drm/amdgpu: Add GMC 9.0 support (v2)

On SOC-15 parts, the GMC (Graphics Memory Controller) consists
of two hubs: GFX (graphics and compute) and MM (sdma, uvd, vce).

v2: drop sdma from Makefile, fix duplicate return statement.

Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

10 files changed, 2013 insertions, 7 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 4ae5ddc9ac69..ccbc4c0f5b42 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -39,7 +39,8 @@ amdgpu-y += \
 # add GMC block
 amdgpu-y += \
 	gmc_v7_0.o \
-	gmc_v8_0.o
+	gmc_v8_0.o \
+	gfxhub_v1_0.o mmhub_v1_0.o gmc_v9_0.o
 
 # add IH block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index f990eecacb11..13ea68a81ac1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -121,6 +121,11 @@ extern int amdgpu_param_buf_per_se;
 /* max number of IP instances */
 #define AMDGPU_MAX_SDMA_INSTANCES		2
 
+/* max number of VMHUB */
+#define AMDGPU_MAX_VMHUBS			2
+#define AMDGPU_MMHUB				0
+#define AMDGPU_GFXHUB				1
+
 /* hardcode that limit for now */
 #define AMDGPU_VA_RESERVED_SIZE			(8 << 20)
 
@@ -308,6 +313,12 @@ struct amdgpu_gart_funcs {
 				     uint32_t flags);
 };
 
+/* provided by the mc block */
+struct amdgpu_mc_funcs {
+	/* adjust mc addr in fb for APU case */
+	u64 (*adjust_mc_addr)(struct amdgpu_device *adev, u64 addr);
+};
+
 /* provided by the ih block */
 struct amdgpu_ih_funcs {
 	/* ring read/write ptr handling, called from interrupt context */
@@ -557,6 +568,21 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
 int amdgpu_ttm_recover_gart(struct amdgpu_device *adev);
 
 /*
+ * VMHUB structures, functions & helpers
+ */
+struct amdgpu_vmhub {
+	uint32_t	ctx0_ptb_addr_lo32;
+	uint32_t	ctx0_ptb_addr_hi32;
+	uint32_t	vm_inv_eng0_req;
+	uint32_t	vm_inv_eng0_ack;
+	uint32_t	vm_context0_cntl;
+	uint32_t	vm_l2_pro_fault_status;
+	uint32_t	vm_l2_pro_fault_cntl;
+	uint32_t	(*get_invalidate_req)(unsigned int vm_id);
+	uint32_t	(*get_vm_protection_bits)(void);
+};
+
+/*
  * GPU MC structures, functions & helpers
  */
 struct amdgpu_mc {
@@ -589,6 +615,9 @@ struct amdgpu_mc {
 	u64					shared_aperture_end;
 	u64					private_aperture_start;
 	u64					private_aperture_end;
+	/* protects concurrent invalidation */
+	spinlock_t		invalidate_lock;
+	const struct amdgpu_mc_funcs *mc_funcs;
 };
 
 /*
@@ -1473,6 +1502,7 @@ struct amdgpu_device {
 	struct amdgpu_gart		gart;
 	struct amdgpu_dummy_page	dummy_page;
 	struct amdgpu_vm_manager	vm_manager;
+	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
 
 	/* memory management */
 	struct amdgpu_mman		mman;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 2d9ec9cac447..3d6b9a904350 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -447,6 +447,16 @@ static bool amdgpu_vm_ring_has_compute_vm_bug(struct amdgpu_ring *ring)
 	return false;
 }
 
+static u64 amdgpu_vm_adjust_mc_addr(struct amdgpu_device *adev, u64 mc_addr)
+{
+	u64 addr = mc_addr;
+
+	if (adev->mc.mc_funcs && adev->mc.mc_funcs->adjust_mc_addr)
+		addr = adev->mc.mc_funcs->adjust_mc_addr(adev, addr);
+
+	return addr;
+}
+
 /**
  * amdgpu_vm_flush - hardware flush the vm
  *
@@ -477,9 +487,10 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job)
 	if (ring->funcs->emit_vm_flush && (job->vm_needs_flush ||
 	    amdgpu_vm_is_gpu_reset(adev, id))) {
 		struct dma_fence *fence;
+		u64 pd_addr = amdgpu_vm_adjust_mc_addr(adev, job->vm_pd_addr);
 
-		trace_amdgpu_vm_flush(job->vm_pd_addr, ring->idx, job->vm_id);
-		amdgpu_ring_emit_vm_flush(ring, job->vm_id, job->vm_pd_addr);
+		trace_amdgpu_vm_flush(pd_addr, ring->idx, job->vm_id);
+		amdgpu_ring_emit_vm_flush(ring, job->vm_id, pd_addr);
 
 		r = amdgpu_fence_emit(ring, &fence);
 		if (r)
@@ -715,15 +726,18 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
 		    (count == AMDGPU_VM_MAX_UPDATE_SIZE)) {
 
 			if (count) {
+				uint64_t pt_addr =
+					amdgpu_vm_adjust_mc_addr(adev, last_pt);
+
 				if (shadow)
 					amdgpu_vm_do_set_ptes(&params,
 							      last_shadow,
-							      last_pt, count,
+							      pt_addr, count,
 							      incr,
 							      AMDGPU_PTE_VALID);
 
 				amdgpu_vm_do_set_ptes(&params, last_pde,
-						      last_pt, count, incr,
+						      pt_addr, count, incr,
 						      AMDGPU_PTE_VALID);
 			}
 
@@ -737,11 +751,13 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
 	}
 
 	if (count) {
+		uint64_t pt_addr = amdgpu_vm_adjust_mc_addr(adev, last_pt);
+
 		if (vm->page_directory->shadow)
-			amdgpu_vm_do_set_ptes(&params, last_shadow, last_pt,
+			amdgpu_vm_do_set_ptes(&params, last_shadow, pt_addr,
 					      count, incr, AMDGPU_PTE_VALID);
 
-		amdgpu_vm_do_set_ptes(&params, last_pde, last_pt,
+		amdgpu_vm_do_set_ptes(&params, last_pde, pt_addr,
 				      count, incr, AMDGPU_PTE_VALID);
 	}
 
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
new file mode 100644
index 000000000000..1ff019cda42d
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -0,0 +1,447 @@
+/*
+ * Copyright 2016 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 "amdgpu.h"
+#include "gfxhub_v1_0.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/GC/gc_9_0_offset.h"
+#include "vega10/GC/gc_9_0_sh_mask.h"
+#include "vega10/GC/gc_9_0_default.h"
+#include "vega10/vega10_enum.h"
+
+#include "soc15_common.h"
+
+int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	u64 value;
+	u32 i;
+
+	/* Program MC. */
+	/* Update configuration */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
+		adev->mc.vram_start >> 18);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
+		adev->mc.vram_end >> 18);
+
+	value = adev->vram_scratch.gpu_addr - adev->mc.vram_start
+		+ adev->vm_manager.vram_base_offset;
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
+				(u32)(value >> 12));
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
+				(u32)(value >> 44));
+
+	/* Disable AGP. */
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BASE), 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_TOP), 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BOT), 0xFFFFFFFF);
+
+	/* GART Enable. */
+
+	/* Setup TLB control */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL));
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				SYSTEM_ACCESS_MODE,
+				3);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ENABLE_ADVANCED_DRIVER_MODEL,
+				1);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				SYSTEM_APERTURE_UNMAPPED_ACCESS,
+				0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ECO_BITS,
+				0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				MTYPE,
+				MTYPE_UC);/* XXX for emulation. */
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ATC_EN,
+				1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
+
+	/* Setup L2 cache */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				ENABLE_L2_FRAGMENT_PROCESSING,
+				0);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				L2_PDE0_CACHE_TAG_GENERATION_MODE,
+				0);/* XXX for emulation, Refer to closed source code.*/
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				CONTEXT1_IDENTITY_ACCESS_MODE,
+				1);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				IDENTITY_MODE_FRAGMENT_SIZE,
+				0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp);
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL2));
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL2), tmp);
+
+	tmp = mmVM_L2_CNTL3_DEFAULT;
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL3), tmp);
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL4));
+	tmp = REG_SET_FIELD(tmp,
+			    VM_L2_CNTL4,
+			    VMC_TAP_PDE_REQUEST_PHYSICAL,
+			    0);
+	tmp = REG_SET_FIELD(tmp,
+			    VM_L2_CNTL4,
+			    VMC_TAP_PTE_REQUEST_PHYSICAL,
+			    0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL4), tmp);
+
+	/* setup context0 */
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
+		(u32)(adev->mc.gtt_start >> 12));
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
+		(u32)(adev->mc.gtt_start >> 44));
+
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
+		(u32)(adev->mc.gtt_end >> 12));
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
+		(u32)(adev->mc.gtt_end >> 44));
+
+	BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
+	value = adev->gart.table_addr - adev->mc.vram_start
+		+ adev->vm_manager.vram_base_offset;
+	value &= 0x0000FFFFFFFFF000ULL;
+	value |= 0x1; /*valid bit*/
+
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
+		(u32)value);
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
+		(u32)(value >> 32));
+
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
+		(u32)(adev->dummy_page.addr >> 12));
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+				mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
+		(u32)(adev->dummy_page.addr >> 44));
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2));
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
+			    ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
+			    1);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
+
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
+	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL), tmp);
+
+	/* Disable identity aperture.*/
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0,
+		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
+
+	for (i = 0; i <= 14; i++) {
+		tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL) + i);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				PAGE_TABLE_BLOCK_SIZE,
+				    amdgpu_vm_block_size - 9);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL) + i, tmp);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
+				adev->vm_manager.max_pfn - 1);
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0);
+	}
+
+
+	return 0;
+}
+
+void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	u32 i;
+
+	/* Disable all tables */
+	for (i = 0; i < 16; i++)
+		WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL) + i, 0);
+
+	/* Setup TLB control */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL));
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ENABLE_ADVANCED_DRIVER_MODEL,
+				0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
+
+	/* Setup L2 cache */
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL3), 0);
+}
+
+/**
+ * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling
+ *
+ * @adev: amdgpu_device pointer
+ * @value: true redirects VM faults to the default page
+ */
+void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
+					  bool value)
+{
+	u32 tmp;
+	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp,
+			VM_L2_PROTECTION_FAULT_CNTL,
+			TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
+			value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
+}
+
+static uint32_t gfxhub_v1_0_get_invalidate_req(unsigned int vm_id)
+{
+	u32 req = 0;
+
+	/* invalidate using legacy mode on vm_id*/
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
+			    PER_VMID_INVALIDATE_REQ, 1 << vm_id);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
+			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);
+
+	return req;
+}
+
+static uint32_t gfxhub_v1_0_get_vm_protection_bits(void)
+{
+	return (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
+}
+
+static int gfxhub_v1_0_early_init(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_late_init(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_sw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB];
+
+	hub->ctx0_ptb_addr_lo32 =
+		SOC15_REG_OFFSET(GC, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+	hub->ctx0_ptb_addr_hi32 =
+		SOC15_REG_OFFSET(GC, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+	hub->vm_inv_eng0_req =
+		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
+	hub->vm_inv_eng0_ack =
+		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
+	hub->vm_context0_cntl =
+		SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
+	hub->vm_l2_pro_fault_status =
+		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
+	hub->vm_l2_pro_fault_cntl =
+		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
+
+	hub->get_invalidate_req = gfxhub_v1_0_get_invalidate_req;
+	hub->get_vm_protection_bits = gfxhub_v1_0_get_vm_protection_bits;
+
+	return 0;
+}
+
+static int gfxhub_v1_0_sw_fini(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_hw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	unsigned i;
+
+	for (i = 0 ; i < 18; ++i) {
+		WREG32(SOC15_REG_OFFSET(GC, 0,
+					mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
+		       2 * i, 0xffffffff);
+		WREG32(SOC15_REG_OFFSET(GC, 0,
+					mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
+		       2 * i, 0x1f);
+	}
+
+	return 0;
+}
+
+static int gfxhub_v1_0_hw_fini(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_suspend(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_resume(void *handle)
+{
+	return 0;
+}
+
+static bool gfxhub_v1_0_is_idle(void *handle)
+{
+	return true;
+}
+
+static int gfxhub_v1_0_wait_for_idle(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_soft_reset(void *handle)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_set_clockgating_state(void *handle,
+					  enum amd_clockgating_state state)
+{
+	return 0;
+}
+
+static int gfxhub_v1_0_set_powergating_state(void *handle,
+					  enum amd_powergating_state state)
+{
+	return 0;
+}
+
+const struct amd_ip_funcs gfxhub_v1_0_ip_funcs = {
+	.name = "gfxhub_v1_0",
+	.early_init = gfxhub_v1_0_early_init,
+	.late_init = gfxhub_v1_0_late_init,
+	.sw_init = gfxhub_v1_0_sw_init,
+	.sw_fini = gfxhub_v1_0_sw_fini,
+	.hw_init = gfxhub_v1_0_hw_init,
+	.hw_fini = gfxhub_v1_0_hw_fini,
+	.suspend = gfxhub_v1_0_suspend,
+	.resume = gfxhub_v1_0_resume,
+	.is_idle = gfxhub_v1_0_is_idle,
+	.wait_for_idle = gfxhub_v1_0_wait_for_idle,
+	.soft_reset = gfxhub_v1_0_soft_reset,
+	.set_clockgating_state = gfxhub_v1_0_set_clockgating_state,
+	.set_powergating_state = gfxhub_v1_0_set_powergating_state,
+};
+
+const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_GFXHUB,
+	.major = 1,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &gfxhub_v1_0_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
new file mode 100644
index 000000000000..5129a8ff0932
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2016 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 __GFXHUB_V1_0_H__
+#define __GFXHUB_V1_0_H__
+
+int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev);
+void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev);
+void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
+					  bool value);
+
+extern const struct amd_ip_funcs gfxhub_v1_0_ip_funcs;
+extern const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block;
+
+#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
new file mode 100644
index 000000000000..c069db71afae
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -0,0 +1,825 @@
+/*
+ * Copyright 2016 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 <linux/firmware.h>
+#include "amdgpu.h"
+#include "gmc_v9_0.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/HDP/hdp_4_0_offset.h"
+#include "vega10/HDP/hdp_4_0_sh_mask.h"
+#include "vega10/GC/gc_9_0_sh_mask.h"
+#include "vega10/vega10_enum.h"
+
+#include "soc15_common.h"
+
+#include "nbio_v6_1.h"
+#include "gfxhub_v1_0.h"
+#include "mmhub_v1_0.h"
+
+#define mmDF_CS_AON0_DramBaseAddress0                                                                  0x0044
+#define mmDF_CS_AON0_DramBaseAddress0_BASE_IDX                                                         0
+//DF_CS_AON0_DramBaseAddress0
+#define DF_CS_AON0_DramBaseAddress0__AddrRngVal__SHIFT                                                        0x0
+#define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn__SHIFT                                                    0x1
+#define DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT                                                      0x4
+#define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel__SHIFT                                                      0x8
+#define DF_CS_AON0_DramBaseAddress0__DramBaseAddr__SHIFT                                                      0xc
+#define DF_CS_AON0_DramBaseAddress0__AddrRngVal_MASK                                                          0x00000001L
+#define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn_MASK                                                      0x00000002L
+#define DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK                                                        0x000000F0L
+#define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel_MASK                                                        0x00000700L
+#define DF_CS_AON0_DramBaseAddress0__DramBaseAddr_MASK                                                        0xFFFFF000L
+
+/* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/
+#define AMDGPU_NUM_OF_VMIDS			8
+
+static const u32 golden_settings_vega10_hdp[] =
+{
+	0xf64, 0x0fffffff, 0x00000000,
+	0xf65, 0x0fffffff, 0x00000000,
+	0xf66, 0x0fffffff, 0x00000000,
+	0xf67, 0x0fffffff, 0x00000000,
+	0xf68, 0x0fffffff, 0x00000000,
+	0xf6a, 0x0fffffff, 0x00000000,
+	0xf6b, 0x0fffffff, 0x00000000,
+	0xf6c, 0x0fffffff, 0x00000000,
+	0xf6d, 0x0fffffff, 0x00000000,
+	0xf6e, 0x0fffffff, 0x00000000,
+};
+
+static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
+					struct amdgpu_irq_src *src,
+					unsigned type,
+					enum amdgpu_interrupt_state state)
+{
+	struct amdgpu_vmhub *hub;
+	u32 tmp, reg, bits, i;
+
+	switch (state) {
+	case AMDGPU_IRQ_STATE_DISABLE:
+		/* MM HUB */
+		hub = &adev->vmhub[AMDGPU_MMHUB];
+		bits = hub->get_vm_protection_bits();
+		for (i = 0; i< 16; i++) {
+			reg = hub->vm_context0_cntl + i;
+			tmp = RREG32(reg);
+			tmp &= ~bits;
+			WREG32(reg, tmp);
+		}
+
+		/* GFX HUB */
+		hub = &adev->vmhub[AMDGPU_GFXHUB];
+		bits = hub->get_vm_protection_bits();
+		for (i = 0; i < 16; i++) {
+			reg = hub->vm_context0_cntl + i;
+			tmp = RREG32(reg);
+			tmp &= ~bits;
+			WREG32(reg, tmp);
+		}
+		break;
+	case AMDGPU_IRQ_STATE_ENABLE:
+		/* MM HUB */
+		hub = &adev->vmhub[AMDGPU_MMHUB];
+		bits = hub->get_vm_protection_bits();
+		for (i = 0; i< 16; i++) {
+			reg = hub->vm_context0_cntl + i;
+			tmp = RREG32(reg);
+			tmp |= bits;
+			WREG32(reg, tmp);
+		}
+
+		/* GFX HUB */
+		hub = &adev->vmhub[AMDGPU_GFXHUB];
+		bits = hub->get_vm_protection_bits();
+		for (i = 0; i < 16; i++) {
+			reg = hub->vm_context0_cntl + i;
+			tmp = RREG32(reg);
+			tmp |= bits;
+			WREG32(reg, tmp);
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
+				struct amdgpu_irq_src *source,
+				struct amdgpu_iv_entry *entry)
+{
+	struct amdgpu_vmhub *gfxhub = &adev->vmhub[AMDGPU_GFXHUB];
+	struct amdgpu_vmhub *mmhub = &adev->vmhub[AMDGPU_MMHUB];
+	uint32_t status;
+	u64 addr;
+
+	addr = (u64)entry->src_data[0] << 12;
+	addr |= ((u64)entry->src_data[1] & 0xf) << 44;
+
+	if (entry->vm_id_src) {
+		status = RREG32(mmhub->vm_l2_pro_fault_status);
+		WREG32_P(mmhub->vm_l2_pro_fault_cntl, 1, ~1);
+	} else {
+		status = RREG32(gfxhub->vm_l2_pro_fault_status);
+		WREG32_P(gfxhub->vm_l2_pro_fault_cntl, 1, ~1);
+	}
+
+	DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u) "
+		  "at page 0x%016llx from %d\n"
+		  "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
+		  entry->vm_id_src ? "mmhub" : "gfxhub",
+		  entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id,
+		  addr, entry->client_id, status);
+
+	return 0;
+}
+
+static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
+	.set = gmc_v9_0_vm_fault_interrupt_state,
+	.process = gmc_v9_0_process_interrupt,
+};
+
+static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+	adev->mc.vm_fault.num_types = 1;
+	adev->mc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
+}
+
+/*
+ * GART
+ * VMID 0 is the physical GPU addresses as used by the kernel.
+ * VMIDs 1-15 are used for userspace clients and are handled
+ * by the amdgpu vm/hsa code.
+ */
+
+/**
+ * gmc_v9_0_gart_flush_gpu_tlb - gart tlb flush callback
+ *
+ * @adev: amdgpu_device pointer
+ * @vmid: vm instance to flush
+ *
+ * Flush the TLB for the requested page table.
+ */
+static void gmc_v9_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
+					uint32_t vmid)
+{
+	/* Use register 17 for GART */
+	const unsigned eng = 17;
+	unsigned i, j;
+
+	/* flush hdp cache */
+	nbio_v6_1_hdp_flush(adev);
+
+	spin_lock(&adev->mc.invalidate_lock);
+
+	for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
+		struct amdgpu_vmhub *hub = &adev->vmhub[i];
+		u32 tmp = hub->get_invalidate_req(vmid);
+
+		WREG32(hub->vm_inv_eng0_req + eng, tmp);
+
+		/* Busy wait for ACK.*/
+		for (j = 0; j < 100; j++) {
+			tmp = RREG32(hub->vm_inv_eng0_ack + eng);
+			tmp &= 1 << vmid;
+			if (tmp)
+				break;
+			cpu_relax();
+		}
+		if (j < 100)
+			continue;
+
+		/* Wait for ACK with a delay.*/
+		for (j = 0; j < adev->usec_timeout; j++) {
+			tmp = RREG32(hub->vm_inv_eng0_ack + eng);
+			tmp &= 1 << vmid;
+			if (tmp)
+				break;
+			udelay(1);
+		}
+		if (j < adev->usec_timeout)
+			continue;
+
+		DRM_ERROR("Timeout waiting for VM flush ACK!\n");
+	}
+
+	spin_unlock(&adev->mc.invalidate_lock);
+}
+
+/**
+ * gmc_v9_0_gart_set_pte_pde - update the page tables using MMIO
+ *
+ * @adev: amdgpu_device pointer
+ * @cpu_pt_addr: cpu address of the page table
+ * @gpu_page_idx: entry in the page table to update
+ * @addr: dst addr to write into pte/pde
+ * @flags: access flags
+ *
+ * Update the page tables using the CPU.
+ */
+static int gmc_v9_0_gart_set_pte_pde(struct amdgpu_device *adev,
+					void *cpu_pt_addr,
+					uint32_t gpu_page_idx,
+					uint64_t addr,
+					uint64_t flags)
+{
+	void __iomem *ptr = (void *)cpu_pt_addr;
+	uint64_t value;
+
+	/*
+	 * PTE format on VEGA 10:
+	 * 63:59 reserved
+	 * 58:57 mtype
+	 * 56 F
+	 * 55 L
+	 * 54 P
+	 * 53 SW
+	 * 52 T
+	 * 50:48 reserved
+	 * 47:12 4k physical page base address
+	 * 11:7 fragment
+	 * 6 write
+	 * 5 read
+	 * 4 exe
+	 * 3 Z
+	 * 2 snooped
+	 * 1 system
+	 * 0 valid
+	 *
+	 * PDE format on VEGA 10:
+	 * 63:59 block fragment size
+	 * 58:55 reserved
+	 * 54 P
+	 * 53:48 reserved
+	 * 47:6 physical base address of PD or PTE
+	 * 5:3 reserved
+	 * 2 C
+	 * 1 system
+	 * 0 valid
+	 */
+
+	/*
+	 * The following is for PTE only. GART does not have PDEs.
+	*/
+	value = addr & 0x0000FFFFFFFFF000ULL;
+	value |= flags;
+	writeq(value, ptr + (gpu_page_idx * 8));
+	return 0;
+}
+
+static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev,
+						uint32_t flags)
+
+{
+	uint64_t pte_flag = 0;
+
+	if (flags & AMDGPU_VM_PAGE_EXECUTABLE)
+		pte_flag |= AMDGPU_PTE_EXECUTABLE;
+	if (flags & AMDGPU_VM_PAGE_READABLE)
+		pte_flag |= AMDGPU_PTE_READABLE;
+	if (flags & AMDGPU_VM_PAGE_WRITEABLE)
+		pte_flag |= AMDGPU_PTE_WRITEABLE;
+
+	switch (flags & AMDGPU_VM_MTYPE_MASK) {
+	case AMDGPU_VM_MTYPE_DEFAULT:
+		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC);
+		break;
+	case AMDGPU_VM_MTYPE_NC:
+		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC);
+		break;
+	case AMDGPU_VM_MTYPE_WC:
+		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_WC);
+		break;
+	case AMDGPU_VM_MTYPE_CC:
+		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_CC);
+		break;
+	case AMDGPU_VM_MTYPE_UC:
+		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_UC);
+		break;
+	default:
+		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC);
+		break;
+	}
+
+	if (flags & AMDGPU_VM_PAGE_PRT)
+		pte_flag |= AMDGPU_PTE_PRT;
+
+	return pte_flag;
+}
+
+static const struct amdgpu_gart_funcs gmc_v9_0_gart_funcs = {
+	.flush_gpu_tlb = gmc_v9_0_gart_flush_gpu_tlb,
+	.set_pte_pde = gmc_v9_0_gart_set_pte_pde,
+	.get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags
+};
+
+static void gmc_v9_0_set_gart_funcs(struct amdgpu_device *adev)
+{
+	if (adev->gart.gart_funcs == NULL)
+		adev->gart.gart_funcs = &gmc_v9_0_gart_funcs;
+}
+
+static u64 gmc_v9_0_adjust_mc_addr(struct amdgpu_device *adev, u64 mc_addr)
+{
+	return adev->vm_manager.vram_base_offset + mc_addr - adev->mc.vram_start;
+}
+
+static const struct amdgpu_mc_funcs gmc_v9_0_mc_funcs = {
+	.adjust_mc_addr = gmc_v9_0_adjust_mc_addr,
+};
+
+static void gmc_v9_0_set_mc_funcs(struct amdgpu_device *adev)
+{
+	adev->mc.mc_funcs = &gmc_v9_0_mc_funcs;
+}
+
+static int gmc_v9_0_early_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	gmc_v9_0_set_gart_funcs(adev);
+	gmc_v9_0_set_mc_funcs(adev);
+	gmc_v9_0_set_irq_funcs(adev);
+
+	return 0;
+}
+
+static int gmc_v9_0_late_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
+}
+
+static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
+					struct amdgpu_mc *mc)
+{
+	u64 base = mmhub_v1_0_get_fb_location(adev);
+	amdgpu_vram_location(adev, &adev->mc, base);
+	adev->mc.gtt_base_align = 0;
+	amdgpu_gtt_location(adev, mc);
+}
+
+/**
+ * gmc_v9_0_mc_init - initialize the memory controller driver params
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Look up the amount of vram, vram width, and decide how to place
+ * vram and gart within the GPU's physical address space.
+ * Returns 0 for success.
+ */
+static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	int chansize, numchan;
+
+	/* hbm memory channel size */
+	chansize = 128;
+
+	tmp = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_CS_AON0_DramBaseAddress0));
+	tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK;
+	tmp >>= DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT;
+	switch (tmp) {
+	case 0:
+	default:
+		numchan = 1;
+		break;
+	case 1:
+		numchan = 2;
+		break;
+	case 2:
+		numchan = 0;
+		break;
+	case 3:
+		numchan = 4;
+		break;
+	case 4:
+		numchan = 0;
+		break;
+	case 5:
+		numchan = 8;
+		break;
+	case 6:
+		numchan = 0;
+		break;
+	case 7:
+		numchan = 16;
+		break;
+	case 8:
+		numchan = 2;
+		break;
+	}
+	adev->mc.vram_width = numchan * chansize;
+
+	/* Could aper size report 0 ? */
+	adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
+	adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
+	/* size in MB on si */
+	adev->mc.mc_vram_size =
+		nbio_v6_1_get_memsize(adev) * 1024ULL * 1024ULL;
+	adev->mc.real_vram_size = adev->mc.mc_vram_size;
+	adev->mc.visible_vram_size = adev->mc.aper_size;
+
+	/* In case the PCI BAR is larger than the actual amount of vram */
+	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
+		adev->mc.visible_vram_size = adev->mc.real_vram_size;
+
+	/* unless the user had overridden it, set the gart
+	 * size equal to the 1024 or vram, whichever is larger.
+	 */
+	if (amdgpu_gart_size == -1)
+		adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
+	else
+		adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
+
+	gmc_v9_0_vram_gtt_location(adev, &adev->mc);
+
+	return 0;
+}
+
+static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
+{
+	int r;
+
+	if (adev->gart.robj) {
+		WARN(1, "VEGA10 PCIE GART already initialized\n");
+		return 0;
+	}
+	/* Initialize common gart structure */
+	r = amdgpu_gart_init(adev);
+	if (r)
+		return r;
+	adev->gart.table_size = adev->gart.num_gpu_pages * 8;
+	adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE(MTYPE_UC) |
+				 AMDGPU_PTE_EXECUTABLE;
+	return amdgpu_gart_table_vram_alloc(adev);
+}
+
+/*
+ * vm
+ * VMID 0 is the physical GPU addresses as used by the kernel.
+ * VMIDs 1-15 are used for userspace clients and are handled
+ * by the amdgpu vm/hsa code.
+ */
+/**
+ * gmc_v9_0_vm_init - vm init callback
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Inits vega10 specific vm parameters (number of VMs, base of vram for
+ * VMIDs 1-15) (vega10).
+ * Returns 0 for success.
+ */
+static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
+{
+	/*
+	 * number of VMs
+	 * VMID 0 is reserved for System
+	 * amdgpu graphics/compute will use VMIDs 1-7
+	 * amdkfd will use VMIDs 8-15
+	 */
+	adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
+	amdgpu_vm_manager_init(adev);
+
+	/* base offset of vram pages */
+	/*XXX This value is not zero for APU*/
+	adev->vm_manager.vram_base_offset = 0;
+
+	return 0;
+}
+
+/**
+ * gmc_v9_0_vm_fini - vm fini callback
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Tear down any asic specific VM setup.
+ */
+static void gmc_v9_0_vm_fini(struct amdgpu_device *adev)
+{
+	return;
+}
+
+static int gmc_v9_0_sw_init(void *handle)
+{
+	int r;
+	int dma_bits;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	spin_lock_init(&adev->mc.invalidate_lock);
+
+	if (adev->flags & AMD_IS_APU) {
+		adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
+	} else {
+		/* XXX Don't know how to get VRAM type yet. */
+		adev->mc.vram_type = AMDGPU_VRAM_TYPE_HBM;
+	}
+
+	/* This interrupt is VMC page fault.*/
+	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VMC, 0,
+				&adev->mc.vm_fault);
+
+	if (r)
+		return r;
+
+	/* Adjust VM size here.
+	 * Currently default to 64GB ((16 << 20) 4k pages).
+	 * Max GPUVM size is 48 bits.
+	 */
+	adev->vm_manager.max_pfn = amdgpu_vm_size << 18;
+
+	/* Set the internal MC address mask
+	 * This is the max address of the GPU's
+	 * internal address space.
+	 */
+	adev->mc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
+
+	/* set DMA mask + need_dma32 flags.
+	 * PCIE - can handle 44-bits.
+	 * IGP - can handle 44-bits
+	 * PCI - dma32 for legacy pci gart, 44 bits on vega10
+	 */
+	adev->need_dma32 = false;
+	dma_bits = adev->need_dma32 ? 32 : 44;
+	r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
+	if (r) {
+		adev->need_dma32 = true;
+		dma_bits = 32;
+		printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
+	}
+	r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
+	if (r) {
+		pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
+		printk(KERN_WARNING "amdgpu: No coherent DMA available.\n");
+	}
+
+	r = gmc_v9_0_mc_init(adev);
+	if (r)
+		return r;
+
+	/* Memory manager */
+	r = amdgpu_bo_init(adev);
+	if (r)
+		return r;
+
+	r = gmc_v9_0_gart_init(adev);
+	if (r)
+		return r;
+
+	if (!adev->vm_manager.enabled) {
+		r = gmc_v9_0_vm_init(adev);
+		if (r) {
+			dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
+			return r;
+		}
+		adev->vm_manager.enabled = true;
+	}
+	return r;
+}
+
+/**
+ * gmc_v8_0_gart_fini - vm fini callback
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Tears down the driver GART/VM setup (CIK).
+ */
+static void gmc_v9_0_gart_fini(struct amdgpu_device *adev)
+{
+	amdgpu_gart_table_vram_free(adev);
+	amdgpu_gart_fini(adev);
+}
+
+static int gmc_v9_0_sw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (adev->vm_manager.enabled) {
+		amdgpu_vm_manager_fini(adev);
+		gmc_v9_0_vm_fini(adev);
+		adev->vm_manager.enabled = false;
+	}
+	gmc_v9_0_gart_fini(adev);
+	amdgpu_gem_force_release(adev);
+	amdgpu_bo_fini(adev);
+
+	return 0;
+}
+
+static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
+{
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		break;
+	default:
+		break;
+	}
+}
+
+/**
+ * gmc_v9_0_gart_enable - gart enable
+ *
+ * @adev: amdgpu_device pointer
+ */
+static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
+{
+	int r;
+	bool value;
+	u32 tmp;
+
+	amdgpu_program_register_sequence(adev,
+		golden_settings_vega10_hdp,
+		(const u32)ARRAY_SIZE(golden_settings_vega10_hdp));
+
+	if (adev->gart.robj == NULL) {
+		dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
+		return -EINVAL;
+	}
+	r = amdgpu_gart_table_vram_pin(adev);
+	if (r)
+		return r;
+
+	/* After HDP is initialized, flush HDP.*/
+	nbio_v6_1_hdp_flush(adev);
+
+	r = gfxhub_v1_0_gart_enable(adev);
+	if (r)
+		return r;
+
+	r = mmhub_v1_0_gart_enable(adev);
+	if (r)
+		return r;
+
+	tmp = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MISC_CNTL));
+	tmp |= HDP_MISC_CNTL__FLUSH_INVALIDATE_CACHE_MASK;
+	WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MISC_CNTL), tmp);
+
+	tmp = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_HOST_PATH_CNTL));
+	WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_HOST_PATH_CNTL), tmp);
+
+
+	if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
+		value = false;
+	else
+		value = true;
+
+	gfxhub_v1_0_set_fault_enable_default(adev, value);
+	mmhub_v1_0_set_fault_enable_default(adev, value);
+
+	gmc_v9_0_gart_flush_gpu_tlb(adev, 0);
+
+	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
+		 (unsigned)(adev->mc.gtt_size >> 20),
+		 (unsigned long long)adev->gart.table_addr);
+	adev->gart.ready = true;
+	return 0;
+}
+
+static int gmc_v9_0_hw_init(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* The sequence of these two function calls matters.*/
+	gmc_v9_0_init_golden_registers(adev);
+
+	r = gmc_v9_0_gart_enable(adev);
+
+	return r;
+}
+
+/**
+ * gmc_v9_0_gart_disable - gart disable
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * This disables all VM page table.
+ */
+static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
+{
+	gfxhub_v1_0_gart_disable(adev);
+	mmhub_v1_0_gart_disable(adev);
+	amdgpu_gart_table_vram_unpin(adev);
+}
+
+static int gmc_v9_0_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
+	gmc_v9_0_gart_disable(adev);
+
+	return 0;
+}
+
+static int gmc_v9_0_suspend(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (adev->vm_manager.enabled) {
+		gmc_v9_0_vm_fini(adev);
+		adev->vm_manager.enabled = false;
+	}
+	gmc_v9_0_hw_fini(adev);
+
+	return 0;
+}
+
+static int gmc_v9_0_resume(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = gmc_v9_0_hw_init(adev);
+	if (r)
+		return r;
+
+	if (!adev->vm_manager.enabled) {
+		r = gmc_v9_0_vm_init(adev);
+		if (r) {
+			dev_err(adev->dev,
+				"vm manager initialization failed (%d).\n", r);
+			return r;
+		}
+		adev->vm_manager.enabled = true;
+	}
+
+	return r;
+}
+
+static bool gmc_v9_0_is_idle(void *handle)
+{
+	/* MC is always ready in GMC v9.*/
+	return true;
+}
+
+static int gmc_v9_0_wait_for_idle(void *handle)
+{
+	/* There is no need to wait for MC idle in GMC v9.*/
+	return 0;
+}
+
+static int gmc_v9_0_soft_reset(void *handle)
+{
+	/* XXX for emulation.*/
+	return 0;
+}
+
+static int gmc_v9_0_set_clockgating_state(void *handle,
+					enum amd_clockgating_state state)
+{
+	return 0;
+}
+
+static int gmc_v9_0_set_powergating_state(void *handle,
+					enum amd_powergating_state state)
+{
+	return 0;
+}
+
+const struct amd_ip_funcs gmc_v9_0_ip_funcs = {
+	.name = "gmc_v9_0",
+	.early_init = gmc_v9_0_early_init,
+	.late_init = gmc_v9_0_late_init,
+	.sw_init = gmc_v9_0_sw_init,
+	.sw_fini = gmc_v9_0_sw_fini,
+	.hw_init = gmc_v9_0_hw_init,
+	.hw_fini = gmc_v9_0_hw_fini,
+	.suspend = gmc_v9_0_suspend,
+	.resume = gmc_v9_0_resume,
+	.is_idle = gmc_v9_0_is_idle,
+	.wait_for_idle = gmc_v9_0_wait_for_idle,
+	.soft_reset = gmc_v9_0_soft_reset,
+	.set_clockgating_state = gmc_v9_0_set_clockgating_state,
+	.set_powergating_state = gmc_v9_0_set_powergating_state,
+};
+
+const struct amdgpu_ip_block_version gmc_v9_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_GMC,
+	.major = 9,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &gmc_v9_0_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h
new file mode 100644
index 000000000000..b030ca5ea107
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2016 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 __GMC_V9_0_H__
+#define __GMC_V9_0_H__
+
+extern const struct amd_ip_funcs gmc_v9_0_ip_funcs;
+extern const struct amdgpu_ip_block_version gmc_v9_0_ip_block;
+
+#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
new file mode 100644
index 000000000000..b1e0e6b796b8
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright 2016 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 "amdgpu.h"
+#include "mmhub_v1_0.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/MMHUB/mmhub_1_0_offset.h"
+#include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
+#include "vega10/MMHUB/mmhub_1_0_default.h"
+#include "vega10/ATHUB/athub_1_0_offset.h"
+#include "vega10/ATHUB/athub_1_0_sh_mask.h"
+#include "vega10/ATHUB/athub_1_0_default.h"
+#include "vega10/vega10_enum.h"
+
+#include "soc15_common.h"
+
+u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
+{
+	u64 base = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE));
+
+	base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
+	base <<= 24;
+
+	return base;
+}
+
+int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	u64 value;
+	uint64_t addr;
+	u32 i;
+
+	/* Program MC. */
+	/* Update configuration */
+	DRM_INFO("%s -- in\n", __func__);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
+		adev->mc.vram_start >> 18);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
+		adev->mc.vram_end >> 18);
+	value = adev->vram_scratch.gpu_addr - adev->mc.vram_start +
+		adev->vm_manager.vram_base_offset;
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
+				(u32)(value >> 12));
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
+				(u32)(value >> 44));
+
+	/* Disable AGP. */
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BASE), 0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_TOP), 0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BOT), 0x00FFFFFF);
+
+	/* GART Enable. */
+
+	/* Setup TLB control */
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				SYSTEM_ACCESS_MODE,
+				3);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ENABLE_ADVANCED_DRIVER_MODEL,
+				1);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				SYSTEM_APERTURE_UNMAPPED_ACCESS,
+				0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ECO_BITS,
+				0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				MTYPE,
+				MTYPE_UC);/* XXX for emulation. */
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ATC_EN,
+				1);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
+
+	/* Setup L2 cache */
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				ENABLE_L2_FRAGMENT_PROCESSING,
+				0);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				L2_PDE0_CACHE_TAG_GENERATION_MODE,
+				0);/* XXX for emulation, Refer to closed source code.*/
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				CONTEXT1_IDENTITY_ACCESS_MODE,
+				1);
+	tmp = REG_SET_FIELD(tmp,
+				VM_L2_CNTL,
+				IDENTITY_MODE_FRAGMENT_SIZE,
+				0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
+
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2));
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2), tmp);
+
+	tmp = mmVM_L2_CNTL3_DEFAULT;
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), tmp);
+
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4));
+	tmp = REG_SET_FIELD(tmp,
+			    VM_L2_CNTL4,
+			    VMC_TAP_PDE_REQUEST_PHYSICAL,
+			    0);
+	tmp = REG_SET_FIELD(tmp,
+			    VM_L2_CNTL4,
+			    VMC_TAP_PTE_REQUEST_PHYSICAL,
+			    0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp);
+
+	/* setup context0 */
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
+		(u32)(adev->mc.gtt_start >> 12));
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
+		(u32)(adev->mc.gtt_start >> 44));
+
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
+		(u32)(adev->mc.gtt_end >> 12));
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
+		(u32)(adev->mc.gtt_end >> 44));
+
+	BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
+	value = adev->gart.table_addr - adev->mc.vram_start +
+		adev->vm_manager.vram_base_offset;
+	value &= 0x0000FFFFFFFFF000ULL;
+	value |= 0x1; /* valid bit */
+
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
+		(u32)value);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
+		(u32)(value >> 32));
+
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
+		(u32)(adev->dummy_page.addr >> 12));
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+				mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
+		(u32)(adev->dummy_page.addr >> 44));
+
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2));
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
+			    ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
+			    1);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
+
+	addr = SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
+	tmp = RREG32(addr);
+
+	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
+	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL), tmp);
+
+	tmp = RREG32(addr);
+
+	/* Disable identity aperture.*/
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
+
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+		mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
+
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
+
+	for (i = 0; i <= 14; i++) {
+		tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL)
+				+ i);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				ENABLE_CONTEXT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				PAGE_TABLE_DEPTH, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				PAGE_TABLE_BLOCK_SIZE,
+				amdgpu_vm_block_size - 9);
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL) + i, tmp);
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
+				adev->vm_manager.max_pfn - 1);
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0);
+	}
+
+	return 0;
+}
+
+void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	u32 i;
+
+	/* Disable all tables */
+	for (i = 0; i < 16; i++)
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL) + i, 0);
+
+	/* Setup TLB control */
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ENABLE_ADVANCED_DRIVER_MODEL,
+				0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
+
+	/* Setup L2 cache */
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), 0);
+}
+
+/**
+ * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
+ *
+ * @adev: amdgpu_device pointer
+ * @value: true redirects VM faults to the default page
+ */
+void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
+{
+	u32 tmp;
+	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL));
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp,
+			VM_L2_PROTECTION_FAULT_CNTL,
+			TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
+			value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
+}
+
+static uint32_t mmhub_v1_0_get_invalidate_req(unsigned int vm_id)
+{
+	u32 req = 0;
+
+	/* invalidate using legacy mode on vm_id*/
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
+			    PER_VMID_INVALIDATE_REQ, 1 << vm_id);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
+	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
+			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);
+
+	return req;
+}
+
+static uint32_t mmhub_v1_0_get_vm_protection_bits(void)
+{
+	return (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+		    VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
+}
+
+static int mmhub_v1_0_early_init(void *handle)
+{
+	return 0;
+}
+
+static int mmhub_v1_0_late_init(void *handle)
+{
+	return 0;
+}
+
+static int mmhub_v1_0_sw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB];
+
+	hub->ctx0_ptb_addr_lo32 =
+		SOC15_REG_OFFSET(MMHUB, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+	hub->ctx0_ptb_addr_hi32 =
+		SOC15_REG_OFFSET(MMHUB, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+	hub->vm_inv_eng0_req =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
+	hub->vm_inv_eng0_ack =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
+	hub->vm_context0_cntl =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
+	hub->vm_l2_pro_fault_status =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
+	hub->vm_l2_pro_fault_cntl =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
+
+	hub->get_invalidate_req = mmhub_v1_0_get_invalidate_req;
+	hub->get_vm_protection_bits = mmhub_v1_0_get_vm_protection_bits;
+
+	return 0;
+}
+
+static int mmhub_v1_0_sw_fini(void *handle)
+{
+	return 0;
+}
+
+static int mmhub_v1_0_hw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	unsigned i;
+
+	for (i = 0; i < 18; ++i) {
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+					mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
+		       2 * i, 0xffffffff);
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+					mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
+		       2 * i, 0x1f);
+	}
+
+	return 0;
+}
+
+static int mmhub_v1_0_hw_fini(void *handle)
+{
+	return 0;
+}
+
+static int mmhub_v1_0_suspend(void *handle)
+{
+	return 0;
+}
+
+static int mmhub_v1_0_resume(void *handle)
+{
+	return 0;
+}
+
+static bool mmhub_v1_0_is_idle(void *handle)
+{
+	return true;
+}
+
+static int mmhub_v1_0_wait_for_idle(void *handle)
+{
+	return 0;
+}
+
+static int mmhub_v1_0_soft_reset(void *handle)
+{
+	return 0;
+}
+
+static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+							bool enable)
+{
+	uint32_t def, data, def1, data1, def2, data2;
+
+	def  = data  = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
+	def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2));
+	def2 = data2 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2));
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
+		data |= ATC_L2_MISC_CG__ENABLE_MASK;
+
+		data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+
+		data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+		           DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+		           DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+		           DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+		           DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+		           DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+	} else {
+		data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
+
+		data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+
+		data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+		          DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+		          DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+		          DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+		          DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+		          DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+	}
+
+	if (def != data)
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
+
+	if (def1 != data1)
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2), data1);
+
+	if (def2 != data2)
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2), data2);
+}
+
+static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+						   bool enable)
+{
+	uint32_t def, data;
+
+	def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
+		data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+	else
+		data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+
+	if (def != data)
+		WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
+}
+
+static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+						       bool enable)
+{
+	uint32_t def, data;
+
+	def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
+		data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+	else
+		data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+
+	if (def != data)
+		WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
+}
+
+static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+						  bool enable)
+{
+	uint32_t def, data;
+
+	def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
+	    (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
+		data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+	else
+		data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+
+	if(def != data)
+		WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
+}
+
+static int mmhub_v1_0_set_clockgating_state(void *handle,
+					enum amd_clockgating_state state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+		mmhub_v1_0_update_medium_grain_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		athub_update_medium_grain_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		mmhub_v1_0_update_medium_grain_light_sleep(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		athub_update_medium_grain_light_sleep(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mmhub_v1_0_set_powergating_state(void *handle,
+					enum amd_powergating_state state)
+{
+	return 0;
+}
+
+const struct amd_ip_funcs mmhub_v1_0_ip_funcs = {
+	.name = "mmhub_v1_0",
+	.early_init = mmhub_v1_0_early_init,
+	.late_init = mmhub_v1_0_late_init,
+	.sw_init = mmhub_v1_0_sw_init,
+	.sw_fini = mmhub_v1_0_sw_fini,
+	.hw_init = mmhub_v1_0_hw_init,
+	.hw_fini = mmhub_v1_0_hw_fini,
+	.suspend = mmhub_v1_0_suspend,
+	.resume = mmhub_v1_0_resume,
+	.is_idle = mmhub_v1_0_is_idle,
+	.wait_for_idle = mmhub_v1_0_wait_for_idle,
+	.soft_reset = mmhub_v1_0_soft_reset,
+	.set_clockgating_state = mmhub_v1_0_set_clockgating_state,
+	.set_powergating_state = mmhub_v1_0_set_powergating_state,
+};
+
+const struct amdgpu_ip_block_version mmhub_v1_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_MMHUB,
+	.major = 1,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &mmhub_v1_0_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
new file mode 100644
index 000000000000..aadedf99c028
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2016 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 __MMHUB_V1_0_H__
+#define __MMHUB_V1_0_H__
+
+u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev);
+int mmhub_v1_0_gart_enable(struct amdgpu_device *adev);
+void mmhub_v1_0_gart_disable(struct amdgpu_device *adev);
+void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
+					 bool value);
+
+extern const struct amd_ip_funcs mmhub_v1_0_ip_funcs;
+extern const struct amdgpu_ip_block_version mmhub_v1_0_ip_block;
+
+#endif
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 717d6bea7b52..a94420d680ec 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -74,6 +74,8 @@ enum amd_ip_block_type {
 	AMD_IP_BLOCK_TYPE_UVD,
 	AMD_IP_BLOCK_TYPE_VCE,
 	AMD_IP_BLOCK_TYPE_ACP,
+	AMD_IP_BLOCK_TYPE_GFXHUB,
+	AMD_IP_BLOCK_TYPE_MMHUB
 };
 
 enum amd_clockgating_state {