diff options
Diffstat (limited to 'drivers/gpu/drm')
3 files changed, 30 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c index 63c48c29ba49..e7f4a2d491cc 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c @@ -4273,7 +4273,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l //Calculate Swath, DET Configuration, DCFCLKDeepSleep // - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { for (k = 0; k < v->NumberOfActivePlanes; ++k) { v->RequiredDPPCLKThisState[k] = v->RequiredDPPCLK[i][j][k]; @@ -4576,7 +4576,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l //Calculate Return BW - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { for (k = 0; k <= v->NumberOfActivePlanes - 1; k++) { if (v->BlendingAndTiming[k] == k) { @@ -4635,7 +4635,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l v->UrgentOutOfOrderReturnPerChannelVMDataOnly); v->FinalDRAMClockChangeLatency = (v->DRAMClockChangeLatencyOverride > 0 ? v->DRAMClockChangeLatencyOverride : v->DRAMClockChangeLatency); - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { v->DCFCLKState[i][j] = v->DCFCLKPerState[i]; } @@ -4646,7 +4646,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l if (v->ClampMinDCFCLK) { /* Clamp calculated values to actual minimum */ - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { if (v->DCFCLKState[i][j] < mode_lib->soc.min_dcfclk) { v->DCFCLKState[i][j] = mode_lib->soc.min_dcfclk; @@ -4656,7 +4656,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } } - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { v->IdealSDPPortBandwidthPerState[i][j] = dml_min3( v->ReturnBusWidth * v->DCFCLKState[i][j], @@ -4674,7 +4674,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l //Re-ordering Buffer Support Check - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { if ((v->ROBBufferSizeInKByte - v->PixelChunkSizeInKByte) * 1024 / v->ReturnBWPerState[i][j] > (v->RoundTripPingLatencyCycles + 32) / v->DCFCLKState[i][j] + ReorderingBytes / v->ReturnBWPerState[i][j]) { @@ -4692,7 +4692,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l MaxTotalVActiveRDBandwidth = MaxTotalVActiveRDBandwidth + v->ReadBandwidthLuma[k] + v->ReadBandwidthChroma[k]; } - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { v->MaxTotalVerticalActiveAvailableBandwidth[i][j] = dml_min( v->IdealSDPPortBandwidthPerState[i][j] * v->MaxAveragePercentOfIdealSDPPortBWDisplayCanUseInNormalSystemOperation / 100, @@ -4708,7 +4708,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l //Prefetch Check - for (i = 0; i < mode_lib->soc.num_states; ++i) { + for (i = start_state; i < mode_lib->soc.num_states; ++i) { for (j = 0; j <= 1; ++j) { int NextPrefetchModeState = MinPrefetchMode; diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn303/dcn303_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn303/dcn303_fpu.c index 3eb3a021ab7d..3f02bb806d42 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn303/dcn303_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn303/dcn303_fpu.c @@ -266,6 +266,17 @@ void dcn303_fpu_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_p optimal_uclk_for_dcfclk_sta_targets[i] = bw_params->clk_table.entries[j].memclk_mhz * 16; break; + } else { + /* condition where (dcfclk_sta_targets[i] >= optimal_dcfclk_for_uclk[j]): + * This is required for dcn303 because it just so happens that the memory + * bandwidth is low enough such that all the optimal DCFCLK for each UCLK + * is lower than the smallest DCFCLK STA target. In this case we need to + * populate the optimal UCLK for each DCFCLK STA target to be the max UCLK. + */ + if (j == num_uclk_states - 1) { + optimal_uclk_for_dcfclk_sta_targets[i] = + bw_params->clk_table.entries[j].memclk_mhz * 16; + } } } } diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c index 37a64186f324..ecc477ef8e3b 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c @@ -2169,6 +2169,17 @@ void dcn30_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params optimal_uclk_for_dcfclk_sta_targets[i] = bw_params->clk_table.entries[j].memclk_mhz * 16; break; + } else { + /* condition where (dcfclk_sta_targets[i] >= optimal_dcfclk_for_uclk[j]): + * If it just so happens that the memory bandwidth is low enough such that + * all the optimal DCFCLK for each UCLK is lower than the smallest DCFCLK STA + * target, we need to populate the optimal UCLK for each DCFCLK STA target to + * be the max UCLK. + */ + if (j == num_uclk_states - 1) { + optimal_uclk_for_dcfclk_sta_targets[i] = + bw_params->clk_table.entries[j].memclk_mhz * 16; + } } } } |