Merge tag 'amd-drm-next-6.11-2024-06-22' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.11-2024-06-22:

amdgpu:
- HPD fixes
- PSR fixes
- DCC updates
- DCN 4.0.1 fixes
- FAMS fixes
- Misc code cleanups
- SR-IOV fixes
- GPUVM TLB flush cleanups
- Make VCN less verbose
- ACPI backlight fixes
- MES fixes
- Firmware loading cleanups
- Replay fixes
- LTTPR fixes
- Trap handler fixes
- Cursor and overlay fixes
- Primary plane zpos fixes
- DML 2.1 fixes
- RAS updates
- USB4 fixes
- MALL fixes
- Reserved VMID fix
- Silence UBSAN warnings

amdkfd:
- Misc code cleanups

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240622152523.2267072-1-alexander.deucher@amd.com
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/amd/display/dc/dml/calcs/dcn_calcs.c

@@ -690,7 +690,7 @@ static void hack_disable_optional_pipe_split(struct dcn_bw_internal_vars *v)
 static void hack_force_pipe_split(struct dcn_bw_internal_vars *v,
 		unsigned int pixel_rate_100hz)
 {
-	float pixel_rate_mhz = pixel_rate_100hz / 10000;
+	float pixel_rate_mhz = pixel_rate_100hz / 10000.0;
 
 	/*
 	 * force enabling pipe split by lower dpp clock for DPM0 to just

drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c

@@ -1882,10 +1882,10 @@ void dcn20_update_bounding_box(struct dc *dc,
 		bb->clock_limits[i].fabricclk_mhz = (min_fclk_required_by_uclk < min_dcfclk) ?
 				min_dcfclk : min_fclk_required_by_uclk;
 
-		bb->clock_limits[i].socclk_mhz = (bb->clock_limits[i].fabricclk_mhz > max_clocks->socClockInKhz / 1000) ?
+		bb->clock_limits[i].socclk_mhz = (bb->clock_limits[i].fabricclk_mhz > max_clocks->socClockInKhz / 1000.0) ?
 				max_clocks->socClockInKhz / 1000 : bb->clock_limits[i].fabricclk_mhz;
 
-		bb->clock_limits[i].dcfclk_mhz = (bb->clock_limits[i].fabricclk_mhz > max_clocks->dcfClockInKhz / 1000) ?
+		bb->clock_limits[i].dcfclk_mhz = (bb->clock_limits[i].fabricclk_mhz > max_clocks->dcfClockInKhz / 1000.0) ?
 				max_clocks->dcfClockInKhz / 1000 : bb->clock_limits[i].fabricclk_mhz;
 
 		bb->clock_limits[i].dispclk_mhz = max_clocks->displayClockInKhz / 1000;
@@ -1917,35 +1917,35 @@ void dcn20_cap_soc_clocks(struct _vcs_dpi_soc_bounding_box_st *bb,
 
 	// First pass - cap all clocks higher than the reported max
 	for (i = 0; i < bb->num_states; i++) {
-		if ((bb->clock_limits[i].dcfclk_mhz > (max_clocks.dcfClockInKhz / 1000))
+		if ((bb->clock_limits[i].dcfclk_mhz > (max_clocks.dcfClockInKhz / 1000.0))
 				&& max_clocks.dcfClockInKhz != 0)
 			bb->clock_limits[i].dcfclk_mhz = (max_clocks.dcfClockInKhz / 1000);
 
-		if ((bb->clock_limits[i].dram_speed_mts > (max_clocks.uClockInKhz / 1000) * 16)
+		if ((bb->clock_limits[i].dram_speed_mts > (max_clocks.uClockInKhz / 1000.0) * 16)
 						&& max_clocks.uClockInKhz != 0)
 			bb->clock_limits[i].dram_speed_mts = (max_clocks.uClockInKhz / 1000) * 16;
 
-		if ((bb->clock_limits[i].fabricclk_mhz > (max_clocks.fabricClockInKhz / 1000))
+		if ((bb->clock_limits[i].fabricclk_mhz > (max_clocks.fabricClockInKhz / 1000.0))
 						&& max_clocks.fabricClockInKhz != 0)
 			bb->clock_limits[i].fabricclk_mhz = (max_clocks.fabricClockInKhz / 1000);
 
-		if ((bb->clock_limits[i].dispclk_mhz > (max_clocks.displayClockInKhz / 1000))
+		if ((bb->clock_limits[i].dispclk_mhz > (max_clocks.displayClockInKhz / 1000.0))
 						&& max_clocks.displayClockInKhz != 0)
 			bb->clock_limits[i].dispclk_mhz = (max_clocks.displayClockInKhz / 1000);
 
-		if ((bb->clock_limits[i].dppclk_mhz > (max_clocks.dppClockInKhz / 1000))
+		if ((bb->clock_limits[i].dppclk_mhz > (max_clocks.dppClockInKhz / 1000.0))
 						&& max_clocks.dppClockInKhz != 0)
 			bb->clock_limits[i].dppclk_mhz = (max_clocks.dppClockInKhz / 1000);
 
-		if ((bb->clock_limits[i].phyclk_mhz > (max_clocks.phyClockInKhz / 1000))
+		if ((bb->clock_limits[i].phyclk_mhz > (max_clocks.phyClockInKhz / 1000.0))
 						&& max_clocks.phyClockInKhz != 0)
 			bb->clock_limits[i].phyclk_mhz = (max_clocks.phyClockInKhz / 1000);
 
-		if ((bb->clock_limits[i].socclk_mhz > (max_clocks.socClockInKhz / 1000))
+		if ((bb->clock_limits[i].socclk_mhz > (max_clocks.socClockInKhz / 1000.0))
 						&& max_clocks.socClockInKhz != 0)
 			bb->clock_limits[i].socclk_mhz = (max_clocks.socClockInKhz / 1000);
 
-		if ((bb->clock_limits[i].dscclk_mhz > (max_clocks.dscClockInKhz / 1000))
+		if ((bb->clock_limits[i].dscclk_mhz > (max_clocks.dscClockInKhz / 1000.0))
 						&& max_clocks.dscClockInKhz != 0)
 			bb->clock_limits[i].dscclk_mhz = (max_clocks.dscClockInKhz / 1000);
 	}

drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c

@@ -1017,7 +1017,7 @@ static unsigned int CalculateVMAndRowBytes(
 			if (ScanDirection == dm_horz)
 				FractionOfPTEReturnDrop = 0;
 			else
-				FractionOfPTEReturnDrop = 7 / 8;
+				FractionOfPTEReturnDrop = 7.0 / 8;
 		} else if (VMMPageSize == 4096 && MacroTileSizeBytes > 4096) {
 			PixelPTEReqHeight = 16 * BlockHeight256Bytes;
 			PixelPTEReqWidth = 16 * BlockWidth256Bytes;
@@ -3231,22 +3231,22 @@ static unsigned int TruncToValidBPP(
 			if (Format == dm_420) {
 				if (DecimalBPP < 6)
 					return BPP_INVALID;
-				else if (DecimalBPP >= 1.5 * DSCInputBitPerComponent - 1 / 16)
-					return 1.5 * DSCInputBitPerComponent - 1 / 16;
+				else if (DecimalBPP >= 1.5 * DSCInputBitPerComponent - 1.0 / 16)
+					return 1.5 * DSCInputBitPerComponent - 1.0 / 16;
 				else
 					return dml_floor(16 * DecimalBPP, 1) / 16;
 			} else if (Format == dm_n422) {
 				if (DecimalBPP < 7)
 					return BPP_INVALID;
-				else if (DecimalBPP >= 2 * DSCInputBitPerComponent - 1 / 16)
-					return 2 * DSCInputBitPerComponent - 1 / 16;
+				else if (DecimalBPP >= 2 * DSCInputBitPerComponent - 1.0 / 16)
+					return 2 * DSCInputBitPerComponent - 1.0 / 16;
 				else
 					return dml_floor(16 * DecimalBPP, 1) / 16;
 			} else {
 				if (DecimalBPP < 8)
 					return BPP_INVALID;
-				else if (DecimalBPP >= 3 * DSCInputBitPerComponent - 1 / 16)
-					return 3 * DSCInputBitPerComponent - 1 / 16;
+				else if (DecimalBPP >= 3 * DSCInputBitPerComponent - 1.0 / 16)
+					return 3 * DSCInputBitPerComponent - 1.0 / 16;
 				else
 					return dml_floor(16 * DecimalBPP, 1) / 16;
 			}
@@ -4322,7 +4322,7 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 					locals->RoundedUpMaxSwathSizeBytesC = 0;
 				}
 
-				if (locals->RoundedUpMaxSwathSizeBytesY + locals->RoundedUpMaxSwathSizeBytesC <= locals->DETBufferSizeInKByte[0] * 1024 / 2) {
+				if (locals->RoundedUpMaxSwathSizeBytesY + locals->RoundedUpMaxSwathSizeBytesC <= locals->DETBufferSizeInKByte[0] * 1024.0 / 2) {
 					locals->SwathHeightYPerState[i][j][k] = locals->MaxSwathHeightY[k];
 					locals->SwathHeightCPerState[i][j][k] = locals->MaxSwathHeightC[k];
 				} else {

drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c

@@ -1077,7 +1077,7 @@ static unsigned int CalculateVMAndRowBytes(
 			if (ScanDirection == dm_horz)
 				FractionOfPTEReturnDrop = 0;
 			else
-				FractionOfPTEReturnDrop = 7 / 8;
+				FractionOfPTEReturnDrop = 7.0 / 8;
 		} else if (VMMPageSize == 4096 && MacroTileSizeBytes > 4096) {
 			PixelPTEReqHeight = 16 * BlockHeight256Bytes;
 			PixelPTEReqWidth = 16 * BlockWidth256Bytes;
@@ -4443,7 +4443,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode
 					locals->RoundedUpMaxSwathSizeBytesC = 0;
 				}
 
-				if (locals->RoundedUpMaxSwathSizeBytesY + locals->RoundedUpMaxSwathSizeBytesC <= locals->DETBufferSizeInKByte[0] * 1024 / 2) {
+				if (locals->RoundedUpMaxSwathSizeBytesY + locals->RoundedUpMaxSwathSizeBytesC <= locals->DETBufferSizeInKByte[0] * 1024.0 / 2) {
 					locals->SwathHeightYPerState[i][j][k] = locals->MaxSwathHeightY[k];
 					locals->SwathHeightCPerState[i][j][k] = locals->MaxSwathHeightC[k];
 				} else {

drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c

@@ -1156,11 +1156,6 @@ static void dml20_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (htaps_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {

drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c

@@ -1157,11 +1157,6 @@ static void dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (htaps_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {

drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c

@@ -1399,7 +1399,7 @@ static unsigned int CalculateVMAndRowBytes(
 			if (ScanDirection == dm_horz)
 				FractionOfPTEReturnDrop = 0;
 			else
-				FractionOfPTEReturnDrop = 7 / 8;
+				FractionOfPTEReturnDrop = 7.0 / 8;
 		} else if (VMMPageSize == 4096 && MacroTileSizeBytes > 4096) {
 			PixelPTEReqHeightPTEs = 16;
 			*PixelPTEReqHeight = 16 * BlockHeight256Bytes;

drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c

@@ -297,9 +297,6 @@ static void handle_det_buf_split(
 
 		if (swath_height_c > 0)
 			log2_swath_height_c = dml_log2(swath_height_c);
-
-		if (req128_c && log2_swath_height_c > 0)
-			log2_swath_height_c -= 1;
 	}
 
 	rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
@@ -1208,11 +1205,6 @@ static void dml_rq_dlg_get_dlg_params(
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (hratio_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {

drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c

@@ -1783,7 +1783,7 @@ static unsigned int CalculateVMAndRowBytes(
 		if (ScanDirection != dm_vert)
 			FractionOfPTEReturnDrop = 0;
 		else
-			FractionOfPTEReturnDrop = 7 / 8;
+			FractionOfPTEReturnDrop = 7.0 / 8;
 	} else if (GPUVMMinPageSize == 4 && MacroTileSizeBytes > 4096) {
 		PixelPTEReqHeightPTEs = 16;
 		*PixelPTEReqHeight = 16 * BlockHeight256Bytes;

drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c

@@ -1309,11 +1309,6 @@ static void dml_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (hratio_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {

drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c

@@ -1932,7 +1932,7 @@ static unsigned int CalculateVMAndRowBytes(
 		if (ScanDirection != dm_vert)
 			FractionOfPTEReturnDrop = 0;
 		else
-			FractionOfPTEReturnDrop = 7 / 8;
+			FractionOfPTEReturnDrop = 7.0 / 8;
 	} else if (GPUVMMinPageSize == 4 && MacroTileSizeBytes > 4096) {
 		PixelPTEReqHeightPTEs = 16;
 		*PixelPTEReqHeight = 16 * BlockHeight256Bytes;
@@ -3617,7 +3617,7 @@ static double TruncToValidBPP(
 		NonDSCBPP1 = 15;
 		NonDSCBPP2 = 18;
 		MinDSCBPP = 6;
-		MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1 / 16;
+		MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1.0 / 16;
 	} else if (Format == dm_444) {
 		NonDSCBPP0 = 24;
 		NonDSCBPP1 = 30;

drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c

@@ -1150,11 +1150,6 @@ static void dml_rq_dlg_get_dlg_params(
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (hratio_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {

drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c

@@ -1941,15 +1941,6 @@ static unsigned int CalculateVMAndRowBytes(
 		*PixelPTEReqWidth = 32768.0 / BytePerPixel;
 		*PTERequestSize = 64;
 		FractionOfPTEReturnDrop = 0;
-	} else if (MacroTileSizeBytes == 4096) {
-		PixelPTEReqHeightPTEs = 1;
-		*PixelPTEReqHeight = MacroTileHeight;
-		*PixelPTEReqWidth = 8 * *MacroTileWidth;
-		*PTERequestSize = 64;
-		if (ScanDirection != dm_vert)
-			FractionOfPTEReturnDrop = 0;
-		else
-			FractionOfPTEReturnDrop = 7 / 8;
 	} else if (GPUVMMinPageSize == 4 && MacroTileSizeBytes > 4096) {
 		PixelPTEReqHeightPTEs = 16;
 		*PixelPTEReqHeight = 16 * BlockHeight256Bytes;
@@ -3723,7 +3714,7 @@ static double TruncToValidBPP(
 		NonDSCBPP1 = 15;
 		NonDSCBPP2 = 18;
 		MinDSCBPP = 6;
-		MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1 / 16;
+		MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1.0 / 16;
 	} else if (Format == dm_444) {
 		NonDSCBPP0 = 24;
 		NonDSCBPP1 = 30;

drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c

@@ -1238,11 +1238,6 @@ static void dml_rq_dlg_get_dlg_params(
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (hratio_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {

drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c

@@ -738,9 +738,9 @@ static bool subvp_subvp_schedulable(struct dc *dc, struct dc_state *context)
 		/* Loop to calculate the maximum microschedule time between the two SubVP pipes,
 		 * and also to store the two main SubVP pipe pointers in subvp_pipes[2].
 		 */
-		if (pipe->stream && pipe->plane_state && !pipe->top_pipe &&
+		phantom = dc_state_get_paired_subvp_stream(context, pipe->stream);
+		if (phantom && pipe->stream && pipe->plane_state && !pipe->top_pipe &&
 			dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) {
-			phantom = dc_state_get_paired_subvp_stream(context, pipe->stream);
 			microschedule_lines = (phantom->timing.v_total - phantom->timing.v_front_porch) +
 					phantom->timing.v_addressable;
 
@@ -845,8 +845,8 @@ static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context)
 		}
 	}
 
-	if (subvp_found && drr_found) {
-		phantom_stream = dc_state_get_paired_subvp_stream(context, pipe->stream);
+	phantom_stream = dc_state_get_paired_subvp_stream(context, pipe->stream);
+	if (phantom_stream && subvp_found && drr_found) {
 		main_timing = &pipe->stream->timing;
 		phantom_timing = &phantom_stream->timing;
 		drr_timing = &drr_pipe->stream->timing;
@@ -1177,6 +1177,9 @@ static void init_pipe_slice_table_from_context(
 		stream = context->streams[i];
 		otg_master = resource_get_otg_master_for_stream(
 				&context->res_ctx, stream);
+		if (!otg_master)
+			continue;
+
 		count = resource_get_odm_slice_count(otg_master);
 		update_slice_table_for_stream(table, stream, count);
 
@@ -2154,6 +2157,8 @@ bool dcn32_internal_validate_bw(struct dc *dc,
 
 	dc->res_pool->funcs->update_soc_for_wm_a(dc, context);
 
+	for (i = 0; i < context->stream_count; i++)
+		resource_update_pipes_for_stream_with_slice_count(context, dc->current_state, dc->res_pool, context->streams[i], 1);
 	pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes, fast_validate);
 
 	if (!pipe_cnt) {

drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c

@@ -1401,13 +1401,13 @@ void dml32_CalculateOutputLink(
 			if (Output == dm_dp2p0) {
 				*OutBpp = 0;
 				if ((OutputLinkDPRate == dm_dp_rate_na || OutputLinkDPRate == dm_dp_rate_uhbr10) &&
-						PHYCLKD32PerState >= 10000 / 32) {
+						PHYCLKD32PerState >= 10000.0 / 32) {
 					*OutBpp = dml32_TruncToValidBPP((1 - Downspreading / 100) * 10000,
 							OutputLinkDPLanes, HTotal, HActive, PixelClockBackEnd,
 							ForcedOutputLinkBPP, LinkDSCEnable, Output, OutputFormat,
 							DSCInputBitPerComponent, NumberOfDSCSlices, AudioSampleRate,
 							AudioSampleLayout, ODMModeNoDSC, ODMModeDSC, RequiredSlots);
-					if (*OutBpp == 0 && PHYCLKD32PerState < 13500 / 32 && DSCEnable == true &&
+					if (*OutBpp == 0 && PHYCLKD32PerState < 13500.0 / 32 && DSCEnable == true &&
 							ForcedOutputLinkBPP == 0) {
 						*RequiresDSC = true;
 						LinkDSCEnable = true;
@@ -1423,7 +1423,7 @@ void dml32_CalculateOutputLink(
 					*OutputRate = dm_output_rate_dp_rate_uhbr10;
 				}
 				if ((OutputLinkDPRate == dm_dp_rate_na || OutputLinkDPRate == dm_dp_rate_uhbr13p5) &&
-						*OutBpp == 0 && PHYCLKD32PerState >= 13500 / 32) {
+						*OutBpp == 0 && PHYCLKD32PerState >= 13500.0 / 32) {
 					*OutBpp = dml32_TruncToValidBPP((1 - Downspreading / 100) * 13500,
 							OutputLinkDPLanes, HTotal, HActive, PixelClockBackEnd,
 							ForcedOutputLinkBPP, LinkDSCEnable, Output, OutputFormat,
@@ -1601,7 +1601,7 @@ double dml32_TruncToValidBPP(
 		NonDSCBPP1 = 15;
 		NonDSCBPP2 = 18;
 		MinDSCBPP = 6;
-		MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1 / 16;
+		MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1.0 / 16;
 	} else if (Format == dm_444) {
 		NonDSCBPP0 = 24;
 		NonDSCBPP1 = 30;

drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c

@@ -177,7 +177,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = {
 	.urgent_latency_pixel_data_only_us = 4.0,
 	.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
 	.urgent_latency_vm_data_only_us = 4.0,
-	.dram_clock_change_latency_us = 11.72,
+	.dram_clock_change_latency_us = 34.0,
 	.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
 	.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
 	.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,

drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c

@@ -215,7 +215,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = {
 	.urgent_latency_pixel_data_only_us = 4.0,
 	.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
 	.urgent_latency_vm_data_only_us = 4.0,
-	.dram_clock_change_latency_us = 11.72,
+	.dram_clock_change_latency_us = 34,
 	.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
 	.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
 	.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,

drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c

@@ -1596,11 +1596,6 @@ void dml1_rq_dlg_get_dlg_params(
 		swath_width_pixels_ub_c = swath_width_ub_c * 1;
 	}
 
-	hscale_pixel_rate_l = 0.;
-	hscale_pixel_rate_c = 0.;
-	min_hratio_fact_l = 1.0;
-	min_hratio_fact_c = 1.0;
-
 	if (htaps_l <= 1)
 		min_hratio_fact_l = 2.0;
 	else if (htaps_l <= 6) {