Merge tag 'amd-drm-next-6.9-2024-02-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.9-2024-02-09:

amdgpu:
- Validate DMABuf imports in compute VMs
- Add RAS ACA framework
- PSP 13 fixes
- Misc code cleanups
- Replay fixes
- Atom interpretor PS, WS bounds checking
- DML2 fixes
- Audio fixes
- DCN 3.5 Z state fixes
- Remove deprecated ida_simple usage
- UBSAN fixes
- RAS fixes
- Enable seq64 infrastructure
- DC color block enablement
- Documentation updates
- DC documentation updates
- DMCUB updates
- S3 fixes
- VCN 4.0.5 fixes
- DP MST fixes
- SR-IOV fixes

amdkfd:
- Validate DMABuf imports in compute VMs
- SVM fixes
- Trap handler updates

radeon:
- Atom interpretor PS, WS bounds checking
- Misc code cleanups

UAPI:
- Bump KFD version so UMDs know that the fixes that enable the management of
  VA mappings in compute VMs using the GEM_VA ioctl for DMABufs exported from KFD are present
- Add INFO query for input power.  This matches the existing INFO query for average
  power.  Used in gaming HUDs, etc.
  Example userspace: https://github.com/Umio-Yasuno/libdrm-amdgpu-sys-rs/tree/input_power

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240209221459.5453-1-alexander.deucher@amd.com

1 files changed, 36 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
index 11f7746f3a65..a3a769aad042 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
@@ -44,12 +44,45 @@
 void dpp30_read_state(struct dpp *dpp_base, struct dcn_dpp_state *s)
 {
 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
+	uint32_t gamcor_lut_mode, rgam_lut_mode;
 
 	REG_GET(DPP_CONTROL,
-			DPP_CLOCK_ENABLE, &s->is_enabled);
+		DPP_CLOCK_ENABLE, &s->is_enabled);
+
+	// Pre-degamma (ROM)
+	REG_GET_2(PRE_DEGAM,
+		  PRE_DEGAM_MODE, &s->pre_dgam_mode,
+		  PRE_DEGAM_SELECT, &s->pre_dgam_select);
+
+	// Gamma Correction (RAM)
+	REG_GET(CM_GAMCOR_CONTROL,
+		CM_GAMCOR_MODE_CURRENT, &s->gamcor_mode);
+	if (s->gamcor_mode) {
+		REG_GET(CM_GAMCOR_CONTROL, CM_GAMCOR_SELECT_CURRENT, &gamcor_lut_mode);
+		if (!gamcor_lut_mode)
+			s->gamcor_mode = LUT_RAM_A; // Otherwise, LUT_RAM_B
+	}
 
-	// TODO: Implement for DCN3
+	// Shaper LUT (RAM), 3D LUT (mode, bit-depth, size)
+	REG_GET(CM_SHAPER_CONTROL,
+		CM_SHAPER_LUT_MODE, &s->shaper_lut_mode);
+	REG_GET(CM_3DLUT_MODE,
+		CM_3DLUT_MODE_CURRENT, &s->lut3d_mode);
+	REG_GET(CM_3DLUT_READ_WRITE_CONTROL,
+		CM_3DLUT_30BIT_EN, &s->lut3d_bit_depth);
+	REG_GET(CM_3DLUT_MODE,
+		CM_3DLUT_SIZE, &s->lut3d_size);
+
+	// Blend/Out Gamma (RAM)
+	REG_GET(CM_BLNDGAM_CONTROL,
+		CM_BLNDGAM_MODE_CURRENT, &s->rgam_lut_mode);
+	if (s->rgam_lut_mode){
+		REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_SELECT_CURRENT, &rgam_lut_mode);
+		if (!rgam_lut_mode)
+			s->rgam_lut_mode = LUT_RAM_A; // Otherwise, LUT_RAM_B
+	}
 }
+
 /*program post scaler scs block in dpp CM*/
 void dpp3_program_post_csc(
 		struct dpp *dpp_base,
@@ -1462,6 +1495,7 @@ static struct dpp_funcs dcn30_dpp_funcs = {
 	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
 	.dpp_dppclk_control		= dpp1_dppclk_control,
 	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
+	.dpp_get_gamut_remap		= dpp3_cm_get_gamut_remap,
 };