRAMBLE);
-
-	memset(&stream->link->cur_link_settings, 0,
-			sizeof(struct dc_link_settings));
-
-	display_color_depth = stream->timing.display_color_depth;
-	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
-		display_color_depth = COLOR_DEPTH_888;
-
-	dc->hwss.enable_tmds_link_output(
-			link,
-			&pipe_ctx->link_res,
-			pipe_ctx->stream->signal,
-			pipe_ctx->clock_source->id,
-			display_color_depth,
-			stream->phy_pix_clk);
-
-	if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
-		read_scdc_data(link->ddc);
-}
-
-static void enable_link_lvds(struct pipe_ctx *pipe_ctx)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	struct dc *dc = stream->ctx->dc;
-
-	if (stream->phy_pix_clk == 0)
-		stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10;
-
-	memset(&stream->link->cur_link_settings, 0,
-			sizeof(struct dc_link_settings));
-	dc->hwss.enable_lvds_link_output(
-			link,
-			&pipe_ctx->link_res,
-			pipe_ctx->clock_source->id,
-			stream->phy_pix_clk);
-
-}
-
-/****************************enable_link***********************************/
-static enum dc_status enable_link(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx)
-{
-	enum dc_status status = DC_ERROR_UNEXPECTED;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-
-	/* There's some scenarios where driver is unloaded with display
-	 * still enabled. When driver is reloaded, it may cause a display
-	 * to not light up if there is a mismatch between old and new
-	 * link settings. Need to call disable first before enabling at
-	 * new link settings.
-	 */
-	if (link->link_status.link_active) {
-		disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
-	}
-
-	switch (pipe_ctx->stream->signal) {
-	case SIGNAL_TYPE_DISPLAY_PORT:
-		status = enable_link_dp(state, pipe_ctx);
-		break;
-	case SIGNAL_TYPE_EDP:
-		status = enable_link_edp(state, pipe_ctx);
-		break;
-	case SIGNAL_TYPE_DISPLAY_PORT_MST:
-		status = enable_link_dp_mst(state, pipe_ctx);
-		msleep(200);
-		break;
-	case SIGNAL_TYPE_DVI_SINGLE_LINK:
-	case SIGNAL_TYPE_DVI_DUAL_LINK:
-	case SIGNAL_TYPE_HDMI_TYPE_A:
-		enable_link_hdmi(pipe_ctx);
-		status = DC_OK;
-		break;
-	case SIGNAL_TYPE_LVDS:
-		enable_link_lvds(pipe_ctx);
-		status = DC_OK;
-		break;
-	case SIGNAL_TYPE_VIRTUAL:
-		status = DC_OK;
-		break;
-	default:
-		break;
-	}
-
-	if (status == DC_OK)
-		pipe_ctx->stream->link->link_status.link_active = true;
-
-	return status;
-}
-
-static uint32_t get_timing_pixel_clock_100hz(const struct dc_crtc_timing *timing)
-{
-
-	uint32_t pxl_clk = timing->pix_clk_100hz;
-
-	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
-		pxl_clk /= 2;
-	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
-		pxl_clk = pxl_clk * 2 / 3;
-
-	if (timing->display_color_depth == COLOR_DEPTH_101010)
-		pxl_clk = pxl_clk * 10 / 8;
-	else if (timing->display_color_depth == COLOR_DEPTH_121212)
-		pxl_clk = pxl_clk * 12 / 8;
-
-	return pxl_clk;
-}
-
-static bool dp_active_dongle_validate_timing(
-		const struct dc_crtc_timing *timing,
-		const struct dpcd_caps *dpcd_caps)
-{
-	const struct dc_dongle_caps *dongle_caps = &dpcd_caps->dongle_caps;
-
-	switch (dpcd_caps->dongle_type) {
-	case DISPLAY_DONGLE_DP_VGA_CONVERTER:
-	case DISPLAY_DONGLE_DP_DVI_CONVERTER:
-	case DISPLAY_DONGLE_DP_DVI_DONGLE:
-		if (timing->pixel_encoding == PIXEL_ENCODING_RGB)
-			return true;
-		else
-			return false;
-	default:
-		break;
-	}
-
-	if (dpcd_caps->dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER &&
-			dongle_caps->extendedCapValid == true) {
-		/* Check Pixel Encoding */
-		switch (timing->pixel_encoding) {
-		case PIXEL_ENCODING_RGB:
-		case PIXEL_ENCODING_YCBCR444:
-			break;
-		case PIXEL_ENCODING_YCBCR422:
-			if (!dongle_caps->is_dp_hdmi_ycbcr422_pass_through)
-				return false;
-			break;
-		case PIXEL_ENCODING_YCBCR420:
-			if (!dongle_caps->is_dp_hdmi_ycbcr420_pass_through)
-				return false;
-			break;
-		default:
-			/* Invalid Pixel Encoding*/
-			return false;
-		}
-
-		switch (timing->display_color_depth) {
-		case COLOR_DEPTH_666:
-		case COLOR_DEPTH_888:
-			/*888 and 666 should always be supported*/
-			break;
-		case COLOR_DEPTH_101010:
-			if (dongle_caps->dp_hdmi_max_bpc < 10)
-				return false;
-			break;
-		case COLOR_DEPTH_121212:
-			if (dongle_caps->dp_hdmi_max_bpc < 12)
-				return false;
-			break;
-		case COLOR_DEPTH_141414:
-		case COLOR_DEPTH_161616:
-		default:
-			/* These color depths are currently not supported */
-			return false;
-		}
-
-		/* Check 3D format */
-		switch (timing->timing_3d_format) {
-		case TIMING_3D_FORMAT_NONE:
-		case TIMING_3D_FORMAT_FRAME_ALTERNATE:
-			/*Only frame alternate 3D is supported on active dongle*/
-			break;
-		default:
-			/*other 3D formats are not supported due to bad infoframe translation */
-			return false;
-		}
-
-#if defined(CONFIG_DRM_AMD_DC_DCN)
-		if (dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps > 0) { // DP to HDMI FRL converter
-			struct dc_crtc_timing outputTiming = *timing;
-
-			if (timing->flags.DSC && !timing->dsc_cfg.is_frl)
-				/* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */
-				outputTiming.flags.DSC = 0;
-			if (dc_bandwidth_in_kbps_from_timing(&outputTiming) > dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps)
-				return false;
-		} else { // DP to HDMI TMDS converter
-			if (get_timing_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10))
-				return false;
-		}
-#else
-		if (get_timing_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10))
-			return false;
-#endif
-	}
-
-	if (dpcd_caps->channel_coding_cap.bits.DP_128b_132b_SUPPORTED == 0 &&
-			dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_PASSTHROUGH_SUPPORT == 0 &&
-			dongle_caps->dfp_cap_ext.supported) {
-
-		if (dongle_caps->dfp_cap_ext.max_pixel_rate_in_mps < (timing->pix_clk_100hz / 10000))
-			return false;
-
-		if (dongle_caps->dfp_cap_ext.max_video_h_active_width < timing->h_addressable)
-			return false;
-
-		if (dongle_caps->dfp_cap_ext.max_video_v_active_height < timing->v_addressable)
-			return false;
-
-		if (timing->pixel_encoding == PIXEL_ENCODING_RGB) {
-			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
-				return false;
-			if (timing->display_color_depth == COLOR_DEPTH_666 &&
-					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_6bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_888 &&
-					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_8bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
-					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_10bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
-					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_12bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
-					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_16bpc)
-				return false;
-		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR444) {
-			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
-				return false;
-			if (timing->display_color_depth == COLOR_DEPTH_888 &&
-					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_8bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
-					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_10bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
-					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_12bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
-					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_16bpc)
-				return false;
-		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
-			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
-				return false;
-			if (timing->display_color_depth == COLOR_DEPTH_888 &&
-					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_8bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
-					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_10bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
-					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_12bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
-					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_16bpc)
-				return false;
-		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) {
-			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
-				return false;
-			if (timing->display_color_depth == COLOR_DEPTH_888 &&
-					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_8bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
-					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_10bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
-					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_12bpc)
-				return false;
-			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
-					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_16bpc)
-				return false;
-		}
-	}
-
-	return true;
-}
-
-enum dc_status dc_link_validate_mode_timing(
-		const struct dc_stream_state *stream,
-		struct dc_link *link,
-		const struct dc_crtc_timing *timing)
-{
-	uint32_t max_pix_clk = stream->link->dongle_max_pix_clk * 10;
-	struct dpcd_caps *dpcd_caps = &link->dpcd_caps;
-
-	/* A hack to avoid failing any modes for EDID override feature on
-	 * topology change such as lower quality cable for DP or different dongle
-	 */
-	if (link->remote_sinks[0] && link->remote_sinks[0]->sink_signal == SIGNAL_TYPE_VIRTUAL)
-		return DC_OK;
-
-	/* Passive Dongle */
-	if (max_pix_clk != 0 && get_timing_pixel_clock_100hz(timing) > max_pix_clk)
-		return DC_EXCEED_DONGLE_CAP;
-
-	/* Active Dongle*/
-	if (!dp_active_dongle_validate_timing(timing, dpcd_caps))
-		return DC_EXCEED_DONGLE_CAP;
-
-	switch (stream->signal) {
-	case SIGNAL_TYPE_EDP:
-	case SIGNAL_TYPE_DISPLAY_PORT:
-		if (!dp_validate_mode_timing(
-				link,
-				timing))
-			return DC_NO_DP_LINK_BANDWIDTH;
-		break;
-
-	default:
-		break;
-	}
-
-	return DC_OK;
-}
-
-const struct dc_link_status *dc_link_get_status(const struct dc_link *link)
-{
-	return &link->link_status;
-}
-
-void core_link_resume(struct dc_link *link)
-{
-	if (link->connector_signal != SIGNAL_TYPE_VIRTUAL)
-		program_hpd_filter(link);
-}
-
-static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
-{
-	struct fixed31_32 mbytes_per_sec;
-	uint32_t link_rate_in_mbytes_per_sec = dc_link_bandwidth_kbps(stream->link,
-			&stream->link->cur_link_settings);
-	link_rate_in_mbytes_per_sec /= 8000; /* Kbits to MBytes */
-
-	mbytes_per_sec = dc_fixpt_from_int(link_rate_in_mbytes_per_sec);
-
-	return dc_fixpt_div_int(mbytes_per_sec, 54);
-}
-
-static struct fixed31_32 get_pbn_from_bw_in_kbps(uint64_t kbps)
-{
-	struct fixed31_32 peak_kbps;
-	uint32_t numerator = 0;
-	uint32_t denominator = 1;
-
-	/*
-	 * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006
-	 * The unit of 54/64Mbytes/sec is an arbitrary unit chosen based on
-	 * common multiplier to render an integer PBN for all link rate/lane
-	 * counts combinations
-	 * calculate
-	 * peak_kbps *= (1006/1000)
-	 * peak_kbps *= (64/54)
-	 * peak_kbps *= 8    convert to bytes
-	 */
-
-	numerator = 64 * PEAK_FACTOR_X1000;
-	denominator = 54 * 8 * 1000 * 1000;
-	kbps *= numerator;
-	peak_kbps = dc_fixpt_from_fraction(kbps, denominator);
-
-	return peak_kbps;
-}
-
-static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
-{
-	uint64_t kbps;
-
-	kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing);
-	return get_pbn_from_bw_in_kbps(kbps);
-}
-
-static void update_mst_stream_alloc_table(
-	struct dc_link *link,
-	struct stream_encoder *stream_enc,
-	struct hpo_dp_stream_encoder *hpo_dp_stream_enc, // TODO: Rename stream_enc to dio_stream_enc?
-	const struct dc_dp_mst_stream_allocation_table *proposed_table)
-{
-	struct link_mst_stream_allocation work_table[MAX_CONTROLLER_NUM] = { 0 };
-	struct link_mst_stream_allocation *dc_alloc;
-
-	int i;
-	int j;
-
-	/* if DRM proposed_table has more than one new payload */
-	ASSERT(proposed_table->stream_count -
-			link->mst_stream_alloc_table.stream_count < 2);
-
-	/* copy proposed_table to link, add stream encoder */
-	for (i = 0; i < proposed_table->stream_count; i++) {
-
-		for (j = 0; j < link->mst_stream_alloc_table.stream_count; j++) {
-			dc_alloc =
-			&link->mst_stream_alloc_table.stream_allocations[j];
-
-			if (dc_alloc->vcp_id ==
-				proposed_table->stream_allocations[i].vcp_id) {
-
-				work_table[i] = *dc_alloc;
-				work_table[i].slot_count = proposed_table->stream_allocations[i].slot_count;
-				break; /* exit j loop */
-			}
-		}
-
-		/* new vcp_id */
-		if (j == link->mst_stream_alloc_table.stream_count) {
-			work_table[i].vcp_id =
-				proposed_table->stream_allocations[i].vcp_id;
-			work_table[i].slot_count =
-				proposed_table->stream_allocations[i].slot_count;
-			work_table[i].stream_enc = stream_enc;
-			work_table[i].hpo_dp_stream_enc = hpo_dp_stream_enc;
-		}
-	}
-
-	/* update link->mst_stream_alloc_table with work_table */
-	link->mst_stream_alloc_table.stream_count =
-			proposed_table->stream_count;
-	for (i = 0; i < MAX_CONTROLLER_NUM; i++)
-		link->mst_stream_alloc_table.stream_allocations[i] =
-				work_table[i];
-}
-
-static void remove_stream_from_alloc_table(
-		struct dc_link *link,
-		struct stream_encoder *dio_stream_enc,
-		struct hpo_dp_stream_encoder *hpo_dp_stream_enc)
-{
-	int i = 0;
-	struct link_mst_stream_allocation_table *table =
-			&link->mst_stream_alloc_table;
-
-	if (hpo_dp_stream_enc) {
-		for (; i < table->stream_count; i++)
-			if (hpo_dp_stream_enc == table->stream_allocations[i].hpo_dp_stream_enc)
-				break;
-	} else {
-		for (; i < table->stream_count; i++)
-			if (dio_stream_enc == table->stream_allocations[i].stream_enc)
-				break;
-	}
-
-	if (i < table->stream_count) {
-		i++;
-		for (; i < table->stream_count; i++)
-			table->stream_allocations[i-1] = table->stream_allocations[i];
-		memset(&table->stream_allocations[table->stream_count-1], 0,
-				sizeof(struct link_mst_stream_allocation));
-		table->stream_count--;
-	}
-}
-
-static void dc_log_vcp_x_y(const struct dc_link *link, struct fixed31_32 avg_time_slots_per_mtp)
-{
-	const uint32_t VCP_Y_PRECISION = 1000;
-	uint64_t vcp_x, vcp_y;
-
-	// Add 0.5*(1/VCP_Y_PRECISION) to round up to decimal precision
-	avg_time_slots_per_mtp = dc_fixpt_add(
-			avg_time_slots_per_mtp, dc_fixpt_from_fraction(1, 2 * VCP_Y_PRECISION));
-
-	vcp_x = dc_fixpt_floor(avg_time_slots_per_mtp);
-	vcp_y = dc_fixpt_floor(
-			dc_fixpt_mul_int(
-				dc_fixpt_sub_int(avg_time_slots_per_mtp, dc_fixpt_floor(avg_time_slots_per_mtp)),
-				VCP_Y_PRECISION));
-
-	if (link->type == dc_connection_mst_branch)
-		DC_LOG_DP2("MST Update Payload: set_throttled_vcp_size slot X.Y for MST stream "
-				"X: %lld Y: %lld/%d", vcp_x, vcp_y, VCP_Y_PRECISION);
-	else
-		DC_LOG_DP2("SST Update Payload: set_throttled_vcp_size slot X.Y for SST stream "
-				"X: %lld Y: %lld/%d", vcp_x, vcp_y, VCP_Y_PRECISION);
-}
-
-/*
- * Payload allocation/deallocation for SST introduced in DP2.0
- */
-static enum dc_status dc_link_update_sst_payload(struct pipe_ctx *pipe_ctx,
-						 bool allocate)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	struct link_mst_stream_allocation_table proposed_table = {0};
-	struct fixed31_32 avg_time_slots_per_mtp;
-	const struct dc_link_settings empty_link_settings = {0};
-	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	/* slot X.Y for SST payload deallocate */
-	if (!allocate) {
-		avg_time_slots_per_mtp = dc_fixpt_from_int(0);
-
-		dc_log_vcp_x_y(link, avg_time_slots_per_mtp);
-
-		if (link_hwss->ext.set_throttled_vcp_size)
-			link_hwss->ext.set_throttled_vcp_size(pipe_ctx,
-					avg_time_slots_per_mtp);
-		if (link_hwss->ext.set_hblank_min_symbol_width)
-			link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
-					&empty_link_settings,
-					avg_time_slots_per_mtp);
-	}
-
-	/* calculate VC payload and update branch with new payload allocation table*/
-	if (!dpcd_write_128b_132b_sst_payload_allocation_table(
-			stream,
-			link,
-			&proposed_table,
-			allocate)) {
-		DC_LOG_ERROR("SST Update Payload: Failed to update "
-						"allocation table for "
-						"pipe idx: %d\n",
-						pipe_ctx->pipe_idx);
-		return DC_FAIL_DP_PAYLOAD_ALLOCATION;
-	}
-
-	proposed_table.stream_allocations[0].hpo_dp_stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
-
-	ASSERT(proposed_table.stream_count == 1);
-
-	//TODO - DP2.0 Logging: Instead of hpo_dp_stream_enc pointer, log instance id
-	DC_LOG_DP2("SST Update Payload: hpo_dp_stream_enc: %p      "
-		"vcp_id: %d      "
-		"slot_count: %d\n",
-		(void *) proposed_table.stream_allocations[0].hpo_dp_stream_enc,
-		proposed_table.stream_allocations[0].vcp_id,
-		proposed_table.stream_allocations[0].slot_count);
-
-	/* program DP source TX for payload */
-	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
-			&proposed_table);
-
-	/* poll for ACT handled */
-	if (!dpcd_poll_for_allocation_change_trigger(link)) {
-		// Failures will result in blackscreen and errors logged
-		BREAK_TO_DEBUGGER();
-	}
-
-	/* slot X.Y for SST payload allocate */
-	if (allocate && link_dp_get_encoding_format(&link->cur_link_settings) ==
-			DP_128b_132b_ENCODING) {
-		avg_time_slots_per_mtp = calculate_sst_avg_time_slots_per_mtp(stream, link);
-
-		dc_log_vcp_x_y(link, avg_time_slots_per_mtp);
-
-		if (link_hwss->ext.set_throttled_vcp_size)
-			link_hwss->ext.set_throttled_vcp_size(pipe_ctx,
-					avg_time_slots_per_mtp);
-		if (link_hwss->ext.set_hblank_min_symbol_width)
-			link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
-					&link->cur_link_settings,
-					avg_time_slots_per_mtp);
-	}
-
-	/* Always return DC_OK.
-	 * If part of sequence fails, log failure(s) and show blackscreen
-	 */
-	return DC_OK;
-}
-
-/* convert link_mst_stream_alloc_table to dm dp_mst_stream_alloc_table
- * because stream_encoder is not exposed to dm
- */
-enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
-	struct fixed31_32 avg_time_slots_per_mtp;
-	struct fixed31_32 pbn;
-	struct fixed31_32 pbn_per_slot;
-	int i;
-	enum act_return_status ret;
-	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	/* enable_link_dp_mst already check link->enabled_stream_count
-	 * and stream is in link->stream[]. This is called during set mode,
-	 * stream_enc is available.
-	 */
-
-	/* get calculate VC payload for stream: stream_alloc */
-	if (dm_helpers_dp_mst_write_payload_allocation_table(
-		stream->ctx,
-		stream,
-		&proposed_table,
-		true))
-		update_mst_stream_alloc_table(
-					link,
-					pipe_ctx->stream_res.stream_enc,
-					pipe_ctx->stream_res.hpo_dp_stream_enc,
-					&proposed_table);
-	else
-		DC_LOG_WARNING("Failed to update"
-				"MST allocation table for"
-				"pipe idx:%d\n",
-				pipe_ctx->pipe_idx);
-
-	DC_LOG_MST("%s  "
-			"stream_count: %d: \n ",
-			__func__,
-			link->mst_stream_alloc_table.stream_count);
-
-	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
-		DC_LOG_MST("stream_enc[%d]: %p      "
-		"stream[%d].hpo_dp_stream_enc: %p      "
-		"stream[%d].vcp_id: %d      "
-		"stream[%d].slot_count: %d\n",
-		i,
-		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
-		i,
-		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
-		i,
-		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
-		i,
-		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
-	}
-
-	ASSERT(proposed_table.stream_count > 0);
-
-	/* program DP source TX for payload */
-	if (link_hwss->ext.update_stream_allocation_table == NULL ||
-			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
-		DC_LOG_ERROR("Failure: unknown encoding format\n");
-		return DC_ERROR_UNEXPECTED;
-	}
-
-	link_hwss->ext.update_stream_allocation_table(link,
-			&pipe_ctx->link_res,
-			&link->mst_stream_alloc_table);
-
-	/* send down message */
-	ret = dm_helpers_dp_mst_poll_for_allocation_change_trigger(
-			stream->ctx,
-			stream);
-
-	if (ret != ACT_LINK_LOST) {
-		dm_helpers_dp_mst_send_payload_allocation(
-				stream->ctx,
-				stream,
-				true);
-	}
-
-	/* slot X.Y for only current stream */
-	pbn_per_slot = get_pbn_per_slot(stream);
-	if (pbn_per_slot.value == 0) {
-		DC_LOG_ERROR("Failure: pbn_per_slot==0 not allowed. Cannot continue, returning DC_UNSUPPORTED_VALUE.\n");
-		return DC_UNSUPPORTED_VALUE;
-	}
-	pbn = get_pbn_from_timing(pipe_ctx);
-	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
-
-	dc_log_vcp_x_y(link, avg_time_slots_per_mtp);
-
-	if (link_hwss->ext.set_throttled_vcp_size)
-		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
-	if (link_hwss->ext.set_hblank_min_symbol_width)
-		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
-				&link->cur_link_settings,
-				avg_time_slots_per_mtp);
-
-	return DC_OK;
-
-}
-
-enum dc_status dc_link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_in_kbps)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	struct fixed31_32 avg_time_slots_per_mtp;
-	struct fixed31_32 pbn;
-	struct fixed31_32 pbn_per_slot;
-	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
-	uint8_t i;
-	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	/* decrease throttled vcp size */
-	pbn_per_slot = get_pbn_per_slot(stream);
-	pbn = get_pbn_from_bw_in_kbps(bw_in_kbps);
-	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
-
-	if (link_hwss->ext.set_throttled_vcp_size)
-		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
-	if (link_hwss->ext.set_hblank_min_symbol_width)
-		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
-				&link->cur_link_settings,
-				avg_time_slots_per_mtp);
-
-	/* send ALLOCATE_PAYLOAD sideband message with updated pbn */
-	dm_helpers_dp_mst_send_payload_allocation(
-			stream->ctx,
-			stream,
-			true);
-
-	/* notify immediate branch device table update */
-	if (dm_helpers_dp_mst_write_payload_allocation_table(
-			stream->ctx,
-			stream,
-			&proposed_table,
-			true)) {
-		/* update mst stream allocation table software state */
-		update_mst_stream_alloc_table(
-				link,
-				pipe_ctx->stream_res.stream_enc,
-				pipe_ctx->stream_res.hpo_dp_stream_enc,
-				&proposed_table);
-	} else {
-		DC_LOG_WARNING("Failed to update"
-				"MST allocation table for"
-				"pipe idx:%d\n",
-				pipe_ctx->pipe_idx);
-	}
-
-	DC_LOG_MST("%s  "
-			"stream_count: %d: \n ",
-			__func__,
-			link->mst_stream_alloc_table.stream_count);
-
-	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
-		DC_LOG_MST("stream_enc[%d]: %p      "
-				"stream[%d].hpo_dp_stream_enc: %p      "
-				"stream[%d].vcp_id: %d      "
-				"stream[%d].slot_count: %d\n",
-				i,
-				(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
-				i,
-				(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
-				i,
-				link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
-				i,
-				link->mst_stream_alloc_table.stream_allocations[i].slot_count);
-	}
-
-	ASSERT(proposed_table.stream_count > 0);
-
-	/* update mst stream allocation table hardware state */
-	if (link_hwss->ext.update_stream_allocation_table == NULL ||
-			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
-		DC_LOG_ERROR("Failure: unknown encoding format\n");
-		return DC_ERROR_UNEXPECTED;
-	}
-
-	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
-			&link->mst_stream_alloc_table);
-
-	/* poll for immediate branch device ACT handled */
-	dm_helpers_dp_mst_poll_for_allocation_change_trigger(
-			stream->ctx,
-			stream);
-
-	return DC_OK;
-}
-
-enum dc_status dc_link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_in_kbps)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	struct fixed31_32 avg_time_slots_per_mtp;
-	struct fixed31_32 pbn;
-	struct fixed31_32 pbn_per_slot;
-	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
-	uint8_t i;
-	enum act_return_status ret;
-	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	/* notify immediate branch device table update */
-	if (dm_helpers_dp_mst_write_payload_allocation_table(
-				stream->ctx,
-				stream,
-				&proposed_table,
-				true)) {
-		/* update mst stream allocation table software state */
-		update_mst_stream_alloc_table(
-				link,
-				pipe_ctx->stream_res.stream_enc,
-				pipe_ctx->stream_res.hpo_dp_stream_enc,
-				&proposed_table);
-	}
-
-	DC_LOG_MST("%s  "
-			"stream_count: %d: \n ",
-			__func__,
-			link->mst_stream_alloc_table.stream_count);
-
-	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
-		DC_LOG_MST("stream_enc[%d]: %p      "
-				"stream[%d].hpo_dp_stream_enc: %p      "
-				"stream[%d].vcp_id: %d      "
-				"stream[%d].slot_count: %d\n",
-				i,
-				(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
-				i,
-				(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
-				i,
-				link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
-				i,
-				link->mst_stream_alloc_table.stream_allocations[i].slot_count);
-	}
-
-	ASSERT(proposed_table.stream_count > 0);
-
-	/* update mst stream allocation table hardware state */
-	if (link_hwss->ext.update_stream_allocation_table == NULL ||
-			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
-		DC_LOG_ERROR("Failure: unknown encoding format\n");
-		return DC_ERROR_UNEXPECTED;
-	}
-
-	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
-			&link->mst_stream_alloc_table);
-
-	/* poll for immediate branch device ACT handled */
-	ret = dm_helpers_dp_mst_poll_for_allocation_change_trigger(
-			stream->ctx,
-			stream);
-
-	if (ret != ACT_LINK_LOST) {
-		/* send ALLOCATE_PAYLOAD sideband message with updated pbn */
-		dm_helpers_dp_mst_send_payload_allocation(
-				stream->ctx,
-				stream,
-				true);
-	}
-
-	/* increase throttled vcp size */
-	pbn = get_pbn_from_bw_in_kbps(bw_in_kbps);
-	pbn_per_slot = get_pbn_per_slot(stream);
-	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
-
-	if (link_hwss->ext.set_throttled_vcp_size)
-		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
-	if (link_hwss->ext.set_hblank_min_symbol_width)
-		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
-				&link->cur_link_settings,
-				avg_time_slots_per_mtp);
-
-	return DC_OK;
-}
-
-static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
-{
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->link;
-	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
-	struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0);
-	int i;
-	bool mst_mode = (link->type == dc_connection_mst_branch);
-	/* adjust for drm changes*/
-	bool update_drm_mst_state = true;
-	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
-	const struct dc_link_settings empty_link_settings = {0};
-	DC_LOGGER_INIT(link->ctx->logger);
-
-
-	/* deallocate_mst_payload is called before disable link. When mode or
-	 * disable/enable monitor, new stream is created which is not in link
-	 * stream[] yet. For this, payload is not allocated yet, so de-alloc
-	 * should not done. For new mode set, map_resources will get engine
-	 * for new stream, so stream_enc->id should be validated until here.
-	 */
-
-	/* slot X.Y */
-	if (link_hwss->ext.set_throttled_vcp_size)
-		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
-	if (link_hwss->ext.set_hblank_min_symbol_width)
-		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
-				&empty_link_settings,
-				avg_time_slots_per_mtp);
-
-	if (mst_mode || update_drm_mst_state) {
-		/* when link is in mst mode, reply on mst manager to remove
-		 * payload
-		 */
-		if (dm_helpers_dp_mst_write_payload_allocation_table(
-				stream->ctx,
-				stream,
-				&proposed_table,
-				false))
-
-			update_mst_stream_alloc_table(
-					link,
-					pipe_ctx->stream_res.stream_enc,
-					pipe_ctx->stream_res.hpo_dp_stream_enc,
-					&proposed_table);
-		else
-			DC_LOG_WARNING("Failed to update"
-					"MST allocation table for"
-					"pipe idx:%d\n",
-					pipe_ctx->pipe_idx);
-	} else {
-		/* when link is no longer in mst mode (mst hub unplugged),
-		 * remove payload with default dc logic
-		 */
-		remove_stream_from_alloc_table(link, pipe_ctx->stream_res.stream_enc,
-				pipe_ctx->stream_res.hpo_dp_stream_enc);
-	}
-
-	DC_LOG_MST("%s"
-			"stream_count: %d: ",
-			__func__,
-			link->mst_stream_alloc_table.stream_count);
-
-	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
-		DC_LOG_MST("stream_enc[%d]: %p      "
-		"stream[%d].hpo_dp_stream_enc: %p      "
-		"stream[%d].vcp_id: %d      "
-		"stream[%d].slot_count: %d\n",
-		i,
-		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
-		i,
-		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
-		i,
-		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
-		i,
-		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
-	}
-
-	/* update mst stream allocation table hardware state */
-	if (link_hwss->ext.update_stream_allocation_table == NULL ||
-			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
-		DC_LOG_DEBUG("Unknown encoding format\n");
-		return DC_ERROR_UNEXPECTED;
-	}
-
-	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
-			&link->mst_stream_alloc_table);
-
-	if (mst_mode) {
-		dm_helpers_dp_mst_poll_for_allocation_change_trigger(
-			stream->ctx,
-			stream);
-
-		if (!update_drm_mst_state)
-			dm_helpers_dp_mst_send_payload_allocation(
-				stream->ctx,
-				stream,
-				false);
-	}
-
-	if (update_drm_mst_state)
-		dm_helpers_dp_mst_send_payload_allocation(
-			stream->ctx,
-			stream,
-			false);
-
-	return DC_OK;
-}
-
-
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off)
-{
-	struct cp_psp *cp_psp = &pipe_ctx->stream->ctx->cp_psp;
-	struct link_encoder *link_enc = NULL;
-	struct cp_psp_stream_config config = {0};
-	enum dp_panel_mode panel_mode =
-			dp_get_panel_mode(pipe_ctx->stream->link);
-
-	if (cp_psp == NULL || cp_psp->funcs.update_stream_config == NULL)
-		return;
-
-	link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
-	ASSERT(link_enc);
-	if (link_enc == NULL)
-		return;
-
-	/* otg instance */
-	config.otg_inst = (uint8_t) pipe_ctx->stream_res.tg->inst;
-
-	/* dig front end */
-	config.dig_fe = (uint8_t) pipe_ctx->stream_res.stream_enc->stream_enc_inst;
-
-	/* stream encoder index */
-	config.stream_enc_idx = pipe_ctx->stream_res.stream_enc->id - ENGINE_ID_DIGA;
-	if (link_is_dp_128b_132b_signal(pipe_ctx))
-		config.stream_enc_idx =
-				pipe_ctx->stream_res.hpo_dp_stream_enc->id - ENGINE_ID_HPO_DP_0;
-
-	/* dig back end */
-	config.dig_be = pipe_ctx->stream->link->link_enc_hw_inst;
-
-	/* link encoder index */
-	config.link_enc_idx = link_enc->transmitter - TRANSMITTER_UNIPHY_A;
-	if (link_is_dp_128b_132b_signal(pipe_ctx))
-		config.link_enc_idx = pipe_ctx->link_res.hpo_dp_link_enc->inst;
-
-	/* dio output index is dpia index for DPIA endpoint & dcio index by default */
-	if (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
-		config.dio_output_idx = pipe_ctx->stream->link->link_id.enum_id - ENUM_ID_1;
-	else
-		config.dio_output_idx = link_enc->transmitter - TRANSMITTER_UNIPHY_A;
-
-
-	/* phy index */
-	config.phy_idx = resource_transmitter_to_phy_idx(
-			pipe_ctx->stream->link->dc, link_enc->transmitter);
-	if (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
-		/* USB4 DPIA doesn't use PHY in our soc, initialize it to 0 */
-		config.phy_idx = 0;
-
-	/* stream properties */
-	config.assr_enabled = (panel_mode == DP_PANEL_MODE_EDP) ? 1 : 0;
-	config.mst_enabled = (pipe_ctx->stream->signal ==
-			SIGNAL_TYPE_DISPLAY_PORT_MST) ? 1 : 0;
-	config.dp2_enabled = link_is_dp_128b_132b_signal(pipe_ctx) ? 1 : 0;
-	config.usb4_enabled = (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) ?
-			1 : 0;
-	config.dpms_off = dpms_off;
-
-	/* dm stream context */
-	config.dm_stream_ctx = pipe_ctx->stream->dm_stream_context;
-
-	cp_psp->funcs.update_stream_config(cp_psp->handle, &config);
-}
-#endif
-
-static void fpga_dp_hpo_enable_link_and_stream(struct dc_state *state, struct pipe_ctx *pipe_ctx)
-{
-	struct dc *dc = pipe_ctx->stream->ctx->dc;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct link_mst_stream_allocation_table proposed_table = {0};
-	struct fixed31_32 avg_time_slots_per_mtp;
-	uint8_t req_slot_count = 0;
-	uint8_t vc_id = 1; /// VC ID always 1 for SST
-	struct dc_link_settings link_settings = pipe_ctx->link_config.dp_link_settings;
-	const struct link_hwss *link_hwss = get_link_hwss(stream->link, &pipe_ctx->link_res);
-	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
-
-	stream->link->cur_link_settings = link_settings;
-
-	if (link_hwss->ext.enable_dp_link_output)
-		link_hwss->ext.enable_dp_link_output(stream->link, &pipe_ctx->link_res,
-				stream->signal, pipe_ctx->clock_source->id,
-				&link_settings);
-
-#ifdef DIAGS_BUILD
-	/* Workaround for FPGA HPO capture DP link data:
-	 * HPO capture will set link to active mode
-	 * This workaround is required to get a capture from start of frame
-	 */
-	if (!dc->debug.fpga_hpo_capture_en) {
-		struct encoder_set_dp_phy_pattern_param params = {0};
-		params.dp_phy_pattern = DP_TEST_PATTERN_VIDEO_MODE;
-
-		/* Set link active */
-		stream->link->hpo_dp_link_enc->funcs->set_link_test_pattern(
-				stream->link->hpo_dp_link_enc,
-				&params);
-	}
-#endif
-
-	/* Enable DP_STREAM_ENC */
-	dc->hwss.enable_stream(pipe_ctx);
-
-	/* Set DPS PPS SDP (AKA "info frames") */
-	if (pipe_ctx->stream->timing.flags.DSC) {
-		dp_set_dsc_pps_sdp(pipe_ctx, true, true);
-	}
-
-	/* Allocate Payload */
-	if ((stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) && (state->stream_count > 1)) {
-		// MST case
-		uint8_t i;
-
-		proposed_table.stream_count = state->stream_count;
-		for (i = 0; i < state->stream_count; i++) {
-			avg_time_slots_per_mtp = calculate_sst_avg_time_slots_per_mtp(state->streams[i], state->streams[i]->link);
-			req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
-			proposed_table.stream_allocations[i].slot_count = req_slot_count;
-			proposed_table.stream_allocations[i].vcp_id = i+1;
-			/* NOTE: This makes assumption that pipe_ctx index is same as stream index */
-			proposed_table.stream_allocations[i].hpo_dp_stream_enc = state->res_ctx.pipe_ctx[i].stream_res.hpo_dp_stream_enc;
-		}
-	} else {
-		// SST case
-		avg_time_slots_per_mtp = calculate_sst_avg_time_slots_per_mtp(stream, stream->link);
-		req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
-		proposed_table.stream_count = 1; /// Always 1 stream for SST
-		proposed_table.stream_allocations[0].slot_count = req_slot_count;
-		proposed_table.stream_allocations[0].vcp_id = vc_id;
-		proposed_table.stream_allocations[0].hpo_dp_stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
-	}
-
-	link_hwss->ext.update_stream_allocation_table(stream->link,
-			&pipe_ctx->link_res,
-			&proposed_table);
-
-	if (link_hwss->ext.set_throttled_vcp_size)
-		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
-
-	dc->hwss.unblank_stream(pipe_ctx, &stream->link->cur_link_settings);
-	dc->hwss.enable_audio_stream(pipe_ctx);
-}
-
-void core_link_enable_stream(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx)
-{
-	struct dc *dc = pipe_ctx->stream->ctx->dc;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->sink->link;
-	enum dc_status status;
-	struct link_encoder *link_enc;
-	enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
-	struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
-	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
-
-	if (link_is_dp_128b_132b_signal(pipe_ctx))
-		vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
-
-	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
-
-	if (pipe_ctx->stream->sink) {
-		if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
-			pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
-			DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__,
-			pipe_ctx->stream->sink->edid_caps.display_name,
-			pipe_ctx->stream->signal);
-		}
-	}
-
-	if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
-			dc_is_virtual_signal(pipe_ctx->stream->signal))
-		return;
-
-	link_enc = link_enc_cfg_get_link_enc(link);
-	ASSERT(link_enc);
-
-	if (!dc_is_virtual_signal(pipe_ctx->stream->signal)
-			&& !link_is_dp_128b_132b_signal(pipe_ctx)) {
-		if (link_enc)
-			link_enc->funcs->setup(
-				link_enc,
-				pipe_ctx->stream->signal);
-	}
-
-	pipe_ctx->stream->link->link_state_valid = true;
-
-	if (pipe_ctx->stream_res.tg->funcs->set_out_mux) {
-		if (link_is_dp_128b_132b_signal(pipe_ctx))
-			otg_out_dest = OUT_MUX_HPO_DP;
-		else
-			otg_out_dest = OUT_MUX_DIO;
-		pipe_ctx->stream_res.tg->funcs->set_out_mux(pipe_ctx->stream_res.tg, otg_out_dest);
-	}
-
-	link_hwss->setup_stream_attribute(pipe_ctx);
-
-	if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-		bool apply_edp_fast_boot_optimization =
-			pipe_ctx->stream->apply_edp_fast_boot_optimization;
-
-		pipe_ctx->stream->apply_edp_fast_boot_optimization = false;
-
-		// Enable VPG before building infoframe
-		if (vpg && vpg->funcs->vpg_poweron)
-			vpg->funcs->vpg_poweron(vpg);
-
-		resource_build_info_frame(pipe_ctx);
-		dc->hwss.update_info_frame(pipe_ctx);
-
-		if (dc_is_dp_signal(pipe_ctx->stream->signal))
-			dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
-
-		/* Do not touch link on seamless boot optimization. */
-		if (pipe_ctx->stream->apply_seamless_boot_optimization) {
-			pipe_ctx->stream->dpms_off = false;
-
-			/* Still enable stream features & audio on seamless boot for DP external displays */
-			if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT) {
-				enable_stream_features(pipe_ctx);
-				dc->hwss.enable_audio_stream(pipe_ctx);
-			}
-
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-			update_psp_stream_config(pipe_ctx, false);
-#endif
-			return;
-		}
-
-		/* eDP lit up by bios already, no need to enable again. */
-		if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
-					apply_edp_fast_boot_optimization &&
-					!pipe_ctx->stream->timing.flags.DSC &&
-					!pipe_ctx->next_odm_pipe) {
-			pipe_ctx->stream->dpms_off = false;
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-			update_psp_stream_config(pipe_ctx, false);
-#endif
-			return;
-		}
-
-		if (pipe_ctx->stream->dpms_off)
-			return;
-
-		/* Have to setup DSC before DIG FE and BE are connected (which happens before the
-		 * link training). This is to make sure the bandwidth sent to DIG BE won't be
-		 * bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag
-		 * will be automatically set at a later time when the video is enabled
-		 * (DP_VID_STREAM_EN = 1).
-		 */
-		if (pipe_ctx->stream->timing.flags.DSC) {
-			if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
-				dc_is_virtual_signal(pipe_ctx->stream->signal))
-			dp_set_dsc_enable(pipe_ctx, true);
-
-		}
-
-		status = enable_link(state, pipe_ctx);
-
-		if (status != DC_OK) {
-			DC_LOG_WARNING("enabling link %u failed: %d\n",
-			pipe_ctx->stream->link->link_index,
-			status);
-
-			/* Abort stream enable *unless* the failure was due to
-			 * DP link training - some DP monitors will recover and
-			 * show the stream anyway. But MST displays can't proceed
-			 * without link training.
-			 */
-			if (status != DC_FAIL_DP_LINK_TRAINING ||
-					pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
-				if (false == stream->link->link_status.link_active)
-					disable_link(stream->link, &pipe_ctx->link_res,
-							pipe_ctx->stream->signal);
-				BREAK_TO_DEBUGGER();
-				return;
-			}
-		}
-
-		/* turn off otg test pattern if enable */
-		if (pipe_ctx->stream_res.tg->funcs->set_test_pattern)
-			pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg,
-					CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
-					COLOR_DEPTH_UNDEFINED);
-
-		/* This second call is needed to reconfigure the DIG
-		 * as a workaround for the incorrect value being applied
-		 * from transmitter control.
-		 */
-		if (!(dc_is_virtual_signal(pipe_ctx->stream->signal) ||
-				link_is_dp_128b_132b_signal(pipe_ctx)))
-			if (link_enc)
-				link_enc->funcs->setup(
-					link_enc,
-					pipe_ctx->stream->signal);
-
-		dc->hwss.enable_stream(pipe_ctx);
-
-		/* Set DPS PPS SDP (AKA "info frames") */
-		if (pipe_ctx->stream->timing.flags.DSC) {
-			if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
-					dc_is_virtual_signal(pipe_ctx->stream->signal)) {
-				dp_set_dsc_on_rx(pipe_ctx, true);
-				dp_set_dsc_pps_sdp(pipe_ctx, true, true);
-			}
-		}
-
-		if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
-			dc_link_allocate_mst_payload(pipe_ctx);
-		else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
-				link_is_dp_128b_132b_signal(pipe_ctx))
-			dc_link_update_sst_payload(pipe_ctx, true);
-
-		dc->hwss.unblank_stream(pipe_ctx,
-			&pipe_ctx->stream->link->cur_link_settings);
-
-		if (stream->sink_patches.delay_ignore_msa > 0)
-			msleep(stream->sink_patches.delay_ignore_msa);
-
-		if (dc_is_dp_signal(pipe_ctx->stream->signal))
-			enable_stream_features(pipe_ctx);
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-		update_psp_stream_config(pipe_ctx, false);
-#endif
-
-		dc->hwss.enable_audio_stream(pipe_ctx);
-
-	} else { // if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
-		if (link_is_dp_128b_132b_signal(pipe_ctx))
-			fpga_dp_hpo_enable_link_and_stream(state, pipe_ctx);
-		if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
-				dc_is_virtual_signal(pipe_ctx->stream->signal))
-			dp_set_dsc_enable(pipe_ctx, true);
-	}
-
-	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
-		core_link_set_avmute(pipe_ctx, false);
-	}
-}
-
-void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
-{
-	struct dc  *dc = pipe_ctx->stream->ctx->dc;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct dc_link *link = stream->sink->link;
-	struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
-
-	if (link_is_dp_128b_132b_signal(pipe_ctx))
-		vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
-
-	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
-
-	if (pipe_ctx->stream->sink) {
-		if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
-			pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
-			DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__,
-			pipe_ctx->stream->sink->edid_caps.display_name,
-			pipe_ctx->stream->signal);
-		}
-	}
-
-	if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
-			dc_is_virtual_signal(pipe_ctx->stream->signal))
-		return;
-
-	if (!pipe_ctx->stream->sink->edid_caps.panel_patch.skip_avmute) {
-		if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
-			core_link_set_avmute(pipe_ctx, true);
-	}
-
-	dc->hwss.disable_audio_stream(pipe_ctx);
-
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-	update_psp_stream_config(pipe_ctx, true);
-#endif
-	dc->hwss.blank_stream(pipe_ctx);
-
-	if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
-		deallocate_mst_payload(pipe_ctx);
-	else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
-			link_is_dp_128b_132b_signal(pipe_ctx))
-		dc_link_update_sst_payload(pipe_ctx, false);
-
-	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
-		struct ext_hdmi_settings settings = {0};
-		enum engine_id eng_id = pipe_ctx->stream_res.stream_enc->id;
-
-		unsigned short masked_chip_caps = link->chip_caps &
-				EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
-		//Need to inform that sink is going to use legacy HDMI mode.
-		write_scdc_data(
-			link->ddc,
-			165000,//vbios only handles 165Mhz.
-			false);
-		if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
-			/* DP159, Retimer settings */
-			if (get_ext_hdmi_settings(pipe_ctx, eng_id, &settings))
-				write_i2c_retimer_setting(pipe_ctx,
-						false, false, &settings);
-			else
-				write_i2c_default_retimer_setting(pipe_ctx,
-						false, false);
-		} else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
-			/* PI3EQX1204, Redriver settings */
-			write_i2c_redriver_setting(pipe_ctx, false);
-		}
-	}
-
-	if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
-			!link_is_dp_128b_132b_signal(pipe_ctx)) {
-
-		/* In DP1.x SST mode, our encoder will go to TPS1
-		 * when link is on but stream is off.
-		 * Disabling link before stream will avoid exposing TPS1 pattern
-		 * during the disable sequence as it will confuse some receivers
-		 * state machine.
-		 * In DP2 or MST mode, our encoder will stay video active
-		 */
-		disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
-		dc->hwss.disable_stream(pipe_ctx);
-	} else {
-		dc->hwss.disable_stream(pipe_ctx);
-		disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
-	}
-
-	if (pipe_ctx->stream->timing.flags.DSC) {
-		if (dc_is_dp_signal(pipe_ctx->stream->signal))
-			dp_set_dsc_enable(pipe_ctx, false);
-	}
-	if (link_is_dp_128b_132b_signal(pipe_ctx)) {
-		if (pipe_ctx->stream_res.tg->funcs->set_out_mux)
-			pipe_ctx->stream_res.tg->funcs->set_out_mux(pipe_ctx->stream_res.tg, OUT_MUX_DIO);
-	}
-
-	if (vpg && vpg->funcs->vpg_powerdown)
-		vpg->funcs->vpg_powerdown(vpg);
-}
-
-void core_link_set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
-{
-	struct dc  *dc = pipe_ctx->stream->ctx->dc;
-
-	if (!dc_is_hdmi_signal(pipe_ctx->stream->signal))
-		return;
-
-	dc->hwss.set_avmute(pipe_ctx, enable);
-}
-
-uint32_t dc_link_bandwidth_kbps(
-	const struct dc_link *link,
-	const struct dc_link_settings *link_setting)
-{
-	uint32_t total_data_bw_efficiency_x10000 = 0;
-	uint32_t link_rate_per_lane_kbps = 0;
-
-	switch (link_dp_get_encoding_format(link_setting)) {
-	case DP_8b_10b_ENCODING:
-		/* For 8b/10b encoding:
-		 * link rate is defined in the unit of LINK_RATE_REF_FREQ_IN_KHZ per DP byte per lane.
-		 * data bandwidth efficiency is 80% with additional 3% overhead if FEC is supported.
-		 */
-		link_rate_per_lane_kbps = link_setting->link_rate * LINK_RATE_REF_FREQ_IN_KHZ * BITS_PER_DP_BYTE;
-		total_data_bw_efficiency_x10000 = DATA_EFFICIENCY_8b_10b_x10000;
-		if (dc_link_should_enable_fec(link)) {
-			total_data_bw_efficiency_x10000 /= 100;
-			total_data_bw_efficiency_x10000 *= DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100;
-		}
-		break;
-	case DP_128b_132b_ENCODING:
-		/* For 128b/132b encoding:
-		 * link rate is defined in the unit of 10mbps per lane.
-		 * total data bandwidth efficiency is always 96.71%.
-		 */
-		link_rate_per_lane_kbps = link_setting->link_rate * 10000;
-		total_data_bw_efficiency_x10000 = DATA_EFFICIENCY_128b_132b_x10000;
-		break;
-	default:
-		break;
-	}
-
-	/* overall effective link bandwidth = link rate per lane * lane count * total data bandwidth efficiency */
-	return link_rate_per_lane_kbps * link_setting->lane_count / 10000 * total_data_bw_efficiency_x10000;
-}
-
-uint32_t dc_bandwidth_in_kbps_from_timing(
-		const struct dc_crtc_timing *timing)
-{
-	uint32_t bits_per_channel = 0;
-	uint32_t kbps;
-
-#if defined(CONFIG_DRM_AMD_DC_DCN)
-	if (timing->flags.DSC)
-		return dc_dsc_stream_bandwidth_in_kbps(timing,
-				timing->dsc_cfg.bits_per_pixel,
-				timing->dsc_cfg.num_slices_h,
-				timing->dsc_cfg.is_dp);
-#endif /* CONFIG_DRM_AMD_DC_DCN */
-
-	switch (timing->display_color_depth) {
-	case COLOR_DEPTH_666:
-		bits_per_channel = 6;
-		break;
-	case COLOR_DEPTH_888:
-		bits_per_channel = 8;
-		break;
-	case COLOR_DEPTH_101010:
-		bits_per_channel = 10;
-		break;
-	case COLOR_DEPTH_121212:
-		bits_per_channel = 12;
-		break;
-	case COLOR_DEPTH_141414:
-		bits_per_channel = 14;
-		break;
-	case COLOR_DEPTH_161616:
-		bits_per_channel = 16;
-		break;
-	default:
-		ASSERT(bits_per_channel != 0);
-		bits_per_channel = 8;
-		break;
-	}
-
-	kbps = timing->pix_clk_100hz / 10;
-	kbps *= bits_per_channel;
-
-	if (timing->flags.Y_ONLY != 1) {
-		/*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/
-		kbps *= 3;
-		if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
-			kbps /= 2;
-		else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
-			kbps = kbps * 2 / 3;
-	}
-
-	return kbps;
-
-}
-
-void dc_link_get_cur_link_res(const struct dc_link *link,
-		struct link_resource *link_res)
-{
-	int i;
-	struct pipe_ctx *pipe = NULL;
-
-	memset(link_res, 0, sizeof(*link_res));
-
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe->stream && pipe->stream->link && pipe->top_pipe == NULL) {
-			if (pipe->stream->link == link) {
-				*link_res = pipe->link_res;
-				break;
-			}
-		}
-	}
-
-}
-
-/**
- * dc_get_cur_link_res_map() - take a snapshot of current link resource allocation state
- * @dc: pointer to dc of the dm calling this
- * @map: a dc link resource snapshot defined internally to dc.
- *
- * DM needs to capture a snapshot of current link resource allocation mapping
- * and store it in its persistent storage.
- *
- * Some of the link resource is using first come first serve policy.
- * The allocation mapping depends on original hotplug order. This information
- * is lost after driver is loaded next time. The snapshot is used in order to
- * restore link resource to its previous state so user will get consistent
- * link capability allocation across reboot.
- *
- * Return: none (void function)
- *
- */
-void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map)
-{
-	struct dc_link *link;
-	uint32_t i;
-	uint32_t hpo_dp_recycle_map = 0;
-
-	*map = 0;
-
-	if (dc->caps.dp_hpo) {
-		for (i = 0; i < dc->caps.max_links; i++) {
-			link = dc->links[i];
-			if (link->link_status.link_active &&
-					link_dp_get_encoding_format(&link->reported_link_cap) == DP_128b_132b_ENCODING &&
-					link_dp_get_encoding_format(&link->cur_link_settings) != DP_128b_132b_ENCODING)
-				/* hpo dp link encoder is considered as recycled, when RX reports 128b/132b encoding capability
-				 * but current link doesn't use it.
-				 */
-				hpo_dp_recycle_map |= (1 << i);
-		}
-		*map |= (hpo_dp_recycle_map << LINK_RES_HPO_DP_REC_MAP__SHIFT);
-	}
-}
-
-/**
- * dc_restore_link_res_map() - restore link resource allocation state from a snapshot
- * @dc: pointer to dc of the dm calling this
- * @map: a dc link resource snapshot defined internally to dc.
- *
- * DM needs to call this function after initial link detection on boot and
- * before first commit streams to restore link resource allocation state
- * from previous boot session.
- *
- * Some of the link resource is using first come first serve policy.
- * The allocation mapping depends on original hotplug order. This information
- * is lost after driver is loaded next time. The snapshot is used in order to
- * restore link resource to its previous state so user will get consistent
- * link capability allocation across reboot.
- *
- * Return: none (void function)
- *
- */
-void dc_restore_link_res_map(const struct dc *dc, uint32_t *map)
-{
-	struct dc_link *link;
-	uint32_t i;
-	unsigned int available_hpo_dp_count;
-	uint32_t hpo_dp_recycle_map = (*map & LINK_RES_HPO_DP_REC_MAP__MASK)
-			>> LINK_RES_HPO_DP_REC_MAP__SHIFT;
-
-	if (dc->caps.dp_hpo) {
-		available_hpo_dp_count = dc->res_pool->hpo_dp_link_enc_count;
-		/* remove excess 128b/132b encoding support for not recycled links */
-		for (i = 0; i < dc->caps.max_links; i++) {
-			if ((hpo_dp_recycle_map & (1 << i)) == 0) {
-				link = dc->links[i];
-				if (link->type != dc_connection_none &&
-						link_dp_get_encoding_format(&link->verified_link_cap) == DP_128b_132b_ENCODING) {
-					if (available_hpo_dp_count > 0)
-						available_hpo_dp_count--;
-					else
-						/* remove 128b/132b encoding capability by limiting verified link rate to HBR3 */
-						link->verified_link_cap.link_rate = LINK_RATE_HIGH3;
-				}
-			}
-		}
-		/* remove excess 128b/132b encoding support for recycled links */
-		for (i = 0; i < dc->caps.max_links; i++) {
-			if ((hpo_dp_recycle_map & (1 << i)) != 0) {
-				link = dc->links[i];
-				if (link->type != dc_connection_none &&
-						link_dp_get_encoding_format(&link->verified_link_cap) == DP_128b_132b_ENCODING) {
-					if (available_hpo_dp_count > 0)
-						available_hpo_dp_count--;
-					else
-						/* remove 128b/132b encoding capability by limiting verified link rate to HBR3 */
-						link->verified_link_cap.link_rate = LINK_RATE_HIGH3;
-				}
-			}
-		}
-	}
-}
-
-bool dp_validate_mode_timing(
-	struct dc_link *link,
-	const struct dc_crtc_timing *timing)
-{
-	uint32_t req_bw;
-	uint32_t max_bw;
-
-	const struct dc_link_settings *link_setting;
-
-	/* According to spec, VSC SDP should be used if pixel format is YCbCr420 */
-	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&
-			!link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
-			dal_graphics_object_id_get_connector_id(link->link_id) != CONNECTOR_ID_VIRTUAL)
-		return false;
-
-	/*always DP fail safe mode*/
-	if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&
-		timing->h_addressable == (uint32_t) 640 &&
-		timing->v_addressable == (uint32_t) 480)
-		return true;
-
-	link_setting = dc_link_get_link_cap(link);
-
-	/* TODO: DYNAMIC_VALIDATION needs to be implemented */
-	/*if (flags.DYNAMIC_VALIDATION == 1 &&
-		link->verified_link_cap.lane_count != LANE_COUNT_UNKNOWN)
-		link_setting = &link->verified_link_cap;
-	*/
-
-	req_bw = dc_bandwidth_in_kbps_from_timing(timing);
-	max_bw = dc_link_bandwidth_kbps(link, link_setting);
-
-	if (req_bw <= max_bw) {
-		/* remember the biggest mode here, during
-		 * initial link training (to get
-		 * verified_link_cap), LS sends event about
-		 * cannot train at reported cap to upper
-		 * layer and upper layer will re-enumerate modes.
-		 * this is not necessary if the lower
-		 * verified_link_cap is enough to drive
-		 * all the modes */
-
-		/* TODO: DYNAMIC_VALIDATION needs to be implemented */
-		/* if (flags.DYNAMIC_VALIDATION == 1)
-			dpsst->max_req_bw_for_verified_linkcap = dal_max(
-				dpsst->max_req_bw_for_verified_linkcap, req_bw); */
-		return true;
-	} else
-		return false;
-}
-
-void dp_enable_mst_on_sink(struct dc_link *link, bool enable)
-{
-	unsigned char mstmCntl;
-
-	core_link_read_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
-	if (enable)
-		mstmCntl |= DP_MST_EN;
-	else
-		mstmCntl &= (~DP_MST_EN);
-
-	core_link_write_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
-}
-
-enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready)
-{
-	/* FEC has to be "set ready" before the link training.
-	 * The policy is to always train with FEC
-	 * if the sink supports it and leave it enabled on link.
-	 * If FEC is not supported, disable it.
-	 */
-	struct link_encoder *link_enc = NULL;
-	enum dc_status status = DC_OK;
-	uint8_t fec_config = 0;
-
-	link_enc = link_enc_cfg_get_link_enc(link);
-	ASSERT(link_enc);
-
-	if (!dc_link_should_enable_fec(link))
-		return status;
-
-	if (link_enc->funcs->fec_set_ready &&
-			link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
-		if (ready) {
-			fec_config = 1;
-			status = core_link_write_dpcd(link,
-					DP_FEC_CONFIGURATION,
-					&fec_config,
-					sizeof(fec_config));
-			if (status == DC_OK) {
-				link_enc->funcs->fec_set_ready(link_enc, true);
-				link->fec_state = dc_link_fec_ready;
-			} else {
-				link_enc->funcs->fec_set_ready(link_enc, false);
-				link->fec_state = dc_link_fec_not_ready;
-				dm_error("dpcd write failed to set fec_ready");
-			}
-		} else if (link->fec_state == dc_link_fec_ready) {
-			fec_config = 0;
-			status = core_link_write_dpcd(link,
-					DP_FEC_CONFIGURATION,
-					&fec_config,
-					sizeof(fec_config));
-			link_enc->funcs->fec_set_ready(link_enc, false);
-			link->fec_state = dc_link_fec_not_ready;
-		}
-	}
-
-	return status;
-}
-
-void dp_set_fec_enable(struct dc_link *link, bool enable)
-{
-	struct link_encoder *link_enc = NULL;
-
-	link_enc = link_enc_cfg_get_link_enc(link);
-	ASSERT(link_enc);
-
-	if (!dc_link_should_enable_fec(link))
-		return;
-
-	if (link_enc->funcs->fec_set_enable &&
-			link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
-		if (link->fec_state == dc_link_fec_ready && enable) {
-			/* Accord to DP spec, FEC enable sequence can first
-			 * be transmitted anytime after 1000 LL codes have
-			 * been transmitted on the link after link training
-			 * completion. Using 1 lane RBR should have the maximum
-			 * time for transmitting 1000 LL codes which is 6.173 us.
-			 * So use 7 microseconds delay instead.
-			 */
-			udelay(7);
-			link_enc->funcs->fec_set_enable(link_enc, true);
-			link->fec_state = dc_link_fec_enabled;
-		} else if (link->fec_state == dc_link_fec_enabled && !enable) {
-			link_enc->funcs->fec_set_enable(link_enc, false);
-			link->fec_state = dc_link_fec_ready;
-		}
-	}
-}
-
-// TODO - DP2.0 Link: Fix get_lane_status to handle LTTPR offset (SST and MST)
-static void get_lane_status(
-	struct dc_link *link,
-	uint32_t lane_count,
-	union lane_status *status,
-	union lane_align_status_updated *status_updated)
-{
-	unsigned int lane;
-	uint8_t dpcd_buf[3] = {0};
-
-	if (status == NULL || status_updated == NULL) {
-		return;
-	}
-
-	core_link_read_dpcd(
-			link,
-			DP_LANE0_1_STATUS,
-			dpcd_buf,
-			sizeof(dpcd_buf));
-
-	for (lane = 0; lane < lane_count; lane++) {
-		status[lane].raw = dp_get_nibble_at_index(&dpcd_buf[0], lane);
-	}
-
-	status_updated->raw = dpcd_buf[2];
-}
-
-bool dpcd_write_128b_132b_sst_payload_allocation_table(
-		const struct dc_stream_state *stream,
-		struct dc_link *link,
-		struct link_mst_stream_allocation_table *proposed_table,
-		bool allocate)
-{
-	const uint8_t vc_id = 1; /// VC ID always 1 for SST
-	const uint8_t start_time_slot = 0; /// Always start at time slot 0 for SST
-	bool result = false;
-	uint8_t req_slot_count = 0;
-	struct fixed31_32 avg_time_slots_per_mtp = { 0 };
-	union payload_table_update_status update_status = { 0 };
-	const uint32_t max_retries = 30;
-	uint32_t retries = 0;
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	if (allocate)	{
-		avg_time_slots_per_mtp = calculate_sst_avg_time_slots_per_mtp(stream, link);
-		req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
-		/// Validation should filter out modes that exceed link BW
-		ASSERT(req_slot_count <= MAX_MTP_SLOT_COUNT);
-		if (req_slot_count > MAX_MTP_SLOT_COUNT)
-			return false;
-	} else {
-		/// Leave req_slot_count = 0 if allocate is false.
-	}
-
-	proposed_table->stream_count = 1; /// Always 1 stream for SST
-	proposed_table->stream_allocations[0].slot_count = req_slot_count;
-	proposed_table->stream_allocations[0].vcp_id = vc_id;
-
-	if (link->aux_access_disabled)
-		return true;
-
-	/// Write DPCD 2C0 = 1 to start updating
-	update_status.bits.VC_PAYLOAD_TABLE_UPDATED = 1;
-	core_link_write_dpcd(
-			link,
-			DP_PAYLOAD_TABLE_UPDATE_STATUS,
-			&update_status.raw,
-			1);
-
-	/// Program the changes in DPCD 1C0 - 1C2
-	ASSERT(vc_id == 1);
-	core_link_write_dpcd(
-			link,
-			DP_PAYLOAD_ALLOCATE_SET,
-			&vc_id,
-			1);
-
-	ASSERT(start_time_slot == 0);
-	core_link_write_dpcd(
-			link,
-			DP_PAYLOAD_ALLOCATE_START_TIME_SLOT,
-			&start_time_slot,
-			1);
-
-	core_link_write_dpcd(
-			link,
-			DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT,
-			&req_slot_count,
-			1);
-
-	/// Poll till DPCD 2C0 read 1
-	/// Try for at least 150ms (30 retries, with 5ms delay after each attempt)
-
-	while (retries < max_retries) {
-		if (core_link_read_dpcd(
-				link,
-				DP_PAYLOAD_TABLE_UPDATE_STATUS,
-				&update_status.raw,
-				1) == DC_OK) {
-			if (update_status.bits.VC_PAYLOAD_TABLE_UPDATED == 1) {
-				DC_LOG_DP2("SST Update Payload: downstream payload table updated.");
-				result = true;
-				break;
-			}
-		} else {
-			union dpcd_rev dpcdRev;
-
-			if (core_link_read_dpcd(
-					link,
-					DP_DPCD_REV,
-					&dpcdRev.raw,
-					1) != DC_OK) {
-				DC_LOG_ERROR("SST Update Payload: Unable to read DPCD revision "
-						"of sink while polling payload table "
-						"updated status bit.");
-				break;
-			}
-		}
-		retries++;
-		msleep(5);
-	}
-
-	if (!result && retries == max_retries) {
-		DC_LOG_ERROR("SST Update Payload: Payload table not updated after retries, "
-				"continue on. Something is wrong with the branch.");
-		// TODO - DP2.0 Payload: Read and log the payload table from downstream branch
-	}
-
-	return result;
-}
-
-bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link)
-{
-	/*
-	 * wait for ACT handled
-	 */
-	int i;
-	const int act_retries = 30;
-	enum act_return_status result = ACT_FAILED;
-	union payload_table_update_status update_status = {0};
-	union lane_status dpcd_lane_status[LANE_COUNT_DP_MAX];
-	union lane_align_status_updated lane_status_updated;
-	DC_LOGGER_INIT(link->ctx->logger);
-
-	if (link->aux_access_disabled)
-		return true;
-	for (i = 0; i < act_retries; i++) {
-		get_lane_status(link, link->cur_link_settings.lane_count, dpcd_lane_status, &lane_status_updated);
-
-		if (!dp_is_cr_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
-				!dp_is_ch_eq_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
-				!dp_is_symbol_locked(link->cur_link_settings.lane_count, dpcd_lane_status) ||
-				!dp_is_interlane_aligned(lane_status_updated)) {
-			DC_LOG_ERROR("SST Update Payload: Link loss occurred while "
-					"polling for ACT handled.");
-			result = ACT_LINK_LOST;
-			break;
-		}
-		core_link_read_dpcd(
-				link,
-				DP_PAYLOAD_TABLE_UPDATE_STATUS,
-				&update_status.raw,
-				1);
-
-		if (update_status.bits.ACT_HANDLED == 1) {
-			DC_LOG_DP2("SST Update Payload: ACT handled by downstream.");
-			result = ACT_SUCCESS;
-			break;
-		}
-
-		msleep(5);
-	}
-
-	if (result == ACT_FAILED) {
-		DC_LOG_ERROR("SST Update Payload: ACT still not handled after retries, "
-				"continue on. Something is wrong with the branch.");
-	}
-
-	return (result == ACT_SUCCESS);
-}
-
-struct fixed31_32 calculate_sst_avg_time_slots_per_mtp(
-		const struct dc_stream_state *stream,
-		const struct dc_link *link)
-{
-	struct fixed31_32 link_bw_effective =
-			dc_fixpt_from_int(
-					dc_link_bandwidth_kbps(link, &link->cur_link_settings));
-	struct fixed31_32 timeslot_bw_effective =
-			dc_fixpt_div_int(link_bw_effective, MAX_MTP_SLOT_COUNT);
-	struct fixed31_32 timing_bw =
-			dc_fixpt_from_int(
-					dc_bandwidth_in_kbps_from_timing(&stream->timing));
-	struct fixed31_32 avg_time_slots_per_mtp =
-			dc_fixpt_div(timing_bw, timeslot_bw_effective);
-
-	return avg_time_slots_per_mtp;
-}
-
-void dc_link_clear_dprx_states(struct dc_link *link)
-{
-	memset(&link->dprx_states, 0, sizeof(link->dprx_states));
-}
-
-void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode)
-{
-	if (link != NULL && link->dc->debug.enable_driver_sequence_debug)
-		core_link_write_dpcd(link, DP_SOURCE_SEQUENCE,
-					&dp_test_mode, sizeof(dp_test_mode));
-}
-
-static void dsc_optc_config_log(struct display_stream_compressor *dsc,
-		struct dsc_optc_config *config)
-{
-	uint32_t precision = 1 << 28;
-	uint32_t bytes_per_pixel_int = config->bytes_per_pixel / precision;
-	uint32_t bytes_per_pixel_mod = config->bytes_per_pixel % precision;
-	uint64_t ll_bytes_per_pix_fraq = bytes_per_pixel_mod;
-	DC_LOGGER_INIT(dsc->ctx->logger);
-
-	/* 7 fractional digits decimal precision for bytes per pixel is enough because DSC
-	 * bits per pixel precision is 1/16th of a pixel, which means bytes per pixel precision is
-	 * 1/16/8 = 1/128 of a byte, or 0.0078125 decimal
-	 */
-	ll_bytes_per_pix_fraq *= 10000000;
-	ll_bytes_per_pix_fraq /= precision;
-
-	DC_LOG_DSC("\tbytes_per_pixel 0x%08x (%d.%07d)",
-			config->bytes_per_pixel, bytes_per_pixel_int, (uint32_t)ll_bytes_per_pix_fraq);
-	DC_LOG_DSC("\tis_pixel_format_444 %d", config->is_pixel_format_444);
-	DC_LOG_DSC("\tslice_width %d", config->slice_width);
-}
-
-bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
-{
-	struct dc *dc = pipe_ctx->stream->ctx->dc;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	bool result = false;
-
-	if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
-		result = true;
-	else
-		result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable);
-	return result;
-}
-
-/* The stream with these settings can be sent (unblanked) only after DSC was enabled on RX first,
- * i.e. after dp_enable_dsc_on_rx() had been called
- */
-void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
-{
-	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
-	struct dc *dc = pipe_ctx->stream->ctx->dc;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	struct pipe_ctx *odm_pipe;
-	int opp_cnt = 1;
-	DC_LOGGER_INIT(dsc->ctx->logger);
-
-	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
-		opp_cnt++;
-
-	if (enable) {
-		struct dsc_config dsc_cfg;
-		struct dsc_optc_config dsc_optc_cfg;
-		enum optc_dsc_mode optc_dsc_mode;
-
-		/* Enable DSC hw block */
-		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
-		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
-		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
-		dsc_cfg.color_depth = stream->timing.display_color_depth;
-		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
-		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
-		ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0);
-		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
-
-		dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
-		dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
-		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
-			struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
-
-			odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
-			odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
-		}
-		dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt;
-		dsc_cfg.pic_width *= opp_cnt;
-
-		optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
-
-		/* Enable DSC in encoder */
-		if (dc_is_dp_signal(stream->signal) && !IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)
-				&& !link_is_dp_128b_132b_signal(pipe_ctx)) {
-			DC_LOG_DSC("Setting stream encoder DSC config for engine %d:", (int)pipe_ctx->stream_res.stream_enc->id);
-			dsc_optc_config_log(dsc, &dsc_optc_cfg);
-			pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(pipe_ctx->stream_res.stream_enc,
-									optc_dsc_mode,
-									dsc_optc_cfg.bytes_per_pixel,
-									dsc_optc_cfg.slice_width);
-
-			/* PPS SDP is set elsewhere because it has to be done after DIG FE is connected to DIG BE */
-		}
-
-		/* Enable DSC in OPTC */
-		DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
-		dsc_optc_config_log(dsc, &dsc_optc_cfg);
-		pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg,
-							optc_dsc_mode,
-							dsc_optc_cfg.bytes_per_pixel,
-							dsc_optc_cfg.slice_width);
-	} else {
-		/* disable DSC in OPTC */
-		pipe_ctx->stream_res.tg->funcs->set_dsc_config(
-				pipe_ctx->stream_res.tg,
-				OPTC_DSC_DISABLED, 0, 0);
-
-		/* disable DSC in stream encoder */
-		if (dc_is_dp_signal(stream->signal)) {
-			if (link_is_dp_128b_132b_signal(pipe_ctx))
-				pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
-										pipe_ctx->stream_res.hpo_dp_stream_enc,
-										false,
-										NULL,
-										true);
-			else if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(
-						pipe_ctx->stream_res.stream_enc,
-						OPTC_DSC_DISABLED, 0, 0);
-				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
-							pipe_ctx->stream_res.stream_enc, false, NULL, true);
-			}
-		}
-
-		/* disable DSC block */
-		pipe_ctx->stream_res.dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc);
-		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
-			odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
-	}
-}
-
-bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable)
-{
-	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
-	bool result = false;
-
-	if (!pipe_ctx->stream->timing.flags.DSC)
-		goto out;
-	if (!dsc)
-		goto out;
-
-	if (enable) {
-		{
-			dp_set_dsc_on_stream(pipe_ctx, true);
-			result = true;
-		}
-	} else {
-		dp_set_dsc_on_rx(pipe_ctx, false);
-		dp_set_dsc_on_stream(pipe_ctx, false);
-		result = true;
-	}
-out:
-	return result;
-}
-
-/*
- * For dynamic bpp change case, dsc is programmed with MASTER_UPDATE_LOCK enabled;
- * hence PPS info packet update need to use frame update instead of immediate update.
- * Added parameter immediate_update for this purpose.
- * The decision to use frame update is hard-coded in function dp_update_dsc_config(),
- * which is the only place where a "false" would be passed in for param immediate_update.
- *
- * immediate_update is only applicable when DSC is enabled.
- */
-bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update)
-{
-	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
-	struct dc_stream_state *stream = pipe_ctx->stream;
-	DC_LOGGER_INIT(dsc->ctx->logger);
-
-	if (!pipe_ctx->stream->timing.flags.DSC || !dsc)
-		return false;
-
-	if (enable) {
-		struct dsc_config dsc_cfg;
-		uint8_t dsc_packed_pps[128];
-
-		memset(&dsc_cfg, 0, sizeof(dsc_cfg));
-		memset(dsc_packed_pps, 0, 128);
-
-		/* Enable DSC hw block */
-		dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
-		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
-		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
-		dsc_cfg.color_depth = stream->timing.display_color_depth;
-		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
-		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
-
-		dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, &dsc_packed_pps[0]);
-		memcpy(&stream->dsc_packed_pps[0], &dsc_packed_pps[0], sizeof(stream->dsc_packed_pps));
-		if (dc_is_dp_signal(stream->signal)) {
-			DC_LOG_DSC("Setting stream encoder DSC PPS SDP for engine %d\n", (int)pipe_ctx->stream_res.stream_enc->id);
-			if (link_is_dp_128b_132b_signal(pipe_ctx))
-				pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
-										pipe_ctx->stream_res.hpo_dp_stream_enc,
-										true,
-										&dsc_packed_pps[0],
-										immediate_update);
-			else
-				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
-						pipe_ctx->stream_res.stream_enc,
-						true,
-						&dsc_packed_pps[0],
-						immediate_update);
-		}
-	} else {
-		/* disable DSC PPS in stream encoder */
-		memset(&stream->dsc_packed_pps[0], 0, sizeof(stream->dsc_packed_pps));
-		if (dc_is_dp_signal(stream->signal)) {
-			if (link_is_dp_128b_132b_signal(pipe_ctx))
-				pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
-										pipe_ctx->stream_res.hpo_dp_stream_enc,
-										false,
-										NULL,
-										true);
-			else
-				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
-						pipe_ctx->stream_res.stream_enc, false, NULL, true);
-		}
-	}
-
-	return true;
-}
-
-
-bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx)
-{
-	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
-
-	if (!pipe_ctx->stream->timing.flags.DSC)
-		return false;
-	if (!dsc)
-		return false;
-
-	dp_set_dsc_on_stream(pipe_ctx, true);
-	dp_set_dsc_pps_sdp(pipe_ctx, true, false);
-	return true;
-}
+// TODO - remove this file after external build dependencies is resolved.
+/* NOTE: This file is pending to be removed, do not add new code to this file */
\ No newline at end of file
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
new file mode 100644
index 000000000000..a951e10416ee
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+/* FILE POLICY AND INTENDED USAGE:
+ * This file provides single entrance to link functionality declared in dc
+ * public headers. The file is intended to be used as a thin translation layer
+ * that directly calls link internal functions without adding new functional
+ * behavior.
+ *
+ * When exporting a new link related dc function, add function declaration in
+ * dc.h with detail interface documentation, then add function implementation
+ * in this file which calls link functions.
+ */
+#include "link.h"
+
+bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
+{
+	return link_detect(link, reason);
+}
+
+bool dc_link_detect_connection_type(struct dc_link *link,
+		enum dc_connection_type *type)
+{
+	return link_detect_connection_type(link, type);
+}
+
+const struct dc_link_status *dc_link_get_status(const struct dc_link *link)
+{
+	return link_get_status(link);
+}
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+
+/* return true if the connected receiver supports the hdcp version */
+bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal)
+{
+	return link_is_hdcp14(link, signal);
+}
+
+bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal)
+{
+	return link_is_hdcp22(link, signal);
+}
+#endif
+
+void dc_link_clear_dprx_states(struct dc_link *link)
+{
+	link_clear_dprx_states(link);
+}
+
+bool dc_link_reset_cur_dp_mst_topology(struct dc_link *link)
+{
+	return link_reset_cur_dp_mst_topology(link);
+}
+
+uint32_t dc_link_bandwidth_kbps(
+	const struct dc_link *link,
+	const struct dc_link_settings *link_settings)
+{
+	return dp_link_bandwidth_kbps(link, link_settings);
+}
+
+uint32_t dc_bandwidth_in_kbps_from_timing(
+	const struct dc_crtc_timing *timing)
+{
+	return link_timing_bandwidth_kbps(timing);
+}
+
+void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map)
+{
+	link_get_cur_res_map(dc, map);
+}
+
+void dc_restore_link_res_map(const struct dc *dc, uint32_t *map)
+{
+	link_restore_res_map(dc, map);
+}
+
+bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx)
+{
+	return link_update_dsc_config(pipe_ctx);
+}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index e41bbcbc7146..d9f2ef242b0f 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -3685,7 +3685,7 @@ enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream)
 	/* TODO: validate audio ASIC caps, encoder */
 
 	if (res == DC_OK)
-		res = dc_link_validate_mode_timing(stream,
+		res = link_validate_mode_timing(stream,
 		      link,
 		      &stream->timing);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 2e23fd8b4e9f..1fde43378689 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -47,12 +47,11 @@ struct aux_payload;
 struct set_config_cmd_payload;
 struct dmub_notification;
 
-#define DC_VER "3.2.221"
+#define DC_VER "3.2.223"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6
 #define MAX_STREAMS 6
-#define MAX_SINKS_PER_LINK 4
 #define MIN_VIEWPORT_SIZE 12
 #define MAX_NUM_EDP 2
 
@@ -410,7 +409,7 @@ struct dc_config {
 	bool force_bios_enable_lttpr;
 	uint8_t force_bios_fixed_vs;
 	int sdpif_request_limit_words_per_umc;
-
+	bool disable_subvp_drr;
 };
 
 enum visual_confirm {
@@ -874,6 +873,7 @@ struct dc_debug_options {
 	unsigned int min_prefetch_in_strobe_ns;
 	bool disable_unbounded_requesting;
 	bool dig_fifo_off_in_blank;
+	bool temp_mst_deallocation_sequence;
 };
 
 struct gpu_info_soc_bounding_box_v1_0;
@@ -1371,109 +1371,128 @@ struct dc_state *dc_copy_state(struct dc_state *src_ctx);
 void dc_retain_state(struct dc_state *context);
 void dc_release_state(struct dc_state *context);
 
+struct dc_plane_state *dc_get_surface_for_mpcc(struct dc *dc,
+		struct dc_stream_state *stream,
+		int mpcc_inst);
+
+
+uint32_t dc_get_opp_for_plane(struct dc *dc, struct dc_plane_state *plane);
+
 /* Link Interfaces */
+/* TODO: remove this after resolving external dependencies */
+#include "dc_link.h"
 
-struct dpcd_caps {
-	union dpcd_rev dpcd_rev;
-	union max_lane_count max_ln_count;
-	union max_down_spread max_down_spread;
-	union dprx_feature dprx_feature;
-
-	/* valid only for eDP v1.4 or higher*/
-	uint8_t edp_supported_link_rates_count;
-	enum dc_link_rate edp_supported_link_rates[8];
-
-	/* dongle type (DP converter, CV smart dongle) */
-	enum display_dongle_type dongle_type;
-	bool is_dongle_type_one;
-	/* branch device or sink device */
-	bool is_branch_dev;
-	/* Dongle's downstream count. */
-	union sink_count sink_count;
-	bool is_mst_capable;
-	/* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
-	indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
-	struct dc_dongle_caps dongle_caps;
-
-	uint32_t sink_dev_id;
-	int8_t sink_dev_id_str[6];
-	int8_t sink_hw_revision;
-	int8_t sink_fw_revision[2];
-
-	uint32_t branch_dev_id;
-	int8_t branch_dev_name[6];
-	int8_t branch_hw_revision;
-	int8_t branch_fw_revision[2];
-
-	bool allow_invalid_MSA_timing_param;
-	bool panel_mode_edp;
-	bool dpcd_display_control_capable;
-	bool ext_receiver_cap_field_present;
-	bool set_power_state_capable_edp;
-	bool dynamic_backlight_capable_edp;
-	union dpcd_fec_capability fec_cap;
-	struct dpcd_dsc_capabilities dsc_caps;
-	struct dc_lttpr_caps lttpr_caps;
-	struct adaptive_sync_caps adaptive_sync_caps;
-	struct dpcd_usb4_dp_tunneling_info usb4_dp_tun_info;
-
-	union dp_128b_132b_supported_link_rates dp_128b_132b_supported_link_rates;
-	union dp_main_line_channel_coding_cap channel_coding_cap;
-	union dp_sink_video_fallback_formats fallback_formats;
-	union dp_fec_capability1 fec_cap1;
-	union dp_cable_id cable_id;
-	uint8_t edp_rev;
-	union edp_alpm_caps alpm_caps;
-	struct edp_psr_info psr_info;
-};
-
-union dpcd_sink_ext_caps {
-	struct {
-		/* 0 - Sink supports backlight adjust via PWM during SDR/HDR mode
-		 * 1 - Sink supports backlight adjust via AUX during SDR/HDR mode.
-		 */
-		uint8_t sdr_aux_backlight_control : 1;
-		uint8_t hdr_aux_backlight_control : 1;
-		uint8_t reserved_1 : 2;
-		uint8_t oled : 1;
-		uint8_t reserved : 3;
-	} bits;
-	uint8_t raw;
-};
+/* The function initiates detection handshake over the given link. It first
+ * determines if there are display connections over the link. If so it initiates
+ * detection protocols supported by the connected receiver device. The function
+ * contains protocol specific handshake sequences which are sometimes mandatory
+ * to establish a proper connection between TX and RX. So it is always
+ * recommended to call this function as the first link operation upon HPD event
+ * or power up event. Upon completion, the function will update link structure
+ * in place based on latest RX capabilities. The function may also cause dpms
+ * to be reset to off for all currently enabled streams to the link. It is DM's
+ * responsibility to serialize detection and DPMS updates.
+ *
+ * @reason - Indicate which event triggers this detection. dc may customize
+ * detection flow depending on the triggering events.
+ * return false - if detection is not fully completed. This could happen when
+ * there is an unrecoverable error during detection or detection is partially
+ * completed (detection has been delegated to dm mst manager ie.
+ * link->connection_type == dc_connection_mst_branch when returning false).
+ * return true - detection is completed, link has been fully updated with latest
+ * detection result.
+ */
+bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason);
 
-#if defined(CONFIG_DRM_AMD_DC_HDCP)
-union hdcp_rx_caps {
-	struct {
-		uint8_t version;
-		uint8_t reserved;
-		struct {
-			uint8_t repeater	: 1;
-			uint8_t hdcp_capable	: 1;
-			uint8_t reserved	: 6;
-		} byte0;
-	} fields;
-	uint8_t raw[3];
-};
+/* determine if there is a sink connected to the link
+ *
+ * @type - dc_connection_single if connected, dc_connection_none otherwise.
+ * return - false if an unexpected error occurs, true otherwise.
+ *
+ * NOTE: This function doesn't detect downstream sink connections i.e
+ * dc_connection_mst_branch, dc_connection_sst_branch. In this case, it will
+ * return dc_connection_single if the branch device is connected despite of
+ * downstream sink's connection status.
+ */
+bool dc_link_detect_connection_type(struct dc_link *link,
+		enum dc_connection_type *type);
 
-union hdcp_bcaps {
-	struct {
-		uint8_t HDCP_CAPABLE:1;
-		uint8_t REPEATER:1;
-		uint8_t RESERVED:6;
-	} bits;
-	uint8_t raw;
-};
+/* Getter for cached link status from given link */
+const struct dc_link_status *dc_link_get_status(const struct dc_link *link);
 
-struct hdcp_caps {
-	union hdcp_rx_caps rx_caps;
-	union hdcp_bcaps bcaps;
-};
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+/* return true if the connected receiver supports the hdcp version */
+bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal);
+bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal);
 #endif
 
-#include "dc_link.h"
+/* The function clears recorded DP RX states in the link. DM should call this
+ * function when it is resuming from S3 power state to previously connected links.
+ *
+ * TODO - in the future we should consider to expand link resume interface to
+ * support clearing previous rx states. So we don't have to rely on dm to call
+ * this interface explicitly.
+ */
+void dc_link_clear_dprx_states(struct dc_link *link);
 
-uint32_t dc_get_opp_for_plane(struct dc *dc, struct dc_plane_state *plane);
+/* Destruct the mst topology of the link and reset the allocated payload table
+ *
+ * NOTE: this should only be called if DM chooses not to call dc_link_detect but
+ * still wants to reset MST topology on an unplug event */
+bool dc_link_reset_cur_dp_mst_topology(struct dc_link *link);
+
+/* The function calculates effective DP link bandwidth when a given link is
+ * using the given link settings.
+ *
+ * return - total effective link bandwidth in kbps.
+ */
+uint32_t dc_link_bandwidth_kbps(
+	const struct dc_link *link,
+	const struct dc_link_settings *link_setting);
+
+/* The function returns minimum bandwidth required to drive a given timing
+ * return - minimum required timing bandwidth in kbps.
+ */
+uint32_t dc_bandwidth_in_kbps_from_timing(
+	const struct dc_crtc_timing *timing);
 
+/* The function takes a snapshot of current link resource allocation state
+ * @dc: pointer to dc of the dm calling this
+ * @map: a dc link resource snapshot defined internally to dc.
+ *
+ * DM needs to capture a snapshot of current link resource allocation mapping
+ * and store it in its persistent storage.
+ *
+ * Some of the link resource is using first come first serve policy.
+ * The allocation mapping depends on original hotplug order. This information
+ * is lost after driver is loaded next time. The snapshot is used in order to
+ * restore link resource to its previous state so user will get consistent
+ * link capability allocation across reboot.
+ *
+ */
+void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map);
+
+/* This function restores link resource allocation state from a snapshot
+ * @dc: pointer to dc of the dm calling this
+ * @map: a dc link resource snapshot defined internally to dc.
+ *
+ * DM needs to call this function after initial link detection on boot and
+ * before first commit streams to restore link resource allocation state
+ * from previous boot session.
+ *
+ * Some of the link resource is using first come first serve policy.
+ * The allocation mapping depends on original hotplug order. This information
+ * is lost after driver is loaded next time. The snapshot is used in order to
+ * restore link resource to its previous state so user will get consistent
+ * link capability allocation across reboot.
+ *
+ */
+void dc_restore_link_res_map(const struct dc *dc, uint32_t *map);
+
+/* TODO: this is not meant to be exposed to DM. Should switch to stream update
+ * interface i.e stream_update->dsc_config
+ */
+bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx);
 /* Sink Interfaces - A sink corresponds to a display output device */
 
 struct dc_container_id {
@@ -1505,6 +1524,11 @@ struct dc_sink_fec_caps {
 	bool is_topology_fec_supported;
 };
 
+struct scdc_caps {
+	union hdmi_scdc_manufacturer_OUI_data manufacturer_OUI;
+	union hdmi_scdc_device_id_data device_id;
+};
+
 /*
  * The sink structure contains EDID and other display device properties
  */
@@ -1518,6 +1542,7 @@ struct dc_sink {
 	struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
 	bool converter_disable_audio;
 
+	struct scdc_caps scdc_caps;
 	struct dc_sink_dsc_caps dsc_caps;
 	struct dc_sink_fec_caps fec_caps;
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h b/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h
index 7b036a772b0c..428e3a9ab65a 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h
@@ -178,6 +178,9 @@ enum display_dongle_type {
 	DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE,
 };
 
+#define DC_MAX_EDID_BUFFER_SIZE 2048
+#define DC_EDID_BLOCK_SIZE 128
+
 struct ddc_service {
 	struct ddc *ddc_pin;
 	struct ddc_flags flags;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index 6ccf477d1c4d..c2092775ca88 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -698,7 +698,7 @@ static void populate_subvp_cmd_pipe_info(struct dc *dc,
  *
  * @dc: [in] current dc state
  * @context: [in] new dc state
- * @cmd: [in] DMUB cmd to be populated with SubVP info
+ * @enable: [in] if true enables the pipes population
  *
  * This function loops through each pipe and populates the DMUB SubVP CMD info
  * based on the pipe (e.g. SubVP, VBLANK).
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
index 184583807d45..809a1851f196 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
@@ -27,6 +27,7 @@
 #define DC_DP_TYPES_H
 
 #include "os_types.h"
+#include "dc_ddc_types.h"
 
 enum dc_lane_count {
 	LANE_COUNT_UNKNOWN = 0,
@@ -1125,4 +1126,139 @@ struct edp_psr_info {
 	uint8_t force_psrsu_cap;
 };
 
+struct dprx_states {
+	bool cable_id_written;
+};
+
+enum dpcd_downstream_port_max_bpc {
+	DOWN_STREAM_MAX_8BPC = 0,
+	DOWN_STREAM_MAX_10BPC,
+	DOWN_STREAM_MAX_12BPC,
+	DOWN_STREAM_MAX_16BPC
+};
+
+enum link_training_offset {
+	DPRX                = 0,
+	LTTPR_PHY_REPEATER1 = 1,
+	LTTPR_PHY_REPEATER2 = 2,
+	LTTPR_PHY_REPEATER3 = 3,
+	LTTPR_PHY_REPEATER4 = 4,
+	LTTPR_PHY_REPEATER5 = 5,
+	LTTPR_PHY_REPEATER6 = 6,
+	LTTPR_PHY_REPEATER7 = 7,
+	LTTPR_PHY_REPEATER8 = 8
+};
+
+#define MAX_REPEATER_CNT 8
+
+struct dc_lttpr_caps {
+	union dpcd_rev revision;
+	uint8_t mode;
+	uint8_t max_lane_count;
+	uint8_t max_link_rate;
+	uint8_t phy_repeater_cnt;
+	uint8_t max_ext_timeout;
+	union dp_main_link_channel_coding_lttpr_cap main_link_channel_coding;
+	union dp_128b_132b_supported_lttpr_link_rates supported_128b_132b_rates;
+	uint8_t aux_rd_interval[MAX_REPEATER_CNT - 1];
+};
+
+struct dc_dongle_dfp_cap_ext {
+	bool supported;
+	uint16_t max_pixel_rate_in_mps;
+	uint16_t max_video_h_active_width;
+	uint16_t max_video_v_active_height;
+	struct dp_encoding_format_caps encoding_format_caps;
+	struct dp_color_depth_caps rgb_color_depth_caps;
+	struct dp_color_depth_caps ycbcr444_color_depth_caps;
+	struct dp_color_depth_caps ycbcr422_color_depth_caps;
+	struct dp_color_depth_caps ycbcr420_color_depth_caps;
+};
+
+struct dc_dongle_caps {
+	/* dongle type (DP converter, CV smart dongle) */
+	enum display_dongle_type dongle_type;
+	bool extendedCapValid;
+	/* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
+	indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
+	bool is_dp_hdmi_s3d_converter;
+	bool is_dp_hdmi_ycbcr422_pass_through;
+	bool is_dp_hdmi_ycbcr420_pass_through;
+	bool is_dp_hdmi_ycbcr422_converter;
+	bool is_dp_hdmi_ycbcr420_converter;
+	uint32_t dp_hdmi_max_bpc;
+	uint32_t dp_hdmi_max_pixel_clk_in_khz;
+	uint32_t dp_hdmi_frl_max_link_bw_in_kbps;
+	struct dc_dongle_dfp_cap_ext dfp_cap_ext;
+};
+
+struct dpcd_caps {
+	union dpcd_rev dpcd_rev;
+	union max_lane_count max_ln_count;
+	union max_down_spread max_down_spread;
+	union dprx_feature dprx_feature;
+
+	/* valid only for eDP v1.4 or higher*/
+	uint8_t edp_supported_link_rates_count;
+	enum dc_link_rate edp_supported_link_rates[8];
+
+	/* dongle type (DP converter, CV smart dongle) */
+	enum display_dongle_type dongle_type;
+	bool is_dongle_type_one;
+	/* branch device or sink device */
+	bool is_branch_dev;
+	/* Dongle's downstream count. */
+	union sink_count sink_count;
+	bool is_mst_capable;
+	/* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
+	indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
+	struct dc_dongle_caps dongle_caps;
+
+	uint32_t sink_dev_id;
+	int8_t sink_dev_id_str[6];
+	int8_t sink_hw_revision;
+	int8_t sink_fw_revision[2];
+
+	uint32_t branch_dev_id;
+	int8_t branch_dev_name[6];
+	int8_t branch_hw_revision;
+	int8_t branch_fw_revision[2];
+
+	bool allow_invalid_MSA_timing_param;
+	bool panel_mode_edp;
+	bool dpcd_display_control_capable;
+	bool ext_receiver_cap_field_present;
+	bool set_power_state_capable_edp;
+	bool dynamic_backlight_capable_edp;
+	union dpcd_fec_capability fec_cap;
+	struct dpcd_dsc_capabilities dsc_caps;
+	struct dc_lttpr_caps lttpr_caps;
+	struct adaptive_sync_caps adaptive_sync_caps;
+	struct dpcd_usb4_dp_tunneling_info usb4_dp_tun_info;
+
+	union dp_128b_132b_supported_link_rates dp_128b_132b_supported_link_rates;
+	union dp_main_line_channel_coding_cap channel_coding_cap;
+	union dp_sink_video_fallback_formats fallback_formats;
+	union dp_fec_capability1 fec_cap1;
+	union dp_cable_id cable_id;
+	uint8_t edp_rev;
+	union edp_alpm_caps alpm_caps;
+	struct edp_psr_info psr_info;
+};
+
+union dpcd_sink_ext_caps {
+	struct {
+		/* 0 - Sink supports backlight adjust via PWM during SDR/HDR mode
+		 * 1 - Sink supports backlight adjust via AUX during SDR/HDR mode.
+		 */
+		uint8_t sdr_aux_backlight_control : 1;
+		uint8_t hdr_aux_backlight_control : 1;
+		uint8_t reserved_1 : 2;
+		uint8_t oled : 1;
+		uint8_t reserved_2 : 1;
+		uint8_t miniled : 1;
+		uint8_t reserved : 1;
+	} bits;
+	uint8_t raw;
+};
 #endif /* DC_DP_TYPES_H */
diff --git a/drivers/gpu/drm/amd/display/dc/dc_hdmi_types.h b/drivers/gpu/drm/amd/display/dc/dc_hdmi_types.h
index faf0d175bf19..c364744b4c83 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_hdmi_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hdmi_types.h
@@ -69,6 +69,9 @@ static const uint8_t dp_hdmi_dongle_signature_str[] = "DP-HDMI ADAPTOR";
 #define HDMI_SCDC_ERR_DETECT 0x50
 #define HDMI_SCDC_TEST_CONFIG 0xC0
 
+#define HDMI_SCDC_MANUFACTURER_OUI 0xD0
+#define HDMI_SCDC_DEVICE_ID 0xDB
+
 union hdmi_scdc_update_read_data {
 	uint8_t byte[2];
 	struct {
@@ -111,4 +114,21 @@ union hdmi_scdc_ced_data {
 	} fields;
 };
 
+union hdmi_scdc_manufacturer_OUI_data {
+	uint8_t byte[3];
+	struct {
+		uint8_t Manufacturer_OUI_1:8;
+		uint8_t Manufacturer_OUI_2:8;
+		uint8_t Manufacturer_OUI_3:8;
+	} fields;
+};
+
+union hdmi_scdc_device_id_data {
+	uint8_t byte;
+	struct {
+		uint8_t Hardware_Minor_Rev:4;
+		uint8_t Hardware_Major_Rev:4;
+	} fields;
+};
+
 #endif /* DC_HDMI_TYPES_H */
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index 64d5d9b28ca6..cecd807f5ed8 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -39,15 +39,6 @@ enum dc_link_fec_state {
 	dc_link_fec_enabled
 };
 
-struct dc_link_status {
-	bool link_active;
-	struct dpcd_caps *dpcd_caps;
-};
-
-struct dprx_states {
-	bool cable_id_written;
-};
-
 /* DP MST stream allocation (payload bandwidth number) */
 struct link_mst_stream_allocation {
 	/* DIG front */
@@ -102,6 +93,7 @@ struct psr_settings {
 	bool psr_allow_active;			// PSR is currently active
 	enum dc_psr_version psr_version;		// Internal PSR version, determined based on DPCD
 	bool psr_vtotal_control_support;	// Vtotal control is supported by sink
+	unsigned long long psr_dirty_rects_change_timestamp_ns;	// for delay of enabling PSR-SU
 
 	/* These parameters are calculated in Driver,
 	 * based on display timing and Sink capabilities.
@@ -166,6 +158,8 @@ struct dc_dpia_bw_alloc {
 	bool response_ready;   // Response ready from the CM side
 };
 
+#define MAX_SINKS_PER_LINK 4
+
 /*
  * A link contains one or more sinks and their connected status.
  * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
@@ -301,7 +295,6 @@ struct dc_link {
 	struct phy_state phy_state;
 };
 
-const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link);
 
 /**
  * dc_get_link_at_index() - Return an enumerated dc_link.
@@ -384,32 +377,7 @@ bool dc_link_setup_psr(struct dc_link *dc_link,
 		const struct dc_stream_state *stream, struct psr_config *psr_config,
 		struct psr_context *psr_context);
 
-void dc_link_blank_all_dp_displays(struct dc *dc);
-void dc_link_blank_all_edp_displays(struct dc *dc);
-
-void dc_link_blank_dp_stream(struct dc_link *link, bool hw_init);
-
-/* Request DC to detect if there is a Panel connected.
- * boot - If this call is during initial boot.
- * Return false for any type of detection failure or MST detection
- * true otherwise. True meaning further action is required (status update
- * and OS notification).
- */
-enum dc_detect_reason {
-	DETECT_REASON_BOOT,
-	DETECT_REASON_RESUMEFROMS3S4,
-	DETECT_REASON_HPD,
-	DETECT_REASON_HPDRX,
-	DETECT_REASON_FALLBACK,
-	DETECT_REASON_RETRAIN,
-	DETECT_REASON_TDR,
-};
-
-bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason);
 bool dc_link_get_hpd_state(struct dc_link *dc_link);
-enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx);
-enum dc_status dc_link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn);
-enum dc_status dc_link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn);
 
 /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt).
  * Return:
@@ -432,8 +400,8 @@ void dc_link_dp_handle_automated_test(struct dc_link *link);
 void dc_link_dp_handle_link_loss(struct dc_link *link);
 bool dc_link_dp_allow_hpd_rx_irq(const struct dc_link *link);
 bool dc_link_check_link_loss_status(struct dc_link *link,
-				       union hpd_irq_data *hpd_irq_dpcd_data);
-enum dc_status dp_read_hpd_rx_irq_data(
+		union hpd_irq_data *hpd_irq_dpcd_data);
+enum dc_status dc_link_dp_read_hpd_rx_irq_data(
 	struct dc_link *link,
 	union hpd_irq_data *irq_data);
 struct dc_sink_init_data;
@@ -478,16 +446,10 @@ bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_
 void dc_link_enable_hpd_filter(struct dc_link *link, bool enable);
 
 bool dc_link_is_dp_sink_present(struct dc_link *link);
-
-bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type);
 /*
  * DPCD access interfaces
  */
 
-#ifdef CONFIG_DRM_AMD_DC_HDCP
-bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal);
-bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal);
-#endif
 void dc_link_set_drive_settings(struct dc *dc,
 				struct link_training_settings *lt_settings,
 				const struct dc_link *link);
@@ -507,9 +469,6 @@ void dc_link_set_test_pattern(struct dc_link *link,
 			const struct link_training_settings *p_link_settings,
 			const unsigned char *p_custom_pattern,
 			unsigned int cust_pattern_size);
-uint32_t dc_link_bandwidth_kbps(
-	const struct dc_link *link,
-	const struct dc_link_settings *link_setting);
 
 const struct dc_link_settings *dc_link_get_link_cap(
 		const struct dc_link *link);
@@ -531,22 +490,16 @@ bool dc_submit_i2c_oem(
 		struct dc *dc,
 		struct i2c_command *cmd);
 
-uint32_t dc_bandwidth_in_kbps_from_timing(
-	const struct dc_crtc_timing *timing);
-
 bool dc_link_is_fec_supported(const struct dc_link *link);
 bool dc_link_should_enable_fec(const struct dc_link *link);
 
 uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data(uint8_t bw);
 enum dp_link_encoding dc_link_dp_mst_decide_link_encoding_format(const struct dc_link *link);
 
-void dc_link_get_cur_link_res(const struct dc_link *link,
-		struct link_resource *link_res);
 /* take a snapshot of current link resource allocation state */
 void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map);
 /* restore link resource allocation state from a snapshot */
 void dc_restore_link_res_map(const struct dc *dc, uint32_t *map);
-void dc_link_clear_dprx_states(struct dc_link *link);
 void dp_trace_reset(struct dc_link *link);
 bool dc_dp_trace_is_initialized(struct dc_link *link);
 unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link,
@@ -560,9 +513,6 @@ struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link,
 		bool in_detection);
 unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link);
 
-/* Destruct the mst topology of the link and reset the allocated payload table */
-bool reset_cur_dp_mst_topology(struct dc_link *link);
-
 /* Attempt to transfer the given aux payload. This function does not perform
  * retries or handle error states. The reply is returned in the payload->reply
  * and the result through operation_result. Returns the number of bytes
@@ -581,55 +531,6 @@ bool dc_link_decide_edp_link_settings(struct dc_link *link,
 void dc_link_edp_panel_backlight_power_on(struct dc_link *link,
 		bool wait_for_hpd);
 
-#define LINK_TRAINING_ATTEMPTS 4
-#define LINK_TRAINING_RETRY_DELAY 50 /* ms */
-#define MAX_MTP_SLOT_COUNT 64
-#define TRAINING_AUX_RD_INTERVAL 100 //us
-#define LINK_AUX_WAKE_TIMEOUT_MS 1500 // Timeout when trying to wake unresponsive DPRX.
-
-struct dc_link;
-struct dc_stream_state;
-struct dc_link_settings;
-
-enum {
-	/*
-	 * Some receivers fail to train on first try and are good
-	 * on subsequent tries. 2 retries should be plenty. If we
-	 * don't have a successful training then we don't expect to
-	 * ever get one.
-	 */
-	LINK_TRAINING_MAX_VERIFY_RETRY = 2,
-	PEAK_FACTOR_X1000 = 1006,
-};
-
-bool dp_validate_mode_timing(
-	struct dc_link *link,
-	const struct dc_crtc_timing *timing);
-
-void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
-
-enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready);
-void dp_set_fec_enable(struct dc_link *link, bool enable);
-bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable);
-bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update);
-void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
-bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx);
-bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable);
-
-bool dpcd_write_128b_132b_sst_payload_allocation_table(
-		const struct dc_stream_state *stream,
-		struct dc_link *link,
-		struct link_mst_stream_allocation_table *proposed_table,
-		bool allocate);
-
-bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link);
-
-struct fixed31_32 calculate_sst_avg_time_slots_per_mtp(
-		const struct dc_stream_state *stream,
-		const struct dc_link *link);
-void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable);
-void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode);
-
 /*
  *  USB4 DPIA BW ALLOCATION PUBLIC FUNCTIONS
  */
@@ -657,4 +558,20 @@ void dc_link_set_usb4_req_bw_req(struct dc_link *link, int req_bw);
  */
 void dc_link_get_usb4_req_bw_resp(struct dc_link *link, uint8_t bw, uint8_t result);
 
+/*
+ * Handle the USB4 BW Allocation related functionality here:
+ * Plug => Try to allocate max bw from timing parameters supported by the sink
+ * Unplug => de-allocate bw
+ *
+ * @link: pointer to the dc_link struct instance
+ * @peak_bw: Peak bw used by the link/sink
+ *
+ * return: allocated bw else return 0
+ */
+int dc_link_dp_dpia_handle_usb4_bandwidth_allocation_for_link(struct dc_link *link, int peak_bw);
+
+/* TODO: this is not meant to be exposed to DM. Should switch to stream update
+ * interface i.e stream_update->dsc_config
+ */
+bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx);
 #endif /* DC_LINK_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index f653eca09ba7..27d0242d6cbd 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -32,6 +32,7 @@
 #include "os_types.h"
 #include "fixed31_32.h"
 #include "irq_types.h"
+#include "dc_ddc_types.h"
 #include "dc_dp_types.h"
 #include "dc_hdmi_types.h"
 #include "dc_hw_types.h"
@@ -83,13 +84,8 @@ struct dc_perf_trace {
 	unsigned long last_entry_write;
 };
 
-#define DC_MAX_EDID_BUFFER_SIZE 2048
-#define DC_EDID_BLOCK_SIZE 128
 #define MAX_SURFACE_NUM 4
 #define NUM_PIXEL_FORMATS 10
-#define MAX_REPEATER_CNT 8
-
-#include "dc_ddc_types.h"
 
 enum tiling_mode {
 	TILING_MODE_INVALID,
@@ -375,66 +371,6 @@ struct dc_csc_adjustments {
 	struct fixed31_32 hue;
 };
 
-enum dpcd_downstream_port_max_bpc {
-	DOWN_STREAM_MAX_8BPC = 0,
-	DOWN_STREAM_MAX_10BPC,
-	DOWN_STREAM_MAX_12BPC,
-	DOWN_STREAM_MAX_16BPC
-};
-
-
-enum link_training_offset {
-	DPRX                = 0,
-	LTTPR_PHY_REPEATER1 = 1,
-	LTTPR_PHY_REPEATER2 = 2,
-	LTTPR_PHY_REPEATER3 = 3,
-	LTTPR_PHY_REPEATER4 = 4,
-	LTTPR_PHY_REPEATER5 = 5,
-	LTTPR_PHY_REPEATER6 = 6,
-	LTTPR_PHY_REPEATER7 = 7,
-	LTTPR_PHY_REPEATER8 = 8
-};
-
-struct dc_lttpr_caps {
-	union dpcd_rev revision;
-	uint8_t mode;
-	uint8_t max_lane_count;
-	uint8_t max_link_rate;
-	uint8_t phy_repeater_cnt;
-	uint8_t max_ext_timeout;
-	union dp_main_link_channel_coding_lttpr_cap main_link_channel_coding;
-	union dp_128b_132b_supported_lttpr_link_rates supported_128b_132b_rates;
-	uint8_t aux_rd_interval[MAX_REPEATER_CNT - 1];
-};
-
-struct dc_dongle_dfp_cap_ext {
-	bool supported;
-	uint16_t max_pixel_rate_in_mps;
-	uint16_t max_video_h_active_width;
-	uint16_t max_video_v_active_height;
-	struct dp_encoding_format_caps encoding_format_caps;
-	struct dp_color_depth_caps rgb_color_depth_caps;
-	struct dp_color_depth_caps ycbcr444_color_depth_caps;
-	struct dp_color_depth_caps ycbcr422_color_depth_caps;
-	struct dp_color_depth_caps ycbcr420_color_depth_caps;
-};
-
-struct dc_dongle_caps {
-	/* dongle type (DP converter, CV smart dongle) */
-	enum display_dongle_type dongle_type;
-	bool extendedCapValid;
-	/* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
-	indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
-	bool is_dp_hdmi_s3d_converter;
-	bool is_dp_hdmi_ycbcr422_pass_through;
-	bool is_dp_hdmi_ycbcr420_pass_through;
-	bool is_dp_hdmi_ycbcr422_converter;
-	bool is_dp_hdmi_ycbcr420_converter;
-	uint32_t dp_hdmi_max_bpc;
-	uint32_t dp_hdmi_max_pixel_clk_in_khz;
-	uint32_t dp_hdmi_frl_max_link_bw_in_kbps;
-	struct dc_dongle_dfp_cap_ext dfp_cap_ext;
-};
 /* Scaling format */
 enum scaling_transformation {
 	SCALING_TRANSFORMATION_UNINITIALIZED,
@@ -1003,4 +939,47 @@ struct otg_phy_mux {
 };
 #endif
 
+enum dc_detect_reason {
+	DETECT_REASON_BOOT,
+	DETECT_REASON_RESUMEFROMS3S4,
+	DETECT_REASON_HPD,
+	DETECT_REASON_HPDRX,
+	DETECT_REASON_FALLBACK,
+	DETECT_REASON_RETRAIN,
+	DETECT_REASON_TDR,
+};
+
+struct dc_link_status {
+	bool link_active;
+	struct dpcd_caps *dpcd_caps;
+};
+
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+union hdcp_rx_caps {
+	struct {
+		uint8_t version;
+		uint8_t reserved;
+		struct {
+			uint8_t repeater	: 1;
+			uint8_t hdcp_capable	: 1;
+			uint8_t reserved	: 6;
+		} byte0;
+	} fields;
+	uint8_t raw[3];
+};
+
+union hdcp_bcaps {
+	struct {
+		uint8_t HDCP_CAPABLE:1;
+		uint8_t REPEATER:1;
+		uint8_t RESERVED:6;
+	} bits;
+	uint8_t raw;
+};
+
+struct hdcp_caps {
+	union hdcp_rx_caps rx_caps;
+	union hdcp_bcaps bcaps;
+};
+#endif
 #endif /* DC_TYPES_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index adb36be8190e..fb3fd5b7c78b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1566,10 +1566,10 @@ static enum dc_status apply_single_controller_ctx_to_hw(
 			pipe_ctx->stream_res.tg->inst);
 
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
-		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG);
+		link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG);
 
 	if (!stream->dpms_off)
-		core_link_enable_stream(context, pipe_ctx);
+		link_set_dpms_on(context, pipe_ctx);
 
 	/* DCN3.1 FPGA Workaround
 	 * Need to enable HPO DP Stream Encoder before setting OTG master enable.
@@ -1602,7 +1602,7 @@ static void power_down_encoders(struct dc *dc)
 	for (i = 0; i < dc->link_count; i++) {
 		enum signal_type signal = dc->links[i]->connector_signal;
 
-		dc_link_blank_dp_stream(dc->links[i], false);
+		link_blank_dp_stream(dc->links[i], false);
 
 		if (signal != SIGNAL_TYPE_EDP)
 			signal = SIGNAL_TYPE_NONE;
@@ -2085,7 +2085,7 @@ static void dce110_reset_hw_ctx_wrap(
 			 * disabled already, no need to disable again.
 			 */
 			if (!pipe_ctx->stream || !pipe_ctx->stream->dpms_off) {
-				core_link_disable_stream(pipe_ctx_old);
+				link_set_dpms_off(pipe_ctx_old);
 
 				/* free acquired resources*/
 				if (pipe_ctx_old->stream_res.audio) {
@@ -3079,7 +3079,7 @@ void dce110_enable_dp_link_output(
 	if (dmcu != NULL && dmcu->funcs->unlock_phy)
 		dmcu->funcs->unlock_phy(dmcu);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY);
 }
 
 void dce110_disable_link_output(struct dc_link *link,
@@ -3104,7 +3104,7 @@ void dce110_disable_link_output(struct dc_link *link,
 		link->dc->hwss.edp_power_control(link, false);
 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
 		dmcu->funcs->unlock_phy(dmcu);
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
 }
 
 static const struct hw_sequencer_funcs dce110_funcs = {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
index f607a0e28f14..f62368da875d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
@@ -581,7 +581,7 @@ static void dpp1_dscl_set_manual_ratio_init(
  * dpp1_dscl_set_recout - Set the first pixel of RECOUT in the OTG active area
  *
  * @dpp: DPP data struct
- * @recount: Rectangle information
+ * @recout: Rectangle information
  *
  * This function sets the MPC RECOUT_START and RECOUT_SIZE registers based on
  * the values specified in the recount parameter.
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index f735ae5e045f..a1a29c508394 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1017,7 +1017,7 @@ static void dcn10_reset_back_end_for_pipe(
 		 * VBIOS lit up eDP, so check link status too.
 		 */
 		if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
-			core_link_disable_stream(pipe_ctx);
+			link_set_dpms_off(pipe_ctx);
 		else if (pipe_ctx->stream_res.audio)
 			dc->hwss.disable_audio_stream(pipe_ctx);
 
@@ -1564,7 +1564,7 @@ void dcn10_init_hw(struct dc *dc)
 	}
 
 	/* we want to turn off all dp displays before doing detection */
-	dc_link_blank_all_dp_displays(dc);
+	link_blank_all_dp_displays(dc);
 
 	if (hws->funcs.enable_power_gating_plane)
 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
@@ -3223,12 +3223,16 @@ static void dcn10_config_stereo_parameters(
 			timing_3d_format == TIMING_3D_FORMAT_INBAND_FA ||
 			timing_3d_format == TIMING_3D_FORMAT_DP_HDMI_INBAND_FA ||
 			timing_3d_format == TIMING_3D_FORMAT_SIDEBAND_FA) {
-			enum display_dongle_type dongle = \
-					stream->link->ddc->dongle_type;
-			if (dongle == DISPLAY_DONGLE_DP_VGA_CONVERTER ||
-				dongle == DISPLAY_DONGLE_DP_DVI_CONVERTER ||
-				dongle == DISPLAY_DONGLE_DP_HDMI_CONVERTER)
-				flags->DISABLE_STEREO_DP_SYNC = 1;
+
+			if (stream->link && stream->link->ddc) {
+				enum display_dongle_type dongle = \
+						stream->link->ddc->dongle_type;
+
+				if (dongle == DISPLAY_DONGLE_DP_VGA_CONVERTER ||
+					dongle == DISPLAY_DONGLE_DP_DVI_CONVERTER ||
+					dongle == DISPLAY_DONGLE_DP_HDMI_CONVERTER)
+					flags->DISABLE_STEREO_DP_SYNC = 1;
+			}
 		}
 		flags->RIGHT_EYE_POLARITY =\
 				stream->timing.flags.RIGHT_EYE_3D_POLARITY;
@@ -3624,7 +3628,7 @@ void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx)
 						(int)hubp->curs_attr.width || pos_cpy.x
 						<= (int)hubp->curs_attr.width +
 						pipe_ctx->plane_state->src_rect.x) {
-						pos_cpy.x = temp_x + viewport_width;
+						pos_cpy.x = 2 * viewport_width - temp_x;
 					}
 				}
 			} else {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
index 88ac5f6f4c96..0b37bb0e184b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
@@ -519,7 +519,8 @@ struct dcn_optc_registers {
 	type OTG_CRC_DATA_STREAM_COMBINE_MODE;\
 	type OTG_CRC_DATA_STREAM_SPLIT_MODE;\
 	type OTG_CRC_DATA_FORMAT;\
-	type OTG_V_TOTAL_LAST_USED_BY_DRR;
+	type OTG_V_TOTAL_LAST_USED_BY_DRR;\
+	type OTG_DRR_TIMING_DBUF_UPDATE_PENDING;
 
 #define TG_REG_FIELD_LIST_DCN3_2(type) \
 	type OTG_H_TIMING_DIV_MODE_MANUAL;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
index a1e32b938050..3c451ab5d3ca 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
@@ -933,7 +933,7 @@ void enc1_stream_encoder_dp_blank(
 	/* disable DP stream */
 	REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM);
 
 	/* the encoder stops sending the video stream
 	 * at the start of the vertical blanking.
@@ -952,7 +952,7 @@ void enc1_stream_encoder_dp_blank(
 
 	REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, true);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET);
 }
 
 /* output video stream to link encoder */
@@ -1025,7 +1025,7 @@ void enc1_stream_encoder_dp_unblank(
 
 	REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
 }
 
 void enc1_stream_encoder_set_avmute(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index cb8edb14603a..b83873a3a534 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1826,15 +1826,17 @@ void dcn20_program_front_end_for_ctx(
 	/* When disabling phantom pipes, turn on phantom OTG first (so we can get double
 	 * buffer updates properly)
 	 */
-	for (i = 0; i < dc->res_pool->pipe_count; i++)
-		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
-				&& dc->current_state->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct dc_stream_state *stream = dc->current_state->res_ctx.pipe_ctx[i].stream;
+
+		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable && stream &&
+			dc->current_state->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
 			struct timing_generator *tg = dc->current_state->res_ctx.pipe_ctx[i].stream_res.tg;
 
 			if (tg->funcs->enable_crtc)
 				tg->funcs->enable_crtc(tg);
 		}
-
+	}
 	/* OTG blank before disabling all front ends */
 	for (i = 0; i < dc->res_pool->pipe_count; i++)
 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
@@ -2447,7 +2449,7 @@ static void dcn20_reset_back_end_for_pipe(
 		 * VBIOS lit up eDP, so check link status too.
 		 */
 		if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
-			core_link_disable_stream(pipe_ctx);
+			link_set_dpms_off(pipe_ctx);
 		else if (pipe_ctx->stream_res.audio)
 			dc->hwss.disable_audio_stream(pipe_ctx);
 
@@ -2467,7 +2469,7 @@ static void dcn20_reset_back_end_for_pipe(
 		}
 	}
 	else if (pipe_ctx->stream_res.dsc) {
-		dp_set_dsc_enable(pipe_ctx, false);
+		link_set_dsc_enable(pipe_ctx, false);
 	}
 
 	/* by upper caller loop, parent pipe: pipe0, will be reset last.
@@ -2741,7 +2743,7 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
 	dc->hwss.update_info_frame(pipe_ctx);
 
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
-		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
+		link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
 
 	/* enable early control to avoid corruption on DP monitor*/
 	active_total_with_borders =
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
index 48f662b031eb..42865d6c0cdd 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
@@ -546,7 +546,7 @@ void enc2_stream_encoder_dp_unblank(
 
 	REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
 }
 
 static void enc2_dp_set_odm_combine(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
index 69cc192a7e71..15475c7e2cf9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
@@ -35,7 +35,7 @@
 #include "hw/clk_mgr.h"
 #include "dc_dmub_srv.h"
 #include "abm.h"
-
+#include "link.h"
 
 #define DC_LOGGER_INIT(logger)
 
@@ -132,8 +132,8 @@ void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx)
 		return;
 
 	pipe_ctx->stream->dpms_off = false;
-	core_link_enable_stream(context, pipe_ctx);
-	core_link_disable_stream(pipe_ctx);
+	link_set_dpms_on(context, pipe_ctx);
+	link_set_dpms_off(pipe_ctx);
 	pipe_ctx->stream->dpms_off = true;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
index 444f9fad3de6..df787fcf8e86 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
@@ -90,8 +90,8 @@ bool dcn30_set_blend_lut(
 	return result;
 }
 
-static bool dcn30_set_mpc_shaper_3dlut(
-	struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream)
+static bool dcn30_set_mpc_shaper_3dlut(struct pipe_ctx *pipe_ctx,
+				       const struct dc_stream_state *stream)
 {
 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
@@ -103,19 +103,18 @@ static bool dcn30_set_mpc_shaper_3dlut(
 	const struct pwl_params *shaper_lut = NULL;
 	//get the shaper lut params
 	if (stream->func_shaper) {
-		if (stream->func_shaper->type == TF_TYPE_HWPWL)
+		if (stream->func_shaper->type == TF_TYPE_HWPWL) {
 			shaper_lut = &stream->func_shaper->pwl;
-		else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
-			cm_helper_translate_curve_to_hw_format(
-					stream->func_shaper,
-					&dpp_base->shaper_params, true);
+		} else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
+			cm_helper_translate_curve_to_hw_format(stream->func_shaper,
+							       &dpp_base->shaper_params, true);
 			shaper_lut = &dpp_base->shaper_params;
 		}
 	}
 
 	if (stream->lut3d_func &&
-		stream->lut3d_func->state.bits.initialized == 1 &&
-		stream->lut3d_func->state.bits.rmu_idx_valid == 1) {
+	    stream->lut3d_func->state.bits.initialized == 1 &&
+	    stream->lut3d_func->state.bits.rmu_idx_valid == 1) {
 		if (stream->lut3d_func->state.bits.rmu_mux_num == 0)
 			mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu0_mux;
 		else if (stream->lut3d_func->state.bits.rmu_mux_num == 1)
@@ -124,20 +123,22 @@ static bool dcn30_set_mpc_shaper_3dlut(
 			mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu2_mux;
 		if (mpcc_id_projected != mpcc_id)
 			BREAK_TO_DEBUGGER();
-		/*find the reason why logical layer assigned a differant mpcc_id into acquire_post_bldn_3dlut*/
+		/* find the reason why logical layer assigned a different
+		 * mpcc_id into acquire_post_bldn_3dlut
+		 */
 		acquired_rmu = mpc->funcs->acquire_rmu(mpc, mpcc_id,
-				stream->lut3d_func->state.bits.rmu_mux_num);
+						       stream->lut3d_func->state.bits.rmu_mux_num);
 		if (acquired_rmu != stream->lut3d_func->state.bits.rmu_mux_num)
 			BREAK_TO_DEBUGGER();
-		result = mpc->funcs->program_3dlut(mpc,
-								&stream->lut3d_func->lut_3d,
-								stream->lut3d_func->state.bits.rmu_mux_num);
+
+		result = mpc->funcs->program_3dlut(mpc, &stream->lut3d_func->lut_3d,
+						   stream->lut3d_func->state.bits.rmu_mux_num);
 		result = mpc->funcs->program_shaper(mpc, shaper_lut,
-				stream->lut3d_func->state.bits.rmu_mux_num);
-	} else
-		/*loop through the available mux and release the requested mpcc_id*/
+						    stream->lut3d_func->state.bits.rmu_mux_num);
+	} else {
+		// loop through the available mux and release the requested mpcc_id
 		mpc->funcs->release_rmu(mpc, mpcc_id);
-
+	}
 
 	return result;
 }
@@ -539,7 +540,7 @@ void dcn30_init_hw(struct dc *dc)
 			hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
 
 	/* we want to turn off all dp displays before doing detection */
-	dc_link_blank_all_dp_displays(dc);
+	link_blank_all_dp_displays(dc);
 
 	if (hws->funcs.enable_power_gating_plane)
 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
@@ -997,8 +998,5 @@ void dcn30_prepare_bandwidth(struct dc *dc,
 			dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
 
 	dcn20_prepare_bandwidth(dc, context);
-
-	dc_dmub_srv_p_state_delegate(dc,
-		context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching, context);
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
index 867d60151aeb..08b92715e2e6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
@@ -291,6 +291,14 @@ static void optc3_set_timing_double_buffer(struct timing_generator *optc, bool e
 		   OTG_DRR_TIMING_DBUF_UPDATE_MODE, mode);
 }
 
+void optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_WAIT(OTG_DOUBLE_BUFFER_CONTROL, OTG_DRR_TIMING_DBUF_UPDATE_PENDING, 0, 2, 100000); /* 1 vupdate at 5hz */
+
+}
+
 void optc3_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max)
 {
 	optc1_set_vtotal_min_max(optc, vtotal_min, vtotal_max);
@@ -360,6 +368,7 @@ static struct timing_generator_funcs dcn30_tg_funcs = {
 		.program_manual_trigger = optc2_program_manual_trigger,
 		.setup_manual_trigger = optc2_setup_manual_trigger,
 		.get_hw_timing = optc1_get_hw_timing,
+		.wait_drr_doublebuffer_pending_clear = optc3_wait_drr_doublebuffer_pending_clear,
 };
 
 void dcn30_timing_generator_init(struct optc *optc1)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h
index dd45a5499b07..fb06dc9a4893 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h
@@ -279,6 +279,7 @@
 	SF(OTG0_OTG_DRR_TRIGGER_WINDOW, OTG_DRR_TRIGGER_WINDOW_END_X, mask_sh),\
 	SF(OTG0_OTG_DRR_V_TOTAL_CHANGE, OTG_DRR_V_TOTAL_CHANGE_LIMIT, mask_sh),\
 	SF(OTG0_OTG_H_TIMING_CNTL, OTG_H_TIMING_DIV_BY2, mask_sh),\
+	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_DRR_TIMING_DBUF_UPDATE_PENDING, mask_sh),\
 	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_DRR_TIMING_DBUF_UPDATE_MODE, mask_sh),\
 	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_BLANK_DATA_DOUBLE_BUFFER_EN, mask_sh)
 
@@ -317,6 +318,7 @@
 	SF(OTG0_OTG_DRR_TRIGGER_WINDOW, OTG_DRR_TRIGGER_WINDOW_END_X, mask_sh),\
 	SF(OTG0_OTG_DRR_V_TOTAL_CHANGE, OTG_DRR_V_TOTAL_CHANGE_LIMIT, mask_sh),\
 	SF(OTG0_OTG_H_TIMING_CNTL, OTG_H_TIMING_DIV_MODE, mask_sh),\
+	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_DRR_TIMING_DBUF_UPDATE_PENDING, mask_sh),\
 	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_DRR_TIMING_DBUF_UPDATE_MODE, mask_sh)
 
 void dcn30_timing_generator_init(struct optc *optc1);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index feb4bb491525..b5b5320c7bef 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -1477,8 +1477,8 @@ bool dcn30_acquire_post_bldn_3dlut(
 				state->bits.mpc_rmu2_mux = mpcc_id;
 			ret = true;
 			break;
-			}
 		}
+	}
 	return ret;
 }
 
@@ -1648,7 +1648,8 @@ noinline bool dcn30_internal_validate_bw(
 		display_e2e_pipe_params_st *pipes,
 		int *pipe_cnt_out,
 		int *vlevel_out,
-		bool fast_validate)
+		bool fast_validate,
+		bool allow_self_refresh_only)
 {
 	bool out = false;
 	bool repopulate_pipes = false;
@@ -1675,7 +1676,7 @@ noinline bool dcn30_internal_validate_bw(
 
 	dml_log_pipe_params(&context->bw_ctx.dml, pipes, pipe_cnt);
 
-	if (!fast_validate) {
+	if (!fast_validate || !allow_self_refresh_only) {
 		/*
 		 * DML favors voltage over p-state, but we're more interested in
 		 * supporting p-state over voltage. We can't support p-state in
@@ -1688,11 +1689,12 @@ noinline bool dcn30_internal_validate_bw(
 		if (vlevel < context->bw_ctx.dml.soc.num_states)
 			vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge);
 	}
-	if (fast_validate || vlevel == context->bw_ctx.dml.soc.num_states ||
-			vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported) {
+	if (allow_self_refresh_only &&
+	    (fast_validate || vlevel == context->bw_ctx.dml.soc.num_states ||
+			vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported)) {
 		/*
-		 * If mode is unsupported or there's still no p-state support then
-		 * fall back to favoring voltage.
+		 * If mode is unsupported or there's still no p-state support
+		 * then fall back to favoring voltage.
 		 *
 		 * We don't actually support prefetch mode 2, so require that we
 		 * at least support prefetch mode 1.
@@ -2063,7 +2065,7 @@ bool dcn30_validate_bandwidth(struct dc *dc,
 	BW_VAL_TRACE_COUNT();
 
 	DC_FP_START();
-	out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate);
+	out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate, true);
 	DC_FP_END();
 
 	if (pipe_cnt == 0)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.h
index 7d063c7d6a4b..8e6b8b7368fd 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.h
@@ -64,7 +64,8 @@ bool dcn30_internal_validate_bw(
 		display_e2e_pipe_params_st *pipes,
 		int *pipe_cnt_out,
 		int *vlevel_out,
-		bool fast_validate);
+		bool fast_validate,
+		bool allow_self_refresh_only);
 void dcn30_calculate_wm_and_dlg(
 		struct dc *dc, struct dc_state *context,
 		display_e2e_pipe_params_st *pipes,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.h
index e015e5a6c866..89d6208287b5 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.h
@@ -133,6 +133,8 @@
 int hubbub31_init_dchub_sys_ctx(struct hubbub *hubbub,
 		struct dcn_hubbub_phys_addr_config *pa_config);
 
+void hubbub31_init(struct hubbub *hubbub);
+
 void hubbub31_construct(struct dcn20_hubbub *hubbub3,
 	struct dc_context *ctx,
 	const struct dcn_hubbub_registers *hubbub_regs,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
index 9871f9e189d3..d13e46eeee3c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
@@ -202,7 +202,7 @@ void dcn31_init_hw(struct dc *dc)
 		dmub_enable_outbox_notification(dc->ctx->dmub_srv);
 
 	/* we want to turn off all dp displays before doing detection */
-	dc_link_blank_all_dp_displays(dc);
+	link_blank_all_dp_displays(dc);
 
 	if (hws->funcs.enable_power_gating_plane)
 		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
@@ -230,7 +230,7 @@ void dcn31_init_hw(struct dc *dc)
 				}
 
 				if (num_opps > 1) {
-					dc_link_blank_all_edp_displays(dc);
+					link_blank_all_edp_displays(dc);
 					break;
 				}
 			}
@@ -565,7 +565,7 @@ static void dcn31_reset_back_end_for_pipe(
 		 * VBIOS lit up eDP, so check link status too.
 		 */
 		if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
-			core_link_disable_stream(pipe_ctx);
+			link_set_dpms_off(pipe_ctx);
 		else if (pipe_ctx->stream_res.audio)
 			dc->hwss.disable_audio_stream(pipe_ctx);
 
@@ -584,7 +584,7 @@ static void dcn31_reset_back_end_for_pipe(
 			}
 		}
 	} else if (pipe_ctx->stream_res.dsc) {
-			dp_set_dsc_enable(pipe_ctx, false);
+			link_set_dsc_enable(pipe_ctx, false);
 	}
 
 	pipe_ctx->stream = NULL;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index 3ca517dcc82d..d3918a10773a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -1795,7 +1795,7 @@ bool dcn31_validate_bandwidth(struct dc *dc,
 	BW_VAL_TRACE_COUNT();
 
 	DC_FP_START();
-	out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate);
+	out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate, true);
 	DC_FP_END();
 
 	// Disable fast_validate to set min dcfclk in alculate_wm_and_dlg
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
index b818ebe7d06d..962a2c02b422 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
@@ -366,7 +366,7 @@ static void enc314_stream_encoder_dp_unblank(
 	 */
 	enc314_enable_fifo(enc);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
 }
 
 /* Set DSC-related configuration.
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
index d725260336fe..575d3501c848 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
@@ -389,3 +389,27 @@ void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx)
 		pipe_ctx->stream_res.stream_enc->funcs->set_input_mode(pipe_ctx->stream_res.stream_enc,
 				pix_per_cycle);
 }
+
+void dcn314_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
+{
+	struct dc_context *ctx = hws->ctx;
+	union dmub_rb_cmd cmd;
+
+	if (hws->ctx->dc->debug.disable_hubp_power_gate)
+		return;
+
+	PERF_TRACE();
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.domain_control.header.type = DMUB_CMD__VBIOS;
+	cmd.domain_control.header.sub_type = DMUB_CMD__VBIOS_DOMAIN_CONTROL;
+	cmd.domain_control.header.payload_bytes = sizeof(cmd.domain_control.data);
+	cmd.domain_control.data.inst = hubp_inst;
+	cmd.domain_control.data.power_gate = !power_on;
+
+	dc_dmub_srv_cmd_queue(ctx->dmub_srv, &cmd);
+	dc_dmub_srv_cmd_execute(ctx->dmub_srv);
+	dc_dmub_srv_wait_idle(ctx->dmub_srv);
+
+	PERF_TRACE();
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h
index 244280298212..c419d3dbdfee 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h
@@ -41,4 +41,6 @@ unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsig
 
 void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx);
 
+void dcn314_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on);
+
 #endif /* __DC_HWSS_DCN314_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
index 5b6c2d94ec71..343f4d9dd5e3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
@@ -137,7 +137,7 @@ static const struct hwseq_private_funcs dcn314_private_funcs = {
 	.plane_atomic_disable = dcn20_plane_atomic_disable,
 	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
 	.enable_power_gating_plane = dcn314_enable_power_gating_plane,
-	.hubp_pg_control = dcn31_hubp_pg_control,
+	.hubp_pg_control = dcn314_hubp_pg_control,
 	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
 	.update_odm = dcn314_update_odm,
 	.dsc_pg_control = dcn314_dsc_pg_control,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index 79850a68f62a..54ed3de869d3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -892,6 +892,8 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.force_abm_enable = false,
 	.timing_trace = false,
 	.clock_trace = true,
+	.disable_dpp_power_gate = true,
+	.disable_hubp_power_gate = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_DYNAMIC,
 	.force_single_disp_pipe_split = false,
@@ -901,7 +903,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.max_downscale_src_width = 4096,/*upto true 4k*/
 	.disable_pplib_wm_range = false,
 	.scl_reset_length10 = true,
-	.sanity_checks = false,
+	.sanity_checks = true,
 	.underflow_assert_delay_us = 0xFFFFFFFF,
 	.dwb_fi_phase = -1, // -1 = disable,
 	.dmub_command_table = true,
@@ -1695,6 +1697,61 @@ static void dcn314_get_panel_config_defaults(struct dc_panel_config *panel_confi
 	*panel_config = panel_config_defaults;
 }
 
+bool dcn314_validate_bandwidth(struct dc *dc,
+		struct dc_state *context,
+		bool fast_validate)
+{
+	bool out = false;
+
+	BW_VAL_TRACE_SETUP();
+
+	int vlevel = 0;
+	int pipe_cnt = 0;
+	display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_KERNEL);
+	DC_LOGGER_INIT(dc->ctx->logger);
+
+	BW_VAL_TRACE_COUNT();
+
+	DC_FP_START();
+	// do not support self refresh only
+	out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate, false);
+	DC_FP_END();
+
+	// Disable fast_validate to set min dcfclk in calculate_wm_and_dlg
+	if (pipe_cnt == 0)
+		fast_validate = false;
+
+	if (!out)
+		goto validate_fail;
+
+	BW_VAL_TRACE_END_VOLTAGE_LEVEL();
+
+	if (fast_validate) {
+		BW_VAL_TRACE_SKIP(fast);
+		goto validate_out;
+	}
+
+	dc->res_pool->funcs->calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel);
+
+	BW_VAL_TRACE_END_WATERMARKS();
+
+	goto validate_out;
+
+validate_fail:
+	DC_LOG_WARNING("Mode Validation Warning: %s failed validation.\n",
+		dml_get_status_message(context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states]));
+
+	BW_VAL_TRACE_SKIP(fail);
+	out = false;
+
+validate_out:
+	kfree(pipes);
+
+	BW_VAL_TRACE_FINISH();
+
+	return out;
+}
+
 static struct resource_funcs dcn314_res_pool_funcs = {
 	.destroy = dcn314_destroy_resource_pool,
 	.link_enc_create = dcn31_link_encoder_create,
@@ -1702,7 +1759,7 @@ static struct resource_funcs dcn314_res_pool_funcs = {
 	.link_encs_assign = link_enc_cfg_link_encs_assign,
 	.link_enc_unassign = link_enc_cfg_link_enc_unassign,
 	.panel_cntl_create = dcn31_panel_cntl_create,
-	.validate_bandwidth = dcn31_validate_bandwidth,
+	.validate_bandwidth = dcn314_validate_bandwidth,
 	.calculate_wm_and_dlg = dcn31_calculate_wm_and_dlg,
 	.update_soc_for_wm_a = dcn31_update_soc_for_wm_a,
 	.populate_dml_pipes = dcn314_populate_dml_pipes_from_context,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.h b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.h
index 0dd3153aa5c1..49ffe71018df 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.h
@@ -39,6 +39,10 @@ struct dcn314_resource_pool {
 	struct resource_pool base;
 };
 
+bool dcn314_validate_bandwidth(struct dc *dc,
+		struct dc_state *context,
+		bool fast_validate);
+
 struct resource_pool *dcn314_create_resource_pool(
 		const struct dc_init_data *init_data,
 		struct dc *dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_stream_encoder.c
index 3c0ce9404699..36e6f5657942 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_stream_encoder.c
@@ -373,7 +373,7 @@ static void enc32_stream_encoder_dp_unblank(
 
 	REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
 }
 
 /* Set DSC-related configuration.
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h
index bdc146890fca..b20eb04724bb 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h
@@ -204,6 +204,8 @@ void hubbub32_force_usr_retraining_allow(struct hubbub *hubbub, bool allow);
 
 void hubbub32_force_wm_propagate_to_pipes(struct hubbub *hubbub);
 
+void hubbub32_init(struct hubbub *hubbub);
+
 void dcn32_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte);
 
 void hubbub32_construct(struct dcn20_hubbub *hubbub2,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h
index 56ef71151536..4cdbf63c952b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h
@@ -61,6 +61,8 @@ void hubp32_phantom_hubp_post_enable(struct hubp *hubp);
 void hubp32_cursor_set_attributes(struct hubp *hubp,
 		const struct dc_cursor_attributes *attr);
 
+void hubp32_init(struct hubp *hubp);
+
 bool hubp32_construct(
 	struct dcn20_hubp *hubp2,
 	struct dc_context *ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index addfde594622..16f892125b6f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -792,7 +792,7 @@ void dcn32_init_hw(struct dc *dc)
 			hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
 
 	/* we want to turn off all dp displays before doing detection */
-	dc_link_blank_all_dp_displays(dc);
+	link_blank_all_dp_displays(dc);
 
 	/* If taking control over from VBIOS, we may want to optimize our first
 	 * mode set, so we need to skip powering down pipes until we know which
@@ -1098,13 +1098,13 @@ unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsign
 	if (link_is_dp_128b_132b_signal(pipe_ctx)) {
 		*k1_div = PIXEL_RATE_DIV_BY_1;
 		*k2_div = PIXEL_RATE_DIV_BY_1;
-	} else if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) {
+	} else if (dc_is_hdmi_tmds_signal(stream->signal) || dc_is_dvi_signal(stream->signal)) {
 		*k1_div = PIXEL_RATE_DIV_BY_1;
 		if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
 			*k2_div = PIXEL_RATE_DIV_BY_2;
 		else
 			*k2_div = PIXEL_RATE_DIV_BY_4;
-	} else if (dc_is_dp_signal(pipe_ctx->stream->signal) || dc_is_virtual_signal(pipe_ctx->stream->signal)) {
+	} else if (dc_is_dp_signal(stream->signal) || dc_is_virtual_signal(stream->signal)) {
 		if (two_pix_per_container) {
 			*k1_div = PIXEL_RATE_DIV_BY_1;
 			*k2_div = PIXEL_RATE_DIV_BY_2;
@@ -1252,7 +1252,7 @@ void dcn32_disable_link_output(struct dc_link *link,
 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
 		dmcu->funcs->unlock_phy(dmcu);
 
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
 
 	apply_symclk_on_tx_off_wa(link);
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
index a02918eaa2c1..0694fa3a3680 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
@@ -30,6 +30,7 @@
 #include "dcn30/dcn30_hwseq.h"
 #include "dcn31/dcn31_hwseq.h"
 #include "dcn32_hwseq.h"
+#include "dcn32_init.h"
 
 static const struct hw_sequencer_funcs dcn32_funcs = {
 	.program_gamut_remap = dcn10_program_gamut_remap,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
index a09db7c63a04..aca928edc4e3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
@@ -150,6 +150,8 @@ bool dcn32_allow_subvp_with_active_margin(struct pipe_ctx *pipe);
 
 unsigned int dcn32_calc_num_avail_chans_for_mall(struct dc *dc, int num_chans);
 
+double dcn32_determine_max_vratio_prefetch(struct dc *dc, struct dc_state *context);
+
 /* definitions for run time init of reg offsets */
 
 /* CLK SRC */
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
index d3b5b6fedf04..6266b0788387 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
@@ -3897,14 +3897,14 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 					mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine = mode_lib->vba.PixelClock[k] / 2
 							* (1 + mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading / 100.0);
 
-				locals->ODMCombineEnablePerState[i][k] = false;
+				locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
 				mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithoutODMCombine;
 				if (mode_lib->vba.ODMCapability) {
 					if (locals->PlaneRequiredDISPCLKWithoutODMCombine > mode_lib->vba.MaxDispclkRoundedDownToDFSGranularity) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					} else if (locals->HActive[k] > DCN20_MAX_420_IMAGE_WIDTH && locals->OutputFormat[k] == dm_420) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					}
 				}
@@ -3957,7 +3957,7 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 				locals->RequiredDISPCLK[i][j] = 0.0;
 				locals->DISPCLK_DPPCLK_Support[i][j] = true;
 				for (k = 0; k <= mode_lib->vba.NumberOfActivePlanes - 1; k++) {
-					locals->ODMCombineEnablePerState[i][k] = false;
+					locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
 					if (locals->SwathWidthYSingleDPP[k] <= locals->MaximumSwathWidth[k]) {
 						locals->NoOfDPP[i][j][k] = 1;
 						locals->RequiredDPPCLK[i][j][k] = locals->MinDPPCLKUsingSingleDPP[k]
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index edd098c7eb92..989d83ee3842 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
@@ -4008,17 +4008,17 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 					mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine = mode_lib->vba.PixelClock[k] / 2
 							* (1 + mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading / 100.0);
 
-				locals->ODMCombineEnablePerState[i][k] = false;
+				locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
 				mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithoutODMCombine;
 				if (mode_lib->vba.ODMCapability) {
 					if (locals->PlaneRequiredDISPCLKWithoutODMCombine > MaxMaxDispclkRoundedDown) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					} else if (locals->DSCEnabled[k] && (locals->HActive[k] > DCN20_MAX_DSC_IMAGE_WIDTH)) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					} else if (locals->HActive[k] > DCN20_MAX_420_IMAGE_WIDTH && locals->OutputFormat[k] == dm_420) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					}
 				}
@@ -4071,7 +4071,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 				locals->RequiredDISPCLK[i][j] = 0.0;
 				locals->DISPCLK_DPPCLK_Support[i][j] = true;
 				for (k = 0; k <= mode_lib->vba.NumberOfActivePlanes - 1; k++) {
-					locals->ODMCombineEnablePerState[i][k] = false;
+					locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
 					if (locals->SwathWidthYSingleDPP[k] <= locals->MaximumSwathWidth[k]) {
 						locals->NoOfDPP[i][j][k] = 1;
 						locals->RequiredDPPCLK[i][j][k] = locals->MinDPPCLKUsingSingleDPP[k]
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
index 1d84ae50311d..b7c2844d0cbe 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
@@ -4102,17 +4102,17 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 					mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine = mode_lib->vba.PixelClock[k] / 2
 							* (1 + mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading / 100.0);
 
-				locals->ODMCombineEnablePerState[i][k] = false;
+				locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
 				mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithoutODMCombine;
 				if (mode_lib->vba.ODMCapability) {
 					if (locals->PlaneRequiredDISPCLKWithoutODMCombine > MaxMaxDispclkRoundedDown) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					} else if (locals->DSCEnabled[k] && (locals->HActive[k] > DCN21_MAX_DSC_IMAGE_WIDTH)) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					} else if (locals->HActive[k] > DCN21_MAX_420_IMAGE_WIDTH && locals->OutputFormat[k] == dm_420) {
-						locals->ODMCombineEnablePerState[i][k] = true;
+						locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
 						mode_lib->vba.PlaneRequiredDISPCLK = mode_lib->vba.PlaneRequiredDISPCLKWithODMCombine;
 					}
 				}
@@ -4165,7 +4165,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 				locals->RequiredDISPCLK[i][j] = 0.0;
 				locals->DISPCLK_DPPCLK_Support[i][j] = true;
 				for (k = 0; k <= mode_lib->vba.NumberOfActivePlanes - 1; k++) {
-					locals->ODMCombineEnablePerState[i][k] = false;
+					locals->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
 					if (locals->SwathWidthYSingleDPP[k] <= locals->MaximumSwathWidth[k]) {
 						locals->NoOfDPP[i][j][k] = 1;
 						locals->RequiredDPPCLK[i][j][k] = locals->MinDPPCLKUsingSingleDPP[k]
@@ -5230,7 +5230,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 			mode_lib->vba.ODMCombineEnabled[k] =
 					locals->ODMCombineEnablePerState[mode_lib->vba.VoltageLevel][k];
 		} else {
-			mode_lib->vba.ODMCombineEnabled[k] = false;
+			mode_lib->vba.ODMCombineEnabled[k] = dm_odm_combine_mode_disabled;
 		}
 		mode_lib->vba.DSCEnabled[k] =
 				locals->RequiresDSC[mode_lib->vba.VoltageLevel][k];
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
index d4c0f9cdac8e..4fa636364793 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
@@ -634,7 +634,7 @@ int dcn30_find_dummy_latency_index_for_fw_based_mclk_switch(struct dc *dc,
 	while (dummy_latency_index < max_latency_table_entries) {
 		context->bw_ctx.dml.soc.dram_clock_change_latency_us =
 				dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;
-		dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, false);
+		dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, false, true);
 
 		if (context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank ==
 			dm_allow_self_refresh_and_mclk_switch)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c b/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
index ec351c8418cb..27f488405335 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
@@ -878,7 +878,9 @@ static bool CalculatePrefetchSchedule(
 	double DSTTotalPixelsAfterScaler;
 	double LineTime;
 	double dst_y_prefetch_equ;
+#ifdef __DML_VBA_DEBUG__
 	double Tsw_oto;
+#endif
 	double prefetch_bw_oto;
 	double prefetch_bw_pr;
 	double Tvm_oto;
@@ -1060,7 +1062,9 @@ static bool CalculatePrefetchSchedule(
 
 	min_Lsw = dml_max(1, dml_max(PrefetchSourceLinesY, PrefetchSourceLinesC) / max_vratio_pre);
 	Lsw_oto = dml_ceil(4 * dml_max(prefetch_sw_bytes / prefetch_bw_oto / LineTime, min_Lsw), 1) / 4;
+#ifdef __DML_VBA_DEBUG__
 	Tsw_oto = Lsw_oto * LineTime;
+#endif
 
 
 #ifdef __DML_VBA_DEBUG__
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
index 6a1cf6adea77..acda3e1babd4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
@@ -149,8 +149,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = {
 	.num_states = 5,
 	.sr_exit_time_us = 16.5,
 	.sr_enter_plus_exit_time_us = 18.5,
-	.sr_exit_z8_time_us = 280.0,
-	.sr_enter_plus_exit_z8_time_us = 350.0,
+	.sr_exit_z8_time_us = 210.0,
+	.sr_enter_plus_exit_z8_time_us = 310.0,
 	.writeback_latency_us = 12.0,
 	.dram_channel_width_bytes = 4,
 	.round_trip_ping_latency_dcfclk_cycles = 106,
@@ -346,7 +346,8 @@ int dcn314_populate_dml_pipes_from_context_fpu(struct dc *dc, struct dc_state *c
 	context->bw_ctx.dml.ip.det_buffer_size_kbytes = DCN3_14_DEFAULT_DET_SIZE;
 
 	dc->config.enable_4to1MPC = false;
-	if (pipe_cnt == 1 && pipe->plane_state && !dc->debug.disable_z9_mpc) {
+	if (pipe_cnt == 1 && pipe->plane_state
+		&& pipe->plane_state->rotation == ROTATION_ANGLE_0 && !dc->debug.disable_z9_mpc) {
 		if (is_dual_plane(pipe->plane_state->format)
 				&& pipe->plane_state->src_rect.width <= 1920 && pipe->plane_state->src_rect.height <= 1080) {
 			dc->config.enable_4to1MPC = true;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
index cb7c0c878423..c843b394aeb4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
@@ -900,7 +900,9 @@ static bool CalculatePrefetchSchedule(
 	double DSTTotalPixelsAfterScaler;
 	double LineTime;
 	double dst_y_prefetch_equ;
+#ifdef __DML_VBA_DEBUG__
 	double Tsw_oto;
+#endif
 	double prefetch_bw_oto;
 	double prefetch_bw_pr;
 	double Tvm_oto;
@@ -1082,7 +1084,9 @@ static bool CalculatePrefetchSchedule(
 
 	min_Lsw = dml_max(1, dml_max(PrefetchSourceLinesY, PrefetchSourceLinesC) / max_vratio_pre);
 	Lsw_oto = dml_ceil(4 * dml_max(prefetch_sw_bytes / prefetch_bw_oto / LineTime, min_Lsw), 1) / 4;
+#ifdef __DML_VBA_DEBUG__
 	Tsw_oto = Lsw_oto * LineTime;
+#endif
 
 
 #ifdef __DML_VBA_DEBUG__
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
index 61ee9ba063a7..6576b897a512 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
@@ -51,7 +51,7 @@ static bool CalculateBytePerPixelAnd256BBlockSizes(
 		*BytePerPixelDETC = 0;
 		*BytePerPixelY = 4;
 		*BytePerPixelC = 0;
-	} else if (SourcePixelFormat == dm_444_16 || SourcePixelFormat == dm_444_16) {
+	} else if (SourcePixelFormat == dm_444_16) {
 		*BytePerPixelDETY = 2;
 		*BytePerPixelDETC = 0;
 		*BytePerPixelY = 2;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 27b62ef4f62d..e47828e3b6d5 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -27,6 +27,7 @@
 #include "dcn32/dcn32_resource.h"
 #include "dcn20/dcn20_resource.h"
 #include "display_mode_vba_util_32.h"
+#include "dml/dcn32/display_mode_vba_32.h"
 // We need this includes for WATERMARKS_* defines
 #include "clk_mgr/dcn32/dcn32_smu13_driver_if.h"
 #include "dcn30/dcn30_resource.h"
@@ -879,6 +880,10 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context, struc
 	int16_t stretched_drr_us = 0;
 	int16_t drr_stretched_vblank_us = 0;
 	int16_t max_vblank_mallregion = 0;
+	const struct dc_config *config = &dc->config;
+
+	if (config->disable_subvp_drr)
+		return false;
 
 	// Find SubVP pipe
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
@@ -1618,6 +1623,7 @@ bool dcn32_internal_validate_bw(struct dc *dc,
 	}
 
 	dml_log_pipe_params(&context->bw_ctx.dml, pipes, pipe_cnt);
+	context->bw_ctx.dml.soc.max_vratio_pre = dcn32_determine_max_vratio_prefetch(dc, context);
 
 	if (!fast_validate)
 		dcn32_full_validate_bw_helper(dc, context, pipes, &vlevel, split, merge, &pipe_cnt);
@@ -2744,3 +2750,33 @@ bool dcn32_allow_subvp_with_active_margin(struct pipe_ctx *pipe)
 	}
 	return allow;
 }
+
+/**
+ * *******************************************************************************************
+ * dcn32_determine_max_vratio_prefetch: Determine max Vratio for prefetch by driver policy
+ *
+ * @param [in]: dc: Current DC state
+ * @param [in]: context: New DC state to be programmed
+ *
+ * @return: Max vratio for prefetch
+ *
+ * *******************************************************************************************
+ */
+double dcn32_determine_max_vratio_prefetch(struct dc *dc, struct dc_state *context)
+{
+	double max_vratio_pre = __DML_MAX_BW_RATIO_PRE__; // Default value is 4
+	int i;
+
+	/* For single display MPO configs, allow the max vratio to be 8
+	 * if any plane is YUV420 format
+	 */
+	if (context->stream_count == 1 && context->stream_status[0].plane_count > 1) {
+		for (i = 0; i < context->stream_status[0].plane_count; i++) {
+			if (context->stream_status[0].plane_states[i]->format == SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr ||
+					context->stream_status[0].plane_states[i]->format == SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb) {
+				max_vratio_pre = __DML_MAX_VRATIO_PRE__;
+			}
+		}
+	}
+	return max_vratio_pre;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
index 23e50d15e9ae..3b2a014ccf8f 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
@@ -896,8 +896,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
 			if (v->DestinationLinesForPrefetch[k] < 2)
 				DestinationLineTimesForPrefetchLessThan2 = true;
 
-			if (v->VRatioPrefetchY[k] > __DML_MAX_VRATIO_PRE__
-					|| v->VRatioPrefetchC[k] > __DML_MAX_VRATIO_PRE__)
+			if (v->VRatioPrefetchY[k] > v->MaxVRatioPre
+					|| v->VRatioPrefetchC[k] > v->MaxVRatioPre)
 				VRatioPrefetchMoreThanMax = true;
 
 			//bool DestinationLinesToRequestVMInVBlankEqualOrMoreThan32 = false;
@@ -942,6 +942,9 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
 					v->UrgBurstFactorLumaPre,
 					v->UrgBurstFactorChromaPre,
 					v->UrgBurstFactorCursorPre,
+					v->PrefetchBandwidth,
+					v->VRatio,
+					v->MaxVRatioPre,
 
 					/* output */
 					&MaxTotalRDBandwidth,
@@ -972,6 +975,9 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
 					v->dummy_vars.DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation.dummy_unit_vector,
 					v->dummy_vars.DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation.dummy_unit_vector,
 					v->dummy_vars.DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation.dummy_unit_vector,
+					v->PrefetchBandwidth,
+					v->VRatio,
+					v->MaxVRatioPre,
 
 					/* output */
 					&v->dummy_vars.DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation.dummy_single[0],
@@ -2347,8 +2353,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 
 			if (mode_lib->vba.DSCEnable[k] && mode_lib->vba.ForcedOutputLinkBPP[k] != 0)
 				mode_lib->vba.DSCOnlyIfNecessaryWithBPP = true;
-			if ((mode_lib->vba.DSCEnable[k] || mode_lib->vba.DSCEnable[k])
-					&& mode_lib->vba.OutputFormat[k] == dm_n422
+			if (mode_lib->vba.DSCEnable[k] && mode_lib->vba.OutputFormat[k] == dm_n422
 					&& !mode_lib->vba.DSC422NativeSupport)
 				mode_lib->vba.DSC422NativeNotSupported = true;
 
@@ -3373,6 +3378,9 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 							mode_lib->vba.UrgentBurstFactorLumaPre,
 							mode_lib->vba.UrgentBurstFactorChromaPre,
 							mode_lib->vba.UrgentBurstFactorCursorPre,
+							v->PrefetchBW,
+							v->VRatio,
+							v->MaxVRatioPre,
 
 							/* output */
 							&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.dummy_single[0],   // Single  *PrefetchBandwidth
@@ -3397,8 +3405,8 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 
 				mode_lib->vba.VRatioInPrefetchSupported[i][j] = true;
 				for (k = 0; k <= mode_lib->vba.NumberOfActiveSurfaces - 1; k++) {
-					if (mode_lib->vba.VRatioPreY[i][j][k] > __DML_MAX_VRATIO_PRE__
-							|| mode_lib->vba.VRatioPreC[i][j][k] > __DML_MAX_VRATIO_PRE__
+					if (mode_lib->vba.VRatioPreY[i][j][k] > mode_lib->vba.MaxVRatioPre
+							|| mode_lib->vba.VRatioPreC[i][j][k] > mode_lib->vba.MaxVRatioPre
 							|| mode_lib->vba.NoTimeForPrefetch[i][j][k] == true) {
 						mode_lib->vba.VRatioInPrefetchSupported[i][j] = false;
 					}
@@ -3654,7 +3662,6 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 			if (mode_lib->vba.SourcePixelFormat[k] != dm_444_64
 					&& mode_lib->vba.SourcePixelFormat[k] != dm_444_32
 					&& mode_lib->vba.SourcePixelFormat[k] != dm_444_16
-					&& mode_lib->vba.SourcePixelFormat[k] != dm_444_16
 					&& mode_lib->vba.SourcePixelFormat[k] != dm_444_8
 					&& mode_lib->vba.SourcePixelFormat[k] != dm_rgbe) {
 				if (mode_lib->vba.ViewportWidthChroma[k] > mode_lib->vba.SurfaceWidthC[k]
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h
index c8b28c83ddf4..500b3dd6052d 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.h
@@ -44,7 +44,8 @@
 #define __DML_MIN_DCFCLK_FACTOR__   1.15
 
 // Prefetch schedule max vratio
-#define __DML_MAX_VRATIO_PRE__ 4.0
+#define __DML_MAX_VRATIO_PRE__ 7.9
+#define __DML_MAX_BW_RATIO_PRE__ 4.0
 
 #define __DML_VBA_MAX_DST_Y_PRE__    63.75
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
index 0932f49cd819..d1000aa4c481 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
@@ -3480,7 +3480,7 @@ bool dml32_CalculatePrefetchSchedule(
 	double  prefetch_sw_bytes;
 	double  bytes_pp;
 	double  dep_bytes;
-	unsigned int max_vratio_pre = __DML_MAX_VRATIO_PRE__;
+	unsigned int max_vratio_pre = v->MaxVRatioPre;
 	double  min_Lsw;
 	double  Tsw_est1 = 0;
 	double  Tsw_est3 = 0;
@@ -6143,29 +6143,46 @@ void dml32_CalculatePrefetchBandwithSupport(unsigned int NumberOfActiveSurfaces,
 		double UrgentBurstFactorLumaPre[],
 		double UrgentBurstFactorChromaPre[],
 		double UrgentBurstFactorCursorPre[],
+		double PrefetchBW[],
+		double VRatio[],
+		double MaxVRatioPre,
 
 		/* output */
-		double  *PrefetchBandwidth,
+		double  *MaxPrefetchBandwidth,
 		double  *FractionOfUrgentBandwidth,
 		bool *PrefetchBandwidthSupport)
 {
 	unsigned int k;
+	double ActiveBandwidthPerSurface;
 	bool NotEnoughUrgentLatencyHiding = false;
+	double TotalActiveBandwidth = 0;
+	double TotalPrefetchBandwidth = 0;
+
 	for (k = 0; k < NumberOfActiveSurfaces; ++k) {
 		if (NotUrgentLatencyHiding[k]) {
 			NotEnoughUrgentLatencyHiding = true;
 		}
 	}
 
-	*PrefetchBandwidth = 0;
+	*MaxPrefetchBandwidth = 0;
 	for (k = 0; k < NumberOfActiveSurfaces; ++k) {
-		*PrefetchBandwidth = *PrefetchBandwidth + dml_max3(NumberOfDPP[k] * prefetch_vmrow_bw[k],
-				ReadBandwidthLuma[k] * UrgentBurstFactorLuma[k] + ReadBandwidthChroma[k] * UrgentBurstFactorChroma[k] + cursor_bw[k] * UrgentBurstFactorCursor[k] + NumberOfDPP[k] * (meta_row_bandwidth[k] + dpte_row_bandwidth[k]),
+		ActiveBandwidthPerSurface = ReadBandwidthLuma[k] * UrgentBurstFactorLuma[k] + ReadBandwidthChroma[k] * UrgentBurstFactorChroma[k] + cursor_bw[k] * UrgentBurstFactorCursor[k] + NumberOfDPP[k] * (meta_row_bandwidth[k] + dpte_row_bandwidth[k]);
+
+		TotalActiveBandwidth += ActiveBandwidthPerSurface;
+
+		TotalPrefetchBandwidth = TotalPrefetchBandwidth + PrefetchBW[k] * VRatio[k];
+
+		*MaxPrefetchBandwidth = *MaxPrefetchBandwidth + dml_max3(NumberOfDPP[k] * prefetch_vmrow_bw[k],
+				ActiveBandwidthPerSurface,
 				NumberOfDPP[k] * (PrefetchBandwidthLuma[k] * UrgentBurstFactorLumaPre[k] + PrefetchBandwidthChroma[k] * UrgentBurstFactorChromaPre[k]) + cursor_bw_pre[k] * UrgentBurstFactorCursorPre[k]);
 	}
 
-	*PrefetchBandwidthSupport = (*PrefetchBandwidth <= ReturnBW) && !NotEnoughUrgentLatencyHiding;
-	*FractionOfUrgentBandwidth = *PrefetchBandwidth / ReturnBW;
+	if (MaxVRatioPre == __DML_MAX_VRATIO_PRE__)
+		*PrefetchBandwidthSupport = (*MaxPrefetchBandwidth <= ReturnBW) && (TotalPrefetchBandwidth <= TotalActiveBandwidth * __DML_MAX_BW_RATIO_PRE__) && !NotEnoughUrgentLatencyHiding;
+	else
+		*PrefetchBandwidthSupport = (*MaxPrefetchBandwidth <= ReturnBW) && !NotEnoughUrgentLatencyHiding;
+
+	*FractionOfUrgentBandwidth = *MaxPrefetchBandwidth / ReturnBW;
 }
 
 double dml32_CalculateBandwidthAvailableForImmediateFlip(unsigned int NumberOfActiveSurfaces,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
index d41c4d8b0c7a..9ba792c633a5 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
@@ -1096,9 +1096,12 @@ void dml32_CalculatePrefetchBandwithSupport(unsigned int NumberOfActiveSurfaces,
 		double UrgentBurstFactorLumaPre[],
 		double UrgentBurstFactorChromaPre[],
 		double UrgentBurstFactorCursorPre[],
+		double PrefetchBW[],
+		double VRatio[],
+		double MaxVRatioPre,
 
 		/* output */
-		double  *PrefetchBandwidth,
+		double  *MaxPrefetchBandwidth,
 		double  *FractionOfUrgentBandwidth,
 		bool *PrefetchBandwidthSupport);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
index 64d602e6412f..3c077164f362 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
@@ -246,6 +246,7 @@ struct _vcs_dpi_soc_bounding_box_st {
 	bool disable_dram_clock_change_vactive_support;
 	bool allow_dram_clock_one_display_vactive;
 	enum self_refresh_affinity allow_dram_self_refresh_or_dram_clock_change_in_vblank;
+	double max_vratio_pre;
 };
 
 /**
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
index 8cb28b7918db..f9653f511baa 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
@@ -412,6 +412,7 @@ static void fetch_socbb_params(struct display_mode_lib *mode_lib)
 		soc->urgent_latency_adjustment_fabric_clock_component_us;
 	mode_lib->vba.UrgentLatencyAdjustmentFabricClockReference =
 		soc->urgent_latency_adjustment_fabric_clock_reference_mhz;
+	mode_lib->vba.MaxVRatioPre = soc->max_vratio_pre;
 }
 
 static void fetch_ip_params(struct display_mode_lib *mode_lib)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
index 876b9b517ea2..07993741f5e6 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
@@ -263,6 +263,7 @@ struct vba_vars_st {
 	int maxMpcComb;
 	bool UseMaximumVStartup;
 
+	double MaxVRatioPre;
 	double WritebackDISPCLK;
 	double DPPCLKUsingSingleDPPLuma;
 	double DPPCLKUsingSingleDPPChroma;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index bebfcf8737b3..ed3c03108da6 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -56,33 +56,6 @@ void enable_surface_flip_reporting(struct dc_plane_state *plane_state,
 #endif
 #include "link_hwss.h"
 
-/************ link *****************/
-struct link_init_data {
-	const struct dc *dc;
-	struct dc_context *ctx; /* TODO: remove 'dal' when DC is complete. */
-	uint32_t connector_index; /* this will be mapped to the HPD pins */
-	uint32_t link_index; /* this is mapped to DAL display_index
-				TODO: remove it when DC is complete. */
-	bool is_dpia_link;
-};
-
-struct dc_link *link_create(const struct link_init_data *init_params);
-void link_destroy(struct dc_link **link);
-
-enum dc_status dc_link_validate_mode_timing(
-		const struct dc_stream_state *stream,
-		struct dc_link *link,
-		const struct dc_crtc_timing *timing);
-
-void core_link_resume(struct dc_link *link);
-
-void core_link_enable_stream(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx);
-
-void core_link_disable_stream(struct pipe_ctx *pipe_ctx);
-
-void core_link_set_avmute(struct pipe_ctx *pipe_ctx, bool enable);
 /********** DAL Core*********************/
 #include "transform.h"
 #include "dpp.h"
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
index 0e42e721dd15..1d9f9c53d2bd 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
@@ -331,6 +331,7 @@ struct timing_generator_funcs {
 			uint32_t vtotal_change_limit);
 
 	void (*init_odm)(struct timing_generator *tg);
+	void (*wait_drr_doublebuffer_pending_clear)(struct timing_generator *tg);
 };
 
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h
index d4cebf49e5d4..e70fa0059223 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link.h
@@ -40,6 +40,19 @@
 #include "core_types.h"
 #include "dc_link.h"
 
+struct link_init_data {
+	const struct dc *dc;
+	struct dc_context *ctx; /* TODO: remove 'dal' when DC is complete. */
+	uint32_t connector_index; /* this will be mapped to the HPD pins */
+	uint32_t link_index; /* this is mapped to DAL display_index
+				TODO: remove it when DC is complete. */
+	bool is_dpia_link;
+};
+
+struct dc_link *link_create(const struct link_init_data *init_params);
+void link_destroy(struct dc_link **link);
+
+// TODO - convert any function declarations below to function pointers
 struct gpio *link_get_hpd_gpio(struct dc_bios *dcb,
 		struct graphics_object_id link_id,
 		struct gpio_service *gpio_service);
@@ -105,5 +118,40 @@ bool link_power_alpm_dpcd_enable(struct dc_link *link, bool enable);
 bool link_set_sink_vtotal_in_psr_active(const struct dc_link *link,
 		uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su);
 void link_get_psr_residency(const struct dc_link *link, uint32_t *residency);
+enum dc_status link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn);
+enum dc_status link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn);
+void link_blank_all_dp_displays(struct dc *dc);
+void link_blank_all_edp_displays(struct dc *dc);
+void link_blank_dp_stream(struct dc_link *link, bool hw_init);
+void link_resume(struct dc_link *link);
+void link_set_dpms_on(
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx);
+void link_set_dpms_off(struct pipe_ctx *pipe_ctx);
+void link_dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode);
+void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
+bool link_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable);
+bool link_update_dsc_config(struct pipe_ctx *pipe_ctx);
+enum dc_status link_validate_mode_timing(
+		const struct dc_stream_state *stream,
+		struct dc_link *link,
+		const struct dc_crtc_timing *timing);
+bool link_detect(struct dc_link *link, enum dc_detect_reason reason);
+bool link_detect_connection_type(struct dc_link *link,
+		enum dc_connection_type *type);
+const struct dc_link_status *link_get_status(const struct dc_link *link);
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+/* return true if the connected receiver supports the hdcp version */
+bool link_is_hdcp14(struct dc_link *link, enum signal_type signal);
+bool link_is_hdcp22(struct dc_link *link, enum signal_type signal);
+#endif
+void link_clear_dprx_states(struct dc_link *link);
+bool link_reset_cur_dp_mst_topology(struct dc_link *link);
+uint32_t dp_link_bandwidth_kbps(
+	const struct dc_link *link,
+	const struct dc_link_settings *link_settings);
+uint32_t link_timing_bandwidth_kbps(const struct dc_crtc_timing *timing);
+void link_get_cur_res_map(const struct dc *dc, uint32_t *map);
+void link_restore_res_map(const struct dc *dc, uint32_t *map);
 
 #endif /* __DC_LINK_HPD_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h
index 4ab029e3326d..fa6da93caa88 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/resource.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h
@@ -165,10 +165,6 @@ bool resource_validate_attach_surfaces(
 		struct dc_state *context,
 		const struct resource_pool *pool);
 
-void resource_validate_ctx_update_pointer_after_copy(
-		const struct dc_state *src_ctx,
-		struct dc_state *dst_ctx);
-
 enum dc_status resource_map_clock_resources(
 		const struct dc *dc,
 		struct dc_state *context,
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c b/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c
index 27dc8c9955f4..3c7cb3dc046b 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c
@@ -37,7 +37,7 @@
 #include "soc15_hw_ip.h"
 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
 
-enum dc_irq_source to_dal_irq_source_dcn201(
+static enum dc_irq_source to_dal_irq_source_dcn201(
 		struct irq_service *irq_service,
 		uint32_t src_id,
 		uint32_t ext_id)
diff --git a/drivers/gpu/drm/amd/display/dc/link/Makefile b/drivers/gpu/drm/amd/display/dc/link/Makefile
index 0f642cbac3d5..40352d8d7648 100644
--- a/drivers/gpu/drm/amd/display/dc/link/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/link/Makefile
@@ -23,10 +23,17 @@
 # It abstracts the control and status of back end pipe such as DIO, HPO, DPIA,
 # PHY, HPD, DDC and etc).
 
+LINK = link_detection.o link_dpms.o link_factory.o link_resource.o \
+link_validation.o
+
+AMD_DAL_LINK = $(addprefix $(AMDDALPATH)/dc/link/, \
+$(LINK))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_LINK)
 ###############################################################################
 # accessories
 ###############################################################################
-LINK_ACCESSORIES = link_dp_trace.o link_dp_cts.o
+LINK_ACCESSORIES = link_dp_trace.o link_dp_cts.o link_fpga.o
 
 AMD_DAL_LINK_ACCESSORIES = $(addprefix $(AMDDALPATH)/dc/link/accessories/, \
 $(LINK_ACCESSORIES))
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
index 7fb2c0b4c4bb..942300e0bd92 100644
--- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
@@ -23,10 +23,12 @@
  *
  */
 #include "link_dp_cts.h"
+#include "link/link_resource.h"
 #include "link/protocols/link_dpcd.h"
 #include "link/protocols/link_dp_training.h"
 #include "link/protocols/link_dp_phy.h"
 #include "link/protocols/link_dp_training_fixed_vs_pe_retimer.h"
+#include "link/link_dpms.h"
 #include "resource.h"
 #include "dm_helpers.h"
 #include "dc_dmub_srv.h"
@@ -77,37 +79,26 @@ void dp_retrain_link_dp_test(struct dc_link *link,
 			struct dc_link_settings *link_setting,
 			bool skip_video_pattern)
 {
-	struct pipe_ctx *pipe;
-	unsigned int i;
+	struct pipe_ctx *pipes[MAX_PIPES];
+	struct dc_state *state = link->dc->current_state;
+	uint8_t count;
+	int i;
 
 	udelay(100);
 
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe->stream != NULL &&
-				pipe->stream->link == link &&
-				!pipe->stream->dpms_off &&
-				!pipe->top_pipe && !pipe->prev_odm_pipe) {
-			core_link_disable_stream(pipe);
-			pipe->link_config.dp_link_settings = *link_setting;
-			update_dp_encoder_resources_for_test_harness(
-					link->dc,
-					pipe->stream->ctx->dc->current_state,
-					pipe);
-		}
-	}
+	link_get_master_pipes_with_dpms_on(link, state, &count, pipes);
 
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe->stream != NULL &&
-				pipe->stream->link == link &&
-				!pipe->stream->dpms_off &&
-				!pipe->top_pipe && !pipe->prev_odm_pipe) {
-			core_link_enable_stream(
-					pipe->stream->ctx->dc->current_state,
-					pipe);
-		}
+	for (i = 0; i < count; i++) {
+		link_set_dpms_off(pipes[i]);
+		pipes[i]->link_config.dp_link_settings = *link_setting;
+		update_dp_encoder_resources_for_test_harness(
+				link->dc,
+				state,
+				pipes[i]);
 	}
+
+	for (i = count-1; i >= 0; i--)
+		link_set_dpms_on(state, pipes[i]);
 }
 
 static void dp_test_send_link_training(struct dc_link *link)
@@ -965,7 +956,7 @@ void dc_link_set_drive_settings(struct dc *dc,
 	if (i >= dc->link_count)
 		ASSERT_CRITICAL(false);
 
-	dc_link_get_cur_link_res(link, &link_res);
+	link_get_cur_link_res(link, &link_res);
 	dp_set_drive_settings(dc->links[i], &link_res, lt_settings);
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.c b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.c
index 04838a31e513..459b362ed374 100644
--- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.c
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.c
@@ -22,8 +22,9 @@
  * Authors: AMD
  *
  */
-#include "dc_link.h"
 #include "link_dp_trace.h"
+#include "link/protocols/link_dpcd.h"
+#include "link.h"
 
 void dp_trace_init(struct dc_link *link)
 {
@@ -164,3 +165,10 @@ uint64_t link_dp_trace_get_edp_poweroff_timestamp(struct dc_link *link)
 {
 	return link->dp_trace.edp_trace_power_timestamps.poweroff;
 }
+
+void link_dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode)
+{
+	if (link != NULL && link->dc->debug.enable_driver_sequence_debug)
+		core_link_write_dpcd(link, DP_SOURCE_SEQUENCE,
+					&dp_test_mode, sizeof(dp_test_mode));
+}
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.h b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.h
index 702f97c6ead0..89feea1b2692 100644
--- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.h
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_trace.h
@@ -24,6 +24,7 @@
  */
 #ifndef __LINK_DP_TRACE_H__
 #define __LINK_DP_TRACE_H__
+#include "link.h"
 
 void dp_trace_init(struct dc_link *link);
 void dp_trace_reset(struct dc_link *link);
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_fpga.c b/drivers/gpu/drm/amd/display/dc/link/accessories/link_fpga.c
new file mode 100644
index 000000000000..d3cc604eed67
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_fpga.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "link_fpga.h"
+#include "link/link_dpms.h"
+#include "dm_helpers.h"
+#include "link_hwss.h"
+#include "dccg.h"
+#include "resource.h"
+
+#define DC_LOGGER_INIT(logger)
+
+void dp_fpga_hpo_enable_link_and_stream(struct dc_state *state, struct pipe_ctx *pipe_ctx)
+{
+	struct dc *dc = pipe_ctx->stream->ctx->dc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct link_mst_stream_allocation_table proposed_table = {0};
+	struct fixed31_32 avg_time_slots_per_mtp;
+	uint8_t req_slot_count = 0;
+	uint8_t vc_id = 1; /// VC ID always 1 for SST
+	struct dc_link_settings link_settings = pipe_ctx->link_config.dp_link_settings;
+	const struct link_hwss *link_hwss = get_link_hwss(stream->link, &pipe_ctx->link_res);
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
+	stream->link->cur_link_settings = link_settings;
+
+	if (link_hwss->ext.enable_dp_link_output)
+		link_hwss->ext.enable_dp_link_output(stream->link, &pipe_ctx->link_res,
+				stream->signal, pipe_ctx->clock_source->id,
+				&link_settings);
+
+	/* Enable DP_STREAM_ENC */
+	dc->hwss.enable_stream(pipe_ctx);
+
+	/* Set DPS PPS SDP (AKA "info frames") */
+	if (pipe_ctx->stream->timing.flags.DSC) {
+		link_set_dsc_pps_packet(pipe_ctx, true, true);
+	}
+
+	/* Allocate Payload */
+	if ((stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) && (state->stream_count > 1)) {
+		// MST case
+		uint8_t i;
+
+		proposed_table.stream_count = state->stream_count;
+		for (i = 0; i < state->stream_count; i++) {
+			avg_time_slots_per_mtp = link_calculate_sst_avg_time_slots_per_mtp(state->streams[i], state->streams[i]->link);
+			req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
+			proposed_table.stream_allocations[i].slot_count = req_slot_count;
+			proposed_table.stream_allocations[i].vcp_id = i+1;
+			/* NOTE: This makes assumption that pipe_ctx index is same as stream index */
+			proposed_table.stream_allocations[i].hpo_dp_stream_enc = state->res_ctx.pipe_ctx[i].stream_res.hpo_dp_stream_enc;
+		}
+	} else {
+		// SST case
+		avg_time_slots_per_mtp = link_calculate_sst_avg_time_slots_per_mtp(stream, stream->link);
+		req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
+		proposed_table.stream_count = 1; /// Always 1 stream for SST
+		proposed_table.stream_allocations[0].slot_count = req_slot_count;
+		proposed_table.stream_allocations[0].vcp_id = vc_id;
+		proposed_table.stream_allocations[0].hpo_dp_stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
+	}
+
+	link_hwss->ext.update_stream_allocation_table(stream->link,
+			&pipe_ctx->link_res,
+			&proposed_table);
+
+	if (link_hwss->ext.set_throttled_vcp_size)
+		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
+
+	dc->hwss.unblank_stream(pipe_ctx, &stream->link->cur_link_settings);
+	dc->hwss.enable_audio_stream(pipe_ctx);
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_fpga.h b/drivers/gpu/drm/amd/display/dc/link/accessories/link_fpga.h
new file mode 100644
index 000000000000..3a80f5595943
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_fpga.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __LINK_FPGA_H__
+#define __LINK_FPGA_H__
+#include "link.h"
+void dp_fpga_hpo_enable_link_and_stream(struct dc_state *state,
+		struct pipe_ctx *pipe_ctx);
+#endif /* __LINK_FPGA_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
index 841a23da5dd3..b092b00b3599 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
@@ -44,7 +44,7 @@ void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 	link_enc->funcs->connect_dig_be_to_fe(link_enc,
 			pipe_ctx->stream_res.stream_enc->id, true);
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
-		dp_source_sequence_trace(pipe_ctx->stream->link,
+		link_dp_source_sequence_trace(pipe_ctx->stream->link,
 				DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE);
 	if (stream_enc->funcs->enable_fifo)
 		stream_enc->funcs->enable_fifo(stream_enc);
@@ -63,7 +63,7 @@ void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 			pipe_ctx->stream_res.stream_enc->id,
 			false);
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
-		dp_source_sequence_trace(pipe_ctx->stream->link,
+		link_dp_source_sequence_trace(pipe_ctx->stream->link,
 				DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE);
 
 }
@@ -105,7 +105,7 @@ void setup_dio_stream_attribute(struct pipe_ctx *pipe_ctx)
 				&stream->timing);
 
 	if (dc_is_dp_signal(stream->signal))
-		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
+		link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
 }
 
 void enable_dio_dp_link_output(struct dc_link *link,
@@ -126,7 +126,7 @@ void enable_dio_dp_link_output(struct dc_link *link,
 				link_enc,
 				link_settings,
 				clock_source);
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY);
 }
 
 void disable_dio_link_output(struct dc_link *link,
@@ -136,7 +136,7 @@ void disable_dio_link_output(struct dc_link *link,
 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
 
 	link_enc->funcs->disable_output(link_enc, signal);
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
 }
 
 void set_dio_dp_link_test_pattern(struct dc_link *link,
@@ -146,7 +146,7 @@ void set_dio_dp_link_test_pattern(struct dc_link *link,
 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
 
 	link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params);
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
 }
 
 void set_dio_dp_lane_settings(struct dc_link *link,
@@ -195,7 +195,7 @@ void enable_dio_audio_packet(struct pipe_ctx *pipe_ctx)
 			pipe_ctx->stream_res.stream_enc, false);
 
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
-		dp_source_sequence_trace(pipe_ctx->stream->link,
+		link_dp_source_sequence_trace(pipe_ctx->stream->link,
 				DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM);
 }
 
@@ -214,7 +214,7 @@ void disable_dio_audio_packet(struct pipe_ctx *pipe_ctx)
 	}
 
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
-		dp_source_sequence_trace(pipe_ctx->stream->link,
+		link_dp_source_sequence_trace(pipe_ctx->stream->link,
 				DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM);
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
index d8947f3233f3..aa1c5e253b43 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
@@ -115,7 +115,7 @@ static void setup_hpo_dp_stream_attribute(struct pipe_ctx *pipe_ctx)
 			stream->use_vsc_sdp_for_colorimetry,
 			stream->timing.flags.DSC,
 			false);
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
 }
 
 static void enable_hpo_dp_fpga_link_output(struct dc_link *link,
@@ -201,7 +201,7 @@ static void set_hpo_dp_link_test_pattern(struct dc_link *link,
 {
 	link_res->hpo_dp_link_enc->funcs->set_link_test_pattern(
 			link_res->hpo_dp_link_enc, tp_params);
-	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
+	link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
 }
 
 static void set_hpo_dp_lane_settings(struct dc_link *link,
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
new file mode 100644
index 000000000000..38216c789d77
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
@@ -0,0 +1,1323 @@
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+/* FILE POLICY AND INTENDED USAGE:
+ * This file manages link detection states and receiver states by using various
+ * link protocols. It also provides helper functions to interpret certain
+ * capabilities or status based on the states it manages or retrieve them
+ * directly from connected receivers.
+ */
+
+#include "link_dpms.h"
+#include "link_detection.h"
+#include "link_hwss.h"
+#include "protocols/link_edp_panel_control.h"
+#include "protocols/link_ddc.h"
+#include "protocols/link_hpd.h"
+#include "protocols/link_dpcd.h"
+#include "protocols/link_dp_capability.h"
+#include "protocols/link_dp_dpia.h"
+#include "protocols/link_dp_phy.h"
+#include "protocols/link_dp_training.h"
+#include "accessories/link_dp_trace.h"
+
+#include "link_enc_cfg.h"
+#include "dm_helpers.h"
+#include "clk_mgr.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define LINK_INFO(...) \
+	DC_LOG_HW_HOTPLUG(  \
+		__VA_ARGS__)
+/*
+ * Some receivers fail to train on first try and are good
+ * on subsequent tries. 2 retries should be plenty. If we
+ * don't have a successful training then we don't expect to
+ * ever get one.
+ */
+#define LINK_TRAINING_MAX_VERIFY_RETRY 2
+
+static enum ddc_transaction_type get_ddc_transaction_type(enum signal_type sink_signal)
+{
+	enum ddc_transaction_type transaction_type = DDC_TRANSACTION_TYPE_NONE;
+
+	switch (sink_signal) {
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+	case SIGNAL_TYPE_LVDS:
+	case SIGNAL_TYPE_RGB:
+		transaction_type = DDC_TRANSACTION_TYPE_I2C;
+		break;
+
+	case SIGNAL_TYPE_DISPLAY_PORT:
+	case SIGNAL_TYPE_EDP:
+		transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
+		break;
+
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+		/* MST does not use I2COverAux, but there is the
+		 * SPECIAL use case for "immediate dwnstrm device
+		 * access" (EPR#370830).
+		 */
+		transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
+		break;
+
+	default:
+		break;
+	}
+
+	return transaction_type;
+}
+
+static enum signal_type get_basic_signal_type(struct graphics_object_id encoder,
+					      struct graphics_object_id downstream)
+{
+	if (downstream.type == OBJECT_TYPE_CONNECTOR) {
+		switch (downstream.id) {
+		case CONNECTOR_ID_SINGLE_LINK_DVII:
+			switch (encoder.id) {
+			case ENCODER_ID_INTERNAL_DAC1:
+			case ENCODER_ID_INTERNAL_KLDSCP_DAC1:
+			case ENCODER_ID_INTERNAL_DAC2:
+			case ENCODER_ID_INTERNAL_KLDSCP_DAC2:
+				return SIGNAL_TYPE_RGB;
+			default:
+				return SIGNAL_TYPE_DVI_SINGLE_LINK;
+			}
+		break;
+		case CONNECTOR_ID_DUAL_LINK_DVII:
+		{
+			switch (encoder.id) {
+			case ENCODER_ID_INTERNAL_DAC1:
+			case ENCODER_ID_INTERNAL_KLDSCP_DAC1:
+			case ENCODER_ID_INTERNAL_DAC2:
+			case ENCODER_ID_INTERNAL_KLDSCP_DAC2:
+				return SIGNAL_TYPE_RGB;
+			default:
+				return SIGNAL_TYPE_DVI_DUAL_LINK;
+			}
+		}
+		break;
+		case CONNECTOR_ID_SINGLE_LINK_DVID:
+			return SIGNAL_TYPE_DVI_SINGLE_LINK;
+		case CONNECTOR_ID_DUAL_LINK_DVID:
+			return SIGNAL_TYPE_DVI_DUAL_LINK;
+		case CONNECTOR_ID_VGA:
+			return SIGNAL_TYPE_RGB;
+		case CONNECTOR_ID_HDMI_TYPE_A:
+			return SIGNAL_TYPE_HDMI_TYPE_A;
+		case CONNECTOR_ID_LVDS:
+			return SIGNAL_TYPE_LVDS;
+		case CONNECTOR_ID_DISPLAY_PORT:
+		case CONNECTOR_ID_USBC:
+			return SIGNAL_TYPE_DISPLAY_PORT;
+		case CONNECTOR_ID_EDP:
+			return SIGNAL_TYPE_EDP;
+		default:
+			return SIGNAL_TYPE_NONE;
+		}
+	} else if (downstream.type == OBJECT_TYPE_ENCODER) {
+		switch (downstream.id) {
+		case ENCODER_ID_EXTERNAL_NUTMEG:
+		case ENCODER_ID_EXTERNAL_TRAVIS:
+			return SIGNAL_TYPE_DISPLAY_PORT;
+		default:
+			return SIGNAL_TYPE_NONE;
+		}
+	}
+
+	return SIGNAL_TYPE_NONE;
+}
+
+/*
+ * @brief
+ * Detect output sink type
+ */
+static enum signal_type link_detect_sink_signal_type(struct dc_link *link,
+					 enum dc_detect_reason reason)
+{
+	enum signal_type result;
+	struct graphics_object_id enc_id;
+
+	if (link->is_dig_mapping_flexible)
+		enc_id = (struct graphics_object_id){.id = ENCODER_ID_UNKNOWN};
+	else
+		enc_id = link->link_enc->id;
+	result = get_basic_signal_type(enc_id, link->link_id);
+
+	/* Use basic signal type for link without physical connector. */
+	if (link->ep_type != DISPLAY_ENDPOINT_PHY)
+		return result;
+
+	/* Internal digital encoder will detect only dongles
+	 * that require digital signal
+	 */
+
+	/* Detection mechanism is different
+	 * for different native connectors.
+	 * LVDS connector supports only LVDS signal;
+	 * PCIE is a bus slot, the actual connector needs to be detected first;
+	 * eDP connector supports only eDP signal;
+	 * HDMI should check straps for audio
+	 */
+
+	/* PCIE detects the actual connector on add-on board */
+	if (link->link_id.id == CONNECTOR_ID_PCIE) {
+		/* ZAZTODO implement PCIE add-on card detection */
+	}
+
+	switch (link->link_id.id) {
+	case CONNECTOR_ID_HDMI_TYPE_A: {
+		/* check audio support:
+		 * if native HDMI is not supported, switch to DVI
+		 */
+		struct audio_support *aud_support =
+					&link->dc->res_pool->audio_support;
+
+		if (!aud_support->hdmi_audio_native)
+			if (link->link_id.id == CONNECTOR_ID_HDMI_TYPE_A)
+				result = SIGNAL_TYPE_DVI_SINGLE_LINK;
+	}
+	break;
+	case CONNECTOR_ID_DISPLAY_PORT:
+	case CONNECTOR_ID_USBC: {
+		/* DP HPD short pulse. Passive DP dongle will not
+		 * have short pulse
+		 */
+		if (reason != DETECT_REASON_HPDRX) {
+			/* Check whether DP signal detected: if not -
+			 * we assume signal is DVI; it could be corrected
+			 * to HDMI after dongle detection
+			 */
+			if (!dm_helpers_is_dp_sink_present(link))
+				result = SIGNAL_TYPE_DVI_SINGLE_LINK;
+		}
+	}
+	break;
+	default:
+	break;
+	}
+
+	return result;
+}
+
+static enum signal_type decide_signal_from_strap_and_dongle_type(enum display_dongle_type dongle_type,
+								 struct audio_support *audio_support)
+{
+	enum signal_type signal = SIGNAL_TYPE_NONE;
+
+	switch (dongle_type) {
+	case DISPLAY_DONGLE_DP_HDMI_DONGLE:
+		if (audio_support->hdmi_audio_on_dongle)
+			signal = SIGNAL_TYPE_HDMI_TYPE_A;
+		else
+			signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+		break;
+	case DISPLAY_DONGLE_DP_DVI_DONGLE:
+		signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+		break;
+	case DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE:
+		if (audio_support->hdmi_audio_native)
+			signal =  SIGNAL_TYPE_HDMI_TYPE_A;
+		else
+			signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+		break;
+	default:
+		signal = SIGNAL_TYPE_NONE;
+		break;
+	}
+
+	return signal;
+}
+
+static void read_scdc_caps(struct ddc_service *ddc_service,
+		struct dc_sink *sink)
+{
+	uint8_t slave_address = HDMI_SCDC_ADDRESS;
+	uint8_t offset = HDMI_SCDC_MANUFACTURER_OUI;
+
+	link_query_ddc_data(ddc_service, slave_address, &offset,
+			sizeof(offset), sink->scdc_caps.manufacturer_OUI.byte,
+			sizeof(sink->scdc_caps.manufacturer_OUI.byte));
+
+	offset = HDMI_SCDC_DEVICE_ID;
+
+	link_query_ddc_data(ddc_service, slave_address, &offset,
+			sizeof(offset), &(sink->scdc_caps.device_id.byte),
+			sizeof(sink->scdc_caps.device_id.byte));
+}
+
+static bool i2c_read(
+	struct ddc_service *ddc,
+	uint32_t address,
+	uint8_t *buffer,
+	uint32_t len)
+{
+	uint8_t offs_data = 0;
+	struct i2c_payload payloads[2] = {
+		{
+		.write = true,
+		.address = address,
+		.length = 1,
+		.data = &offs_data },
+		{
+		.write = false,
+		.address = address,
+		.length = len,
+		.data = buffer } };
+
+	struct i2c_command command = {
+		.payloads = payloads,
+		.number_of_payloads = 2,
+		.engine = DDC_I2C_COMMAND_ENGINE,
+		.speed = ddc->ctx->dc->caps.i2c_speed_in_khz };
+
+	return dm_helpers_submit_i2c(
+			ddc->ctx,
+			ddc->link,
+			&command);
+}
+
+enum {
+	DP_SINK_CAP_SIZE =
+		DP_EDP_CONFIGURATION_CAP - DP_DPCD_REV + 1
+};
+
+static void query_dp_dual_mode_adaptor(
+	struct ddc_service *ddc,
+	struct display_sink_capability *sink_cap)
+{
+	uint8_t i;
+	bool is_valid_hdmi_signature;
+	enum display_dongle_type *dongle = &sink_cap->dongle_type;
+	uint8_t type2_dongle_buf[DP_ADAPTOR_TYPE2_SIZE];
+	bool is_type2_dongle = false;
+	int retry_count = 2;
+	struct dp_hdmi_dongle_signature_data *dongle_signature;
+
+	/* Assume we have no valid DP passive dongle connected */
+	*dongle = DISPLAY_DONGLE_NONE;
+	sink_cap->max_hdmi_pixel_clock = DP_ADAPTOR_HDMI_SAFE_MAX_TMDS_CLK;
+
+	/* Read DP-HDMI dongle I2c (no response interpreted as DP-DVI dongle)*/
+	if (!i2c_read(
+		ddc,
+		DP_HDMI_DONGLE_ADDRESS,
+		type2_dongle_buf,
+		sizeof(type2_dongle_buf))) {
+		/* Passive HDMI dongles can sometimes fail here without retrying*/
+		while (retry_count > 0) {
+			if (i2c_read(ddc,
+				DP_HDMI_DONGLE_ADDRESS,
+				type2_dongle_buf,
+				sizeof(type2_dongle_buf)))
+				break;
+			retry_count--;
+		}
+		if (retry_count == 0) {
+			*dongle = DISPLAY_DONGLE_DP_DVI_DONGLE;
+			sink_cap->max_hdmi_pixel_clock = DP_ADAPTOR_DVI_MAX_TMDS_CLK;
+
+			CONN_DATA_DETECT(ddc->link, type2_dongle_buf, sizeof(type2_dongle_buf),
+					"DP-DVI passive dongle %dMhz: ",
+					DP_ADAPTOR_DVI_MAX_TMDS_CLK / 1000);
+			return;
+		}
+	}
+
+	/* Check if Type 2 dongle.*/
+	if (type2_dongle_buf[DP_ADAPTOR_TYPE2_REG_ID] == DP_ADAPTOR_TYPE2_ID)
+		is_type2_dongle = true;
+
+	dongle_signature =
+		(struct dp_hdmi_dongle_signature_data *)type2_dongle_buf;
+
+	is_valid_hdmi_signature = true;
+
+	/* Check EOT */
+	if (dongle_signature->eot != DP_HDMI_DONGLE_SIGNATURE_EOT) {
+		is_valid_hdmi_signature = false;
+	}
+
+	/* Check signature */
+	for (i = 0; i < sizeof(dongle_signature->id); ++i) {
+		/* If its not the right signature,
+		 * skip mismatch in subversion byte.*/
+		if (dongle_signature->id[i] !=
+			dp_hdmi_dongle_signature_str[i] && i != 3) {
+
+			if (is_type2_dongle) {
+				is_valid_hdmi_signature = false;
+				break;
+			}
+
+		}
+	}
+
+	if (is_type2_dongle) {
+		uint32_t max_tmds_clk =
+			type2_dongle_buf[DP_ADAPTOR_TYPE2_REG_MAX_TMDS_CLK];
+
+		max_tmds_clk = max_tmds_clk * 2 + max_tmds_clk / 2;
+
+		if (0 == max_tmds_clk ||
+				max_tmds_clk < DP_ADAPTOR_TYPE2_MIN_TMDS_CLK ||
+				max_tmds_clk > DP_ADAPTOR_TYPE2_MAX_TMDS_CLK) {
+			*dongle = DISPLAY_DONGLE_DP_DVI_DONGLE;
+
+			CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
+					sizeof(type2_dongle_buf),
+					"DP-DVI passive dongle %dMhz: ",
+					DP_ADAPTOR_DVI_MAX_TMDS_CLK / 1000);
+		} else {
+			if (is_valid_hdmi_signature == true) {
+				*dongle = DISPLAY_DONGLE_DP_HDMI_DONGLE;
+
+				CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
+						sizeof(type2_dongle_buf),
+						"Type 2 DP-HDMI passive dongle %dMhz: ",
+						max_tmds_clk);
+			} else {
+				*dongle = DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE;
+
+				CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
+						sizeof(type2_dongle_buf),
+						"Type 2 DP-HDMI passive dongle (no signature) %dMhz: ",
+						max_tmds_clk);
+
+			}
+
+			/* Multiply by 1000 to convert to kHz. */
+			sink_cap->max_hdmi_pixel_clock =
+				max_tmds_clk * 1000;
+		}
+		sink_cap->is_dongle_type_one = false;
+
+	} else {
+		if (is_valid_hdmi_signature == true) {
+			*dongle = DISPLAY_DONGLE_DP_HDMI_DONGLE;
+
+			CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
+					sizeof(type2_dongle_buf),
+					"Type 1 DP-HDMI passive dongle %dMhz: ",
+					sink_cap->max_hdmi_pixel_clock / 1000);
+		} else {
+			*dongle = DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE;
+
+			CONN_DATA_DETECT(ddc->link, type2_dongle_buf,
+					sizeof(type2_dongle_buf),
+					"Type 1 DP-HDMI passive dongle (no signature) %dMhz: ",
+					sink_cap->max_hdmi_pixel_clock / 1000);
+		}
+		sink_cap->is_dongle_type_one = true;
+	}
+
+	return;
+}
+
+static enum signal_type dp_passive_dongle_detection(struct ddc_service *ddc,
+						    struct display_sink_capability *sink_cap,
+						    struct audio_support *audio_support)
+{
+	query_dp_dual_mode_adaptor(ddc, sink_cap);
+
+	return decide_signal_from_strap_and_dongle_type(sink_cap->dongle_type,
+							audio_support);
+}
+
+static void link_disconnect_sink(struct dc_link *link)
+{
+	if (link->local_sink) {
+		dc_sink_release(link->local_sink);
+		link->local_sink = NULL;
+	}
+
+	link->dpcd_sink_count = 0;
+	//link->dpcd_caps.dpcd_rev.raw = 0;
+}
+
+static void link_disconnect_remap(struct dc_sink *prev_sink, struct dc_link *link)
+{
+	dc_sink_release(link->local_sink);
+	link->local_sink = prev_sink;
+}
+
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+static void query_hdcp_capability(enum signal_type signal, struct dc_link *link)
+{
+	struct hdcp_protection_message msg22;
+	struct hdcp_protection_message msg14;
+
+	memset(&msg22, 0, sizeof(struct hdcp_protection_message));
+	memset(&msg14, 0, sizeof(struct hdcp_protection_message));
+	memset(link->hdcp_caps.rx_caps.raw, 0,
+		sizeof(link->hdcp_caps.rx_caps.raw));
+
+	if ((link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
+			link->ddc->transaction_type ==
+			DDC_TRANSACTION_TYPE_I2C_OVER_AUX) ||
+			link->connector_signal == SIGNAL_TYPE_EDP) {
+		msg22.data = link->hdcp_caps.rx_caps.raw;
+		msg22.length = sizeof(link->hdcp_caps.rx_caps.raw);
+		msg22.msg_id = HDCP_MESSAGE_ID_RX_CAPS;
+	} else {
+		msg22.data = &link->hdcp_caps.rx_caps.fields.version;
+		msg22.length = sizeof(link->hdcp_caps.rx_caps.fields.version);
+		msg22.msg_id = HDCP_MESSAGE_ID_HDCP2VERSION;
+	}
+	msg22.version = HDCP_VERSION_22;
+	msg22.link = HDCP_LINK_PRIMARY;
+	msg22.max_retries = 5;
+	dc_process_hdcp_msg(signal, link, &msg22);
+
+	if (signal == SIGNAL_TYPE_DISPLAY_PORT || signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+		enum hdcp_message_status status = HDCP_MESSAGE_UNSUPPORTED;
+
+		msg14.data = &link->hdcp_caps.bcaps.raw;
+		msg14.length = sizeof(link->hdcp_caps.bcaps.raw);
+		msg14.msg_id = HDCP_MESSAGE_ID_READ_BCAPS;
+		msg14.version = HDCP_VERSION_14;
+		msg14.link = HDCP_LINK_PRIMARY;
+		msg14.max_retries = 5;
+
+		status = dc_process_hdcp_msg(signal, link, &msg14);
+	}
+
+}
+#endif // CONFIG_DRM_AMD_DC_HDCP
+static void read_current_link_settings_on_detect(struct dc_link *link)
+{
+	union lane_count_set lane_count_set = {0};
+	uint8_t link_bw_set;
+	uint8_t link_rate_set;
+	uint32_t read_dpcd_retry_cnt = 10;
+	enum dc_status status = DC_ERROR_UNEXPECTED;
+	int i;
+	union max_down_spread max_down_spread = {0};
+
+	// Read DPCD 00101h to find out the number of lanes currently set
+	for (i = 0; i < read_dpcd_retry_cnt; i++) {
+		status = core_link_read_dpcd(link,
+					     DP_LANE_COUNT_SET,
+					     &lane_count_set.raw,
+					     sizeof(lane_count_set));
+		/* First DPCD read after VDD ON can fail if the particular board
+		 * does not have HPD pin wired correctly. So if DPCD read fails,
+		 * which it should never happen, retry a few times. Target worst
+		 * case scenario of 80 ms.
+		 */
+		if (status == DC_OK) {
+			link->cur_link_settings.lane_count =
+					lane_count_set.bits.LANE_COUNT_SET;
+			break;
+		}
+
+		msleep(8);
+	}
+
+	// Read DPCD 00100h to find if standard link rates are set
+	core_link_read_dpcd(link, DP_LINK_BW_SET,
+			    &link_bw_set, sizeof(link_bw_set));
+
+	if (link_bw_set == 0) {
+		if (link->connector_signal == SIGNAL_TYPE_EDP) {
+			/* If standard link rates are not being used,
+			 * Read DPCD 00115h to find the edp link rate set used
+			 */
+			core_link_read_dpcd(link, DP_LINK_RATE_SET,
+					    &link_rate_set, sizeof(link_rate_set));
+
+			// edp_supported_link_rates_count = 0 for DP
+			if (link_rate_set < link->dpcd_caps.edp_supported_link_rates_count) {
+				link->cur_link_settings.link_rate =
+					link->dpcd_caps.edp_supported_link_rates[link_rate_set];
+				link->cur_link_settings.link_rate_set = link_rate_set;
+				link->cur_link_settings.use_link_rate_set = true;
+			}
+		} else {
+			// Link Rate not found. Seamless boot may not work.
+			ASSERT(false);
+		}
+	} else {
+		link->cur_link_settings.link_rate = link_bw_set;
+		link->cur_link_settings.use_link_rate_set = false;
+	}
+	// Read DPCD 00003h to find the max down spread.
+	core_link_read_dpcd(link, DP_MAX_DOWNSPREAD,
+			    &max_down_spread.raw, sizeof(max_down_spread));
+	link->cur_link_settings.link_spread =
+		max_down_spread.bits.MAX_DOWN_SPREAD ?
+		LINK_SPREAD_05_DOWNSPREAD_30KHZ : LINK_SPREAD_DISABLED;
+}
+
+static bool detect_dp(struct dc_link *link,
+		      struct display_sink_capability *sink_caps,
+		      enum dc_detect_reason reason)
+{
+	struct audio_support *audio_support = &link->dc->res_pool->audio_support;
+
+	sink_caps->signal = link_detect_sink_signal_type(link, reason);
+	sink_caps->transaction_type =
+		get_ddc_transaction_type(sink_caps->signal);
+
+	if (sink_caps->transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
+		sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT;
+		if (!detect_dp_sink_caps(link))
+			return false;
+
+		if (is_dp_branch_device(link))
+			/* DP SST branch */
+			link->type = dc_connection_sst_branch;
+	} else {
+		/* DP passive dongles */
+		sink_caps->signal = dp_passive_dongle_detection(link->ddc,
+								sink_caps,
+								audio_support);
+		link->dpcd_caps.dongle_type = sink_caps->dongle_type;
+		link->dpcd_caps.is_dongle_type_one = sink_caps->is_dongle_type_one;
+		link->dpcd_caps.dpcd_rev.raw = 0;
+	}
+
+	return true;
+}
+
+static bool is_same_edid(struct dc_edid *old_edid, struct dc_edid *new_edid)
+{
+	if (old_edid->length != new_edid->length)
+		return false;
+
+	if (new_edid->length == 0)
+		return false;
+
+	return (memcmp(old_edid->raw_edid,
+		       new_edid->raw_edid, new_edid->length) == 0);
+}
+
+static bool wait_for_entering_dp_alt_mode(struct dc_link *link)
+{
+
+	/**
+	 * something is terribly wrong if time out is > 200ms. (5Hz)
+	 * 500 microseconds * 400 tries us 200 ms
+	 **/
+	unsigned int sleep_time_in_microseconds = 500;
+	unsigned int tries_allowed = 400;
+	bool is_in_alt_mode;
+	unsigned long long enter_timestamp;
+	unsigned long long finish_timestamp;
+	unsigned long long time_taken_in_ns;
+	int tries_taken;
+
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	/**
+	 * this function will only exist if we are on dcn21 (is_in_alt_mode is a
+	 *  function pointer, so checking to see if it is equal to 0 is the same
+	 *  as checking to see if it is null
+	 **/
+	if (!link->link_enc->funcs->is_in_alt_mode)
+		return true;
+
+	is_in_alt_mode = link->link_enc->funcs->is_in_alt_mode(link->link_enc);
+	DC_LOG_DC("DP Alt mode state on HPD: %d\n", is_in_alt_mode);
+
+	if (is_in_alt_mode)
+		return true;
+
+	enter_timestamp = dm_get_timestamp(link->ctx);
+
+	for (tries_taken = 0; tries_taken < tries_allowed; tries_taken++) {
+		udelay(sleep_time_in_microseconds);
+		/* ask the link if alt mode is enabled, if so return ok */
+		if (link->link_enc->funcs->is_in_alt_mode(link->link_enc)) {
+			finish_timestamp = dm_get_timestamp(link->ctx);
+			time_taken_in_ns =
+				dm_get_elapse_time_in_ns(link->ctx,
+							 finish_timestamp,
+							 enter_timestamp);
+			DC_LOG_WARNING("Alt mode entered finished after %llu ms\n",
+				       div_u64(time_taken_in_ns, 1000000));
+			return true;
+		}
+	}
+	finish_timestamp = dm_get_timestamp(link->ctx);
+	time_taken_in_ns = dm_get_elapse_time_in_ns(link->ctx, finish_timestamp,
+						    enter_timestamp);
+	DC_LOG_WARNING("Alt mode has timed out after %llu ms\n",
+			div_u64(time_taken_in_ns, 1000000));
+	return false;
+}
+
+static void apply_dpia_mst_dsc_always_on_wa(struct dc_link *link)
+{
+	/* Apply work around for tunneled MST on certain USB4 docks. Always use DSC if dock
+	 * reports DSC support.
+	 */
+	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA &&
+			link->type == dc_connection_mst_branch &&
+			link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 &&
+			link->dpcd_caps.branch_hw_revision == DP_BRANCH_HW_REV_20 &&
+			link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT &&
+			!link->dc->debug.dpia_debug.bits.disable_mst_dsc_work_around)
+		link->wa_flags.dpia_mst_dsc_always_on = true;
+}
+
+static void revert_dpia_mst_dsc_always_on_wa(struct dc_link *link)
+{
+	/* Disable work around which keeps DSC on for tunneled MST on certain USB4 docks. */
+	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+		link->wa_flags.dpia_mst_dsc_always_on = false;
+}
+
+static bool discover_dp_mst_topology(struct dc_link *link, enum dc_detect_reason reason)
+{
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	LINK_INFO("link=%d, mst branch is now Connected\n",
+		  link->link_index);
+
+	link->type = dc_connection_mst_branch;
+	apply_dpia_mst_dsc_always_on_wa(link);
+
+	dm_helpers_dp_update_branch_info(link->ctx, link);
+	if (dm_helpers_dp_mst_start_top_mgr(link->ctx,
+			link, (reason == DETECT_REASON_BOOT || reason == DETECT_REASON_RESUMEFROMS3S4))) {
+		link_disconnect_sink(link);
+	} else {
+		link->type = dc_connection_sst_branch;
+	}
+
+	return link->type == dc_connection_mst_branch;
+}
+
+bool link_reset_cur_dp_mst_topology(struct dc_link *link)
+{
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	LINK_INFO("link=%d, mst branch is now Disconnected\n",
+		  link->link_index);
+
+	revert_dpia_mst_dsc_always_on_wa(link);
+	return dm_helpers_dp_mst_stop_top_mgr(link->ctx, link);
+}
+
+static bool should_prepare_phy_clocks_for_link_verification(const struct dc *dc,
+		enum dc_detect_reason reason)
+{
+	int i;
+	bool can_apply_seamless_boot = false;
+
+	for (i = 0; i < dc->current_state->stream_count; i++) {
+		if (dc->current_state->streams[i]->apply_seamless_boot_optimization) {
+			can_apply_seamless_boot = true;
+			break;
+		}
+	}
+
+	return !can_apply_seamless_boot && reason != DETECT_REASON_BOOT;
+}
+
+static void prepare_phy_clocks_for_destructive_link_verification(const struct dc *dc)
+{
+	dc_z10_restore(dc);
+	clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr);
+}
+
+static void restore_phy_clocks_for_destructive_link_verification(const struct dc *dc)
+{
+	clk_mgr_optimize_pwr_state(dc, dc->clk_mgr);
+}
+
+static void verify_link_capability_destructive(struct dc_link *link,
+		struct dc_sink *sink,
+		enum dc_detect_reason reason)
+{
+	bool should_prepare_phy_clocks =
+			should_prepare_phy_clocks_for_link_verification(link->dc, reason);
+
+	if (should_prepare_phy_clocks)
+		prepare_phy_clocks_for_destructive_link_verification(link->dc);
+
+	if (dc_is_dp_signal(link->local_sink->sink_signal)) {
+		struct dc_link_settings known_limit_link_setting =
+				dp_get_max_link_cap(link);
+		link_set_all_streams_dpms_off_for_link(link);
+		dp_verify_link_cap_with_retries(
+				link, &known_limit_link_setting,
+				LINK_TRAINING_MAX_VERIFY_RETRY);
+	} else {
+		ASSERT(0);
+	}
+
+	if (should_prepare_phy_clocks)
+		restore_phy_clocks_for_destructive_link_verification(link->dc);
+}
+
+static void verify_link_capability_non_destructive(struct dc_link *link)
+{
+	if (dc_is_dp_signal(link->local_sink->sink_signal)) {
+		if (dc_is_embedded_signal(link->local_sink->sink_signal) ||
+				link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+			/* TODO - should we check link encoder's max link caps here?
+			 * How do we know which link encoder to check from?
+			 */
+			link->verified_link_cap = link->reported_link_cap;
+		else
+			link->verified_link_cap = dp_get_max_link_cap(link);
+	}
+}
+
+static bool should_verify_link_capability_destructively(struct dc_link *link,
+		enum dc_detect_reason reason)
+{
+	bool destrictive = false;
+	struct dc_link_settings max_link_cap;
+	bool is_link_enc_unavailable = link->link_enc &&
+			link->dc->res_pool->funcs->link_encs_assign &&
+			!link_enc_cfg_is_link_enc_avail(
+					link->ctx->dc,
+					link->link_enc->preferred_engine,
+					link);
+
+	if (dc_is_dp_signal(link->local_sink->sink_signal)) {
+		max_link_cap = dp_get_max_link_cap(link);
+		destrictive = true;
+
+		if (link->dc->debug.skip_detection_link_training ||
+				dc_is_embedded_signal(link->local_sink->sink_signal) ||
+				link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) {
+			destrictive = false;
+		} else if (link_dp_get_encoding_format(&max_link_cap) ==
+				DP_8b_10b_ENCODING) {
+			if (link->dpcd_caps.is_mst_capable ||
+					is_link_enc_unavailable) {
+				destrictive = false;
+			}
+		}
+	}
+
+	return destrictive;
+}
+
+static void verify_link_capability(struct dc_link *link, struct dc_sink *sink,
+		enum dc_detect_reason reason)
+{
+	if (should_verify_link_capability_destructively(link, reason))
+		verify_link_capability_destructive(link, sink, reason);
+	else
+		verify_link_capability_non_destructive(link);
+}
+
+/**
+ * detect_link_and_local_sink() - Detect if a sink is attached to a given link
+ *
+ * link->local_sink is created or destroyed as needed.
+ *
+ * This does not create remote sinks.
+ */
+static bool detect_link_and_local_sink(struct dc_link *link,
+				  enum dc_detect_reason reason)
+{
+	struct dc_sink_init_data sink_init_data = { 0 };
+	struct display_sink_capability sink_caps = { 0 };
+	uint32_t i;
+	bool converter_disable_audio = false;
+	struct audio_support *aud_support = &link->dc->res_pool->audio_support;
+	bool same_edid = false;
+	enum dc_edid_status edid_status;
+	struct dc_context *dc_ctx = link->ctx;
+	struct dc *dc = dc_ctx->dc;
+	struct dc_sink *sink = NULL;
+	struct dc_sink *prev_sink = NULL;
+	struct dpcd_caps prev_dpcd_caps;
+	enum dc_connection_type new_connection_type = dc_connection_none;
+	const uint32_t post_oui_delay = 30; // 30ms
+
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (dc_is_virtual_signal(link->connector_signal))
+		return false;
+
+	if (((link->connector_signal == SIGNAL_TYPE_LVDS ||
+		link->connector_signal == SIGNAL_TYPE_EDP) &&
+		(!link->dc->config.allow_edp_hotplug_detection)) &&
+		link->local_sink) {
+		// need to re-write OUI and brightness in resume case
+		if (link->connector_signal == SIGNAL_TYPE_EDP &&
+			(link->dpcd_sink_ext_caps.bits.oled == 1)) {
+			dpcd_set_source_specific_data(link);
+			msleep(post_oui_delay);
+			set_default_brightness_aux(link);
+			//TODO: use cached
+		}
+
+		return true;
+	}
+
+	if (!dc_link_detect_connection_type(link, &new_connection_type)) {
+		BREAK_TO_DEBUGGER();
+		return false;
+	}
+
+	prev_sink = link->local_sink;
+	if (prev_sink) {
+		dc_sink_retain(prev_sink);
+		memcpy(&prev_dpcd_caps, &link->dpcd_caps, sizeof(struct dpcd_caps));
+	}
+
+	link_disconnect_sink(link);
+	if (new_connection_type != dc_connection_none) {
+		link->type = new_connection_type;
+		link->link_state_valid = false;
+
+		/* From Disconnected-to-Connected. */
+		switch (link->connector_signal) {
+		case SIGNAL_TYPE_HDMI_TYPE_A: {
+			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
+			if (aud_support->hdmi_audio_native)
+				sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A;
+			else
+				sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+			break;
+		}
+
+		case SIGNAL_TYPE_DVI_SINGLE_LINK: {
+			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
+			sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+			break;
+		}
+
+		case SIGNAL_TYPE_DVI_DUAL_LINK: {
+			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
+			sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK;
+			break;
+		}
+
+		case SIGNAL_TYPE_LVDS: {
+			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
+			sink_caps.signal = SIGNAL_TYPE_LVDS;
+			break;
+		}
+
+		case SIGNAL_TYPE_EDP: {
+			detect_edp_sink_caps(link);
+			read_current_link_settings_on_detect(link);
+
+			/* Disable power sequence on MIPI panel + converter
+			 */
+			if (dc->config.enable_mipi_converter_optimization &&
+				dc_ctx->dce_version == DCN_VERSION_3_01 &&
+				link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_0022B9 &&
+				memcmp(&link->dpcd_caps.branch_dev_name, DP_SINK_BRANCH_DEV_NAME_7580,
+					sizeof(link->dpcd_caps.branch_dev_name)) == 0) {
+				dc->config.edp_no_power_sequencing = true;
+
+				if (!link->dpcd_caps.set_power_state_capable_edp)
+					link->wa_flags.dp_keep_receiver_powered = true;
+			}
+
+			sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
+			sink_caps.signal = SIGNAL_TYPE_EDP;
+			break;
+		}
+
+		case SIGNAL_TYPE_DISPLAY_PORT: {
+
+			/* wa HPD high coming too early*/
+			if (link->ep_type == DISPLAY_ENDPOINT_PHY &&
+			    link->link_enc->features.flags.bits.DP_IS_USB_C == 1) {
+
+				/* if alt mode times out, return false */
+				if (!wait_for_entering_dp_alt_mode(link))
+					return false;
+			}
+
+			if (!detect_dp(link, &sink_caps, reason)) {
+				if (prev_sink)
+					dc_sink_release(prev_sink);
+				return false;
+			}
+
+			/* Active SST downstream branch device unplug*/
+			if (link->type == dc_connection_sst_branch &&
+			    link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) {
+				if (prev_sink)
+					/* Downstream unplug */
+					dc_sink_release(prev_sink);
+				return true;
+			}
+
+			/* disable audio for non DP to HDMI active sst converter */
+			if (link->type == dc_connection_sst_branch &&
+					is_dp_active_dongle(link) &&
+					(link->dpcd_caps.dongle_type !=
+							DISPLAY_DONGLE_DP_HDMI_CONVERTER))
+				converter_disable_audio = true;
+			break;
+		}
+
+		default:
+			DC_ERROR("Invalid connector type! signal:%d\n",
+				 link->connector_signal);
+			if (prev_sink)
+				dc_sink_release(prev_sink);
+			return false;
+		} /* switch() */
+
+		if (link->dpcd_caps.sink_count.bits.SINK_COUNT)
+			link->dpcd_sink_count =
+				link->dpcd_caps.sink_count.bits.SINK_COUNT;
+		else
+			link->dpcd_sink_count = 1;
+
+		set_ddc_transaction_type(link->ddc,
+						     sink_caps.transaction_type);
+
+		link->aux_mode =
+			link_is_in_aux_transaction_mode(link->ddc);
+
+		sink_init_data.link = link;
+		sink_init_data.sink_signal = sink_caps.signal;
+
+		sink = dc_sink_create(&sink_init_data);
+		if (!sink) {
+			DC_ERROR("Failed to create sink!\n");
+			if (prev_sink)
+				dc_sink_release(prev_sink);
+			return false;
+		}
+
+		sink->link->dongle_max_pix_clk = sink_caps.max_hdmi_pixel_clock;
+		sink->converter_disable_audio = converter_disable_audio;
+
+		/* dc_sink_create returns a new reference */
+		link->local_sink = sink;
+
+		edid_status = dm_helpers_read_local_edid(link->ctx,
+							 link, sink);
+
+		switch (edid_status) {
+		case EDID_BAD_CHECKSUM:
+			DC_LOG_ERROR("EDID checksum invalid.\n");
+			break;
+		case EDID_PARTIAL_VALID:
+			DC_LOG_ERROR("Partial EDID valid, abandon invalid blocks.\n");
+			break;
+		case EDID_NO_RESPONSE:
+			DC_LOG_ERROR("No EDID read.\n");
+			/*
+			 * Abort detection for non-DP connectors if we have
+			 * no EDID
+			 *
+			 * DP needs to report as connected if HDP is high
+			 * even if we have no EDID in order to go to
+			 * fail-safe mode
+			 */
+			if (dc_is_hdmi_signal(link->connector_signal) ||
+			    dc_is_dvi_signal(link->connector_signal)) {
+				if (prev_sink)
+					dc_sink_release(prev_sink);
+
+				return false;
+			}
+
+			if (link->type == dc_connection_sst_branch &&
+					link->dpcd_caps.dongle_type ==
+						DISPLAY_DONGLE_DP_VGA_CONVERTER &&
+					reason == DETECT_REASON_HPDRX) {
+				/* Abort detection for DP-VGA adapters when EDID
+				 * can't be read and detection reason is VGA-side
+				 * hotplug
+				 */
+				if (prev_sink)
+					dc_sink_release(prev_sink);
+				link_disconnect_sink(link);
+
+				return true;
+			}
+
+			break;
+		default:
+			break;
+		}
+
+		// Check if edid is the same
+		if ((prev_sink) &&
+		    (edid_status == EDID_THE_SAME || edid_status == EDID_OK))
+			same_edid = is_same_edid(&prev_sink->dc_edid,
+						 &sink->dc_edid);
+
+		if (sink->edid_caps.panel_patch.skip_scdc_overwrite)
+			link->ctx->dc->debug.hdmi20_disable = true;
+
+		if (dc_is_hdmi_signal(link->connector_signal))
+			read_scdc_caps(link->ddc, link->local_sink);
+
+		if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
+		    sink_caps.transaction_type ==
+		    DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
+			/*
+			 * TODO debug why certain monitors don't like
+			 *  two link trainings
+			 */
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+			query_hdcp_capability(sink->sink_signal, link);
+#endif
+		} else {
+			// If edid is the same, then discard new sink and revert back to original sink
+			if (same_edid) {
+				link_disconnect_remap(prev_sink, link);
+				sink = prev_sink;
+				prev_sink = NULL;
+			}
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+			query_hdcp_capability(sink->sink_signal, link);
+#endif
+		}
+
+		/* HDMI-DVI Dongle */
+		if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A &&
+		    !sink->edid_caps.edid_hdmi)
+			sink->sink_signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+
+		if (link->local_sink && dc_is_dp_signal(sink_caps.signal))
+			dp_trace_init(link);
+
+		/* Connectivity log: detection */
+		for (i = 0; i < sink->dc_edid.length / DC_EDID_BLOCK_SIZE; i++) {
+			CONN_DATA_DETECT(link,
+					 &sink->dc_edid.raw_edid[i * DC_EDID_BLOCK_SIZE],
+					 DC_EDID_BLOCK_SIZE,
+					 "%s: [Block %d] ", sink->edid_caps.display_name, i);
+		}
+
+		DC_LOG_DETECTION_EDID_PARSER("%s: "
+			"manufacturer_id = %X, "
+			"product_id = %X, "
+			"serial_number = %X, "
+			"manufacture_week = %d, "
+			"manufacture_year = %d, "
+			"display_name = %s, "
+			"speaker_flag = %d, "
+			"audio_mode_count = %d\n",
+			__func__,
+			sink->edid_caps.manufacturer_id,
+			sink->edid_caps.product_id,
+			sink->edid_caps.serial_number,
+			sink->edid_caps.manufacture_week,
+			sink->edid_caps.manufacture_year,
+			sink->edid_caps.display_name,
+			sink->edid_caps.speaker_flags,
+			sink->edid_caps.audio_mode_count);
+
+		for (i = 0; i < sink->edid_caps.audio_mode_count; i++) {
+			DC_LOG_DETECTION_EDID_PARSER("%s: mode number = %d, "
+				"format_code = %d, "
+				"channel_count = %d, "
+				"sample_rate = %d, "
+				"sample_size = %d\n",
+				__func__,
+				i,
+				sink->edid_caps.audio_modes[i].format_code,
+				sink->edid_caps.audio_modes[i].channel_count,
+				sink->edid_caps.audio_modes[i].sample_rate,
+				sink->edid_caps.audio_modes[i].sample_size);
+		}
+
+		if (link->connector_signal == SIGNAL_TYPE_EDP) {
+			// Init dc_panel_config by HW config
+			if (dc_ctx->dc->res_pool->funcs->get_panel_config_defaults)
+				dc_ctx->dc->res_pool->funcs->get_panel_config_defaults(&link->panel_config);
+			// Pickup base DM settings
+			dm_helpers_init_panel_settings(dc_ctx, &link->panel_config, sink);
+			// Override dc_panel_config if system has specific settings
+			dm_helpers_override_panel_settings(dc_ctx, &link->panel_config);
+		}
+
+	} else {
+		/* From Connected-to-Disconnected. */
+		link->type = dc_connection_none;
+		sink_caps.signal = SIGNAL_TYPE_NONE;
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+		memset(&link->hdcp_caps, 0, sizeof(struct hdcp_caps));
+#endif
+		/* When we unplug a passive DP-HDMI dongle connection, dongle_max_pix_clk
+		 *  is not cleared. If we emulate a DP signal on this connection, it thinks
+		 *  the dongle is still there and limits the number of modes we can emulate.
+		 *  Clear dongle_max_pix_clk on disconnect to fix this
+		 */
+		link->dongle_max_pix_clk = 0;
+
+		dc_link_clear_dprx_states(link);
+		dp_trace_reset(link);
+	}
+
+	LINK_INFO("link=%d, dc_sink_in=%p is now %s prev_sink=%p edid same=%d\n",
+		  link->link_index, sink,
+		  (sink_caps.signal ==
+		   SIGNAL_TYPE_NONE ? "Disconnected" : "Connected"),
+		  prev_sink, same_edid);
+
+	if (prev_sink)
+		dc_sink_release(prev_sink);
+
+	return true;
+}
+
+/**
+ * dc_link_detect_connection_type() - Determine if there is a sink connected
+ *
+ * @type: Returned connection type
+ * Does not detect downstream devices, such as MST sinks
+ * or display connected through active dongles
+ */
+bool link_detect_connection_type(struct dc_link *link, enum dc_connection_type *type)
+{
+	uint32_t is_hpd_high = 0;
+
+	if (link->connector_signal == SIGNAL_TYPE_LVDS) {
+		*type = dc_connection_single;
+		return true;
+	}
+
+	if (link->connector_signal == SIGNAL_TYPE_EDP) {
+		/*in case it is not on*/
+		if (!link->dc->config.edp_no_power_sequencing)
+			link->dc->hwss.edp_power_control(link, true);
+		link->dc->hwss.edp_wait_for_hpd_ready(link, true);
+	}
+
+	/* Link may not have physical HPD pin. */
+	if (link->ep_type != DISPLAY_ENDPOINT_PHY) {
+		if (link->is_hpd_pending || !dc_link_dpia_query_hpd_status(link))
+			*type = dc_connection_none;
+		else
+			*type = dc_connection_single;
+
+		return true;
+	}
+
+
+	if (!query_hpd_status(link, &is_hpd_high))
+		goto hpd_gpio_failure;
+
+	if (is_hpd_high) {
+		*type = dc_connection_single;
+		/* TODO: need to do the actual detection */
+	} else {
+		*type = dc_connection_none;
+	}
+
+	return true;
+
+hpd_gpio_failure:
+	return false;
+}
+
+bool link_detect(struct dc_link *link, enum dc_detect_reason reason)
+{
+	bool is_local_sink_detect_success;
+	bool is_delegated_to_mst_top_mgr = false;
+	enum dc_connection_type pre_link_type = link->type;
+
+	is_local_sink_detect_success = detect_link_and_local_sink(link, reason);
+
+	if (is_local_sink_detect_success && link->local_sink)
+		verify_link_capability(link, link->local_sink, reason);
+
+	if (is_local_sink_detect_success && link->local_sink &&
+			dc_is_dp_signal(link->local_sink->sink_signal) &&
+			link->dpcd_caps.is_mst_capable)
+		is_delegated_to_mst_top_mgr = discover_dp_mst_topology(link, reason);
+
+	if (is_local_sink_detect_success &&
+			pre_link_type == dc_connection_mst_branch &&
+			link->type != dc_connection_mst_branch)
+		is_delegated_to_mst_top_mgr = link_reset_cur_dp_mst_topology(link);
+
+	return is_local_sink_detect_success && !is_delegated_to_mst_top_mgr;
+}
+
+void link_clear_dprx_states(struct dc_link *link)
+{
+	memset(&link->dprx_states, 0, sizeof(link->dprx_states));
+}
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+
+bool link_is_hdcp14(struct dc_link *link, enum signal_type signal)
+{
+	bool ret = false;
+
+	switch (signal)	{
+	case SIGNAL_TYPE_DISPLAY_PORT:
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+		ret = link->hdcp_caps.bcaps.bits.HDCP_CAPABLE;
+		break;
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+	/* HDMI doesn't tell us its HDCP(1.4) capability, so assume to always be capable,
+	 * we can poll for bksv but some displays have an issue with this. Since its so rare
+	 * for a display to not be 1.4 capable, this assumtion is ok
+	 */
+		ret = true;
+		break;
+	default:
+		break;
+	}
+	return ret;
+}
+
+bool link_is_hdcp22(struct dc_link *link, enum signal_type signal)
+{
+	bool ret = false;
+
+	switch (signal)	{
+	case SIGNAL_TYPE_DISPLAY_PORT:
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+		ret = (link->hdcp_caps.bcaps.bits.HDCP_CAPABLE &&
+				link->hdcp_caps.rx_caps.fields.byte0.hdcp_capable &&
+				(link->hdcp_caps.rx_caps.fields.version == 0x2)) ? 1 : 0;
+		break;
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+		ret = (link->hdcp_caps.rx_caps.fields.version == 0x4) ? 1:0;
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+#endif // CONFIG_DRM_AMD_DC_HDCP
+
+const struct dc_link_status *link_get_status(const struct dc_link *link)
+{
+	return &link->link_status;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.h b/drivers/gpu/drm/amd/display/dc/link/link_detection.h
new file mode 100644
index 000000000000..1831636516fb
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_LINK_DETECTION_H__
+#define __DC_LINK_DETECTION_H__
+#include "link.h"
+
+#endif /* __DC_LINK_DETECTION_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
new file mode 100644
index 000000000000..257e1c3ba00a
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -0,0 +1,2528 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+/* FILE POLICY AND INTENDED USAGE:
+ * This file owns the programming sequence of stream's dpms state associated
+ * with the link and link's enable/disable sequences as result of the stream's
+ * dpms state change.
+ *
+ * TODO - The reason link owns stream's dpms programming sequence is
+ * because dpms programming sequence is highly dependent on underlying signal
+ * specific link protocols. This unfortunately causes link to own a portion of
+ * stream state programming sequence. This creates a gray area where the
+ * boundary between link and stream is not clearly defined.
+ */
+
+#include "link_dpms.h"
+#include "link_hwss.h"
+#include "accessories/link_fpga.h"
+#include "accessories/link_dp_trace.h"
+#include "protocols/link_dpcd.h"
+#include "protocols/link_ddc.h"
+#include "protocols/link_hpd.h"
+#include "protocols/link_dp_phy.h"
+#include "protocols/link_dp_capability.h"
+#include "protocols/link_dp_training.h"
+#include "protocols/link_edp_panel_control.h"
+
+#include "dm_helpers.h"
+#include "link_enc_cfg.h"
+#include "resource.h"
+#include "dsc.h"
+#include "dccg.h"
+#include "clk_mgr.h"
+#include "atomfirmware.h"
+#define DC_LOGGER_INIT(logger)
+
+#define LINK_INFO(...) \
+	DC_LOG_HW_HOTPLUG(  \
+		__VA_ARGS__)
+
+#define RETIMER_REDRIVER_INFO(...) \
+	DC_LOG_RETIMER_REDRIVER(  \
+		__VA_ARGS__)
+#include "dc/dcn30/dcn30_vpg.h"
+
+#define MAX_MTP_SLOT_COUNT 64
+#define LINK_TRAINING_ATTEMPTS 4
+#define PEAK_FACTOR_X1000 1006
+
+void link_blank_all_dp_displays(struct dc *dc)
+{
+	unsigned int i;
+	uint8_t dpcd_power_state = '\0';
+	enum dc_status status = DC_ERROR_UNEXPECTED;
+
+	for (i = 0; i < dc->link_count; i++) {
+		if ((dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT) ||
+			(dc->links[i]->priv == NULL) || (dc->links[i]->local_sink == NULL))
+			continue;
+
+		/* DP 2.0 spec requires that we read LTTPR caps first */
+		dp_retrieve_lttpr_cap(dc->links[i]);
+		/* if any of the displays are lit up turn them off */
+		status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
+							&dpcd_power_state, sizeof(dpcd_power_state));
+
+		if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0)
+			link_blank_dp_stream(dc->links[i], true);
+	}
+
+}
+
+void link_blank_all_edp_displays(struct dc *dc)
+{
+	unsigned int i;
+	uint8_t dpcd_power_state = '\0';
+	enum dc_status status = DC_ERROR_UNEXPECTED;
+
+	for (i = 0; i < dc->link_count; i++) {
+		if ((dc->links[i]->connector_signal != SIGNAL_TYPE_EDP) ||
+			(!dc->links[i]->edp_sink_present))
+			continue;
+
+		/* if any of the displays are lit up turn them off */
+		status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
+							&dpcd_power_state, sizeof(dpcd_power_state));
+
+		if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0)
+			link_blank_dp_stream(dc->links[i], true);
+	}
+}
+
+void link_blank_dp_stream(struct dc_link *link, bool hw_init)
+{
+	unsigned int j;
+	struct dc  *dc = link->ctx->dc;
+	enum signal_type signal = link->connector_signal;
+
+	if ((signal == SIGNAL_TYPE_EDP) ||
+		(signal == SIGNAL_TYPE_DISPLAY_PORT)) {
+		if (link->ep_type == DISPLAY_ENDPOINT_PHY &&
+			link->link_enc->funcs->get_dig_frontend &&
+			link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
+			unsigned int fe = link->link_enc->funcs->get_dig_frontend(link->link_enc);
+
+			if (fe != ENGINE_ID_UNKNOWN)
+				for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
+					if (fe == dc->res_pool->stream_enc[j]->id) {
+						dc->res_pool->stream_enc[j]->funcs->dp_blank(link,
+									dc->res_pool->stream_enc[j]);
+						break;
+					}
+				}
+		}
+
+		if ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)
+			dc_link_dp_receiver_power_ctrl(link, false);
+	}
+}
+
+void link_set_all_streams_dpms_off_for_link(struct dc_link *link)
+{
+	struct pipe_ctx *pipes[MAX_PIPES];
+	struct dc_state *state = link->dc->current_state;
+	uint8_t count;
+	int i;
+	struct dc_stream_update stream_update;
+	bool dpms_off = true;
+	struct link_resource link_res = {0};
+
+	memset(&stream_update, 0, sizeof(stream_update));
+	stream_update.dpms_off = &dpms_off;
+
+	link_get_master_pipes_with_dpms_on(link, state, &count, pipes);
+
+	for (i = 0; i < count; i++) {
+		stream_update.stream = pipes[i]->stream;
+		dc_commit_updates_for_stream(link->ctx->dc, NULL, 0,
+				pipes[i]->stream, &stream_update,
+				state);
+	}
+
+	/* link can be also enabled by vbios. In this case it is not recorded
+	 * in pipe_ctx. Disable link phy here to make sure it is completely off
+	 */
+	dp_disable_link_phy(link, &link_res, link->connector_signal);
+}
+
+void link_resume(struct dc_link *link)
+{
+	if (link->connector_signal != SIGNAL_TYPE_VIRTUAL)
+		program_hpd_filter(link);
+}
+
+/* This function returns true if the pipe is used to feed video signal directly
+ * to the link.
+ */
+static bool is_master_pipe_for_link(const struct dc_link *link,
+		const struct pipe_ctx *pipe)
+{
+	return (pipe->stream &&
+			pipe->stream->link &&
+			pipe->stream->link == link &&
+			pipe->top_pipe == NULL &&
+			pipe->prev_odm_pipe == NULL);
+}
+
+/*
+ * This function finds all master pipes feeding to a given link with dpms set to
+ * on in given dc state.
+ */
+void link_get_master_pipes_with_dpms_on(const struct dc_link *link,
+		struct dc_state *state,
+		uint8_t *count,
+		struct pipe_ctx *pipes[MAX_PIPES])
+{
+	int i;
+	struct pipe_ctx *pipe = NULL;
+
+	*count = 0;
+	for (i = 0; i < MAX_PIPES; i++) {
+		pipe = &state->res_ctx.pipe_ctx[i];
+
+		if (is_master_pipe_for_link(link, pipe) &&
+				pipe->stream->dpms_off == false) {
+			pipes[(*count)++] = pipe;
+		}
+	}
+}
+
+static bool get_ext_hdmi_settings(struct pipe_ctx *pipe_ctx,
+		enum engine_id eng_id,
+		struct ext_hdmi_settings *settings)
+{
+	bool result = false;
+	int i = 0;
+	struct integrated_info *integrated_info =
+			pipe_ctx->stream->ctx->dc_bios->integrated_info;
+
+	if (integrated_info == NULL)
+		return false;
+
+	/*
+	 * Get retimer settings from sbios for passing SI eye test for DCE11
+	 * The setting values are varied based on board revision and port id
+	 * Therefore the setting values of each ports is passed by sbios.
+	 */
+
+	// Check if current bios contains ext Hdmi settings
+	if (integrated_info->gpu_cap_info & 0x20) {
+		switch (eng_id) {
+		case ENGINE_ID_DIGA:
+			settings->slv_addr = integrated_info->dp0_ext_hdmi_slv_addr;
+			settings->reg_num = integrated_info->dp0_ext_hdmi_6g_reg_num;
+			settings->reg_num_6g = integrated_info->dp0_ext_hdmi_6g_reg_num;
+			memmove(settings->reg_settings,
+					integrated_info->dp0_ext_hdmi_reg_settings,
+					sizeof(integrated_info->dp0_ext_hdmi_reg_settings));
+			memmove(settings->reg_settings_6g,
+					integrated_info->dp0_ext_hdmi_6g_reg_settings,
+					sizeof(integrated_info->dp0_ext_hdmi_6g_reg_settings));
+			result = true;
+			break;
+		case ENGINE_ID_DIGB:
+			settings->slv_addr = integrated_info->dp1_ext_hdmi_slv_addr;
+			settings->reg_num = integrated_info->dp1_ext_hdmi_6g_reg_num;
+			settings->reg_num_6g = integrated_info->dp1_ext_hdmi_6g_reg_num;
+			memmove(settings->reg_settings,
+					integrated_info->dp1_ext_hdmi_reg_settings,
+					sizeof(integrated_info->dp1_ext_hdmi_reg_settings));
+			memmove(settings->reg_settings_6g,
+					integrated_info->dp1_ext_hdmi_6g_reg_settings,
+					sizeof(integrated_info->dp1_ext_hdmi_6g_reg_settings));
+			result = true;
+			break;
+		case ENGINE_ID_DIGC:
+			settings->slv_addr = integrated_info->dp2_ext_hdmi_slv_addr;
+			settings->reg_num = integrated_info->dp2_ext_hdmi_6g_reg_num;
+			settings->reg_num_6g = integrated_info->dp2_ext_hdmi_6g_reg_num;
+			memmove(settings->reg_settings,
+					integrated_info->dp2_ext_hdmi_reg_settings,
+					sizeof(integrated_info->dp2_ext_hdmi_reg_settings));
+			memmove(settings->reg_settings_6g,
+					integrated_info->dp2_ext_hdmi_6g_reg_settings,
+					sizeof(integrated_info->dp2_ext_hdmi_6g_reg_settings));
+			result = true;
+			break;
+		case ENGINE_ID_DIGD:
+			settings->slv_addr = integrated_info->dp3_ext_hdmi_slv_addr;
+			settings->reg_num = integrated_info->dp3_ext_hdmi_6g_reg_num;
+			settings->reg_num_6g = integrated_info->dp3_ext_hdmi_6g_reg_num;
+			memmove(settings->reg_settings,
+					integrated_info->dp3_ext_hdmi_reg_settings,
+					sizeof(integrated_info->dp3_ext_hdmi_reg_settings));
+			memmove(settings->reg_settings_6g,
+					integrated_info->dp3_ext_hdmi_6g_reg_settings,
+					sizeof(integrated_info->dp3_ext_hdmi_6g_reg_settings));
+			result = true;
+			break;
+		default:
+			break;
+		}
+
+		if (result == true) {
+			// Validate settings from bios integrated info table
+			if (settings->slv_addr == 0)
+				return false;
+			if (settings->reg_num > 9)
+				return false;
+			if (settings->reg_num_6g > 3)
+				return false;
+
+			for (i = 0; i < settings->reg_num; i++) {
+				if (settings->reg_settings[i].i2c_reg_index > 0x20)
+					return false;
+			}
+
+			for (i = 0; i < settings->reg_num_6g; i++) {
+				if (settings->reg_settings_6g[i].i2c_reg_index > 0x20)
+					return false;
+			}
+		}
+	}
+
+	return result;
+}
+
+static bool write_i2c(struct pipe_ctx *pipe_ctx,
+		uint8_t address, uint8_t *buffer, uint32_t length)
+{
+	struct i2c_command cmd = {0};
+	struct i2c_payload payload = {0};
+
+	memset(&payload, 0, sizeof(payload));
+	memset(&cmd, 0, sizeof(cmd));
+
+	cmd.number_of_payloads = 1;
+	cmd.engine = I2C_COMMAND_ENGINE_DEFAULT;
+	cmd.speed = pipe_ctx->stream->ctx->dc->caps.i2c_speed_in_khz;
+
+	payload.address = address;
+	payload.data = buffer;
+	payload.length = length;
+	payload.write = true;
+	cmd.payloads = &payload;
+
+	if (dm_helpers_submit_i2c(pipe_ctx->stream->ctx,
+			pipe_ctx->stream->link, &cmd))
+		return true;
+
+	return false;
+}
+
+static void write_i2c_retimer_setting(
+		struct pipe_ctx *pipe_ctx,
+		bool is_vga_mode,
+		bool is_over_340mhz,
+		struct ext_hdmi_settings *settings)
+{
+	uint8_t slave_address = (settings->slv_addr >> 1);
+	uint8_t buffer[2];
+	const uint8_t apply_rx_tx_change = 0x4;
+	uint8_t offset = 0xA;
+	uint8_t value = 0;
+	int i = 0;
+	bool i2c_success = false;
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
+	memset(&buffer, 0, sizeof(buffer));
+
+	/* Start Ext-Hdmi programming*/
+
+	for (i = 0; i < settings->reg_num; i++) {
+		/* Apply 3G settings */
+		if (settings->reg_settings[i].i2c_reg_index <= 0x20) {
+
+			buffer[0] = settings->reg_settings[i].i2c_reg_index;
+			buffer[1] = settings->reg_settings[i].i2c_reg_val;
+			i2c_success = write_i2c(pipe_ctx, slave_address,
+						buffer, sizeof(buffer));
+			RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+				offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+				slave_address, buffer[0], buffer[1], i2c_success?1:0);
+
+			if (!i2c_success)
+				goto i2c_write_fail;
+
+			/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
+			 * needs to be set to 1 on every 0xA-0xC write.
+			 */
+			if (settings->reg_settings[i].i2c_reg_index == 0xA ||
+				settings->reg_settings[i].i2c_reg_index == 0xB ||
+				settings->reg_settings[i].i2c_reg_index == 0xC) {
+
+				/* Query current value from offset 0xA */
+				if (settings->reg_settings[i].i2c_reg_index == 0xA)
+					value = settings->reg_settings[i].i2c_reg_val;
+				else {
+					i2c_success =
+						link_query_ddc_data(
+						pipe_ctx->stream->link->ddc,
+						slave_address, &offset, 1, &value, 1);
+					if (!i2c_success)
+						goto i2c_write_fail;
+				}
+
+				buffer[0] = offset;
+				/* Set APPLY_RX_TX_CHANGE bit to 1 */
+				buffer[1] = value | apply_rx_tx_change;
+				i2c_success = write_i2c(pipe_ctx, slave_address,
+						buffer, sizeof(buffer));
+				RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+					offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+					slave_address, buffer[0], buffer[1], i2c_success?1:0);
+				if (!i2c_success)
+					goto i2c_write_fail;
+			}
+		}
+	}
+
+	/* Apply 3G settings */
+	if (is_over_340mhz) {
+		for (i = 0; i < settings->reg_num_6g; i++) {
+			/* Apply 3G settings */
+			if (settings->reg_settings[i].i2c_reg_index <= 0x20) {
+
+				buffer[0] = settings->reg_settings_6g[i].i2c_reg_index;
+				buffer[1] = settings->reg_settings_6g[i].i2c_reg_val;
+				i2c_success = write_i2c(pipe_ctx, slave_address,
+							buffer, sizeof(buffer));
+				RETIMER_REDRIVER_INFO("above 340Mhz: retimer write to slave_address = 0x%x,\
+					offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+					slave_address, buffer[0], buffer[1], i2c_success?1:0);
+
+				if (!i2c_success)
+					goto i2c_write_fail;
+
+				/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
+				 * needs to be set to 1 on every 0xA-0xC write.
+				 */
+				if (settings->reg_settings_6g[i].i2c_reg_index == 0xA ||
+					settings->reg_settings_6g[i].i2c_reg_index == 0xB ||
+					settings->reg_settings_6g[i].i2c_reg_index == 0xC) {
+
+					/* Query current value from offset 0xA */
+					if (settings->reg_settings_6g[i].i2c_reg_index == 0xA)
+						value = settings->reg_settings_6g[i].i2c_reg_val;
+					else {
+						i2c_success =
+								link_query_ddc_data(
+								pipe_ctx->stream->link->ddc,
+								slave_address, &offset, 1, &value, 1);
+						if (!i2c_success)
+							goto i2c_write_fail;
+					}
+
+					buffer[0] = offset;
+					/* Set APPLY_RX_TX_CHANGE bit to 1 */
+					buffer[1] = value | apply_rx_tx_change;
+					i2c_success = write_i2c(pipe_ctx, slave_address,
+							buffer, sizeof(buffer));
+					RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+						offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+						slave_address, buffer[0], buffer[1], i2c_success?1:0);
+					if (!i2c_success)
+						goto i2c_write_fail;
+				}
+			}
+		}
+	}
+
+	if (is_vga_mode) {
+		/* Program additional settings if using 640x480 resolution */
+
+		/* Write offset 0xFF to 0x01 */
+		buffer[0] = 0xff;
+		buffer[1] = 0x01;
+		i2c_success = write_i2c(pipe_ctx, slave_address,
+				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+				offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+				slave_address, buffer[0], buffer[1], i2c_success?1:0);
+		if (!i2c_success)
+			goto i2c_write_fail;
+
+		/* Write offset 0x00 to 0x23 */
+		buffer[0] = 0x00;
+		buffer[1] = 0x23;
+		i2c_success = write_i2c(pipe_ctx, slave_address,
+				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
+		if (!i2c_success)
+			goto i2c_write_fail;
+
+		/* Write offset 0xff to 0x00 */
+		buffer[0] = 0xff;
+		buffer[1] = 0x00;
+		i2c_success = write_i2c(pipe_ctx, slave_address,
+				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
+		if (!i2c_success)
+			goto i2c_write_fail;
+
+	}
+
+	return;
+
+i2c_write_fail:
+	DC_LOG_DEBUG("Set retimer failed");
+}
+
+static void write_i2c_default_retimer_setting(
+		struct pipe_ctx *pipe_ctx,
+		bool is_vga_mode,
+		bool is_over_340mhz)
+{
+	uint8_t slave_address = (0xBA >> 1);
+	uint8_t buffer[2];
+	bool i2c_success = false;
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
+	memset(&buffer, 0, sizeof(buffer));
+
+	/* Program Slave Address for tuning single integrity */
+	/* Write offset 0x0A to 0x13 */
+	buffer[0] = 0x0A;
+	buffer[1] = 0x13;
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer writes default setting to slave_address = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
+	if (!i2c_success)
+		goto i2c_write_fail;
+
+	/* Write offset 0x0A to 0x17 */
+	buffer[0] = 0x0A;
+	buffer[1] = 0x17;
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
+	if (!i2c_success)
+		goto i2c_write_fail;
+
+	/* Write offset 0x0B to 0xDA or 0xD8 */
+	buffer[0] = 0x0B;
+	buffer[1] = is_over_340mhz ? 0xDA : 0xD8;
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
+	if (!i2c_success)
+		goto i2c_write_fail;
+
+	/* Write offset 0x0A to 0x17 */
+	buffer[0] = 0x0A;
+	buffer[1] = 0x17;
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
+	if (!i2c_success)
+		goto i2c_write_fail;
+
+	/* Write offset 0x0C to 0x1D or 0x91 */
+	buffer[0] = 0x0C;
+	buffer[1] = is_over_340mhz ? 0x1D : 0x91;
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
+	if (!i2c_success)
+		goto i2c_write_fail;
+
+	/* Write offset 0x0A to 0x17 */
+	buffer[0] = 0x0A;
+	buffer[1] = 0x17;
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+			buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+		offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+		slave_address, buffer[0], buffer[1], i2c_success?1:0);
+	if (!i2c_success)
+		goto i2c_write_fail;
+
+
+	if (is_vga_mode) {
+		/* Program additional settings if using 640x480 resolution */
+
+		/* Write offset 0xFF to 0x01 */
+		buffer[0] = 0xff;
+		buffer[1] = 0x01;
+		i2c_success = write_i2c(pipe_ctx, slave_address,
+				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+			offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
+		if (!i2c_success)
+			goto i2c_write_fail;
+
+		/* Write offset 0x00 to 0x23 */
+		buffer[0] = 0x00;
+		buffer[1] = 0x23;
+		i2c_success = write_i2c(pipe_ctx, slave_address,
+				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+			offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
+		if (!i2c_success)
+			goto i2c_write_fail;
+
+		/* Write offset 0xff to 0x00 */
+		buffer[0] = 0xff;
+		buffer[1] = 0x00;
+		i2c_success = write_i2c(pipe_ctx, slave_address,
+				buffer, sizeof(buffer));
+		RETIMER_REDRIVER_INFO("retimer write default setting to slave_addr = 0x%x,\
+			offset = 0x%x, reg_val= 0x%x, i2c_success = %d end here\n",
+			slave_address, buffer[0], buffer[1], i2c_success?1:0);
+		if (!i2c_success)
+			goto i2c_write_fail;
+	}
+
+	return;
+
+i2c_write_fail:
+	DC_LOG_DEBUG("Set default retimer failed");
+}
+
+static void write_i2c_redriver_setting(
+		struct pipe_ctx *pipe_ctx,
+		bool is_over_340mhz)
+{
+	uint8_t slave_address = (0xF0 >> 1);
+	uint8_t buffer[16];
+	bool i2c_success = false;
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
+	memset(&buffer, 0, sizeof(buffer));
+
+	// Program Slave Address for tuning single integrity
+	buffer[3] = 0x4E;
+	buffer[4] = 0x4E;
+	buffer[5] = 0x4E;
+	buffer[6] = is_over_340mhz ? 0x4E : 0x4A;
+
+	i2c_success = write_i2c(pipe_ctx, slave_address,
+					buffer, sizeof(buffer));
+	RETIMER_REDRIVER_INFO("redriver write 0 to all 16 reg offset expect following:\n\
+		\t slave_addr = 0x%x, offset[3] = 0x%x, offset[4] = 0x%x,\
+		offset[5] = 0x%x,offset[6] is_over_340mhz = 0x%x,\
+		i2c_success = %d\n",
+		slave_address, buffer[3], buffer[4], buffer[5], buffer[6], i2c_success?1:0);
+
+	if (!i2c_success)
+		DC_LOG_DEBUG("Set redriver failed");
+}
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+
+static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off)
+{
+	struct cp_psp *cp_psp = &pipe_ctx->stream->ctx->cp_psp;
+	struct link_encoder *link_enc = NULL;
+	struct cp_psp_stream_config config = {0};
+	enum dp_panel_mode panel_mode =
+			dp_get_panel_mode(pipe_ctx->stream->link);
+
+	if (cp_psp == NULL || cp_psp->funcs.update_stream_config == NULL)
+		return;
+
+	link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	ASSERT(link_enc);
+	if (link_enc == NULL)
+		return;
+
+	/* otg instance */
+	config.otg_inst = (uint8_t) pipe_ctx->stream_res.tg->inst;
+
+	/* dig front end */
+	config.dig_fe = (uint8_t) pipe_ctx->stream_res.stream_enc->stream_enc_inst;
+
+	/* stream encoder index */
+	config.stream_enc_idx = pipe_ctx->stream_res.stream_enc->id - ENGINE_ID_DIGA;
+	if (link_is_dp_128b_132b_signal(pipe_ctx))
+		config.stream_enc_idx =
+				pipe_ctx->stream_res.hpo_dp_stream_enc->id - ENGINE_ID_HPO_DP_0;
+
+	/* dig back end */
+	config.dig_be = pipe_ctx->stream->link->link_enc_hw_inst;
+
+	/* link encoder index */
+	config.link_enc_idx = link_enc->transmitter - TRANSMITTER_UNIPHY_A;
+	if (link_is_dp_128b_132b_signal(pipe_ctx))
+		config.link_enc_idx = pipe_ctx->link_res.hpo_dp_link_enc->inst;
+
+	/* dio output index is dpia index for DPIA endpoint & dcio index by default */
+	if (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+		config.dio_output_idx = pipe_ctx->stream->link->link_id.enum_id - ENUM_ID_1;
+	else
+		config.dio_output_idx = link_enc->transmitter - TRANSMITTER_UNIPHY_A;
+
+
+	/* phy index */
+	config.phy_idx = resource_transmitter_to_phy_idx(
+			pipe_ctx->stream->link->dc, link_enc->transmitter);
+	if (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+		/* USB4 DPIA doesn't use PHY in our soc, initialize it to 0 */
+		config.phy_idx = 0;
+
+	/* stream properties */
+	config.assr_enabled = (panel_mode == DP_PANEL_MODE_EDP) ? 1 : 0;
+	config.mst_enabled = (pipe_ctx->stream->signal ==
+			SIGNAL_TYPE_DISPLAY_PORT_MST) ? 1 : 0;
+	config.dp2_enabled = link_is_dp_128b_132b_signal(pipe_ctx) ? 1 : 0;
+	config.usb4_enabled = (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) ?
+			1 : 0;
+	config.dpms_off = dpms_off;
+
+	/* dm stream context */
+	config.dm_stream_ctx = pipe_ctx->stream->dm_stream_context;
+
+	cp_psp->funcs.update_stream_config(cp_psp->handle, &config);
+}
+#endif
+
+static void set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
+{
+	struct dc  *dc = pipe_ctx->stream->ctx->dc;
+
+	if (!dc_is_hdmi_signal(pipe_ctx->stream->signal))
+		return;
+
+	dc->hwss.set_avmute(pipe_ctx, enable);
+}
+
+static void enable_mst_on_sink(struct dc_link *link, bool enable)
+{
+	unsigned char mstmCntl;
+
+	core_link_read_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
+	if (enable)
+		mstmCntl |= DP_MST_EN;
+	else
+		mstmCntl &= (~DP_MST_EN);
+
+	core_link_write_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
+}
+
+static void dsc_optc_config_log(struct display_stream_compressor *dsc,
+		struct dsc_optc_config *config)
+{
+	uint32_t precision = 1 << 28;
+	uint32_t bytes_per_pixel_int = config->bytes_per_pixel / precision;
+	uint32_t bytes_per_pixel_mod = config->bytes_per_pixel % precision;
+	uint64_t ll_bytes_per_pix_fraq = bytes_per_pixel_mod;
+	DC_LOGGER_INIT(dsc->ctx->logger);
+
+	/* 7 fractional digits decimal precision for bytes per pixel is enough because DSC
+	 * bits per pixel precision is 1/16th of a pixel, which means bytes per pixel precision is
+	 * 1/16/8 = 1/128 of a byte, or 0.0078125 decimal
+	 */
+	ll_bytes_per_pix_fraq *= 10000000;
+	ll_bytes_per_pix_fraq /= precision;
+
+	DC_LOG_DSC("\tbytes_per_pixel 0x%08x (%d.%07d)",
+			config->bytes_per_pixel, bytes_per_pixel_int, (uint32_t)ll_bytes_per_pix_fraq);
+	DC_LOG_DSC("\tis_pixel_format_444 %d", config->is_pixel_format_444);
+	DC_LOG_DSC("\tslice_width %d", config->slice_width);
+}
+
+static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
+{
+	struct dc *dc = pipe_ctx->stream->ctx->dc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	bool result = false;
+
+	if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+		result = true;
+	else
+		result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable);
+	return result;
+}
+
+/* The stream with these settings can be sent (unblanked) only after DSC was enabled on RX first,
+ * i.e. after dp_enable_dsc_on_rx() had been called
+ */
+void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
+{
+	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
+	struct dc *dc = pipe_ctx->stream->ctx->dc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct pipe_ctx *odm_pipe;
+	int opp_cnt = 1;
+	DC_LOGGER_INIT(dsc->ctx->logger);
+
+	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
+		opp_cnt++;
+
+	if (enable) {
+		struct dsc_config dsc_cfg;
+		struct dsc_optc_config dsc_optc_cfg;
+		enum optc_dsc_mode optc_dsc_mode;
+
+		/* Enable DSC hw block */
+		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
+		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
+		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
+		dsc_cfg.color_depth = stream->timing.display_color_depth;
+		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
+		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
+		ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0);
+		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
+
+		dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
+		dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
+		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+			struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
+
+			odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
+			odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
+		}
+		dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt;
+		dsc_cfg.pic_width *= opp_cnt;
+
+		optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
+
+		/* Enable DSC in encoder */
+		if (dc_is_dp_signal(stream->signal) && !IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)
+				&& !link_is_dp_128b_132b_signal(pipe_ctx)) {
+			DC_LOG_DSC("Setting stream encoder DSC config for engine %d:", (int)pipe_ctx->stream_res.stream_enc->id);
+			dsc_optc_config_log(dsc, &dsc_optc_cfg);
+			pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(pipe_ctx->stream_res.stream_enc,
+									optc_dsc_mode,
+									dsc_optc_cfg.bytes_per_pixel,
+									dsc_optc_cfg.slice_width);
+
+			/* PPS SDP is set elsewhere because it has to be done after DIG FE is connected to DIG BE */
+		}
+
+		/* Enable DSC in OPTC */
+		DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
+		dsc_optc_config_log(dsc, &dsc_optc_cfg);
+		pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg,
+							optc_dsc_mode,
+							dsc_optc_cfg.bytes_per_pixel,
+							dsc_optc_cfg.slice_width);
+	} else {
+		/* disable DSC in OPTC */
+		pipe_ctx->stream_res.tg->funcs->set_dsc_config(
+				pipe_ctx->stream_res.tg,
+				OPTC_DSC_DISABLED, 0, 0);
+
+		/* disable DSC in stream encoder */
+		if (dc_is_dp_signal(stream->signal)) {
+			if (link_is_dp_128b_132b_signal(pipe_ctx))
+				pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
+										pipe_ctx->stream_res.hpo_dp_stream_enc,
+										false,
+										NULL,
+										true);
+			else if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
+				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(
+						pipe_ctx->stream_res.stream_enc,
+						OPTC_DSC_DISABLED, 0, 0);
+				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
+							pipe_ctx->stream_res.stream_enc, false, NULL, true);
+			}
+		}
+
+		/* disable DSC block */
+		pipe_ctx->stream_res.dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc);
+		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
+			odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
+	}
+}
+
+/*
+ * For dynamic bpp change case, dsc is programmed with MASTER_UPDATE_LOCK enabled;
+ * hence PPS info packet update need to use frame update instead of immediate update.
+ * Added parameter immediate_update for this purpose.
+ * The decision to use frame update is hard-coded in function dp_update_dsc_config(),
+ * which is the only place where a "false" would be passed in for param immediate_update.
+ *
+ * immediate_update is only applicable when DSC is enabled.
+ */
+bool link_set_dsc_pps_packet(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update)
+{
+	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	DC_LOGGER_INIT(dsc->ctx->logger);
+
+	if (!pipe_ctx->stream->timing.flags.DSC || !dsc)
+		return false;
+
+	if (enable) {
+		struct dsc_config dsc_cfg;
+		uint8_t dsc_packed_pps[128];
+
+		memset(&dsc_cfg, 0, sizeof(dsc_cfg));
+		memset(dsc_packed_pps, 0, 128);
+
+		/* Enable DSC hw block */
+		dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
+		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
+		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
+		dsc_cfg.color_depth = stream->timing.display_color_depth;
+		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
+		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
+
+		dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, &dsc_packed_pps[0]);
+		memcpy(&stream->dsc_packed_pps[0], &dsc_packed_pps[0], sizeof(stream->dsc_packed_pps));
+		if (dc_is_dp_signal(stream->signal)) {
+			DC_LOG_DSC("Setting stream encoder DSC PPS SDP for engine %d\n", (int)pipe_ctx->stream_res.stream_enc->id);
+			if (link_is_dp_128b_132b_signal(pipe_ctx))
+				pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
+										pipe_ctx->stream_res.hpo_dp_stream_enc,
+										true,
+										&dsc_packed_pps[0],
+										immediate_update);
+			else
+				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
+						pipe_ctx->stream_res.stream_enc,
+						true,
+						&dsc_packed_pps[0],
+						immediate_update);
+		}
+	} else {
+		/* disable DSC PPS in stream encoder */
+		memset(&stream->dsc_packed_pps[0], 0, sizeof(stream->dsc_packed_pps));
+		if (dc_is_dp_signal(stream->signal)) {
+			if (link_is_dp_128b_132b_signal(pipe_ctx))
+				pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
+										pipe_ctx->stream_res.hpo_dp_stream_enc,
+										false,
+										NULL,
+										true);
+			else
+				pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
+						pipe_ctx->stream_res.stream_enc, false, NULL, true);
+		}
+	}
+
+	return true;
+}
+
+bool link_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable)
+{
+	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
+	bool result = false;
+
+	if (!pipe_ctx->stream->timing.flags.DSC)
+		goto out;
+	if (!dsc)
+		goto out;
+
+	if (enable) {
+		{
+			link_set_dsc_on_stream(pipe_ctx, true);
+			result = true;
+		}
+	} else {
+		dp_set_dsc_on_rx(pipe_ctx, false);
+		link_set_dsc_on_stream(pipe_ctx, false);
+		result = true;
+	}
+out:
+	return result;
+}
+
+bool link_update_dsc_config(struct pipe_ctx *pipe_ctx)
+{
+	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
+
+	if (!pipe_ctx->stream->timing.flags.DSC)
+		return false;
+	if (!dsc)
+		return false;
+
+	link_set_dsc_on_stream(pipe_ctx, true);
+	link_set_dsc_pps_packet(pipe_ctx, true, false);
+	return true;
+}
+
+static void enable_stream_features(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+
+	if (pipe_ctx->stream->signal != SIGNAL_TYPE_DISPLAY_PORT_MST) {
+		struct dc_link *link = stream->link;
+		union down_spread_ctrl old_downspread;
+		union down_spread_ctrl new_downspread;
+
+		memset(&old_downspread, 0, sizeof(old_downspread));
+
+		core_link_read_dpcd(link, DP_DOWNSPREAD_CTRL,
+				&old_downspread.raw, sizeof(old_downspread));
+
+		new_downspread.raw = old_downspread.raw;
+
+		new_downspread.bits.IGNORE_MSA_TIMING_PARAM =
+				(stream->ignore_msa_timing_param) ? 1 : 0;
+
+		if (new_downspread.raw != old_downspread.raw) {
+			core_link_write_dpcd(link, DP_DOWNSPREAD_CTRL,
+				&new_downspread.raw, sizeof(new_downspread));
+		}
+
+	} else {
+		dm_helpers_mst_enable_stream_features(stream);
+	}
+}
+
+static void dc_log_vcp_x_y(const struct dc_link *link, struct fixed31_32 avg_time_slots_per_mtp)
+{
+	const uint32_t VCP_Y_PRECISION = 1000;
+	uint64_t vcp_x, vcp_y;
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	// Add 0.5*(1/VCP_Y_PRECISION) to round up to decimal precision
+	avg_time_slots_per_mtp = dc_fixpt_add(
+			avg_time_slots_per_mtp,
+			dc_fixpt_from_fraction(
+				1,
+				2*VCP_Y_PRECISION));
+
+	vcp_x = dc_fixpt_floor(
+			avg_time_slots_per_mtp);
+	vcp_y = dc_fixpt_floor(
+			dc_fixpt_mul_int(
+				dc_fixpt_sub_int(
+					avg_time_slots_per_mtp,
+					dc_fixpt_floor(
+							avg_time_slots_per_mtp)),
+				VCP_Y_PRECISION));
+
+
+	if (link->type == dc_connection_mst_branch)
+		DC_LOG_DP2("MST Update Payload: set_throttled_vcp_size slot X.Y for MST stream "
+				"X: %llu "
+				"Y: %llu/%d",
+				vcp_x,
+				vcp_y,
+				VCP_Y_PRECISION);
+	else
+		DC_LOG_DP2("SST Update Payload: set_throttled_vcp_size slot X.Y for SST stream "
+				"X: %llu "
+				"Y: %llu/%d",
+				vcp_x,
+				vcp_y,
+				VCP_Y_PRECISION);
+}
+
+static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
+{
+	struct fixed31_32 mbytes_per_sec;
+	uint32_t link_rate_in_mbytes_per_sec = dc_link_bandwidth_kbps(stream->link,
+			&stream->link->cur_link_settings);
+	link_rate_in_mbytes_per_sec /= 8000; /* Kbits to MBytes */
+
+	mbytes_per_sec = dc_fixpt_from_int(link_rate_in_mbytes_per_sec);
+
+	return dc_fixpt_div_int(mbytes_per_sec, 54);
+}
+
+static struct fixed31_32 get_pbn_from_bw_in_kbps(uint64_t kbps)
+{
+	struct fixed31_32 peak_kbps;
+	uint32_t numerator = 0;
+	uint32_t denominator = 1;
+
+	/*
+	 * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006
+	 * The unit of 54/64Mbytes/sec is an arbitrary unit chosen based on
+	 * common multiplier to render an integer PBN for all link rate/lane
+	 * counts combinations
+	 * calculate
+	 * peak_kbps *= (1006/1000)
+	 * peak_kbps *= (64/54)
+	 * peak_kbps *= 8    convert to bytes
+	 */
+
+	numerator = 64 * PEAK_FACTOR_X1000;
+	denominator = 54 * 8 * 1000 * 1000;
+	kbps *= numerator;
+	peak_kbps = dc_fixpt_from_fraction(kbps, denominator);
+
+	return peak_kbps;
+}
+
+static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx)
+{
+	uint64_t kbps;
+
+	kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing);
+	return get_pbn_from_bw_in_kbps(kbps);
+}
+
+
+// TODO - DP2.0 Link: Fix get_lane_status to handle LTTPR offset (SST and MST)
+static void get_lane_status(
+	struct dc_link *link,
+	uint32_t lane_count,
+	union lane_status *status,
+	union lane_align_status_updated *status_updated)
+{
+	unsigned int lane;
+	uint8_t dpcd_buf[3] = {0};
+
+	if (status == NULL || status_updated == NULL) {
+		return;
+	}
+
+	core_link_read_dpcd(
+			link,
+			DP_LANE0_1_STATUS,
+			dpcd_buf,
+			sizeof(dpcd_buf));
+
+	for (lane = 0; lane < lane_count; lane++) {
+		status[lane].raw = dp_get_nibble_at_index(&dpcd_buf[0], lane);
+	}
+
+	status_updated->raw = dpcd_buf[2];
+}
+
+static bool poll_for_allocation_change_trigger(struct dc_link *link)
+{
+	/*
+	 * wait for ACT handled
+	 */
+	int i;
+	const int act_retries = 30;
+	enum act_return_status result = ACT_FAILED;
+	union payload_table_update_status update_status = {0};
+	union lane_status dpcd_lane_status[LANE_COUNT_DP_MAX];
+	union lane_align_status_updated lane_status_updated;
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (link->aux_access_disabled)
+		return true;
+	for (i = 0; i < act_retries; i++) {
+		get_lane_status(link, link->cur_link_settings.lane_count, dpcd_lane_status, &lane_status_updated);
+
+		if (!dp_is_cr_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
+				!dp_is_ch_eq_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
+				!dp_is_symbol_locked(link->cur_link_settings.lane_count, dpcd_lane_status) ||
+				!dp_is_interlane_aligned(lane_status_updated)) {
+			DC_LOG_ERROR("SST Update Payload: Link loss occurred while "
+					"polling for ACT handled.");
+			result = ACT_LINK_LOST;
+			break;
+		}
+		core_link_read_dpcd(
+				link,
+				DP_PAYLOAD_TABLE_UPDATE_STATUS,
+				&update_status.raw,
+				1);
+
+		if (update_status.bits.ACT_HANDLED == 1) {
+			DC_LOG_DP2("SST Update Payload: ACT handled by downstream.");
+			result = ACT_SUCCESS;
+			break;
+		}
+
+		msleep(5);
+	}
+
+	if (result == ACT_FAILED) {
+		DC_LOG_ERROR("SST Update Payload: ACT still not handled after retries, "
+				"continue on. Something is wrong with the branch.");
+	}
+
+	return (result == ACT_SUCCESS);
+}
+
+static void update_mst_stream_alloc_table(
+	struct dc_link *link,
+	struct stream_encoder *stream_enc,
+	struct hpo_dp_stream_encoder *hpo_dp_stream_enc, // TODO: Rename stream_enc to dio_stream_enc?
+	const struct dc_dp_mst_stream_allocation_table *proposed_table)
+{
+	struct link_mst_stream_allocation work_table[MAX_CONTROLLER_NUM] = { 0 };
+	struct link_mst_stream_allocation *dc_alloc;
+
+	int i;
+	int j;
+
+	/* if DRM proposed_table has more than one new payload */
+	ASSERT(proposed_table->stream_count -
+			link->mst_stream_alloc_table.stream_count < 2);
+
+	/* copy proposed_table to link, add stream encoder */
+	for (i = 0; i < proposed_table->stream_count; i++) {
+
+		for (j = 0; j < link->mst_stream_alloc_table.stream_count; j++) {
+			dc_alloc =
+			&link->mst_stream_alloc_table.stream_allocations[j];
+
+			if (dc_alloc->vcp_id ==
+				proposed_table->stream_allocations[i].vcp_id) {
+
+				work_table[i] = *dc_alloc;
+				work_table[i].slot_count = proposed_table->stream_allocations[i].slot_count;
+				break; /* exit j loop */
+			}
+		}
+
+		/* new vcp_id */
+		if (j == link->mst_stream_alloc_table.stream_count) {
+			work_table[i].vcp_id =
+				proposed_table->stream_allocations[i].vcp_id;
+			work_table[i].slot_count =
+				proposed_table->stream_allocations[i].slot_count;
+			work_table[i].stream_enc = stream_enc;
+			work_table[i].hpo_dp_stream_enc = hpo_dp_stream_enc;
+		}
+	}
+
+	/* update link->mst_stream_alloc_table with work_table */
+	link->mst_stream_alloc_table.stream_count =
+			proposed_table->stream_count;
+	for (i = 0; i < MAX_CONTROLLER_NUM; i++)
+		link->mst_stream_alloc_table.stream_allocations[i] =
+				work_table[i];
+}
+
+static void remove_stream_from_alloc_table(
+		struct dc_link *link,
+		struct stream_encoder *dio_stream_enc,
+		struct hpo_dp_stream_encoder *hpo_dp_stream_enc)
+{
+	int i = 0;
+	struct link_mst_stream_allocation_table *table =
+			&link->mst_stream_alloc_table;
+
+	if (hpo_dp_stream_enc) {
+		for (; i < table->stream_count; i++)
+			if (hpo_dp_stream_enc == table->stream_allocations[i].hpo_dp_stream_enc)
+				break;
+	} else {
+		for (; i < table->stream_count; i++)
+			if (dio_stream_enc == table->stream_allocations[i].stream_enc)
+				break;
+	}
+
+	if (i < table->stream_count) {
+		i++;
+		for (; i < table->stream_count; i++)
+			table->stream_allocations[i-1] = table->stream_allocations[i];
+		memset(&table->stream_allocations[table->stream_count-1], 0,
+				sizeof(struct link_mst_stream_allocation));
+		table->stream_count--;
+	}
+}
+
+static enum dc_status deallocate_mst_payload_with_temp_drm_wa(
+		struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
+	struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0);
+	int i;
+	bool mst_mode = (link->type == dc_connection_mst_branch);
+	/* adjust for drm changes*/
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+	const struct dc_link_settings empty_link_settings = {0};
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (link_hwss->ext.set_throttled_vcp_size)
+		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
+	if (link_hwss->ext.set_hblank_min_symbol_width)
+		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+				&empty_link_settings,
+				avg_time_slots_per_mtp);
+
+	if (dm_helpers_dp_mst_write_payload_allocation_table(
+			stream->ctx,
+			stream,
+			&proposed_table,
+			false))
+		update_mst_stream_alloc_table(
+				link,
+				pipe_ctx->stream_res.stream_enc,
+				pipe_ctx->stream_res.hpo_dp_stream_enc,
+				&proposed_table);
+	else
+		DC_LOG_WARNING("Failed to update"
+				"MST allocation table for"
+				"pipe idx:%d\n",
+				pipe_ctx->pipe_idx);
+
+	DC_LOG_MST("%s"
+			"stream_count: %d: ",
+			__func__,
+			link->mst_stream_alloc_table.stream_count);
+
+	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
+		DC_LOG_MST("stream_enc[%d]: %p      "
+		"stream[%d].hpo_dp_stream_enc: %p      "
+		"stream[%d].vcp_id: %d      "
+		"stream[%d].slot_count: %d\n",
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
+	}
+
+	if (link_hwss->ext.update_stream_allocation_table == NULL ||
+			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
+		DC_LOG_DEBUG("Unknown encoding format\n");
+		return DC_ERROR_UNEXPECTED;
+	}
+
+	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
+			&link->mst_stream_alloc_table);
+
+	if (mst_mode) {
+		dm_helpers_dp_mst_poll_for_allocation_change_trigger(
+			stream->ctx,
+			stream);
+	}
+
+	dm_helpers_dp_mst_send_payload_allocation(
+			stream->ctx,
+			stream,
+			false);
+
+	return DC_OK;
+}
+
+static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
+	struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0);
+	int i;
+	bool mst_mode = (link->type == dc_connection_mst_branch);
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+	const struct dc_link_settings empty_link_settings = {0};
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (link->dc->debug.temp_mst_deallocation_sequence)
+		return deallocate_mst_payload_with_temp_drm_wa(pipe_ctx);
+
+	/* deallocate_mst_payload is called before disable link. When mode or
+	 * disable/enable monitor, new stream is created which is not in link
+	 * stream[] yet. For this, payload is not allocated yet, so de-alloc
+	 * should not done. For new mode set, map_resources will get engine
+	 * for new stream, so stream_enc->id should be validated until here.
+	 */
+
+	/* slot X.Y */
+	if (link_hwss->ext.set_throttled_vcp_size)
+		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
+	if (link_hwss->ext.set_hblank_min_symbol_width)
+		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+				&empty_link_settings,
+				avg_time_slots_per_mtp);
+
+	if (mst_mode) {
+		/* when link is in mst mode, reply on mst manager to remove
+		 * payload
+		 */
+		if (dm_helpers_dp_mst_write_payload_allocation_table(
+				stream->ctx,
+				stream,
+				&proposed_table,
+				false))
+			update_mst_stream_alloc_table(
+					link,
+					pipe_ctx->stream_res.stream_enc,
+					pipe_ctx->stream_res.hpo_dp_stream_enc,
+					&proposed_table);
+		else
+			DC_LOG_WARNING("Failed to update"
+					"MST allocation table for"
+					"pipe idx:%d\n",
+					pipe_ctx->pipe_idx);
+	} else {
+		/* when link is no longer in mst mode (mst hub unplugged),
+		 * remove payload with default dc logic
+		 */
+		remove_stream_from_alloc_table(link, pipe_ctx->stream_res.stream_enc,
+				pipe_ctx->stream_res.hpo_dp_stream_enc);
+	}
+
+	DC_LOG_MST("%s"
+			"stream_count: %d: ",
+			__func__,
+			link->mst_stream_alloc_table.stream_count);
+
+	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
+		DC_LOG_MST("stream_enc[%d]: %p      "
+		"stream[%d].hpo_dp_stream_enc: %p      "
+		"stream[%d].vcp_id: %d      "
+		"stream[%d].slot_count: %d\n",
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
+	}
+
+	/* update mst stream allocation table hardware state */
+	if (link_hwss->ext.update_stream_allocation_table == NULL ||
+			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
+		DC_LOG_DEBUG("Unknown encoding format\n");
+		return DC_ERROR_UNEXPECTED;
+	}
+
+	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
+			&link->mst_stream_alloc_table);
+
+	if (mst_mode) {
+		dm_helpers_dp_mst_poll_for_allocation_change_trigger(
+			stream->ctx,
+			stream);
+
+		dm_helpers_dp_mst_send_payload_allocation(
+				stream->ctx,
+				stream,
+				false);
+	}
+
+	return DC_OK;
+}
+
+/* convert link_mst_stream_alloc_table to dm dp_mst_stream_alloc_table
+ * because stream_encoder is not exposed to dm
+ */
+static enum dc_status allocate_mst_payload(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
+	struct fixed31_32 avg_time_slots_per_mtp;
+	struct fixed31_32 pbn;
+	struct fixed31_32 pbn_per_slot;
+	int i;
+	enum act_return_status ret;
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	/* enable_link_dp_mst already check link->enabled_stream_count
+	 * and stream is in link->stream[]. This is called during set mode,
+	 * stream_enc is available.
+	 */
+
+	/* get calculate VC payload for stream: stream_alloc */
+	if (dm_helpers_dp_mst_write_payload_allocation_table(
+		stream->ctx,
+		stream,
+		&proposed_table,
+		true))
+		update_mst_stream_alloc_table(
+					link,
+					pipe_ctx->stream_res.stream_enc,
+					pipe_ctx->stream_res.hpo_dp_stream_enc,
+					&proposed_table);
+	else
+		DC_LOG_WARNING("Failed to update"
+				"MST allocation table for"
+				"pipe idx:%d\n",
+				pipe_ctx->pipe_idx);
+
+	DC_LOG_MST("%s  "
+			"stream_count: %d: \n ",
+			__func__,
+			link->mst_stream_alloc_table.stream_count);
+
+	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
+		DC_LOG_MST("stream_enc[%d]: %p      "
+		"stream[%d].hpo_dp_stream_enc: %p      "
+		"stream[%d].vcp_id: %d      "
+		"stream[%d].slot_count: %d\n",
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
+	}
+
+	ASSERT(proposed_table.stream_count > 0);
+
+	/* program DP source TX for payload */
+	if (link_hwss->ext.update_stream_allocation_table == NULL ||
+			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
+		DC_LOG_ERROR("Failure: unknown encoding format\n");
+		return DC_ERROR_UNEXPECTED;
+	}
+
+	link_hwss->ext.update_stream_allocation_table(link,
+			&pipe_ctx->link_res,
+			&link->mst_stream_alloc_table);
+
+	/* send down message */
+	ret = dm_helpers_dp_mst_poll_for_allocation_change_trigger(
+			stream->ctx,
+			stream);
+
+	if (ret != ACT_LINK_LOST) {
+		dm_helpers_dp_mst_send_payload_allocation(
+				stream->ctx,
+				stream,
+				true);
+	}
+
+	/* slot X.Y for only current stream */
+	pbn_per_slot = get_pbn_per_slot(stream);
+	if (pbn_per_slot.value == 0) {
+		DC_LOG_ERROR("Failure: pbn_per_slot==0 not allowed. Cannot continue, returning DC_UNSUPPORTED_VALUE.\n");
+		return DC_UNSUPPORTED_VALUE;
+	}
+	pbn = get_pbn_from_timing(pipe_ctx);
+	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
+
+	dc_log_vcp_x_y(link, avg_time_slots_per_mtp);
+
+	if (link_hwss->ext.set_throttled_vcp_size)
+		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
+	if (link_hwss->ext.set_hblank_min_symbol_width)
+		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+				&link->cur_link_settings,
+				avg_time_slots_per_mtp);
+
+	return DC_OK;
+}
+
+struct fixed31_32 link_calculate_sst_avg_time_slots_per_mtp(
+		const struct dc_stream_state *stream,
+		const struct dc_link *link)
+{
+	struct fixed31_32 link_bw_effective =
+			dc_fixpt_from_int(
+					dc_link_bandwidth_kbps(link, &link->cur_link_settings));
+	struct fixed31_32 timeslot_bw_effective =
+			dc_fixpt_div_int(link_bw_effective, MAX_MTP_SLOT_COUNT);
+	struct fixed31_32 timing_bw =
+			dc_fixpt_from_int(
+					dc_bandwidth_in_kbps_from_timing(&stream->timing));
+	struct fixed31_32 avg_time_slots_per_mtp =
+			dc_fixpt_div(timing_bw, timeslot_bw_effective);
+
+	return avg_time_slots_per_mtp;
+}
+
+
+static bool write_128b_132b_sst_payload_allocation_table(
+		const struct dc_stream_state *stream,
+		struct dc_link *link,
+		struct link_mst_stream_allocation_table *proposed_table,
+		bool allocate)
+{
+	const uint8_t vc_id = 1; /// VC ID always 1 for SST
+	const uint8_t start_time_slot = 0; /// Always start at time slot 0 for SST
+	bool result = false;
+	uint8_t req_slot_count = 0;
+	struct fixed31_32 avg_time_slots_per_mtp = { 0 };
+	union payload_table_update_status update_status = { 0 };
+	const uint32_t max_retries = 30;
+	uint32_t retries = 0;
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (allocate)	{
+		avg_time_slots_per_mtp = link_calculate_sst_avg_time_slots_per_mtp(stream, link);
+		req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
+		/// Validation should filter out modes that exceed link BW
+		ASSERT(req_slot_count <= MAX_MTP_SLOT_COUNT);
+		if (req_slot_count > MAX_MTP_SLOT_COUNT)
+			return false;
+	} else {
+		/// Leave req_slot_count = 0 if allocate is false.
+	}
+
+	proposed_table->stream_count = 1; /// Always 1 stream for SST
+	proposed_table->stream_allocations[0].slot_count = req_slot_count;
+	proposed_table->stream_allocations[0].vcp_id = vc_id;
+
+	if (link->aux_access_disabled)
+		return true;
+
+	/// Write DPCD 2C0 = 1 to start updating
+	update_status.bits.VC_PAYLOAD_TABLE_UPDATED = 1;
+	core_link_write_dpcd(
+			link,
+			DP_PAYLOAD_TABLE_UPDATE_STATUS,
+			&update_status.raw,
+			1);
+
+	/// Program the changes in DPCD 1C0 - 1C2
+	ASSERT(vc_id == 1);
+	core_link_write_dpcd(
+			link,
+			DP_PAYLOAD_ALLOCATE_SET,
+			&vc_id,
+			1);
+
+	ASSERT(start_time_slot == 0);
+	core_link_write_dpcd(
+			link,
+			DP_PAYLOAD_ALLOCATE_START_TIME_SLOT,
+			&start_time_slot,
+			1);
+
+	core_link_write_dpcd(
+			link,
+			DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT,
+			&req_slot_count,
+			1);
+
+	/// Poll till DPCD 2C0 read 1
+	/// Try for at least 150ms (30 retries, with 5ms delay after each attempt)
+
+	while (retries < max_retries) {
+		if (core_link_read_dpcd(
+				link,
+				DP_PAYLOAD_TABLE_UPDATE_STATUS,
+				&update_status.raw,
+				1) == DC_OK) {
+			if (update_status.bits.VC_PAYLOAD_TABLE_UPDATED == 1) {
+				DC_LOG_DP2("SST Update Payload: downstream payload table updated.");
+				result = true;
+				break;
+			}
+		} else {
+			union dpcd_rev dpcdRev;
+
+			if (core_link_read_dpcd(
+					link,
+					DP_DPCD_REV,
+					&dpcdRev.raw,
+					1) != DC_OK) {
+				DC_LOG_ERROR("SST Update Payload: Unable to read DPCD revision "
+						"of sink while polling payload table "
+						"updated status bit.");
+				break;
+			}
+		}
+		retries++;
+		msleep(5);
+	}
+
+	if (!result && retries == max_retries) {
+		DC_LOG_ERROR("SST Update Payload: Payload table not updated after retries, "
+				"continue on. Something is wrong with the branch.");
+		// TODO - DP2.0 Payload: Read and log the payload table from downstream branch
+	}
+
+	return result;
+}
+
+/*
+ * Payload allocation/deallocation for SST introduced in DP2.0
+ */
+static enum dc_status update_sst_payload(struct pipe_ctx *pipe_ctx,
+						 bool allocate)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct link_mst_stream_allocation_table proposed_table = {0};
+	struct fixed31_32 avg_time_slots_per_mtp;
+	const struct dc_link_settings empty_link_settings = {0};
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	/* slot X.Y for SST payload deallocate */
+	if (!allocate) {
+		avg_time_slots_per_mtp = dc_fixpt_from_int(0);
+
+		dc_log_vcp_x_y(link, avg_time_slots_per_mtp);
+
+		if (link_hwss->ext.set_throttled_vcp_size)
+			link_hwss->ext.set_throttled_vcp_size(pipe_ctx,
+					avg_time_slots_per_mtp);
+		if (link_hwss->ext.set_hblank_min_symbol_width)
+			link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+					&empty_link_settings,
+					avg_time_slots_per_mtp);
+	}
+
+	/* calculate VC payload and update branch with new payload allocation table*/
+	if (!write_128b_132b_sst_payload_allocation_table(
+			stream,
+			link,
+			&proposed_table,
+			allocate)) {
+		DC_LOG_ERROR("SST Update Payload: Failed to update "
+						"allocation table for "
+						"pipe idx: %d\n",
+						pipe_ctx->pipe_idx);
+		return DC_FAIL_DP_PAYLOAD_ALLOCATION;
+	}
+
+	proposed_table.stream_allocations[0].hpo_dp_stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
+
+	ASSERT(proposed_table.stream_count == 1);
+
+	//TODO - DP2.0 Logging: Instead of hpo_dp_stream_enc pointer, log instance id
+	DC_LOG_DP2("SST Update Payload: hpo_dp_stream_enc: %p      "
+		"vcp_id: %d      "
+		"slot_count: %d\n",
+		(void *) proposed_table.stream_allocations[0].hpo_dp_stream_enc,
+		proposed_table.stream_allocations[0].vcp_id,
+		proposed_table.stream_allocations[0].slot_count);
+
+	/* program DP source TX for payload */
+	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
+			&proposed_table);
+
+	/* poll for ACT handled */
+	if (!poll_for_allocation_change_trigger(link)) {
+		// Failures will result in blackscreen and errors logged
+		BREAK_TO_DEBUGGER();
+	}
+
+	/* slot X.Y for SST payload allocate */
+	if (allocate && link_dp_get_encoding_format(&link->cur_link_settings) ==
+			DP_128b_132b_ENCODING) {
+		avg_time_slots_per_mtp = link_calculate_sst_avg_time_slots_per_mtp(stream, link);
+
+		dc_log_vcp_x_y(link, avg_time_slots_per_mtp);
+
+		if (link_hwss->ext.set_throttled_vcp_size)
+			link_hwss->ext.set_throttled_vcp_size(pipe_ctx,
+					avg_time_slots_per_mtp);
+		if (link_hwss->ext.set_hblank_min_symbol_width)
+			link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+					&link->cur_link_settings,
+					avg_time_slots_per_mtp);
+	}
+
+	/* Always return DC_OK.
+	 * If part of sequence fails, log failure(s) and show blackscreen
+	 */
+	return DC_OK;
+}
+
+enum dc_status link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_in_kbps)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct fixed31_32 avg_time_slots_per_mtp;
+	struct fixed31_32 pbn;
+	struct fixed31_32 pbn_per_slot;
+	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
+	uint8_t i;
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	/* decrease throttled vcp size */
+	pbn_per_slot = get_pbn_per_slot(stream);
+	pbn = get_pbn_from_bw_in_kbps(bw_in_kbps);
+	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
+
+	if (link_hwss->ext.set_throttled_vcp_size)
+		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
+	if (link_hwss->ext.set_hblank_min_symbol_width)
+		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+				&link->cur_link_settings,
+				avg_time_slots_per_mtp);
+
+	/* send ALLOCATE_PAYLOAD sideband message with updated pbn */
+	dm_helpers_dp_mst_send_payload_allocation(
+			stream->ctx,
+			stream,
+			true);
+
+	/* notify immediate branch device table update */
+	if (dm_helpers_dp_mst_write_payload_allocation_table(
+			stream->ctx,
+			stream,
+			&proposed_table,
+			true)) {
+		/* update mst stream allocation table software state */
+		update_mst_stream_alloc_table(
+				link,
+				pipe_ctx->stream_res.stream_enc,
+				pipe_ctx->stream_res.hpo_dp_stream_enc,
+				&proposed_table);
+	} else {
+		DC_LOG_WARNING("Failed to update"
+				"MST allocation table for"
+				"pipe idx:%d\n",
+				pipe_ctx->pipe_idx);
+	}
+
+	DC_LOG_MST("%s  "
+			"stream_count: %d: \n ",
+			__func__,
+			link->mst_stream_alloc_table.stream_count);
+
+	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
+		DC_LOG_MST("stream_enc[%d]: %p      "
+		"stream[%d].hpo_dp_stream_enc: %p      "
+		"stream[%d].vcp_id: %d      "
+		"stream[%d].slot_count: %d\n",
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
+	}
+
+	ASSERT(proposed_table.stream_count > 0);
+
+	/* update mst stream allocation table hardware state */
+	if (link_hwss->ext.update_stream_allocation_table == NULL ||
+			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
+		DC_LOG_ERROR("Failure: unknown encoding format\n");
+		return DC_ERROR_UNEXPECTED;
+	}
+
+	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
+			&link->mst_stream_alloc_table);
+
+	/* poll for immediate branch device ACT handled */
+	dm_helpers_dp_mst_poll_for_allocation_change_trigger(
+			stream->ctx,
+			stream);
+
+	return DC_OK;
+}
+
+enum dc_status link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_in_kbps)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct fixed31_32 avg_time_slots_per_mtp;
+	struct fixed31_32 pbn;
+	struct fixed31_32 pbn_per_slot;
+	struct dc_dp_mst_stream_allocation_table proposed_table = {0};
+	uint8_t i;
+	enum act_return_status ret;
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	/* notify immediate branch device table update */
+	if (dm_helpers_dp_mst_write_payload_allocation_table(
+				stream->ctx,
+				stream,
+				&proposed_table,
+				true)) {
+		/* update mst stream allocation table software state */
+		update_mst_stream_alloc_table(
+				link,
+				pipe_ctx->stream_res.stream_enc,
+				pipe_ctx->stream_res.hpo_dp_stream_enc,
+				&proposed_table);
+	}
+
+	DC_LOG_MST("%s  "
+			"stream_count: %d: \n ",
+			__func__,
+			link->mst_stream_alloc_table.stream_count);
+
+	for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
+		DC_LOG_MST("stream_enc[%d]: %p      "
+		"stream[%d].hpo_dp_stream_enc: %p      "
+		"stream[%d].vcp_id: %d      "
+		"stream[%d].slot_count: %d\n",
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
+		i,
+		(void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
+		i,
+		link->mst_stream_alloc_table.stream_allocations[i].slot_count);
+	}
+
+	ASSERT(proposed_table.stream_count > 0);
+
+	/* update mst stream allocation table hardware state */
+	if (link_hwss->ext.update_stream_allocation_table == NULL ||
+			link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
+		DC_LOG_ERROR("Failure: unknown encoding format\n");
+		return DC_ERROR_UNEXPECTED;
+	}
+
+	link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
+			&link->mst_stream_alloc_table);
+
+	/* poll for immediate branch device ACT handled */
+	ret = dm_helpers_dp_mst_poll_for_allocation_change_trigger(
+			stream->ctx,
+			stream);
+
+	if (ret != ACT_LINK_LOST) {
+		/* send ALLOCATE_PAYLOAD sideband message with updated pbn */
+		dm_helpers_dp_mst_send_payload_allocation(
+				stream->ctx,
+				stream,
+				true);
+	}
+
+	/* increase throttled vcp size */
+	pbn = get_pbn_from_bw_in_kbps(bw_in_kbps);
+	pbn_per_slot = get_pbn_per_slot(stream);
+	avg_time_slots_per_mtp = dc_fixpt_div(pbn, pbn_per_slot);
+
+	if (link_hwss->ext.set_throttled_vcp_size)
+		link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
+	if (link_hwss->ext.set_hblank_min_symbol_width)
+		link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
+				&link->cur_link_settings,
+				avg_time_slots_per_mtp);
+
+	return DC_OK;
+}
+
+static void disable_link_dp(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal)
+{
+	struct dc_link_settings link_settings = link->cur_link_settings;
+
+	if (signal == SIGNAL_TYPE_DISPLAY_PORT_MST &&
+			link->mst_stream_alloc_table.stream_count > 0)
+		/* disable MST link only when last vc payload is deallocated */
+		return;
+
+	dp_disable_link_phy(link, link_res, signal);
+
+	if (signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+		/* set the sink to SST mode after disabling the link */
+		enable_mst_on_sink(link, false);
+
+	if (link_dp_get_encoding_format(&link_settings) ==
+			DP_8b_10b_ENCODING) {
+		dp_set_fec_enable(link, false);
+		dp_set_fec_ready(link, link_res, false);
+	}
+}
+
+static void disable_link(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal)
+{
+	if (dc_is_dp_signal(signal)) {
+		disable_link_dp(link, link_res, signal);
+	} else if (signal != SIGNAL_TYPE_VIRTUAL) {
+		link->dc->hwss.disable_link_output(link, link_res, signal);
+	}
+
+	if (signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+		/* MST disable link only when no stream use the link */
+		if (link->mst_stream_alloc_table.stream_count <= 0)
+			link->link_status.link_active = false;
+	} else {
+		link->link_status.link_active = false;
+	}
+}
+
+static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	enum dc_color_depth display_color_depth;
+	enum engine_id eng_id;
+	struct ext_hdmi_settings settings = {0};
+	bool is_over_340mhz = false;
+	bool is_vga_mode = (stream->timing.h_addressable == 640)
+			&& (stream->timing.v_addressable == 480);
+	struct dc *dc = pipe_ctx->stream->ctx->dc;
+
+	if (stream->phy_pix_clk == 0)
+		stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10;
+	if (stream->phy_pix_clk > 340000)
+		is_over_340mhz = true;
+
+	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
+		unsigned short masked_chip_caps = pipe_ctx->stream->link->chip_caps &
+				EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
+		if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
+			/* DP159, Retimer settings */
+			eng_id = pipe_ctx->stream_res.stream_enc->id;
+
+			if (get_ext_hdmi_settings(pipe_ctx, eng_id, &settings)) {
+				write_i2c_retimer_setting(pipe_ctx,
+						is_vga_mode, is_over_340mhz, &settings);
+			} else {
+				write_i2c_default_retimer_setting(pipe_ctx,
+						is_vga_mode, is_over_340mhz);
+			}
+		} else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
+			/* PI3EQX1204, Redriver settings */
+			write_i2c_redriver_setting(pipe_ctx, is_over_340mhz);
+		}
+	}
+
+	if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
+		write_scdc_data(
+			stream->link->ddc,
+			stream->phy_pix_clk,
+			stream->timing.flags.LTE_340MCSC_SCRAMBLE);
+
+	memset(&stream->link->cur_link_settings, 0,
+			sizeof(struct dc_link_settings));
+
+	display_color_depth = stream->timing.display_color_depth;
+	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
+		display_color_depth = COLOR_DEPTH_888;
+
+	dc->hwss.enable_tmds_link_output(
+			link,
+			&pipe_ctx->link_res,
+			pipe_ctx->stream->signal,
+			pipe_ctx->clock_source->id,
+			display_color_depth,
+			stream->phy_pix_clk);
+
+	if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
+		read_scdc_data(link->ddc);
+}
+
+static enum dc_status enable_link_dp(struct dc_state *state,
+				     struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	enum dc_status status;
+	bool skip_video_pattern;
+	struct dc_link *link = stream->link;
+	const struct dc_link_settings *link_settings =
+			&pipe_ctx->link_config.dp_link_settings;
+	bool fec_enable;
+	int i;
+	bool apply_seamless_boot_optimization = false;
+	uint32_t bl_oled_enable_delay = 50; // in ms
+	uint32_t post_oui_delay = 30; // 30ms
+	/* Reduce link bandwidth between failed link training attempts. */
+	bool do_fallback = false;
+
+	// check for seamless boot
+	for (i = 0; i < state->stream_count; i++) {
+		if (state->streams[i]->apply_seamless_boot_optimization) {
+			apply_seamless_boot_optimization = true;
+			break;
+		}
+	}
+
+	/* Train with fallback when enabling DPIA link. Conventional links are
+	 * trained with fallback during sink detection.
+	 */
+	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+		do_fallback = true;
+
+	/*
+	 * Temporary w/a to get DP2.0 link rates to work with SST.
+	 * TODO DP2.0 - Workaround: Remove w/a if and when the issue is resolved.
+	 */
+	if (link_dp_get_encoding_format(link_settings) == DP_128b_132b_ENCODING &&
+			pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
+			link->dc->debug.set_mst_en_for_sst) {
+		enable_mst_on_sink(link, true);
+	}
+	if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP) {
+		/*in case it is not on*/
+		if (!link->dc->config.edp_no_power_sequencing)
+			link->dc->hwss.edp_power_control(link, true);
+		link->dc->hwss.edp_wait_for_hpd_ready(link, true);
+	}
+
+	if (link_dp_get_encoding_format(link_settings) == DP_128b_132b_ENCODING) {
+		/* TODO - DP2.0 HW: calculate 32 symbol clock for HPO encoder */
+	} else {
+		pipe_ctx->stream_res.pix_clk_params.requested_sym_clk =
+				link_settings->link_rate * LINK_RATE_REF_FREQ_IN_KHZ;
+		if (state->clk_mgr && !apply_seamless_boot_optimization)
+			state->clk_mgr->funcs->update_clocks(state->clk_mgr,
+					state, false);
+	}
+
+	// during mode switch we do DP_SET_POWER off then on, and OUI is lost
+	dpcd_set_source_specific_data(link);
+	if (link->dpcd_sink_ext_caps.raw != 0) {
+		post_oui_delay += link->panel_config.pps.extra_post_OUI_ms;
+		msleep(post_oui_delay);
+	}
+
+	// similarly, mode switch can cause loss of cable ID
+	dpcd_write_cable_id_to_dprx(link);
+
+	skip_video_pattern = true;
+
+	if (link_settings->link_rate == LINK_RATE_LOW)
+		skip_video_pattern = false;
+
+	if (perform_link_training_with_retries(link_settings,
+					       skip_video_pattern,
+					       LINK_TRAINING_ATTEMPTS,
+					       pipe_ctx,
+					       pipe_ctx->stream->signal,
+					       do_fallback)) {
+		status = DC_OK;
+	} else {
+		status = DC_FAIL_DP_LINK_TRAINING;
+	}
+
+	if (link->preferred_training_settings.fec_enable)
+		fec_enable = *link->preferred_training_settings.fec_enable;
+	else
+		fec_enable = true;
+
+	if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
+		dp_set_fec_enable(link, fec_enable);
+
+	// during mode set we do DP_SET_POWER off then on, aux writes are lost
+	if (link->dpcd_sink_ext_caps.bits.oled == 1 ||
+		link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 ||
+		link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) {
+		set_default_brightness_aux(link); // TODO: use cached if known
+		if (link->dpcd_sink_ext_caps.bits.oled == 1)
+			msleep(bl_oled_enable_delay);
+		link_backlight_enable_aux(link, true);
+	}
+
+	return status;
+}
+
+static enum dc_status enable_link_edp(
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx)
+{
+	return enable_link_dp(state, pipe_ctx);
+}
+
+static void enable_link_lvds(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct dc *dc = stream->ctx->dc;
+
+	if (stream->phy_pix_clk == 0)
+		stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10;
+
+	memset(&stream->link->cur_link_settings, 0,
+			sizeof(struct dc_link_settings));
+	dc->hwss.enable_lvds_link_output(
+			link,
+			&pipe_ctx->link_res,
+			pipe_ctx->clock_source->id,
+			stream->phy_pix_clk);
+
+}
+
+static enum dc_status enable_link_dp_mst(
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx)
+{
+	struct dc_link *link = pipe_ctx->stream->link;
+
+	/* sink signal type after MST branch is MST. Multiple MST sinks
+	 * share one link. Link DP PHY is enable or training only once.
+	 */
+	if (link->link_status.link_active)
+		return DC_OK;
+
+	/* clear payload table */
+	dm_helpers_dp_mst_clear_payload_allocation_table(link->ctx, link);
+
+	/* to make sure the pending down rep can be processed
+	 * before enabling the link
+	 */
+	dm_helpers_dp_mst_poll_pending_down_reply(link->ctx, link);
+
+	/* set the sink to MST mode before enabling the link */
+	enable_mst_on_sink(link, true);
+
+	return enable_link_dp(state, pipe_ctx);
+}
+
+static enum dc_status enable_link(
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx)
+{
+	enum dc_status status = DC_ERROR_UNEXPECTED;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+
+	/* There's some scenarios where driver is unloaded with display
+	 * still enabled. When driver is reloaded, it may cause a display
+	 * to not light up if there is a mismatch between old and new
+	 * link settings. Need to call disable first before enabling at
+	 * new link settings.
+	 */
+	if (link->link_status.link_active) {
+		disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
+	}
+
+	switch (pipe_ctx->stream->signal) {
+	case SIGNAL_TYPE_DISPLAY_PORT:
+		status = enable_link_dp(state, pipe_ctx);
+		break;
+	case SIGNAL_TYPE_EDP:
+		status = enable_link_edp(state, pipe_ctx);
+		break;
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+		status = enable_link_dp_mst(state, pipe_ctx);
+		msleep(200);
+		break;
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+		enable_link_hdmi(pipe_ctx);
+		status = DC_OK;
+		break;
+	case SIGNAL_TYPE_LVDS:
+		enable_link_lvds(pipe_ctx);
+		status = DC_OK;
+		break;
+	case SIGNAL_TYPE_VIRTUAL:
+		status = DC_OK;
+		break;
+	default:
+		break;
+	}
+
+	if (status == DC_OK) {
+		pipe_ctx->stream->link->link_status.link_active = true;
+	}
+
+	return status;
+}
+
+void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
+{
+	struct dc  *dc = pipe_ctx->stream->ctx->dc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->sink->link;
+	struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
+
+	ASSERT(is_master_pipe_for_link(link, pipe_ctx));
+
+	if (link_is_dp_128b_132b_signal(pipe_ctx))
+		vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
+
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
+	if (pipe_ctx->stream->sink) {
+		if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
+			pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
+			DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__,
+			pipe_ctx->stream->sink->edid_caps.display_name,
+			pipe_ctx->stream->signal);
+		}
+	}
+
+	if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
+			dc_is_virtual_signal(pipe_ctx->stream->signal))
+		return;
+
+	if (!pipe_ctx->stream->sink->edid_caps.panel_patch.skip_avmute) {
+		if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
+			set_avmute(pipe_ctx, true);
+	}
+
+	dc->hwss.disable_audio_stream(pipe_ctx);
+
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+	update_psp_stream_config(pipe_ctx, true);
+#endif
+	dc->hwss.blank_stream(pipe_ctx);
+
+	if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+		deallocate_mst_payload(pipe_ctx);
+	else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
+			link_is_dp_128b_132b_signal(pipe_ctx))
+		update_sst_payload(pipe_ctx, false);
+
+	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
+		struct ext_hdmi_settings settings = {0};
+		enum engine_id eng_id = pipe_ctx->stream_res.stream_enc->id;
+
+		unsigned short masked_chip_caps = link->chip_caps &
+				EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
+		//Need to inform that sink is going to use legacy HDMI mode.
+		write_scdc_data(
+			link->ddc,
+			165000,//vbios only handles 165Mhz.
+			false);
+		if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
+			/* DP159, Retimer settings */
+			if (get_ext_hdmi_settings(pipe_ctx, eng_id, &settings))
+				write_i2c_retimer_setting(pipe_ctx,
+						false, false, &settings);
+			else
+				write_i2c_default_retimer_setting(pipe_ctx,
+						false, false);
+		} else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
+			/* PI3EQX1204, Redriver settings */
+			write_i2c_redriver_setting(pipe_ctx, false);
+		}
+	}
+
+	if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
+			!link_is_dp_128b_132b_signal(pipe_ctx)) {
+
+		/* In DP1.x SST mode, our encoder will go to TPS1
+		 * when link is on but stream is off.
+		 * Disabling link before stream will avoid exposing TPS1 pattern
+		 * during the disable sequence as it will confuse some receivers
+		 * state machine.
+		 * In DP2 or MST mode, our encoder will stay video active
+		 */
+		disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
+		dc->hwss.disable_stream(pipe_ctx);
+	} else {
+		dc->hwss.disable_stream(pipe_ctx);
+		disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
+	}
+
+	if (pipe_ctx->stream->timing.flags.DSC) {
+		if (dc_is_dp_signal(pipe_ctx->stream->signal))
+			link_set_dsc_enable(pipe_ctx, false);
+	}
+	if (link_is_dp_128b_132b_signal(pipe_ctx)) {
+		if (pipe_ctx->stream_res.tg->funcs->set_out_mux)
+			pipe_ctx->stream_res.tg->funcs->set_out_mux(pipe_ctx->stream_res.tg, OUT_MUX_DIO);
+	}
+
+	if (vpg && vpg->funcs->vpg_powerdown)
+		vpg->funcs->vpg_powerdown(vpg);
+}
+
+void link_set_dpms_on(
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx)
+{
+	struct dc *dc = pipe_ctx->stream->ctx->dc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->sink->link;
+	enum dc_status status;
+	struct link_encoder *link_enc;
+	enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
+	struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
+	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+
+	ASSERT(is_master_pipe_for_link(link, pipe_ctx));
+
+	if (link_is_dp_128b_132b_signal(pipe_ctx))
+		vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
+
+	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
+	if (pipe_ctx->stream->sink) {
+		if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
+			pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
+			DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__,
+			pipe_ctx->stream->sink->edid_caps.display_name,
+			pipe_ctx->stream->signal);
+		}
+	}
+
+	if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
+			dc_is_virtual_signal(pipe_ctx->stream->signal))
+		return;
+
+	link_enc = link_enc_cfg_get_link_enc(link);
+	ASSERT(link_enc);
+
+	if (!dc_is_virtual_signal(pipe_ctx->stream->signal)
+			&& !link_is_dp_128b_132b_signal(pipe_ctx)) {
+		if (link_enc)
+			link_enc->funcs->setup(
+				link_enc,
+				pipe_ctx->stream->signal);
+	}
+
+	pipe_ctx->stream->link->link_state_valid = true;
+
+	if (pipe_ctx->stream_res.tg->funcs->set_out_mux) {
+		if (link_is_dp_128b_132b_signal(pipe_ctx))
+			otg_out_dest = OUT_MUX_HPO_DP;
+		else
+			otg_out_dest = OUT_MUX_DIO;
+		pipe_ctx->stream_res.tg->funcs->set_out_mux(pipe_ctx->stream_res.tg, otg_out_dest);
+	}
+
+	link_hwss->setup_stream_attribute(pipe_ctx);
+
+	if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
+		bool apply_edp_fast_boot_optimization =
+			pipe_ctx->stream->apply_edp_fast_boot_optimization;
+
+		pipe_ctx->stream->apply_edp_fast_boot_optimization = false;
+
+		// Enable VPG before building infoframe
+		if (vpg && vpg->funcs->vpg_poweron)
+			vpg->funcs->vpg_poweron(vpg);
+
+		resource_build_info_frame(pipe_ctx);
+		dc->hwss.update_info_frame(pipe_ctx);
+
+		if (dc_is_dp_signal(pipe_ctx->stream->signal))
+			link_dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
+
+		/* Do not touch link on seamless boot optimization. */
+		if (pipe_ctx->stream->apply_seamless_boot_optimization) {
+			pipe_ctx->stream->dpms_off = false;
+
+			/* Still enable stream features & audio on seamless boot for DP external displays */
+			if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT) {
+				enable_stream_features(pipe_ctx);
+				dc->hwss.enable_audio_stream(pipe_ctx);
+			}
+
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+			update_psp_stream_config(pipe_ctx, false);
+#endif
+			return;
+		}
+
+		/* eDP lit up by bios already, no need to enable again. */
+		if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
+					apply_edp_fast_boot_optimization &&
+					!pipe_ctx->stream->timing.flags.DSC &&
+					!pipe_ctx->next_odm_pipe) {
+			pipe_ctx->stream->dpms_off = false;
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+			update_psp_stream_config(pipe_ctx, false);
+#endif
+			return;
+		}
+
+		if (pipe_ctx->stream->dpms_off)
+			return;
+
+		/* Have to setup DSC before DIG FE and BE are connected (which happens before the
+		 * link training). This is to make sure the bandwidth sent to DIG BE won't be
+		 * bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag
+		 * will be automatically set at a later time when the video is enabled
+		 * (DP_VID_STREAM_EN = 1).
+		 */
+		if (pipe_ctx->stream->timing.flags.DSC) {
+			if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
+				dc_is_virtual_signal(pipe_ctx->stream->signal))
+			link_set_dsc_enable(pipe_ctx, true);
+
+		}
+
+		status = enable_link(state, pipe_ctx);
+
+		if (status != DC_OK) {
+			DC_LOG_WARNING("enabling link %u failed: %d\n",
+			pipe_ctx->stream->link->link_index,
+			status);
+
+			/* Abort stream enable *unless* the failure was due to
+			 * DP link training - some DP monitors will recover and
+			 * show the stream anyway. But MST displays can't proceed
+			 * without link training.
+			 */
+			if (status != DC_FAIL_DP_LINK_TRAINING ||
+					pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+				if (false == stream->link->link_status.link_active)
+					disable_link(stream->link, &pipe_ctx->link_res,
+							pipe_ctx->stream->signal);
+				BREAK_TO_DEBUGGER();
+				return;
+			}
+		}
+
+		/* turn off otg test pattern if enable */
+		if (pipe_ctx->stream_res.tg->funcs->set_test_pattern)
+			pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg,
+					CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
+					COLOR_DEPTH_UNDEFINED);
+
+		/* This second call is needed to reconfigure the DIG
+		 * as a workaround for the incorrect value being applied
+		 * from transmitter control.
+		 */
+		if (!(dc_is_virtual_signal(pipe_ctx->stream->signal) ||
+				link_is_dp_128b_132b_signal(pipe_ctx)))
+			if (link_enc)
+				link_enc->funcs->setup(
+					link_enc,
+					pipe_ctx->stream->signal);
+
+		dc->hwss.enable_stream(pipe_ctx);
+
+		/* Set DPS PPS SDP (AKA "info frames") */
+		if (pipe_ctx->stream->timing.flags.DSC) {
+			if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
+					dc_is_virtual_signal(pipe_ctx->stream->signal)) {
+				dp_set_dsc_on_rx(pipe_ctx, true);
+				link_set_dsc_pps_packet(pipe_ctx, true, true);
+			}
+		}
+
+		if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+			allocate_mst_payload(pipe_ctx);
+		else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
+				link_is_dp_128b_132b_signal(pipe_ctx))
+			update_sst_payload(pipe_ctx, true);
+
+		dc->hwss.unblank_stream(pipe_ctx,
+			&pipe_ctx->stream->link->cur_link_settings);
+
+		if (stream->sink_patches.delay_ignore_msa > 0)
+			msleep(stream->sink_patches.delay_ignore_msa);
+
+		if (dc_is_dp_signal(pipe_ctx->stream->signal))
+			enable_stream_features(pipe_ctx);
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+		update_psp_stream_config(pipe_ctx, false);
+#endif
+
+		dc->hwss.enable_audio_stream(pipe_ctx);
+
+	} else { // if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+		if (link_is_dp_128b_132b_signal(pipe_ctx))
+			dp_fpga_hpo_enable_link_and_stream(state, pipe_ctx);
+		if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
+				dc_is_virtual_signal(pipe_ctx->stream->signal))
+			link_set_dsc_enable(pipe_ctx, true);
+	}
+
+	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
+		set_avmute(pipe_ctx, false);
+	}
+}
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.h b/drivers/gpu/drm/amd/display/dc/link/link_dpms.h
new file mode 100644
index 000000000000..33d312dabdb8
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_LINK_DPMS_H__
+#define __DC_LINK_DPMS_H__
+
+#include "link.h"
+bool link_set_dsc_pps_packet(struct pipe_ctx *pipe_ctx,
+		bool enable, bool immediate_update);
+struct fixed31_32 link_calculate_sst_avg_time_slots_per_mtp(
+		const struct dc_stream_state *stream,
+		const struct dc_link *link);
+void link_set_all_streams_dpms_off_for_link(struct dc_link *link);
+void link_get_master_pipes_with_dpms_on(const struct dc_link *link,
+		struct dc_state *state,
+		uint8_t *count,
+		struct pipe_ctx *pipes[MAX_PIPES]);
+#endif /* __DC_LINK_DPMS_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
new file mode 100644
index 000000000000..aeb26a4d539e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
@@ -0,0 +1,577 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+/* FILE POLICY AND INTENDED USAGE:
+ * This file owns the creation/destruction of link structure.
+ */
+#include "link_factory.h"
+#include "protocols/link_ddc.h"
+#include "protocols/link_edp_panel_control.h"
+#include "protocols/link_hpd.h"
+#include "gpio_service_interface.h"
+#include "atomfirmware.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define LINK_INFO(...) \
+	DC_LOG_HW_HOTPLUG(  \
+		__VA_ARGS__)
+
+static enum transmitter translate_encoder_to_transmitter(struct graphics_object_id encoder)
+{
+	switch (encoder.id) {
+	case ENCODER_ID_INTERNAL_UNIPHY:
+		switch (encoder.enum_id) {
+		case ENUM_ID_1:
+			return TRANSMITTER_UNIPHY_A;
+		case ENUM_ID_2:
+			return TRANSMITTER_UNIPHY_B;
+		default:
+			return TRANSMITTER_UNKNOWN;
+		}
+	break;
+	case ENCODER_ID_INTERNAL_UNIPHY1:
+		switch (encoder.enum_id) {
+		case ENUM_ID_1:
+			return TRANSMITTER_UNIPHY_C;
+		case ENUM_ID_2:
+			return TRANSMITTER_UNIPHY_D;
+		default:
+			return TRANSMITTER_UNKNOWN;
+		}
+	break;
+	case ENCODER_ID_INTERNAL_UNIPHY2:
+		switch (encoder.enum_id) {
+		case ENUM_ID_1:
+			return TRANSMITTER_UNIPHY_E;
+		case ENUM_ID_2:
+			return TRANSMITTER_UNIPHY_F;
+		default:
+			return TRANSMITTER_UNKNOWN;
+		}
+	break;
+	case ENCODER_ID_INTERNAL_UNIPHY3:
+		switch (encoder.enum_id) {
+		case ENUM_ID_1:
+			return TRANSMITTER_UNIPHY_G;
+		default:
+			return TRANSMITTER_UNKNOWN;
+		}
+	break;
+	case ENCODER_ID_EXTERNAL_NUTMEG:
+		switch (encoder.enum_id) {
+		case ENUM_ID_1:
+			return TRANSMITTER_NUTMEG_CRT;
+		default:
+			return TRANSMITTER_UNKNOWN;
+		}
+	break;
+	case ENCODER_ID_EXTERNAL_TRAVIS:
+		switch (encoder.enum_id) {
+		case ENUM_ID_1:
+			return TRANSMITTER_TRAVIS_CRT;
+		case ENUM_ID_2:
+			return TRANSMITTER_TRAVIS_LCD;
+		default:
+			return TRANSMITTER_UNKNOWN;
+		}
+	break;
+	default:
+		return TRANSMITTER_UNKNOWN;
+	}
+}
+
+static void link_destruct(struct dc_link *link)
+{
+	int i;
+
+	if (link->hpd_gpio) {
+		dal_gpio_destroy_irq(&link->hpd_gpio);
+		link->hpd_gpio = NULL;
+	}
+
+	if (link->ddc)
+		link_destroy_ddc_service(&link->ddc);
+
+	if (link->panel_cntl)
+		link->panel_cntl->funcs->destroy(&link->panel_cntl);
+
+	if (link->link_enc) {
+		/* Update link encoder resource tracking variables. These are used for
+		 * the dynamic assignment of link encoders to streams. Virtual links
+		 * are not assigned encoder resources on creation.
+		 */
+		if (link->link_id.id != CONNECTOR_ID_VIRTUAL) {
+			link->dc->res_pool->link_encoders[link->eng_id - ENGINE_ID_DIGA] = NULL;
+			link->dc->res_pool->dig_link_enc_count--;
+		}
+		link->link_enc->funcs->destroy(&link->link_enc);
+	}
+
+	if (link->local_sink)
+		dc_sink_release(link->local_sink);
+
+	for (i = 0; i < link->sink_count; ++i)
+		dc_sink_release(link->remote_sinks[i]);
+}
+
+static enum channel_id get_ddc_line(struct dc_link *link)
+{
+	struct ddc *ddc;
+	enum channel_id channel;
+
+	channel = CHANNEL_ID_UNKNOWN;
+
+	ddc = get_ddc_pin(link->ddc);
+
+	if (ddc) {
+		switch (dal_ddc_get_line(ddc)) {
+		case GPIO_DDC_LINE_DDC1:
+			channel = CHANNEL_ID_DDC1;
+			break;
+		case GPIO_DDC_LINE_DDC2:
+			channel = CHANNEL_ID_DDC2;
+			break;
+		case GPIO_DDC_LINE_DDC3:
+			channel = CHANNEL_ID_DDC3;
+			break;
+		case GPIO_DDC_LINE_DDC4:
+			channel = CHANNEL_ID_DDC4;
+			break;
+		case GPIO_DDC_LINE_DDC5:
+			channel = CHANNEL_ID_DDC5;
+			break;
+		case GPIO_DDC_LINE_DDC6:
+			channel = CHANNEL_ID_DDC6;
+			break;
+		case GPIO_DDC_LINE_DDC_VGA:
+			channel = CHANNEL_ID_DDC_VGA;
+			break;
+		case GPIO_DDC_LINE_I2C_PAD:
+			channel = CHANNEL_ID_I2C_PAD;
+			break;
+		default:
+			BREAK_TO_DEBUGGER();
+			break;
+		}
+	}
+
+	return channel;
+}
+
+static bool dc_link_construct_phy(struct dc_link *link,
+			      const struct link_init_data *init_params)
+{
+	uint8_t i;
+	struct ddc_service_init_data ddc_service_init_data = { 0 };
+	struct dc_context *dc_ctx = init_params->ctx;
+	struct encoder_init_data enc_init_data = { 0 };
+	struct panel_cntl_init_data panel_cntl_init_data = { 0 };
+	struct integrated_info info = { 0 };
+	struct dc_bios *bios = init_params->dc->ctx->dc_bios;
+	const struct dc_vbios_funcs *bp_funcs = bios->funcs;
+	struct bp_disp_connector_caps_info disp_connect_caps_info = { 0 };
+
+	DC_LOGGER_INIT(dc_ctx->logger);
+
+	link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
+	link->irq_source_hpd_rx = DC_IRQ_SOURCE_INVALID;
+	link->link_status.dpcd_caps = &link->dpcd_caps;
+
+	link->dc = init_params->dc;
+	link->ctx = dc_ctx;
+	link->link_index = init_params->link_index;
+
+	memset(&link->preferred_training_settings, 0,
+	       sizeof(struct dc_link_training_overrides));
+	memset(&link->preferred_link_setting, 0,
+	       sizeof(struct dc_link_settings));
+
+	link->link_id =
+		bios->funcs->get_connector_id(bios, init_params->connector_index);
+
+	link->ep_type = DISPLAY_ENDPOINT_PHY;
+
+	DC_LOG_DC("BIOS object table - link_id: %d", link->link_id.id);
+
+	if (bios->funcs->get_disp_connector_caps_info) {
+		bios->funcs->get_disp_connector_caps_info(bios, link->link_id, &disp_connect_caps_info);
+		link->is_internal_display = disp_connect_caps_info.INTERNAL_DISPLAY;
+		DC_LOG_DC("BIOS object table - is_internal_display: %d", link->is_internal_display);
+	}
+
+	if (link->link_id.type != OBJECT_TYPE_CONNECTOR) {
+		dm_output_to_console("%s: Invalid Connector ObjectID from Adapter Service for connector index:%d! type %d expected %d\n",
+				     __func__, init_params->connector_index,
+				     link->link_id.type, OBJECT_TYPE_CONNECTOR);
+		goto create_fail;
+	}
+
+	if (link->dc->res_pool->funcs->link_init)
+		link->dc->res_pool->funcs->link_init(link);
+
+	link->hpd_gpio = link_get_hpd_gpio(link->ctx->dc_bios, link->link_id,
+				      link->ctx->gpio_service);
+
+	if (link->hpd_gpio) {
+		dal_gpio_open(link->hpd_gpio, GPIO_MODE_INTERRUPT);
+		dal_gpio_unlock_pin(link->hpd_gpio);
+		link->irq_source_hpd = dal_irq_get_source(link->hpd_gpio);
+
+		DC_LOG_DC("BIOS object table - hpd_gpio id: %d", link->hpd_gpio->id);
+		DC_LOG_DC("BIOS object table - hpd_gpio en: %d", link->hpd_gpio->en);
+	}
+
+	switch (link->link_id.id) {
+	case CONNECTOR_ID_HDMI_TYPE_A:
+		link->connector_signal = SIGNAL_TYPE_HDMI_TYPE_A;
+
+		break;
+	case CONNECTOR_ID_SINGLE_LINK_DVID:
+	case CONNECTOR_ID_SINGLE_LINK_DVII:
+		link->connector_signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+		break;
+	case CONNECTOR_ID_DUAL_LINK_DVID:
+	case CONNECTOR_ID_DUAL_LINK_DVII:
+		link->connector_signal = SIGNAL_TYPE_DVI_DUAL_LINK;
+		break;
+	case CONNECTOR_ID_DISPLAY_PORT:
+	case CONNECTOR_ID_USBC:
+		link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT;
+
+		if (link->hpd_gpio)
+			link->irq_source_hpd_rx =
+					dal_irq_get_rx_source(link->hpd_gpio);
+
+		break;
+	case CONNECTOR_ID_EDP:
+		link->connector_signal = SIGNAL_TYPE_EDP;
+
+		if (link->hpd_gpio) {
+			if (!link->dc->config.allow_edp_hotplug_detection)
+				link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
+
+			switch (link->dc->config.allow_edp_hotplug_detection) {
+			case 1: // only the 1st eDP handles hotplug
+				if (link->link_index == 0)
+					link->irq_source_hpd_rx =
+						dal_irq_get_rx_source(link->hpd_gpio);
+				else
+					link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
+				break;
+			case 2: // only the 2nd eDP handles hotplug
+				if (link->link_index == 1)
+					link->irq_source_hpd_rx =
+						dal_irq_get_rx_source(link->hpd_gpio);
+				else
+					link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
+				break;
+			default:
+				break;
+			}
+		}
+
+		break;
+	case CONNECTOR_ID_LVDS:
+		link->connector_signal = SIGNAL_TYPE_LVDS;
+		break;
+	default:
+		DC_LOG_WARNING("Unsupported Connector type:%d!\n",
+			       link->link_id.id);
+		goto create_fail;
+	}
+
+	/* TODO: #DAL3 Implement id to str function.*/
+	LINK_INFO("Connector[%d] description:"
+		  "signal %d\n",
+		  init_params->connector_index,
+		  link->connector_signal);
+
+	ddc_service_init_data.ctx = link->ctx;
+	ddc_service_init_data.id = link->link_id;
+	ddc_service_init_data.link = link;
+	link->ddc = link_create_ddc_service(&ddc_service_init_data);
+
+	if (!link->ddc) {
+		DC_ERROR("Failed to create ddc_service!\n");
+		goto ddc_create_fail;
+	}
+
+	if (!link->ddc->ddc_pin) {
+		DC_ERROR("Failed to get I2C info for connector!\n");
+		goto ddc_create_fail;
+	}
+
+	link->ddc_hw_inst =
+		dal_ddc_get_line(get_ddc_pin(link->ddc));
+
+
+	if (link->dc->res_pool->funcs->panel_cntl_create &&
+		(link->link_id.id == CONNECTOR_ID_EDP ||
+			link->link_id.id == CONNECTOR_ID_LVDS)) {
+		panel_cntl_init_data.ctx = dc_ctx;
+		panel_cntl_init_data.inst =
+			panel_cntl_init_data.ctx->dc_edp_id_count;
+		link->panel_cntl =
+			link->dc->res_pool->funcs->panel_cntl_create(
+								&panel_cntl_init_data);
+		panel_cntl_init_data.ctx->dc_edp_id_count++;
+
+		if (link->panel_cntl == NULL) {
+			DC_ERROR("Failed to create link panel_cntl!\n");
+			goto panel_cntl_create_fail;
+		}
+	}
+
+	enc_init_data.ctx = dc_ctx;
+	bp_funcs->get_src_obj(dc_ctx->dc_bios, link->link_id, 0,
+			      &enc_init_data.encoder);
+	enc_init_data.connector = link->link_id;
+	enc_init_data.channel = get_ddc_line(link);
+	enc_init_data.hpd_source = get_hpd_line(link);
+
+	link->hpd_src = enc_init_data.hpd_source;
+
+	enc_init_data.transmitter =
+		translate_encoder_to_transmitter(enc_init_data.encoder);
+	link->link_enc =
+		link->dc->res_pool->funcs->link_enc_create(dc_ctx, &enc_init_data);
+
+	DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C);
+	DC_LOG_DC("BIOS object table - IS_DP2_CAPABLE: %d", link->link_enc->features.flags.bits.IS_DP2_CAPABLE);
+
+	if (!link->link_enc) {
+		DC_ERROR("Failed to create link encoder!\n");
+		goto link_enc_create_fail;
+	}
+
+	/* Update link encoder tracking variables. These are used for the dynamic
+	 * assignment of link encoders to streams.
+	 */
+	link->eng_id = link->link_enc->preferred_engine;
+	link->dc->res_pool->link_encoders[link->eng_id - ENGINE_ID_DIGA] = link->link_enc;
+	link->dc->res_pool->dig_link_enc_count++;
+
+	link->link_enc_hw_inst = link->link_enc->transmitter;
+	for (i = 0; i < 4; i++) {
+		if (bp_funcs->get_device_tag(dc_ctx->dc_bios,
+					     link->link_id, i,
+					     &link->device_tag) != BP_RESULT_OK) {
+			DC_ERROR("Failed to find device tag!\n");
+			goto device_tag_fail;
+		}
+
+		/* Look for device tag that matches connector signal,
+		 * CRT for rgb, LCD for other supported signal tyes
+		 */
+		if (!bp_funcs->is_device_id_supported(dc_ctx->dc_bios,
+						      link->device_tag.dev_id))
+			continue;
+		if (link->device_tag.dev_id.device_type == DEVICE_TYPE_CRT &&
+		    link->connector_signal != SIGNAL_TYPE_RGB)
+			continue;
+		if (link->device_tag.dev_id.device_type == DEVICE_TYPE_LCD &&
+		    link->connector_signal == SIGNAL_TYPE_RGB)
+			continue;
+
+		DC_LOG_DC("BIOS object table - device_tag.acpi_device: %d", link->device_tag.acpi_device);
+		DC_LOG_DC("BIOS object table - device_tag.dev_id.device_type: %d", link->device_tag.dev_id.device_type);
+		DC_LOG_DC("BIOS object table - device_tag.dev_id.enum_id: %d", link->device_tag.dev_id.enum_id);
+		break;
+	}
+
+	if (bios->integrated_info)
+		info = *bios->integrated_info;
+
+	/* Look for channel mapping corresponding to connector and device tag */
+	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
+		struct external_display_path *path =
+			&info.ext_disp_conn_info.path[i];
+
+		if (path->device_connector_id.enum_id == link->link_id.enum_id &&
+		    path->device_connector_id.id == link->link_id.id &&
+		    path->device_connector_id.type == link->link_id.type) {
+			if (link->device_tag.acpi_device != 0 &&
+			    path->device_acpi_enum == link->device_tag.acpi_device) {
+				link->ddi_channel_mapping = path->channel_mapping;
+				link->chip_caps = path->caps;
+				DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw);
+				DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps);
+			} else if (path->device_tag ==
+				   link->device_tag.dev_id.raw_device_tag) {
+				link->ddi_channel_mapping = path->channel_mapping;
+				link->chip_caps = path->caps;
+				DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw);
+				DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps);
+			}
+
+			if (link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) {
+				link->bios_forced_drive_settings.VOLTAGE_SWING =
+						(info.ext_disp_conn_info.fixdpvoltageswing & 0x3);
+				link->bios_forced_drive_settings.PRE_EMPHASIS =
+						((info.ext_disp_conn_info.fixdpvoltageswing >> 2) & 0x3);
+			}
+
+			break;
+		}
+	}
+
+	if (bios->funcs->get_atom_dc_golden_table)
+		bios->funcs->get_atom_dc_golden_table(bios);
+
+	/*
+	 * TODO check if GPIO programmed correctly
+	 *
+	 * If GPIO isn't programmed correctly HPD might not rise or drain
+	 * fast enough, leading to bounces.
+	 */
+	program_hpd_filter(link);
+
+	link->psr_settings.psr_vtotal_control_support = false;
+	link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+
+	DC_LOG_DC("BIOS object table - %s finished successfully.\n", __func__);
+	return true;
+device_tag_fail:
+	link->link_enc->funcs->destroy(&link->link_enc);
+link_enc_create_fail:
+	if (link->panel_cntl != NULL)
+		link->panel_cntl->funcs->destroy(&link->panel_cntl);
+panel_cntl_create_fail:
+	link_destroy_ddc_service(&link->ddc);
+ddc_create_fail:
+create_fail:
+
+	if (link->hpd_gpio) {
+		dal_gpio_destroy_irq(&link->hpd_gpio);
+		link->hpd_gpio = NULL;
+	}
+
+	DC_LOG_DC("BIOS object table - %s failed.\n", __func__);
+	return false;
+}
+
+static bool dc_link_construct_dpia(struct dc_link *link,
+			      const struct link_init_data *init_params)
+{
+	struct ddc_service_init_data ddc_service_init_data = { 0 };
+	struct dc_context *dc_ctx = init_params->ctx;
+
+	DC_LOGGER_INIT(dc_ctx->logger);
+
+	/* Initialized irq source for hpd and hpd rx */
+	link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
+	link->irq_source_hpd_rx = DC_IRQ_SOURCE_INVALID;
+	link->link_status.dpcd_caps = &link->dpcd_caps;
+
+	link->dc = init_params->dc;
+	link->ctx = dc_ctx;
+	link->link_index = init_params->link_index;
+
+	memset(&link->preferred_training_settings, 0,
+	       sizeof(struct dc_link_training_overrides));
+	memset(&link->preferred_link_setting, 0,
+	       sizeof(struct dc_link_settings));
+
+	/* Dummy Init for linkid */
+	link->link_id.type = OBJECT_TYPE_CONNECTOR;
+	link->link_id.id = CONNECTOR_ID_DISPLAY_PORT;
+	link->link_id.enum_id = ENUM_ID_1 + init_params->connector_index;
+	link->is_internal_display = false;
+	link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT;
+	LINK_INFO("Connector[%d] description:signal %d\n",
+		  init_params->connector_index,
+		  link->connector_signal);
+
+	link->ep_type = DISPLAY_ENDPOINT_USB4_DPIA;
+	link->is_dig_mapping_flexible = true;
+
+	/* TODO: Initialize link : funcs->link_init */
+
+	ddc_service_init_data.ctx = link->ctx;
+	ddc_service_init_data.id = link->link_id;
+	ddc_service_init_data.link = link;
+	/* Set indicator for dpia link so that ddc wont be created */
+	ddc_service_init_data.is_dpia_link = true;
+
+	link->ddc = link_create_ddc_service(&ddc_service_init_data);
+	if (!link->ddc) {
+		DC_ERROR("Failed to create ddc_service!\n");
+		goto ddc_create_fail;
+	}
+
+	/* Set dpia port index : 0 to number of dpia ports */
+	link->ddc_hw_inst = init_params->connector_index;
+
+	/* TODO: Create link encoder */
+
+	link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+
+	/* Some docks seem to NAK I2C writes to segment pointer with mot=0. */
+	link->wa_flags.dp_mot_reset_segment = true;
+
+	return true;
+
+ddc_create_fail:
+	return false;
+}
+
+static bool link_construct(struct dc_link *link,
+			      const struct link_init_data *init_params)
+{
+	/* Handle dpia case */
+	if (init_params->is_dpia_link == true)
+		return dc_link_construct_dpia(link, init_params);
+	else
+		return dc_link_construct_phy(link, init_params);
+}
+
+struct dc_link *link_create(const struct link_init_data *init_params)
+{
+	struct dc_link *link =
+			kzalloc(sizeof(*link), GFP_KERNEL);
+
+	if (NULL == link)
+		goto alloc_fail;
+
+	if (false == link_construct(link, init_params))
+		goto construct_fail;
+
+	return link;
+
+construct_fail:
+	kfree(link);
+
+alloc_fail:
+	return NULL;
+}
+
+void link_destroy(struct dc_link **link)
+{
+	link_destruct(*link);
+	kfree(*link);
+	*link = NULL;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.h b/drivers/gpu/drm/amd/display/dc/link/link_factory.h
new file mode 100644
index 000000000000..5b846147c4a6
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __LINK_FACTORY_H__
+#define __LINK_FACTORY_H__
+#include "link.h"
+
+#endif /* __LINK_FACTORY_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_resource.c b/drivers/gpu/drm/amd/display/dc/link/link_resource.c
new file mode 100644
index 000000000000..bd42bb273c0c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_resource.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+/* FILE POLICY AND INTENDED USAGE:
+ * This file implements accessors to link resource.
+ */
+
+#include "link_resource.h"
+#include "protocols/link_dp_capability.h"
+
+void link_get_cur_link_res(const struct dc_link *link,
+		struct link_resource *link_res)
+{
+	int i;
+	struct pipe_ctx *pipe = NULL;
+
+	memset(link_res, 0, sizeof(*link_res));
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		pipe = &link->dc->current_state->res_ctx.pipe_ctx[i];
+		if (pipe->stream && pipe->stream->link && pipe->top_pipe == NULL) {
+			if (pipe->stream->link == link) {
+				*link_res = pipe->link_res;
+				break;
+			}
+		}
+	}
+
+}
+
+void link_get_cur_res_map(const struct dc *dc, uint32_t *map)
+{
+	struct dc_link *link;
+	uint32_t i;
+	uint32_t hpo_dp_recycle_map = 0;
+
+	*map = 0;
+
+	if (dc->caps.dp_hpo) {
+		for (i = 0; i < dc->caps.max_links; i++) {
+			link = dc->links[i];
+			if (link->link_status.link_active &&
+					link_dp_get_encoding_format(&link->reported_link_cap) == DP_128b_132b_ENCODING &&
+					link_dp_get_encoding_format(&link->cur_link_settings) != DP_128b_132b_ENCODING)
+				/* hpo dp link encoder is considered as recycled, when RX reports 128b/132b encoding capability
+				 * but current link doesn't use it.
+				 */
+				hpo_dp_recycle_map |= (1 << i);
+		}
+		*map |= (hpo_dp_recycle_map << LINK_RES_HPO_DP_REC_MAP__SHIFT);
+	}
+}
+
+void link_restore_res_map(const struct dc *dc, uint32_t *map)
+{
+	struct dc_link *link;
+	uint32_t i;
+	unsigned int available_hpo_dp_count;
+	uint32_t hpo_dp_recycle_map = (*map & LINK_RES_HPO_DP_REC_MAP__MASK)
+			>> LINK_RES_HPO_DP_REC_MAP__SHIFT;
+
+	if (dc->caps.dp_hpo) {
+		available_hpo_dp_count = dc->res_pool->hpo_dp_link_enc_count;
+		/* remove excess 128b/132b encoding support for not recycled links */
+		for (i = 0; i < dc->caps.max_links; i++) {
+			if ((hpo_dp_recycle_map & (1 << i)) == 0) {
+				link = dc->links[i];
+				if (link->type != dc_connection_none &&
+						link_dp_get_encoding_format(&link->verified_link_cap) == DP_128b_132b_ENCODING) {
+					if (available_hpo_dp_count > 0)
+						available_hpo_dp_count--;
+					else
+						/* remove 128b/132b encoding capability by limiting verified link rate to HBR3 */
+						link->verified_link_cap.link_rate = LINK_RATE_HIGH3;
+				}
+			}
+		}
+		/* remove excess 128b/132b encoding support for recycled links */
+		for (i = 0; i < dc->caps.max_links; i++) {
+			if ((hpo_dp_recycle_map & (1 << i)) != 0) {
+				link = dc->links[i];
+				if (link->type != dc_connection_none &&
+						link_dp_get_encoding_format(&link->verified_link_cap) == DP_128b_132b_ENCODING) {
+					if (available_hpo_dp_count > 0)
+						available_hpo_dp_count--;
+					else
+						/* remove 128b/132b encoding capability by limiting verified link rate to HBR3 */
+						link->verified_link_cap.link_rate = LINK_RATE_HIGH3;
+				}
+			}
+		}
+	}
+}
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_resource.h b/drivers/gpu/drm/amd/display/dc/link/link_resource.h
new file mode 100644
index 000000000000..45554d30adf0
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_resource.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __LINK_RESOURCE_H__
+#define __LINK_RESOURCE_H__
+#include "link.h"
+void link_get_cur_link_res(const struct dc_link *link,
+		struct link_resource *link_res);
+
+#endif /* __LINK_RESOURCE_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_validation.c b/drivers/gpu/drm/amd/display/dc/link/link_validation.c
new file mode 100644
index 000000000000..d4f6ee6ca948
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.c
@@ -0,0 +1,398 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+/* FILE POLICY AND INTENDED USAGE:
+ * This file owns timing validation against various link limitations. (ex.
+ * link bandwidth, receiver capability or our hardware capability) It also
+ * provides helper functions exposing bandwidth formulas used in validation.
+ */
+#include "link_validation.h"
+#include "resource.h"
+
+#define DC_LOGGER_INIT(logger)
+
+static uint32_t get_tmds_output_pixel_clock_100hz(const struct dc_crtc_timing *timing)
+{
+
+	uint32_t pxl_clk = timing->pix_clk_100hz;
+
+	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+		pxl_clk /= 2;
+	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
+		pxl_clk = pxl_clk * 2 / 3;
+
+	if (timing->display_color_depth == COLOR_DEPTH_101010)
+		pxl_clk = pxl_clk * 10 / 8;
+	else if (timing->display_color_depth == COLOR_DEPTH_121212)
+		pxl_clk = pxl_clk * 12 / 8;
+
+	return pxl_clk;
+}
+
+static bool dp_active_dongle_validate_timing(
+		const struct dc_crtc_timing *timing,
+		const struct dpcd_caps *dpcd_caps)
+{
+	const struct dc_dongle_caps *dongle_caps = &dpcd_caps->dongle_caps;
+
+	switch (dpcd_caps->dongle_type) {
+	case DISPLAY_DONGLE_DP_VGA_CONVERTER:
+	case DISPLAY_DONGLE_DP_DVI_CONVERTER:
+	case DISPLAY_DONGLE_DP_DVI_DONGLE:
+		if (timing->pixel_encoding == PIXEL_ENCODING_RGB)
+			return true;
+		else
+			return false;
+	default:
+		break;
+	}
+
+	if (dpcd_caps->dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER &&
+			dongle_caps->extendedCapValid == true) {
+		/* Check Pixel Encoding */
+		switch (timing->pixel_encoding) {
+		case PIXEL_ENCODING_RGB:
+		case PIXEL_ENCODING_YCBCR444:
+			break;
+		case PIXEL_ENCODING_YCBCR422:
+			if (!dongle_caps->is_dp_hdmi_ycbcr422_pass_through)
+				return false;
+			break;
+		case PIXEL_ENCODING_YCBCR420:
+			if (!dongle_caps->is_dp_hdmi_ycbcr420_pass_through)
+				return false;
+			break;
+		default:
+			/* Invalid Pixel Encoding*/
+			return false;
+		}
+
+		switch (timing->display_color_depth) {
+		case COLOR_DEPTH_666:
+		case COLOR_DEPTH_888:
+			/*888 and 666 should always be supported*/
+			break;
+		case COLOR_DEPTH_101010:
+			if (dongle_caps->dp_hdmi_max_bpc < 10)
+				return false;
+			break;
+		case COLOR_DEPTH_121212:
+			if (dongle_caps->dp_hdmi_max_bpc < 12)
+				return false;
+			break;
+		case COLOR_DEPTH_141414:
+		case COLOR_DEPTH_161616:
+		default:
+			/* These color depths are currently not supported */
+			return false;
+		}
+
+		/* Check 3D format */
+		switch (timing->timing_3d_format) {
+		case TIMING_3D_FORMAT_NONE:
+		case TIMING_3D_FORMAT_FRAME_ALTERNATE:
+			/*Only frame alternate 3D is supported on active dongle*/
+			break;
+		default:
+			/*other 3D formats are not supported due to bad infoframe translation */
+			return false;
+		}
+
+		if (dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps > 0) { // DP to HDMI FRL converter
+			struct dc_crtc_timing outputTiming = *timing;
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+			if (timing->flags.DSC && !timing->dsc_cfg.is_frl)
+				/* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */
+				outputTiming.flags.DSC = 0;
+#endif
+			if (dc_bandwidth_in_kbps_from_timing(&outputTiming) > dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps)
+				return false;
+		} else { // DP to HDMI TMDS converter
+			if (get_tmds_output_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10))
+				return false;
+		}
+	}
+
+	if (dpcd_caps->channel_coding_cap.bits.DP_128b_132b_SUPPORTED == 0 &&
+			dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_PASSTHROUGH_SUPPORT == 0 &&
+			dongle_caps->dfp_cap_ext.supported) {
+
+		if (dongle_caps->dfp_cap_ext.max_pixel_rate_in_mps < (timing->pix_clk_100hz / 10000))
+			return false;
+
+		if (dongle_caps->dfp_cap_ext.max_video_h_active_width < timing->h_addressable)
+			return false;
+
+		if (dongle_caps->dfp_cap_ext.max_video_v_active_height < timing->v_addressable)
+			return false;
+
+		if (timing->pixel_encoding == PIXEL_ENCODING_RGB) {
+			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
+				return false;
+			if (timing->display_color_depth == COLOR_DEPTH_666 &&
+					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_6bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_888 &&
+					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_8bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
+					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_10bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
+					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_12bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
+					!dongle_caps->dfp_cap_ext.rgb_color_depth_caps.support_16bpc)
+				return false;
+		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR444) {
+			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
+				return false;
+			if (timing->display_color_depth == COLOR_DEPTH_888 &&
+					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_8bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
+					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_10bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
+					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_12bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
+					!dongle_caps->dfp_cap_ext.ycbcr444_color_depth_caps.support_16bpc)
+				return false;
+		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
+			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
+				return false;
+			if (timing->display_color_depth == COLOR_DEPTH_888 &&
+					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_8bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
+					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_10bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
+					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_12bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
+					!dongle_caps->dfp_cap_ext.ycbcr422_color_depth_caps.support_16bpc)
+				return false;
+		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) {
+			if (!dongle_caps->dfp_cap_ext.encoding_format_caps.support_rgb)
+				return false;
+			if (timing->display_color_depth == COLOR_DEPTH_888 &&
+					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_8bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
+					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_10bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
+					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_12bpc)
+				return false;
+			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
+					!dongle_caps->dfp_cap_ext.ycbcr420_color_depth_caps.support_16bpc)
+				return false;
+		}
+	}
+
+	return true;
+}
+
+uint32_t dp_link_bandwidth_kbps(
+	const struct dc_link *link,
+	const struct dc_link_settings *link_settings)
+{
+	uint32_t total_data_bw_efficiency_x10000 = 0;
+	uint32_t link_rate_per_lane_kbps = 0;
+
+	switch (link_dp_get_encoding_format(link_settings)) {
+	case DP_8b_10b_ENCODING:
+		/* For 8b/10b encoding:
+		 * link rate is defined in the unit of LINK_RATE_REF_FREQ_IN_KHZ per DP byte per lane.
+		 * data bandwidth efficiency is 80% with additional 3% overhead if FEC is supported.
+		 */
+		link_rate_per_lane_kbps = link_settings->link_rate * LINK_RATE_REF_FREQ_IN_KHZ * BITS_PER_DP_BYTE;
+		total_data_bw_efficiency_x10000 = DATA_EFFICIENCY_8b_10b_x10000;
+		if (dc_link_should_enable_fec(link)) {
+			total_data_bw_efficiency_x10000 /= 100;
+			total_data_bw_efficiency_x10000 *= DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100;
+		}
+		break;
+	case DP_128b_132b_ENCODING:
+		/* For 128b/132b encoding:
+		 * link rate is defined in the unit of 10mbps per lane.
+		 * total data bandwidth efficiency is always 96.71%.
+		 */
+		link_rate_per_lane_kbps = link_settings->link_rate * 10000;
+		total_data_bw_efficiency_x10000 = DATA_EFFICIENCY_128b_132b_x10000;
+		break;
+	default:
+		break;
+	}
+
+	/* overall effective link bandwidth = link rate per lane * lane count * total data bandwidth efficiency */
+	return link_rate_per_lane_kbps * link_settings->lane_count / 10000 * total_data_bw_efficiency_x10000;
+}
+
+uint32_t link_timing_bandwidth_kbps(
+	const struct dc_crtc_timing *timing)
+{
+	uint32_t bits_per_channel = 0;
+	uint32_t kbps;
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+	if (timing->flags.DSC)
+		return dc_dsc_stream_bandwidth_in_kbps(timing,
+				timing->dsc_cfg.bits_per_pixel,
+				timing->dsc_cfg.num_slices_h,
+				timing->dsc_cfg.is_dp);
+#endif /* CONFIG_DRM_AMD_DC_DCN */
+
+	switch (timing->display_color_depth) {
+	case COLOR_DEPTH_666:
+		bits_per_channel = 6;
+		break;
+	case COLOR_DEPTH_888:
+		bits_per_channel = 8;
+		break;
+	case COLOR_DEPTH_101010:
+		bits_per_channel = 10;
+		break;
+	case COLOR_DEPTH_121212:
+		bits_per_channel = 12;
+		break;
+	case COLOR_DEPTH_141414:
+		bits_per_channel = 14;
+		break;
+	case COLOR_DEPTH_161616:
+		bits_per_channel = 16;
+		break;
+	default:
+		ASSERT(bits_per_channel != 0);
+		bits_per_channel = 8;
+		break;
+	}
+
+	kbps = timing->pix_clk_100hz / 10;
+	kbps *= bits_per_channel;
+
+	if (timing->flags.Y_ONLY != 1) {
+		/*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/
+		kbps *= 3;
+		if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+			kbps /= 2;
+		else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
+			kbps = kbps * 2 / 3;
+	}
+
+	return kbps;
+}
+
+static bool dp_validate_mode_timing(
+	struct dc_link *link,
+	const struct dc_crtc_timing *timing)
+{
+	uint32_t req_bw;
+	uint32_t max_bw;
+
+	const struct dc_link_settings *link_setting;
+
+	/* According to spec, VSC SDP should be used if pixel format is YCbCr420 */
+	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&
+			!link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
+			dal_graphics_object_id_get_connector_id(link->link_id) != CONNECTOR_ID_VIRTUAL)
+		return false;
+
+	/*always DP fail safe mode*/
+	if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&
+		timing->h_addressable == (uint32_t) 640 &&
+		timing->v_addressable == (uint32_t) 480)
+		return true;
+
+	link_setting = dc_link_get_link_cap(link);
+
+	/* TODO: DYNAMIC_VALIDATION needs to be implemented */
+	/*if (flags.DYNAMIC_VALIDATION == 1 &&
+		link->verified_link_cap.lane_count != LANE_COUNT_UNKNOWN)
+		link_setting = &link->verified_link_cap;
+	*/
+
+	req_bw = dc_bandwidth_in_kbps_from_timing(timing);
+	max_bw = dc_link_bandwidth_kbps(link, link_setting);
+
+	if (req_bw <= max_bw) {
+		/* remember the biggest mode here, during
+		 * initial link training (to get
+		 * verified_link_cap), LS sends event about
+		 * cannot train at reported cap to upper
+		 * layer and upper layer will re-enumerate modes.
+		 * this is not necessary if the lower
+		 * verified_link_cap is enough to drive
+		 * all the modes */
+
+		/* TODO: DYNAMIC_VALIDATION needs to be implemented */
+		/* if (flags.DYNAMIC_VALIDATION == 1)
+			dpsst->max_req_bw_for_verified_linkcap = dal_max(
+				dpsst->max_req_bw_for_verified_linkcap, req_bw); */
+		return true;
+	} else
+		return false;
+}
+
+enum dc_status link_validate_mode_timing(
+		const struct dc_stream_state *stream,
+		struct dc_link *link,
+		const struct dc_crtc_timing *timing)
+{
+	uint32_t max_pix_clk = stream->link->dongle_max_pix_clk * 10;
+	struct dpcd_caps *dpcd_caps = &link->dpcd_caps;
+
+	/* A hack to avoid failing any modes for EDID override feature on
+	 * topology change such as lower quality cable for DP or different dongle
+	 */
+	if (link->remote_sinks[0] && link->remote_sinks[0]->sink_signal == SIGNAL_TYPE_VIRTUAL)
+		return DC_OK;
+
+	/* Passive Dongle */
+	if (max_pix_clk != 0 && get_tmds_output_pixel_clock_100hz(timing) > max_pix_clk)
+		return DC_EXCEED_DONGLE_CAP;
+
+	/* Active Dongle*/
+	if (!dp_active_dongle_validate_timing(timing, dpcd_caps))
+		return DC_EXCEED_DONGLE_CAP;
+
+	switch (stream->signal) {
+	case SIGNAL_TYPE_EDP:
+	case SIGNAL_TYPE_DISPLAY_PORT:
+		if (!dp_validate_mode_timing(
+				link,
+				timing))
+			return DC_NO_DP_LINK_BANDWIDTH;
+		break;
+
+	default:
+		break;
+	}
+
+	return DC_OK;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_validation.h b/drivers/gpu/drm/amd/display/dc/link/link_validation.h
new file mode 100644
index 000000000000..ab6a44f50032
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __LINK_VALIDATION_H__
+#define __LINK_VALIDATION_H__
+#include "link.h"
+#endif /* __LINK_VALIDATION_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index 138e5684c7fd..4874d1bf1dcb 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -47,6 +47,7 @@
 #include "resource.h"
 #include "link_enc_cfg.h"
 #include "dc_dmub_srv.h"
+#include "gpio_service_interface.h"
 
 #define DC_LOGGER \
 	link->ctx->logger
@@ -276,7 +277,6 @@ static void dp_wa_power_up_0010FA(struct dc_link *link, uint8_t *dpcd_data,
 		int length)
 {
 	int retry = 0;
-	union dp_downstream_port_present ds_port = { 0 };
 
 	if (!link->dpcd_caps.dpcd_rev.raw) {
 		do {
@@ -289,9 +289,6 @@ static void dp_wa_power_up_0010FA(struct dc_link *link, uint8_t *dpcd_data,
 		} while (retry++ < 4 && !link->dpcd_caps.dpcd_rev.raw);
 	}
 
-	ds_port.byte = dpcd_data[DP_DOWNSTREAMPORT_PRESENT -
-				 DP_DPCD_REV];
-
 	if (link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER) {
 		switch (link->dpcd_caps.branch_dev_id) {
 		/* 0010FA active dongles (DP-VGA, DP-DLDVI converters) power down
@@ -1606,7 +1603,7 @@ static bool retrieve_link_cap(struct dc_link *link)
 			dpcd_data[DP_TRAINING_AUX_RD_INTERVAL];
 
 		link->dpcd_caps.ext_receiver_cap_field_present =
-				aux_rd_interval.bits.EXT_RECEIVER_CAP_FIELD_PRESENT == 1 ? true:false;
+				aux_rd_interval.bits.EXT_RECEIVER_CAP_FIELD_PRESENT == 1;
 
 		if (aux_rd_interval.bits.EXT_RECEIVER_CAP_FIELD_PRESENT == 1) {
 			uint8_t ext_cap_data[16];
@@ -2127,7 +2124,7 @@ static bool dp_verify_link_cap(
 		if (status == LINK_TRAINING_SUCCESS) {
 			success = true;
 			udelay(1000);
-			if (dp_read_hpd_rx_irq_data(link, &irq_data) == DC_OK &&
+			if (dc_link_dp_read_hpd_rx_irq_data(link, &irq_data) == DC_OK &&
 					dc_link_check_link_loss_status(
 							link,
 							&irq_data))
@@ -2168,7 +2165,7 @@ bool dp_verify_link_cap_with_retries(
 
 		memset(&link->verified_link_cap, 0,
 				sizeof(struct dc_link_settings));
-		if (!dc_link_detect_sink(link, &type) || type == dc_connection_none) {
+		if (!dc_link_detect_connection_type(link, &type) || type == dc_connection_none) {
 			link->verified_link_cap = fail_safe_link_settings;
 			break;
 		} else if (dp_verify_link_cap(link, known_limit_link_setting,
@@ -2184,3 +2181,66 @@ bool dp_verify_link_cap_with_retries(
 
 	return success;
 }
+
+/**
+ * dc_link_is_dp_sink_present() - Check if there is a native DP
+ * or passive DP-HDMI dongle connected
+ */
+bool dc_link_is_dp_sink_present(struct dc_link *link)
+{
+	enum gpio_result gpio_result;
+	uint32_t clock_pin = 0;
+	uint8_t retry = 0;
+	struct ddc *ddc;
+
+	enum connector_id connector_id =
+		dal_graphics_object_id_get_connector_id(link->link_id);
+
+	bool present =
+		((connector_id == CONNECTOR_ID_DISPLAY_PORT) ||
+		(connector_id == CONNECTOR_ID_EDP) ||
+		(connector_id == CONNECTOR_ID_USBC));
+
+	ddc = get_ddc_pin(link->ddc);
+
+	if (!ddc) {
+		BREAK_TO_DEBUGGER();
+		return present;
+	}
+
+	/* Open GPIO and set it to I2C mode */
+	/* Note: this GpioMode_Input will be converted
+	 * to GpioConfigType_I2cAuxDualMode in GPIO component,
+	 * which indicates we need additional delay
+	 */
+
+	if (dal_ddc_open(ddc, GPIO_MODE_INPUT,
+			 GPIO_DDC_CONFIG_TYPE_MODE_I2C) != GPIO_RESULT_OK) {
+		dal_ddc_close(ddc);
+
+		return present;
+	}
+
+	/*
+	 * Read GPIO: DP sink is present if both clock and data pins are zero
+	 *
+	 * [W/A] plug-unplug DP cable, sometimes customer board has
+	 * one short pulse on clk_pin(1V, < 1ms). DP will be config to HDMI/DVI
+	 * then monitor can't br light up. Add retry 3 times
+	 * But in real passive dongle, it need additional 3ms to detect
+	 */
+	do {
+		gpio_result = dal_gpio_get_value(ddc->pin_clock, &clock_pin);
+		ASSERT(gpio_result == GPIO_RESULT_OK);
+		if (clock_pin)
+			udelay(1000);
+		else
+			break;
+	} while (retry++ < 3);
+
+	present = (gpio_result == GPIO_RESULT_OK) && !clock_pin;
+
+	dal_ddc_close(ddc);
+
+	return present;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c
index a57a2be2eba0..32f48a48e9dd 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c
@@ -103,3 +103,4 @@ bool dc_link_dpia_query_hpd_status(struct dc_link *link)
 
 	return is_hpd_high;
 }
+
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c
index 801a95b34e8c..f69e681b3b5b 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c
@@ -26,3 +26,416 @@
 /*********************************************************************/
 //				USB4 DPIA BANDWIDTH ALLOCATION LOGIC
 /*********************************************************************/
+#include "dc.h"
+#include "dc_link.h"
+#include "link_dp_dpia_bw.h"
+#include "drm_dp_helper_dc.h"
+#include "link_dpcd.h"
+
+#define Kbps_TO_Gbps (1000 * 1000)
+
+// ------------------------------------------------------------------
+//					PRIVATE FUNCTIONS
+// ------------------------------------------------------------------
+/*
+ * Always Check the following:
+ *  - Is it USB4 link?
+ *  - Is HPD HIGH?
+ *  - Is BW Allocation Support Mode enabled on DP-Tx?
+ */
+static bool get_bw_alloc_proceed_flag(struct dc_link *tmp)
+{
+	return (tmp && DISPLAY_ENDPOINT_USB4_DPIA == tmp->ep_type
+			&& tmp->hpd_status
+			&& tmp->dpia_bw_alloc_config.bw_alloc_enabled);
+}
+static void reset_bw_alloc_struct(struct dc_link *link)
+{
+	link->dpia_bw_alloc_config.bw_alloc_enabled = false;
+	link->dpia_bw_alloc_config.sink_verified_bw = 0;
+	link->dpia_bw_alloc_config.sink_max_bw = 0;
+	link->dpia_bw_alloc_config.estimated_bw = 0;
+	link->dpia_bw_alloc_config.bw_granularity = 0;
+	link->dpia_bw_alloc_config.response_ready = false;
+}
+static uint8_t get_bw_granularity(struct dc_link *link)
+{
+	uint8_t bw_granularity = 0;
+
+	core_link_read_dpcd(
+			link,
+			DP_BW_GRANULALITY,
+			&bw_granularity,
+			sizeof(uint8_t));
+
+	switch (bw_granularity & 0x3) {
+	case 0:
+		bw_granularity = 4;
+		break;
+	case 1:
+	default:
+		bw_granularity = 2;
+		break;
+	}
+
+	return bw_granularity;
+}
+static int get_estimated_bw(struct dc_link *link)
+{
+	uint8_t bw_estimated_bw = 0;
+
+	if (core_link_read_dpcd(
+		link,
+		ESTIMATED_BW,
+		&bw_estimated_bw,
+		sizeof(uint8_t)) != DC_OK)
+		dm_output_to_console("%s: AUX W/R ERROR @ 0x%x\n", __func__, ESTIMATED_BW);
+
+	return bw_estimated_bw * (Kbps_TO_Gbps / link->dpia_bw_alloc_config.bw_granularity);
+}
+static bool allocate_usb4_bw(int *stream_allocated_bw, int bw_needed, struct dc_link *link)
+{
+	if (bw_needed > 0)
+		*stream_allocated_bw += bw_needed;
+
+	return true;
+}
+static bool deallocate_usb4_bw(int *stream_allocated_bw, int bw_to_dealloc, struct dc_link *link)
+{
+	bool ret = false;
+
+	if (*stream_allocated_bw > 0) {
+		*stream_allocated_bw -= bw_to_dealloc;
+		ret = true;
+	} else {
+		//Do nothing for now
+		ret = true;
+	}
+
+	// Unplug so reset values
+	if (!link->hpd_status)
+		reset_bw_alloc_struct(link);
+
+	return ret;
+}
+/*
+ * Read all New BW alloc configuration ex: estimated_bw, allocated_bw,
+ * granuality, Driver_ID, CM_Group, & populate the BW allocation structs
+ * for host router and dpia
+ */
+static void init_usb4_bw_struct(struct dc_link *link)
+{
+	// Init the known values
+	link->dpia_bw_alloc_config.bw_granularity = get_bw_granularity(link);
+	link->dpia_bw_alloc_config.estimated_bw = get_estimated_bw(link);
+}
+static uint8_t get_lowest_dpia_index(struct dc_link *link)
+{
+	const struct dc *dc_struct = link->dc;
+	uint8_t idx = 0xFF;
+
+	for (int i = 0; i < MAX_PIPES * 2; ++i) {
+
+		if (!dc_struct->links[i] ||
+				dc_struct->links[i]->ep_type != DISPLAY_ENDPOINT_USB4_DPIA)
+			continue;
+
+		if (idx > dc_struct->links[i]->link_index)
+			idx = dc_struct->links[i]->link_index;
+	}
+
+	return idx;
+}
+/*
+ * Get the Max Available BW or Max Estimated BW for each Host Router
+ *
+ * @link: pointer to the dc_link struct instance
+ * @type: ESTIMATD BW or MAX AVAILABLE BW
+ *
+ * return: response_ready flag from dc_link struct
+ */
+static int get_host_router_total_bw(struct dc_link *link, uint8_t type)
+{
+	const struct dc *dc_struct = link->dc;
+	uint8_t lowest_dpia_index = get_lowest_dpia_index(link);
+	uint8_t idx = (link->link_index - lowest_dpia_index) / 2, idx_temp = 0;
+	struct dc_link *link_temp;
+	int total_bw = 0;
+
+	for (int i = 0; i < MAX_PIPES * 2; ++i) {
+
+		if (!dc_struct->links[i] || dc_struct->links[i]->ep_type != DISPLAY_ENDPOINT_USB4_DPIA)
+			continue;
+
+		link_temp = dc_struct->links[i];
+		if (!link_temp || !link_temp->hpd_status)
+			continue;
+
+		idx_temp = (link_temp->link_index - lowest_dpia_index) / 2;
+
+		if (idx_temp == idx) {
+
+			if (type == HOST_ROUTER_BW_ESTIMATED)
+				total_bw += link_temp->dpia_bw_alloc_config.estimated_bw;
+			else if (type == HOST_ROUTER_BW_ALLOCATED)
+				total_bw += link_temp->dpia_bw_alloc_config.sink_allocated_bw;
+		}
+	}
+
+	return total_bw;
+}
+/*
+ * Cleanup function for when the dpia is unplugged to reset struct
+ * and perform any required clean up
+ *
+ * @link: pointer to the dc_link struct instance
+ *
+ * return: none
+ */
+static bool dpia_bw_alloc_unplug(struct dc_link *link)
+{
+	bool ret = false;
+
+	if (!link)
+		return true;
+
+	return deallocate_usb4_bw(&link->dpia_bw_alloc_config.sink_allocated_bw,
+			link->dpia_bw_alloc_config.sink_allocated_bw, link);
+}
+static void dc_link_set_usb4_req_bw_req(struct dc_link *link, int req_bw)
+{
+	uint8_t requested_bw;
+	uint32_t temp;
+
+	// 1. Add check for this corner case #1
+	if (req_bw > link->dpia_bw_alloc_config.estimated_bw)
+		req_bw = link->dpia_bw_alloc_config.estimated_bw;
+
+	temp = req_bw * link->dpia_bw_alloc_config.bw_granularity;
+	requested_bw = temp / Kbps_TO_Gbps;
+
+	// Always make sure to add more to account for floating points
+	if (temp % Kbps_TO_Gbps)
+		++requested_bw;
+
+	// 2. Add check for this corner case #2
+	req_bw = requested_bw * (Kbps_TO_Gbps / link->dpia_bw_alloc_config.bw_granularity);
+	if (req_bw == link->dpia_bw_alloc_config.sink_allocated_bw)
+		return;
+
+	if (core_link_write_dpcd(
+		link,
+		REQUESTED_BW,
+		&requested_bw,
+		sizeof(uint8_t)) != DC_OK)
+		dm_output_to_console("%s: AUX W/R ERROR @ 0x%x\n", __func__, REQUESTED_BW);
+	else
+		link->dpia_bw_alloc_config.response_ready = false; // Reset flag
+}
+/*
+ * Return the response_ready flag from dc_link struct
+ *
+ * @link: pointer to the dc_link struct instance
+ *
+ * return: response_ready flag from dc_link struct
+ */
+static bool get_cm_response_ready_flag(struct dc_link *link)
+{
+	return link->dpia_bw_alloc_config.response_ready;
+}
+// ------------------------------------------------------------------
+//					PUBLIC FUNCTIONS
+// ------------------------------------------------------------------
+bool set_dptx_usb4_bw_alloc_support(struct dc_link *link)
+{
+	bool ret = false;
+	uint8_t response = 0,
+			bw_support_dpia = 0,
+			bw_support_cm = 0;
+
+	if (!(link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA && link->hpd_status))
+		goto out;
+
+	if (core_link_read_dpcd(
+		link,
+		DP_TUNNELING_CAPABILITIES,
+		&response,
+		sizeof(uint8_t)) != DC_OK)
+		dm_output_to_console("%s: AUX W/R ERROR @ 0x%x\n", __func__, DP_TUNNELING_CAPABILITIES);
+
+	bw_support_dpia = (response >> 7) & 1;
+
+	if (core_link_read_dpcd(
+		link,
+		USB4_DRIVER_BW_CAPABILITY,
+		&response,
+		sizeof(uint8_t)) != DC_OK)
+		dm_output_to_console("%s: AUX W/R ERROR @ 0x%x\n", __func__, DP_TUNNELING_CAPABILITIES);
+
+	bw_support_cm = (response >> 7) & 1;
+
+	/* Send request acknowledgment to Turn ON DPTX support */
+	if (bw_support_cm && bw_support_dpia) {
+
+		response = 0x80;
+		if (core_link_write_dpcd(
+				link,
+				DPTX_BW_ALLOCATION_MODE_CONTROL,
+				&response,
+				sizeof(uint8_t)) != DC_OK)
+			dm_output_to_console("%s: AUX W/R ERROR @ 0x%x\n",
+					"**** FAILURE Enabling DPtx BW Allocation Mode Support ***\n",
+					__func__, DP_TUNNELING_CAPABILITIES);
+		else {
+
+			// SUCCESS Enabled DPtx BW Allocation Mode Support
+			link->dpia_bw_alloc_config.bw_alloc_enabled = true;
+			dm_output_to_console("**** SUCCESS Enabling DPtx BW Allocation Mode Support ***\n");
+
+			ret = true;
+			init_usb4_bw_struct(link);
+		}
+	}
+
+out:
+	return ret;
+}
+void dc_link_get_usb4_req_bw_resp(struct dc_link *link, uint8_t bw, uint8_t result)
+{
+	if (!get_bw_alloc_proceed_flag((link)))
+		return;
+
+	switch (result) {
+
+	case DPIA_BW_REQ_FAILED:
+
+		dm_output_to_console("%s: *** *** BW REQ FAILURE for DP-TX Request *** ***\n", __func__);
+
+		// Update the new Estimated BW value updated by CM
+		link->dpia_bw_alloc_config.estimated_bw =
+				bw * (Kbps_TO_Gbps / link->dpia_bw_alloc_config.bw_granularity);
+
+		dc_link_set_usb4_req_bw_req(link, link->dpia_bw_alloc_config.estimated_bw);
+		link->dpia_bw_alloc_config.response_ready = false;
+
+		/*
+		 * If FAIL then it is either:
+		 * 1. Due to DP-Tx trying to allocate more than available i.e. it failed locally
+		 *    => get estimated and allocate that
+		 * 2. Due to the fact that DP-Tx tried to allocated ESTIMATED BW and failed then
+		 *    CM will have to update 0xE0023 with new ESTIMATED BW value.
+		 */
+		break;
+
+	case DPIA_BW_REQ_SUCCESS:
+
+		dm_output_to_console("%s: *** BW REQ SUCCESS for DP-TX Request ***\n", __func__);
+
+		// 1. SUCCESS 1st time before any Pruning is done
+		// 2. SUCCESS after prev. FAIL before any Pruning is done
+		// 3. SUCCESS after Pruning is done but before enabling link
+
+		int needed = bw * (Kbps_TO_Gbps / link->dpia_bw_alloc_config.bw_granularity);
+
+		// 1.
+		if (!link->dpia_bw_alloc_config.sink_allocated_bw) {
+
+			allocate_usb4_bw(&link->dpia_bw_alloc_config.sink_allocated_bw, needed, link);
+			link->dpia_bw_alloc_config.sink_verified_bw =
+					link->dpia_bw_alloc_config.sink_allocated_bw;
+
+			// SUCCESS from first attempt
+			if (link->dpia_bw_alloc_config.sink_allocated_bw >
+			link->dpia_bw_alloc_config.sink_max_bw)
+				link->dpia_bw_alloc_config.sink_verified_bw =
+						link->dpia_bw_alloc_config.sink_max_bw;
+		}
+		// 3.
+		else if (link->dpia_bw_alloc_config.sink_allocated_bw) {
+
+			// Find out how much do we need to de-alloc
+			if (link->dpia_bw_alloc_config.sink_allocated_bw > needed)
+				deallocate_usb4_bw(&link->dpia_bw_alloc_config.sink_allocated_bw,
+						link->dpia_bw_alloc_config.sink_allocated_bw - needed, link);
+			else
+				allocate_usb4_bw(&link->dpia_bw_alloc_config.sink_allocated_bw,
+						needed - link->dpia_bw_alloc_config.sink_allocated_bw, link);
+		}
+
+		// 4. If this is the 2nd sink then any unused bw will be reallocated to master DPIA
+		// => check if estimated_bw changed
+
+		link->dpia_bw_alloc_config.response_ready = true;
+		break;
+
+	case DPIA_EST_BW_CHANGED:
+
+		dm_output_to_console("%s: *** ESTIMATED BW CHANGED for DP-TX Request ***\n", __func__);
+
+		int available = 0, estimated = bw * (Kbps_TO_Gbps / link->dpia_bw_alloc_config.bw_granularity);
+		int host_router_total_estimated_bw = get_host_router_total_bw(link, HOST_ROUTER_BW_ESTIMATED);
+
+		// 1. If due to unplug of other sink
+		if (estimated == host_router_total_estimated_bw) {
+
+			// First update the estimated & max_bw fields
+			if (link->dpia_bw_alloc_config.estimated_bw < estimated) {
+				available = estimated - link->dpia_bw_alloc_config.estimated_bw;
+				link->dpia_bw_alloc_config.estimated_bw = estimated;
+			}
+		}
+		// 2. If due to realloc bw btw 2 dpia due to plug OR realloc unused Bw
+		else {
+
+			// We took from another unplugged/problematic sink to give to us
+			if (link->dpia_bw_alloc_config.estimated_bw < estimated)
+				available = estimated - link->dpia_bw_alloc_config.estimated_bw;
+
+			// We lost estimated bw usually due to plug event of other dpia
+			link->dpia_bw_alloc_config.estimated_bw = estimated;
+		}
+		break;
+
+	case DPIA_BW_ALLOC_CAPS_CHANGED:
+
+		dm_output_to_console("%s: *** BW ALLOC CAPABILITY CHANGED for DP-TX Request ***\n", __func__);
+		link->dpia_bw_alloc_config.bw_alloc_enabled = false;
+		break;
+	}
+}
+int dc_link_dp_dpia_handle_usb4_bandwidth_allocation_for_link(struct dc_link *link, int peak_bw)
+{
+	int ret = 0;
+	uint8_t timeout = 10;
+
+	if (!(link && DISPLAY_ENDPOINT_USB4_DPIA == link->ep_type
+			&& link->dpia_bw_alloc_config.bw_alloc_enabled))
+		goto out;
+
+	//1. Hot Plug
+	if (link->hpd_status && peak_bw > 0) {
+
+		// If DP over USB4 then we need to check BW allocation
+		link->dpia_bw_alloc_config.sink_max_bw = peak_bw;
+		dc_link_set_usb4_req_bw_req(link, link->dpia_bw_alloc_config.sink_max_bw);
+
+		do {
+			if (!timeout > 0)
+				timeout--;
+			else
+				break;
+			udelay(10 * 1000);
+		} while (!get_cm_response_ready_flag(link));
+
+		if (!timeout)
+			ret = 0;// ERROR TIMEOUT waiting for response for allocating bw
+		else if (link->dpia_bw_alloc_config.sink_allocated_bw > 0)
+			ret = get_host_router_total_bw(link, HOST_ROUTER_BW_ALLOCATED);
+	}
+	//2. Cold Unplug
+	else if (!link->hpd_status)
+		dpia_bw_alloc_unplug(link);
+
+out:
+	return ret;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
index 832a6dd2c5fa..c2c3049adcd1 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
@@ -44,33 +44,4 @@ enum bw_type {
  */
 bool set_dptx_usb4_bw_alloc_support(struct dc_link *link);
 
-/*
- * Return the response_ready flag from dc_link struct
- *
- * @link: pointer to the dc_link struct instance
- *
- * return: response_ready flag from dc_link struct
- */
-bool get_cm_response_ready_flag(struct dc_link *link);
-
-/*
- * Get the Max Available BW or Max Estimated BW for each Host Router
- *
- * @link: pointer to the dc_link struct instance
- * @type: ESTIMATD BW or MAX AVAILABLE BW
- *
- * return: response_ready flag from dc_link struct
- */
-int get_host_router_total_bw(struct dc_link *link, uint8_t type);
-
-/*
- * Cleanup function for when the dpia is unplugged to reset struct
- * and perform any required clean up
- *
- * @link: pointer to the dc_link struct instance
- *
- * return: none
- */
-bool dpia_bw_alloc_unplug(struct dc_link *link);
-
 #endif /* DC_INC_LINK_DP_DPIA_BW_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
index 9a832a9ea42d..9d80427520cf 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
@@ -24,7 +24,8 @@
  */
 
 /* FILE POLICY AND INTENDED USAGE:
- *
+ * This file implements DP HPD short pulse handling sequence according to DP
+ * specifications
  *
  */
 
@@ -33,6 +34,7 @@
 #include "link_dp_training.h"
 #include "link_dp_capability.h"
 #include "link/accessories/link_dp_trace.h"
+#include "link/link_dpms.h"
 #include "dm_helpers.h"
 
 #define DC_LOGGER_INIT(logger)
@@ -174,44 +176,31 @@ static bool handle_hpd_irq_psr_sink(struct dc_link *link)
 
 void dc_link_dp_handle_link_loss(struct dc_link *link)
 {
+	struct pipe_ctx *pipes[MAX_PIPES];
+	struct dc_state *state = link->dc->current_state;
+	uint8_t count;
 	int i;
-	struct pipe_ctx *pipe_ctx;
 
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
-			break;
-	}
+	link_get_master_pipes_with_dpms_on(link, state, &count, pipes);
 
-	if (pipe_ctx == NULL || pipe_ctx->stream == NULL)
-		return;
+	for (i = 0; i < count; i++)
+		link_set_dpms_off(pipes[i]);
 
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe_ctx && pipe_ctx->stream && !pipe_ctx->stream->dpms_off &&
-				pipe_ctx->stream->link == link && !pipe_ctx->prev_odm_pipe)
-			core_link_disable_stream(pipe_ctx);
-	}
-
-	for (i = 0; i < MAX_PIPES; i++) {
-		pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
-		if (pipe_ctx && pipe_ctx->stream && !pipe_ctx->stream->dpms_off
-				&& pipe_ctx->stream->link == link && !pipe_ctx->prev_odm_pipe) {
-			// Always use max settings here for DP 1.4a LL Compliance CTS
-			if (link->is_automated) {
-				pipe_ctx->link_config.dp_link_settings.lane_count =
-						link->verified_link_cap.lane_count;
-				pipe_ctx->link_config.dp_link_settings.link_rate =
-						link->verified_link_cap.link_rate;
-				pipe_ctx->link_config.dp_link_settings.link_spread =
-						link->verified_link_cap.link_spread;
-			}
-			core_link_enable_stream(link->dc->current_state, pipe_ctx);
+	for (i = count - 1; i >= 0; i--) {
+		// Always use max settings here for DP 1.4a LL Compliance CTS
+		if (link->is_automated) {
+			pipes[i]->link_config.dp_link_settings.lane_count =
+					link->verified_link_cap.lane_count;
+			pipes[i]->link_config.dp_link_settings.link_rate =
+					link->verified_link_cap.link_rate;
+			pipes[i]->link_config.dp_link_settings.link_spread =
+					link->verified_link_cap.link_spread;
 		}
+		link_set_dpms_on(link->dc->current_state, pipes[i]);
 	}
 }
 
-enum dc_status dp_read_hpd_rx_irq_data(
+enum dc_status dc_link_dp_read_hpd_rx_irq_data(
 	struct dc_link *link,
 	union hpd_irq_data *irq_data)
 {
@@ -299,7 +288,7 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
 		 * dal_dpsst_ls_read_hpd_irq_data
 		 * Order of calls is important too
 		 */
-	result = dp_read_hpd_rx_irq_data(link, &hpd_irq_dpcd_data);
+	result = dc_link_dp_read_hpd_rx_irq_data(link, &hpd_irq_dpcd_data);
 	if (out_hpd_irq_dpcd_data)
 		*out_hpd_irq_dpcd_data = hpd_irq_dpcd_data;
 
@@ -398,4 +387,3 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
 	 */
 	return status;
 }
-
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.h
index cac7acd33511..39b2e51ea79d 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.h
@@ -28,8 +28,4 @@
 
 #include "link.h"
 
-enum dc_status dp_read_hpd_rx_irq_data(
-	struct dc_link *link,
-	union hpd_irq_data *irq_data);
-
 #endif /* __DC_LINK_DP_IRQ_HANDLER_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
index 5e531620926f..cd9fb8126bcf 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
@@ -36,7 +36,7 @@
 #include "link_dp_capability.h"
 #include "clk_mgr.h"
 #include "resource.h"
-
+#include "link_enc_cfg.h"
 #define DC_LOGGER \
 	link->ctx->logger
 
@@ -85,20 +85,6 @@ void dp_disable_link_phy(struct dc_link *link,
 		dc->clk_mgr->funcs->notify_link_rate_change(dc->clk_mgr, link);
 }
 
-void dp_disable_link_phy_mst(struct dc_link *link,
-		const struct link_resource *link_res,
-		enum signal_type signal)
-{
-	/* MST disable link only when no stream use the link */
-	if (link->mst_stream_alloc_table.stream_count > 0)
-		return;
-
-	dp_disable_link_phy(link, link_res, signal);
-
-	/* set the sink to SST mode after disabling the link */
-	dp_enable_mst_on_sink(link, false);
-}
-
 static inline bool is_immediate_downstream(struct dc_link *link, uint32_t offset)
 {
 	return (dp_parse_lttpr_repeater_count(link->dpcd_caps.lttpr_caps.phy_repeater_cnt) ==
@@ -142,3 +128,81 @@ void dp_set_drive_settings(
 	/* Notify DP sink the PHY settings from source */
 	dpcd_set_lane_settings(link, lt_settings, DPRX);
 }
+
+enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready)
+{
+	/* FEC has to be "set ready" before the link training.
+	 * The policy is to always train with FEC
+	 * if the sink supports it and leave it enabled on link.
+	 * If FEC is not supported, disable it.
+	 */
+	struct link_encoder *link_enc = NULL;
+	enum dc_status status = DC_OK;
+	uint8_t fec_config = 0;
+
+	link_enc = link_enc_cfg_get_link_enc(link);
+	ASSERT(link_enc);
+
+	if (!dc_link_should_enable_fec(link))
+		return status;
+
+	if (link_enc->funcs->fec_set_ready &&
+			link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
+		if (ready) {
+			fec_config = 1;
+			status = core_link_write_dpcd(link,
+					DP_FEC_CONFIGURATION,
+					&fec_config,
+					sizeof(fec_config));
+			if (status == DC_OK) {
+				link_enc->funcs->fec_set_ready(link_enc, true);
+				link->fec_state = dc_link_fec_ready;
+			} else {
+				link_enc->funcs->fec_set_ready(link_enc, false);
+				link->fec_state = dc_link_fec_not_ready;
+				dm_error("dpcd write failed to set fec_ready");
+			}
+		} else if (link->fec_state == dc_link_fec_ready) {
+			fec_config = 0;
+			status = core_link_write_dpcd(link,
+					DP_FEC_CONFIGURATION,
+					&fec_config,
+					sizeof(fec_config));
+			link_enc->funcs->fec_set_ready(link_enc, false);
+			link->fec_state = dc_link_fec_not_ready;
+		}
+	}
+
+	return status;
+}
+
+void dp_set_fec_enable(struct dc_link *link, bool enable)
+{
+	struct link_encoder *link_enc = NULL;
+
+	link_enc = link_enc_cfg_get_link_enc(link);
+	ASSERT(link_enc);
+
+	if (!dc_link_should_enable_fec(link))
+		return;
+
+	if (link_enc->funcs->fec_set_enable &&
+			link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
+		if (link->fec_state == dc_link_fec_ready && enable) {
+			/* Accord to DP spec, FEC enable sequence can first
+			 * be transmitted anytime after 1000 LL codes have
+			 * been transmitted on the link after link training
+			 * completion. Using 1 lane RBR should have the maximum
+			 * time for transmitting 1000 LL codes which is 6.173 us.
+			 * So use 7 microseconds delay instead.
+			 */
+			udelay(7);
+			link_enc->funcs->fec_set_enable(link_enc, true);
+			link->fec_state = dc_link_fec_enabled;
+		} else if (link->fec_state == dc_link_fec_enabled && !enable) {
+			link_enc->funcs->fec_set_enable(link_enc, false);
+			link->fec_state = dc_link_fec_ready;
+		}
+	}
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h
index 850da64c9005..dba1f29df319 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h
@@ -38,10 +38,6 @@ void dp_disable_link_phy(struct dc_link *link,
 		const struct link_resource *link_res,
 		enum signal_type signal);
 
-void dp_disable_link_phy_mst(struct dc_link *link,
-		const struct link_resource *link_res,
-		enum signal_type signal);
-
 void dp_set_hw_lane_settings(
 		struct dc_link *link,
 		const struct link_resource *link_res,
@@ -53,4 +49,8 @@ void dp_set_drive_settings(
 	const struct link_resource *link_res,
 	struct link_training_settings *lt_settings);
 
+enum dc_status dp_set_fec_ready(struct dc_link *link,
+		const struct link_resource *link_res, bool ready);
+void dp_set_fec_enable(struct dc_link *link, bool enable);
+
 #endif /* __DC_LINK_DP_PHY_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
index 18ec09b5a8ba..b48d4d822991 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
@@ -51,6 +51,7 @@
 
 #define POST_LT_ADJ_REQ_LIMIT 6
 #define POST_LT_ADJ_REQ_TIMEOUT 200
+#define LINK_TRAINING_RETRY_DELAY 50 /* ms */
 
 void dp_log_training_result(
 	struct dc_link *link,
@@ -1648,7 +1649,7 @@ bool perform_link_training_with_retries(
 		if (status == LINK_TRAINING_ABORT) {
 			enum dc_connection_type type = dc_connection_none;
 
-			dc_link_detect_sink(link, &type);
+			dc_link_detect_connection_type(link, &type);
 			if (type == dc_connection_none) {
 				DC_LOG_HW_LINK_TRAINING("%s: Aborting training because sink unplugged\n", __func__);
 				break;
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
index 05657627ae45..e60da0532c53 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
@@ -37,6 +37,7 @@
 #include "dm_helpers.h"
 #include "dmub/inc/dmub_cmd.h"
 #include "link_dpcd.h"
+#include "link_dp_phy.h"
 #include "link_dp_training_8b_10b.h"
 #include "link_dp_capability.h"
 #include "dc_dmub_srv.h"
@@ -49,6 +50,8 @@
 /* Extend interval between training status checks for manual testing. */
 #define DPIA_DEBUG_EXTENDED_AUX_RD_INTERVAL_US 60000000
 
+#define TRAINING_AUX_RD_INTERVAL 100 //us
+
 /* SET_CONFIG message types sent by driver. */
 enum dpia_set_config_type {
 	DPIA_SET_CFG_SET_LINK = 0x01,
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 04df407092b1..007d6bdc3e39 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -162,6 +162,7 @@ extern "C" {
 #define dmub_udelay(microseconds) udelay(microseconds)
 #endif
 
+#pragma pack(push, 1)
 /**
  * union dmub_addr - DMUB physical/virtual 64-bit address.
  */
@@ -172,6 +173,7 @@ union dmub_addr {
 	} u; /*<< Low/high bit access */
 	uint64_t quad_part; /*<< 64 bit address */
 };
+#pragma pack(pop)
 
 /**
  * Dirty rect definition.
@@ -457,6 +459,10 @@ enum dmub_cmd_vbios_type {
 	 * Query DP alt status on a transmitter.
 	 */
 	DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT  = 26,
+	/**
+	 * Controls domain power gating
+	 */
+	DMUB_CMD__VBIOS_DOMAIN_CONTROL = 28,
 };
 
 //==============================================================================
@@ -1214,6 +1220,23 @@ struct dmub_rb_cmd_dig1_transmitter_control {
 };
 
 /**
+ * struct dmub_rb_cmd_domain_control_data - Data for DOMAIN power control
+ */
+struct dmub_rb_cmd_domain_control_data {
+	uint8_t inst : 6; /**< DOMAIN instance to control */
+	uint8_t power_gate : 1; /**< 1=power gate, 0=power up */
+	uint8_t reserved[3]; /**< Reserved for future use */
+};
+
+/**
+ * struct dmub_rb_cmd_domain_control - Controls DOMAIN power gating
+ */
+struct dmub_rb_cmd_domain_control {
+	struct dmub_cmd_header header; /**< header */
+	struct dmub_rb_cmd_domain_control_data data; /**< payload */
+};
+
+/**
  * DPIA tunnel command parameters.
  */
 struct dmub_cmd_dig_dpia_control_data {
@@ -3323,6 +3346,10 @@ union dmub_rb_cmd {
 	 */
 	struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control;
 	/**
+	 * Definition of a DMUB_CMD__VBIOS_DOMAIN_CONTROL command.
+	 */
+	struct dmub_rb_cmd_domain_control domain_control;
+	/**
 	 * Definition of a DMUB_CMD__PSR_SET_VERSION command.
 	 */
 	struct dmub_rb_cmd_psr_set_version psr_set_version;
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index f6034213c700..67a062af3ab0 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -1715,8 +1715,8 @@ static bool map_regamma_hw_to_x_user(
 	const struct pwl_float_data_ex *rgb_regamma,
 	uint32_t hw_points_num,
 	struct dc_transfer_func_distributed_points *tf_pts,
-	bool mapUserRamp,
-	bool doClamping)
+	bool map_user_ramp,
+	bool do_clamping)
 {
 	/* setup to spare calculated ideal regamma values */
 
@@ -1724,7 +1724,7 @@ static bool map_regamma_hw_to_x_user(
 	struct hw_x_point *coords = coords_x;
 	const struct pwl_float_data_ex *regamma = rgb_regamma;
 
-	if (ramp && mapUserRamp) {
+	if (ramp && map_user_ramp) {
 		copy_rgb_regamma_to_coordinates_x(coords,
 				hw_points_num,
 				rgb_regamma);
@@ -1744,7 +1744,7 @@ static bool map_regamma_hw_to_x_user(
 		}
 	}
 
-	if (doClamping) {
+	if (do_clamping) {
 		/* this should be named differently, all it does is clamp to 0-1 */
 		build_new_custom_resulted_curve(hw_points_num, tf_pts);
 	}
@@ -1875,7 +1875,7 @@ rgb_user_alloc_fail:
 
 bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 		struct dc_transfer_func *input_tf,
-		const struct dc_gamma *ramp, bool mapUserRamp)
+		const struct dc_gamma *ramp, bool map_user_ramp)
 {
 	struct dc_transfer_func_distributed_points *tf_pts = &input_tf->tf_pts;
 	struct dividers dividers;
@@ -1883,7 +1883,7 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 	struct pwl_float_data_ex *curve = NULL;
 	struct gamma_pixel *axis_x = NULL;
 	struct pixel_gamma_point *coeff = NULL;
-	enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
+	enum dc_transfer_func_predefined tf;
 	uint32_t i;
 	bool ret = false;
 
@@ -1891,12 +1891,12 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 		return false;
 
 	/* we can use hardcoded curve for plain SRGB TF
-	 * If linear, it's bypass if on user ramp
+	 * If linear, it's bypass if no user ramp
 	 */
 	if (input_tf->type == TF_TYPE_PREDEFINED) {
 		if ((input_tf->tf == TRANSFER_FUNCTION_SRGB ||
 				input_tf->tf == TRANSFER_FUNCTION_LINEAR) &&
-				!mapUserRamp)
+				!map_user_ramp)
 			return true;
 
 		if (dc_caps != NULL &&
@@ -1919,7 +1919,7 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 
 	input_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
 
-	if (mapUserRamp && ramp && ramp->type == GAMMA_RGB_256) {
+	if (map_user_ramp && ramp && ramp->type == GAMMA_RGB_256) {
 		rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS,
 				sizeof(*rgb_user),
 				GFP_KERNEL);
@@ -2007,7 +2007,7 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 		map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
 				coordinates_x, axis_x, curve,
 				MAX_HW_POINTS, tf_pts,
-				mapUserRamp && ramp && ramp->type == GAMMA_RGB_256,
+				map_user_ramp && ramp && ramp->type == GAMMA_RGB_256,
 				true);
 	}
 
@@ -2112,9 +2112,11 @@ static bool calculate_curve(enum dc_transfer_func_predefined trans,
 }
 
 bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
-		const struct dc_gamma *ramp, bool mapUserRamp, bool canRomBeUsed,
-		const struct hdr_tm_params *fs_params,
-		struct calculate_buffer *cal_buffer)
+					const struct dc_gamma *ramp,
+					bool map_user_ramp,
+					bool can_rom_be_used,
+					const struct hdr_tm_params *fs_params,
+					struct calculate_buffer *cal_buffer)
 {
 	struct dc_transfer_func_distributed_points *tf_pts = &output_tf->tf_pts;
 	struct dividers dividers;
@@ -2123,27 +2125,27 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 	struct pwl_float_data_ex *rgb_regamma = NULL;
 	struct gamma_pixel *axis_x = NULL;
 	struct pixel_gamma_point *coeff = NULL;
-	enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
-	bool doClamping = true;
+	enum dc_transfer_func_predefined tf;
+	bool do_clamping = true;
 	bool ret = false;
 
 	if (output_tf->type == TF_TYPE_BYPASS)
 		return false;
 
 	/* we can use hardcoded curve for plain SRGB TF */
-	if (output_tf->type == TF_TYPE_PREDEFINED && canRomBeUsed == true &&
+	if (output_tf->type == TF_TYPE_PREDEFINED && can_rom_be_used == true &&
 			output_tf->tf == TRANSFER_FUNCTION_SRGB) {
 		if (ramp == NULL)
 			return true;
 		if ((ramp->is_identity && ramp->type != GAMMA_CS_TFM_1D) ||
-				(!mapUserRamp && ramp->type == GAMMA_RGB_256))
+		    (!map_user_ramp && ramp->type == GAMMA_RGB_256))
 			return true;
 	}
 
 	output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
 
 	if (ramp && ramp->type != GAMMA_CS_TFM_1D &&
-			(mapUserRamp || ramp->type != GAMMA_RGB_256)) {
+	    (map_user_ramp || ramp->type != GAMMA_RGB_256)) {
 		rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS,
 			    sizeof(*rgb_user),
 			    GFP_KERNEL);
@@ -2164,7 +2166,7 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 				ramp->num_entries,
 				dividers);
 
-		if (ramp->type == GAMMA_RGB_256 && mapUserRamp)
+		if (ramp->type == GAMMA_RGB_256 && map_user_ramp)
 			scale_gamma(rgb_user, ramp, dividers);
 		else if (ramp->type == GAMMA_RGB_FLOAT_1024)
 			scale_gamma_dx(rgb_user, ramp, dividers);
@@ -2191,15 +2193,15 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 			cal_buffer);
 
 	if (ret) {
-		doClamping = !(output_tf->tf == TRANSFER_FUNCTION_GAMMA22 &&
-			fs_params != NULL && fs_params->skip_tm == 0);
+		do_clamping = !(output_tf->tf == TRANSFER_FUNCTION_GAMMA22 &&
+				fs_params != NULL && fs_params->skip_tm == 0);
 
 		map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
-				coordinates_x, axis_x, rgb_regamma,
-				MAX_HW_POINTS, tf_pts,
-				(mapUserRamp || (ramp && ramp->type != GAMMA_RGB_256)) &&
-				(ramp && ramp->type != GAMMA_CS_TFM_1D),
-				doClamping);
+					 coordinates_x, axis_x, rgb_regamma,
+					 MAX_HW_POINTS, tf_pts,
+					 (map_user_ramp || (ramp && ramp->type != GAMMA_RGB_256)) &&
+					 (ramp && ramp->type != GAMMA_CS_TFM_1D),
+					 do_clamping);
 
 		if (ramp && ramp->type == GAMMA_CS_TFM_1D)
 			apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);
@@ -2215,89 +2217,3 @@ axis_x_alloc_fail:
 rgb_user_alloc_fail:
 	return ret;
 }
-
-bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
-				struct dc_transfer_func_distributed_points *points)
-{
-	uint32_t i;
-	bool ret = false;
-	struct pwl_float_data_ex *rgb_degamma = NULL;
-
-	if (trans == TRANSFER_FUNCTION_UNITY ||
-		trans == TRANSFER_FUNCTION_LINEAR) {
-
-		for (i = 0; i <= MAX_HW_POINTS ; i++) {
-			points->red[i]    = coordinates_x[i].x;
-			points->green[i]  = coordinates_x[i].x;
-			points->blue[i]   = coordinates_x[i].x;
-		}
-		ret = true;
-	} else if (trans == TRANSFER_FUNCTION_PQ) {
-		rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
-				       sizeof(*rgb_degamma),
-				       GFP_KERNEL);
-		if (!rgb_degamma)
-			goto rgb_degamma_alloc_fail;
-
-
-		build_de_pq(rgb_degamma,
-				MAX_HW_POINTS,
-				coordinates_x);
-		for (i = 0; i <= MAX_HW_POINTS ; i++) {
-			points->red[i]    = rgb_degamma[i].r;
-			points->green[i]  = rgb_degamma[i].g;
-			points->blue[i]   = rgb_degamma[i].b;
-		}
-		ret = true;
-
-		kvfree(rgb_degamma);
-	} else if (trans == TRANSFER_FUNCTION_SRGB ||
-		trans == TRANSFER_FUNCTION_BT709 ||
-		trans == TRANSFER_FUNCTION_GAMMA22 ||
-		trans == TRANSFER_FUNCTION_GAMMA24 ||
-		trans == TRANSFER_FUNCTION_GAMMA26) {
-		rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
-				       sizeof(*rgb_degamma),
-				       GFP_KERNEL);
-		if (!rgb_degamma)
-			goto rgb_degamma_alloc_fail;
-
-		build_degamma(rgb_degamma,
-				MAX_HW_POINTS,
-				coordinates_x,
-				trans);
-		for (i = 0; i <= MAX_HW_POINTS ; i++) {
-			points->red[i]    = rgb_degamma[i].r;
-			points->green[i]  = rgb_degamma[i].g;
-			points->blue[i]   = rgb_degamma[i].b;
-		}
-		ret = true;
-
-		kvfree(rgb_degamma);
-	} else if (trans == TRANSFER_FUNCTION_HLG) {
-		rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
-				       sizeof(*rgb_degamma),
-				       GFP_KERNEL);
-		if (!rgb_degamma)
-			goto rgb_degamma_alloc_fail;
-
-		build_hlg_degamma(rgb_degamma,
-				MAX_HW_POINTS,
-				coordinates_x,
-				80, 1000);
-		for (i = 0; i <= MAX_HW_POINTS ; i++) {
-			points->red[i]    = rgb_degamma[i].r;
-			points->green[i]  = rgb_degamma[i].g;
-			points->blue[i]   = rgb_degamma[i].b;
-		}
-		ret = true;
-		kvfree(rgb_degamma);
-	}
-	points->end_exponent = 0;
-	points->x_point_at_y1_red = 1;
-	points->x_point_at_y1_green = 1;
-	points->x_point_at_y1_blue = 1;
-
-rgb_degamma_alloc_fail:
-	return ret;
-}
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
index 2893abf48208..ee5c466613de 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -115,9 +115,6 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 		struct dc_transfer_func *output_tf,
 		const struct dc_gamma *ramp, bool mapUserRamp);
 
-bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
-				struct dc_transfer_func_distributed_points *points);
-
 bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
 		const struct regamma_lut *regamma,
 		struct calculate_buffer *cal_buffer,
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 315da61ee897..2be45b314922 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -955,20 +955,26 @@ void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
 	 * Check if Freesync is supported. Return if false. If true,
 	 * set the corresponding bit in the info packet
 	 */
+	bool freesync_on_desktop;
+	bool fams_enable;
+
+	fams_enable = stream->ctx->dc->current_state->bw_ctx.bw.dcn.clk.fw_based_mclk_switching;
+	freesync_on_desktop = stream->freesync_on_desktop && fams_enable;
+
 	if (!vrr->send_info_frame)
 		return;
 
 	switch (packet_type) {
 	case PACKET_TYPE_FS_V3:
-		build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket, stream->freesync_on_desktop);
+		build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket, freesync_on_desktop);
 		break;
 	case PACKET_TYPE_FS_V2:
-		build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket, stream->freesync_on_desktop);
+		build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket, freesync_on_desktop);
 		break;
 	case PACKET_TYPE_VRR:
 	case PACKET_TYPE_FS_V1:
 	default:
-		build_vrr_infopacket_v1(stream->signal, vrr, infopacket, stream->freesync_on_desktop);
+		build_vrr_infopacket_v1(stream->signal, vrr, infopacket, freesync_on_desktop);
 	}
 
 	if (true == pack_sdp_v1_3 &&
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index f175e65b853a..e4a22c68517d 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -240,6 +240,7 @@ enum DC_FEATURE_MASK {
 	DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default
 	DC_PSR_ALLOW_SMU_OPT = (1 << 7), //0x80, disabled by default
 	DC_PSR_ALLOW_MULTI_DISP_OPT = (1 << 8), //0x100, disabled by default
+	DC_ENABLE_SUBVP_DRR = (1 << 9), // 0x200, disabled by default
 };
 
 enum DC_DEBUG_MASK {
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index f3d64c78feaa..75f18791cdb9 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -397,6 +397,7 @@ struct amd_pm_funcs {
 	int (*get_ppfeature_status)(void *handle, char *buf);
 	int (*set_ppfeature_status)(void *handle, uint64_t ppfeature_masks);
 	int (*asic_reset_mode_2)(void *handle);
+	int (*asic_reset_enable_gfx_features)(void *handle);
 	int (*set_df_cstate)(void *handle, enum pp_df_cstate state);
 	int (*set_xgmi_pstate)(void *handle, uint32_t pstate);
 	ssize_t (*get_gpu_metrics)(void *handle, void **table);
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 1b300c569faf..6e79d3352d0b 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -227,6 +227,24 @@ int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev)
 	return ret;
 }
 
+int amdgpu_dpm_enable_gfx_features(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	int ret = 0;
+
+	if (!pp_funcs || !pp_funcs->asic_reset_enable_gfx_features)
+		return -ENOENT;
+
+	mutex_lock(&adev->pm.mutex);
+
+	ret = pp_funcs->asic_reset_enable_gfx_features(pp_handle);
+
+	mutex_unlock(&adev->pm.mutex);
+
+	return ret;
+}
+
 int amdgpu_dpm_baco_reset(struct amdgpu_device *adev)
 {
 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index bd060697d982..bf6d63673b5a 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -1991,6 +1991,8 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
 		case IP_VERSION(9, 4, 2):
 		case IP_VERSION(10, 3, 0):
 		case IP_VERSION(11, 0, 0):
+		case IP_VERSION(11, 0, 1):
+		case IP_VERSION(11, 0, 2):
 			*states = ATTR_STATE_SUPPORTED;
 			break;
 		default:
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
index cb5b9df78b4d..16addceca68f 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
@@ -386,6 +386,7 @@ int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
 int amdgpu_dpm_baco_reset(struct amdgpu_device *adev);
 
 int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev);
+int amdgpu_dpm_enable_gfx_features(struct amdgpu_device *adev);
 
 bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev);
 
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index 89fc32318d80..e10cc5e7928e 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -1504,12 +1504,6 @@ static void smu7_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
 {
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 	struct smu7_dpm_table *golden_dpm_table = &data->golden_dpm_table;
-	struct phm_clock_voltage_dependency_table *vddc_dependency_on_sclk =
-			hwmgr->dyn_state.vddc_dependency_on_sclk;
-	struct phm_ppt_v1_information *table_info =
-			(struct phm_ppt_v1_information *)(hwmgr->pptable);
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_sclk =
-			table_info->vdd_dep_on_sclk;
 	int32_t tmp_sclk, count, percentage;
 
 	if (golden_dpm_table->mclk_table.count == 1) {
@@ -1524,6 +1518,9 @@ static void smu7_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
 	tmp_sclk = hwmgr->pstate_mclk * percentage / 100;
 
 	if (hwmgr->pp_table_version == PP_TABLE_V0) {
+		struct phm_clock_voltage_dependency_table *vddc_dependency_on_sclk =
+			hwmgr->dyn_state.vddc_dependency_on_sclk;
+
 		for (count = vddc_dependency_on_sclk->count - 1; count >= 0; count--) {
 			if (tmp_sclk >= vddc_dependency_on_sclk->entries[count].clk) {
 				hwmgr->pstate_sclk = vddc_dependency_on_sclk->entries[count].clk;
@@ -1536,6 +1533,11 @@ static void smu7_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
 		hwmgr->pstate_sclk_peak =
 			vddc_dependency_on_sclk->entries[vddc_dependency_on_sclk->count - 1].clk;
 	} else if (hwmgr->pp_table_version == PP_TABLE_V1) {
+		struct phm_ppt_v1_information *table_info =
+			(struct phm_ppt_v1_information *)(hwmgr->pptable);
+		struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_sclk =
+			table_info->vdd_dep_on_sclk;
+
 		for (count = vdd_dep_on_sclk->count - 1; count >= 0; count--) {
 			if (tmp_sclk >= vdd_dep_on_sclk->entries[count].clk) {
 				hwmgr->pstate_sclk = vdd_dep_on_sclk->entries[count].clk;
diff --git a/drivers/gpu/drm/amd/pm/powerplay/inc/smu11_driver_if.h b/drivers/gpu/drm/amd/pm/powerplay/inc/smu11_driver_if.h
index fdc6b7a57bc9..c2efc70ef288 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/inc/smu11_driver_if.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/inc/smu11_driver_if.h
@@ -358,6 +358,7 @@ typedef struct {
   QuadraticInt_t SsCurve;
 } DpmDescriptor_t;
 
+#pragma pack(push, 1)
 typedef struct {
   uint32_t Version;
 
@@ -609,6 +610,7 @@ typedef struct {
   uint32_t     MmHubPadding[8];
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
 
diff --git a/drivers/gpu/drm/amd/pm/powerplay/inc/smu9_driver_if.h b/drivers/gpu/drm/amd/pm/powerplay/inc/smu9_driver_if.h
index 2818c98ff5ca..faae4b918d90 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/inc/smu9_driver_if.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/inc/smu9_driver_if.h
@@ -122,6 +122,7 @@ typedef struct {
   uint16_t Vid;  /* min voltage in SVI2 VID */
 } DisplayClockTable_t;
 
+#pragma pack(push, 1)
 typedef struct {
   /* PowerTune */
   uint16_t SocketPowerLimit; /* Watts */
@@ -323,6 +324,7 @@ typedef struct {
   uint32_t     MmHubPadding[3]; /* SMU internal use */
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   uint16_t MinClock; // This is either DCEFCLK or SOCCLK (in MHz)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/inc/vega12/smu9_driver_if.h b/drivers/gpu/drm/amd/pm/powerplay/inc/vega12/smu9_driver_if.h
index b6ffd08784e7..6456bea5d2d5 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/inc/vega12/smu9_driver_if.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/inc/vega12/smu9_driver_if.h
@@ -245,6 +245,7 @@ typedef struct {
   QuadraticInt_t SsCurve;
 } DpmDescriptor_t;
 
+#pragma pack(push, 1)
 typedef struct {
   uint32_t Version;
 
@@ -508,6 +509,7 @@ typedef struct {
   uint32_t     MmHubPadding[7];
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
 
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 8bae3fe869cd..834d146c4991 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -904,9 +904,8 @@ static int smu_alloc_dummy_read_table(struct smu_context *smu)
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
 
-	dummy_read_1_table->size = 0x40000;
-	dummy_read_1_table->align = PAGE_SIZE;
-	dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
+	if (!dummy_read_1_table->size)
+		return 0;
 
 	ret = amdgpu_bo_create_kernel(adev,
 				      dummy_read_1_table->size,
@@ -2859,6 +2858,23 @@ static int smu_mode2_reset(void *handle)
 	return ret;
 }
 
+static int smu_enable_gfx_features(void *handle)
+{
+	struct smu_context *smu = handle;
+	int ret = 0;
+
+	if (!smu->pm_enabled)
+		return -EOPNOTSUPP;
+
+	if (smu->ppt_funcs->enable_gfx_features)
+		ret = smu->ppt_funcs->enable_gfx_features(smu);
+
+	if (ret)
+		dev_err(smu->adev->dev, "enable gfx features failed!\n");
+
+	return ret;
+}
+
 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
 						struct pp_smu_nv_clock_table *max_clocks)
 {
@@ -3043,6 +3059,7 @@ static const struct amd_pm_funcs swsmu_pm_funcs = {
 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
 	.asic_reset_mode_2                = smu_mode2_reset,
+	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
 	.set_df_cstate                    = smu_set_df_cstate,
 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 3bc4128a22ac..2a03d85bf4e2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -1201,6 +1201,8 @@ struct pptable_funcs {
 	 * IPs reset varies by asic.
 	 */
 	int (*mode2_reset)(struct smu_context *smu);
+	/* for gfx feature enablement after mode2 reset */
+	int (*enable_gfx_features)(struct smu_context *smu);
 
 	/**
 	 * @get_dpm_ultimate_freq: Get the hard frequency range of a clock
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_arcturus.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_arcturus.h
index 43d43d6addc0..d518dee18e1b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_arcturus.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_arcturus.h
@@ -464,6 +464,7 @@ typedef struct {
   uint16_t       Padding16;
 } DpmDescriptor_t;
 
+#pragma pack(push, 1)
 typedef struct {
   uint32_t Version;
 
@@ -733,6 +734,7 @@ typedef struct {
   uint32_t     MmHubPadding[8]; // SMU internal use
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   // Time constant parameters for clock averages in ms
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_navi10.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_navi10.h
index 04752ade1016..c5c1943fb6a1 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_navi10.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_navi10.h
@@ -515,6 +515,7 @@ typedef struct {
   uint32_t BoardLevelEnergyAccumulator;  
 } OutOfBandMonitor_t;
 
+#pragma pack(push, 1)
 typedef struct {
   uint32_t Version;
 
@@ -814,6 +815,7 @@ typedef struct {
   uint32_t     MmHubPadding[8]; // SMU internal use
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   // Time constant parameters for clock averages in ms
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
index 351a4af429b3..aa6d29de4002 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu11_driver_if_sienna_cichlid.h
@@ -599,6 +599,7 @@ typedef struct {
   uint16_t Fmax;
 } UclkDpmChangeRange_t;
 
+#pragma pack(push, 1)
 typedef struct {
   // MAJOR SECTION: SKU PARAMETERS
 
@@ -957,6 +958,7 @@ typedef struct {
   uint32_t     MmHubPadding[8]; // SMU internal use
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   // MAJOR SECTION: SKU PARAMETERS
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_aldebaran.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_aldebaran.h
index 7a6075daa7b2..90200f31ff52 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_aldebaran.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_aldebaran.h
@@ -267,6 +267,7 @@ typedef struct {
   QuadraticInt_t SsCurve;             // Slow-slow curve (GHz->V)
 } DpmDescriptor_t;
 
+#pragma pack(push, 1)
 typedef struct {
   uint32_t Version;
 
@@ -448,6 +449,7 @@ typedef struct {
   uint32_t reserved[14];
 
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   // Time constant parameters for clock averages in ms
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_0.h
index d6b964cf73bd..b686fb68a6e7 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_0.h
@@ -123,7 +123,8 @@
 									(1 << FEATURE_DS_FCLK_BIT) | \
 									(1 << FEATURE_DS_LCLK_BIT) | \
 									(1 << FEATURE_DS_DCFCLK_BIT) | \
-									(1 << FEATURE_DS_UCLK_BIT))
+									(1 << FEATURE_DS_UCLK_BIT) | \
+									(1ULL << FEATURE_DS_VCN_BIT))
 
 //For use with feature control messages
 typedef enum {
@@ -522,9 +523,9 @@ typedef enum  {
   TEMP_HOTSPOT_M,
   TEMP_MEM,
   TEMP_VR_GFX,
-  TEMP_VR_SOC,
   TEMP_VR_MEM0,
   TEMP_VR_MEM1,
+  TEMP_VR_SOC,
   TEMP_VR_U,
   TEMP_LIQUID0,
   TEMP_LIQUID1,
@@ -1346,10 +1347,12 @@ typedef struct {
   uint32_t     MmHubPadding[8];
 } BoardTable_t;
 
+#pragma pack(push, 1)
 typedef struct {
   SkuTable_t SkuTable;
   BoardTable_t BoardTable;
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   // Time constant parameters for clock averages in ms
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_7.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_7.h
index d6b13933a98f..4c46a0392451 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_7.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_7.h
@@ -113,20 +113,21 @@
 #define NUM_FEATURES                          64
 
 #define ALLOWED_FEATURE_CTRL_DEFAULT 0xFFFFFFFFFFFFFFFFULL
-#define ALLOWED_FEATURE_CTRL_SCPM        (1 << FEATURE_DPM_GFXCLK_BIT) | \
-                                         (1 << FEATURE_DPM_GFX_POWER_OPTIMIZER_BIT) | \
-                                         (1 << FEATURE_DPM_UCLK_BIT) | \
-                                         (1 << FEATURE_DPM_FCLK_BIT) | \
-                                         (1 << FEATURE_DPM_SOCCLK_BIT) | \
-                                         (1 << FEATURE_DPM_MP0CLK_BIT) | \
-                                         (1 << FEATURE_DPM_LINK_BIT) | \
-                                         (1 << FEATURE_DPM_DCN_BIT) | \
-                                         (1 << FEATURE_DS_GFXCLK_BIT) | \
-                                         (1 << FEATURE_DS_SOCCLK_BIT) | \
-                                         (1 << FEATURE_DS_FCLK_BIT) | \
-                                         (1 << FEATURE_DS_LCLK_BIT) | \
-                                         (1 << FEATURE_DS_DCFCLK_BIT) | \
-                                         (1 << FEATURE_DS_UCLK_BIT)
+#define ALLOWED_FEATURE_CTRL_SCPM	((1 << FEATURE_DPM_GFXCLK_BIT) | \
+					(1 << FEATURE_DPM_GFX_POWER_OPTIMIZER_BIT) | \
+					(1 << FEATURE_DPM_UCLK_BIT) | \
+					(1 << FEATURE_DPM_FCLK_BIT) | \
+					(1 << FEATURE_DPM_SOCCLK_BIT) | \
+					(1 << FEATURE_DPM_MP0CLK_BIT) | \
+					(1 << FEATURE_DPM_LINK_BIT) | \
+					(1 << FEATURE_DPM_DCN_BIT) | \
+					(1 << FEATURE_DS_GFXCLK_BIT) | \
+					(1 << FEATURE_DS_SOCCLK_BIT) | \
+					(1 << FEATURE_DS_FCLK_BIT) | \
+					(1 << FEATURE_DS_LCLK_BIT) | \
+					(1 << FEATURE_DS_DCFCLK_BIT) | \
+					(1 << FEATURE_DS_UCLK_BIT) | \
+					(1ULL << FEATURE_DS_VCN_BIT))
 
 //For use with feature control messages
 typedef enum {
@@ -1379,10 +1380,12 @@ typedef struct {
   uint32_t     MmHubPadding[8];
 } BoardTable_t;
 
+#pragma pack(push, 1)
 typedef struct {
   SkuTable_t SkuTable;
   BoardTable_t BoardTable;
 } PPTable_t;
+#pragma pack(pop)
 
 typedef struct {
   // Time constant parameters for clock averages in ms
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h
index 8b8266890a10..10cff75b44d5 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h
@@ -94,6 +94,7 @@
 //Resets
 #define PPSMC_MSG_PrepareMp1ForUnload            0x2E
 #define PPSMC_MSG_Mode1Reset                     0x2F
+#define PPSMC_MSG_Mode2Reset					 0x4F
 
 //Set SystemVirtual DramAddrHigh
 #define PPSMC_MSG_SetSystemVirtualDramAddrHigh   0x30
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
index 4180c71d930f..96f6c2db955b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
@@ -242,7 +242,8 @@
 	__SMU_DUMMY_MAP(LogGfxOffResidency),			\
 	__SMU_DUMMY_MAP(SetNumBadMemoryPagesRetired),		\
 	__SMU_DUMMY_MAP(SetBadMemoryPagesRetiredFlagsPerChannel), \
-	__SMU_DUMMY_MAP(AllowGpo),
+	__SMU_DUMMY_MAP(AllowGpo),	\
+	__SMU_DUMMY_MAP(Mode2Reset),
 
 #undef __SMU_DUMMY_MAP
 #define __SMU_DUMMY_MAP(type)	SMU_MSG_##type
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
index 913d3a8d7e2f..1c0ae2cb757b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
@@ -28,11 +28,11 @@
 #define SMU13_DRIVER_IF_VERSION_INV 0xFFFFFFFF
 #define SMU13_DRIVER_IF_VERSION_YELLOW_CARP 0x04
 #define SMU13_DRIVER_IF_VERSION_ALDE 0x08
-#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_0_0 0x34
+#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_0_0 0x37
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_4 0x07
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_5 0x04
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_0_10 0x32
-#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_7 0x35
+#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_7 0x37
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_10 0x1D
 
 #define SMU13_MODE1_RESET_WAIT_TIME_IN_MS 500  //500ms
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index 0bcd4fe0ef17..95da6dd1cc65 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -494,6 +494,8 @@ static int navi10_tables_init(struct smu_context *smu)
 {
 	struct smu_table_context *smu_table = &smu->smu_table;
 	struct smu_table *tables = smu_table->tables;
+	struct smu_table *dummy_read_1_table =
+			&smu_table->dummy_read_1_table;
 
 	SMU_TABLE_INIT(tables, SMU_TABLE_PPTABLE, sizeof(PPTable_t),
 		       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
@@ -513,6 +515,10 @@ static int navi10_tables_init(struct smu_context *smu)
 	SMU_TABLE_INIT(tables, SMU_TABLE_DRIVER_SMU_CONFIG, sizeof(DriverSmuConfig_t),
 		       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
 
+	dummy_read_1_table->size = 0x40000;
+	dummy_read_1_table->align = PAGE_SIZE;
+	dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
+
 	smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_NV1X_t),
 					   GFP_KERNEL);
 	if (!smu_table->metrics_table)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index f89ce6575b15..7c906ab3ddd2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -138,6 +138,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] =
 	MSG_MAP(GetPptLimit,			PPSMC_MSG_GetPptLimit,                 0),
 	MSG_MAP(NotifyPowerSource,		PPSMC_MSG_NotifyPowerSource,           0),
 	MSG_MAP(Mode1Reset,			PPSMC_MSG_Mode1Reset,                  0),
+	MSG_MAP(Mode2Reset,			PPSMC_MSG_Mode2Reset,	       		   0),
 	MSG_MAP(PrepareMp1ForUnload,		PPSMC_MSG_PrepareMp1ForUnload,         0),
 	MSG_MAP(DFCstateControl,		PPSMC_MSG_SetExternalClientDfCstateAllow, 0),
 	MSG_MAP(ArmD3,				PPSMC_MSG_ArmD3,                       0),
@@ -408,6 +409,9 @@ static int smu_v13_0_0_setup_pptable(struct smu_context *smu)
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
 
+	if (amdgpu_sriov_vf(smu->adev))
+		return 0;
+
 	ret = smu_v13_0_0_get_pptable_from_pmfw(smu,
 						&smu_table->power_play_table,
 						&smu_table->power_play_table_size);
@@ -1258,6 +1262,9 @@ static int smu_v13_0_0_get_thermal_temperature_range(struct smu_context *smu,
 		table_context->power_play_table;
 	PPTable_t *pptable = smu->smu_table.driver_pptable;
 
+	if (amdgpu_sriov_vf(smu->adev))
+		return 0;
+
 	if (!range)
 		return -EINVAL;
 
@@ -1957,6 +1964,30 @@ static int smu_v13_0_0_mode1_reset(struct smu_context *smu)
 	return ret;
 }
 
+static int smu_v13_0_0_mode2_reset(struct smu_context *smu)
+{
+	int ret;
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
+		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_Mode2Reset, NULL);
+	else
+		return -EOPNOTSUPP;
+
+	return ret;
+}
+
+static int smu_v13_0_0_enable_gfx_features(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
+		return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnableAllSmuFeatures,
+										   FEATURE_PWR_GFX, NULL);
+	else
+		return -EOPNOTSUPP;
+}
+
 static void smu_v13_0_0_set_smu_mailbox_registers(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
@@ -2072,6 +2103,8 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
 	.baco_exit = smu_v13_0_0_baco_exit,
 	.mode1_reset_is_support = smu_v13_0_0_is_mode1_reset_supported,
 	.mode1_reset = smu_v13_0_0_mode1_reset,
+	.mode2_reset = smu_v13_0_0_mode2_reset,
+	.enable_gfx_features = smu_v13_0_0_enable_gfx_features,
 	.set_mp1_state = smu_v13_0_0_set_mp1_state,
 	.set_df_cstate = smu_v13_0_0_set_df_cstate,
 	.send_hbm_bad_pages_num = smu_v13_0_0_smu_send_bad_mem_page_num,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index e87db7e02e8a..9e1967d8049e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -124,6 +124,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_7_message_map[SMU_MSG_MAX_COUNT] =
 	MSG_MAP(DFCstateControl,		PPSMC_MSG_SetExternalClientDfCstateAllow, 0),
 	MSG_MAP(ArmD3,				PPSMC_MSG_ArmD3,                       0),
 	MSG_MAP(AllowGpo,			PPSMC_MSG_SetGpoAllow,           0),
+	MSG_MAP(GetPptLimit,			PPSMC_MSG_GetPptLimit,                 0),
 };
 
 static struct cmn2asic_mapping smu_v13_0_7_clk_map[SMU_CLK_COUNT] = {