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| author |   Nicholas Susanto <nicholas.susanto@amd.com> | 2023-07-21 14:45:34 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2023-09-11 17:15:23 -0400 |
| commit | d074e0f9ec57e6de09b06b24d208fefee222050f (patch) | |
| tree | 8960825d863faad5f026b5915532ba2313854d7b | |
| parent | drm/amdgpu: print more address info of UMC bad page (diff) | |
| download | linux-rng-d074e0f9ec57e6de09b06b24d208fefee222050f.tar.xz linux-rng-d074e0f9ec57e6de09b06b24d208fefee222050f.zip | |
drm/amd/display: Fix DML calculation errors
[Why]
DML calculations differ with DCN3.1 spreadsheet values due to
translations errors from the visual basic code
[How]
Add missing calculations that set the value for DSCDelay
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Nicholas Susanto <nicholas.susanto@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c index a94aa0f21a7f..88e56889a68c 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c @@ -2311,6 +2311,7 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman v->OutputFormat[k], v->Output[k]) + dscComputeDelay(v->OutputFormat[k], v->Output[k])); } + v->DSCDelay[k] = v->DSCDelay[k] + (v->HTotal[k] - v->HActive[k]) * dml_ceil((double) v->DSCDelay[k] / v->HActive[k], 1); v->DSCDelay[k] = v->DSCDelay[k] * v->PixelClock[k] / v->PixelClockBackEnd[k]; } else { v->DSCDelay[k] = 0; @@ -4719,6 +4720,7 @@ void dml314_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_ v->OutputFormat[k], v->Output[k]) + dscComputeDelay(v->OutputFormat[k], v->Output[k])); } + v->DSCDelayPerState[i][k] = v->DSCDelayPerState[i][k] + (v->HTotal[k] - v->HActive[k]) * dml_ceil((double) v->DSCDelayPerState[i][k] / v->HActive[k], 1.0); v->DSCDelayPerState[i][k] = v->DSCDelayPerState[i][k] * v->PixelClock[k] / v->PixelClockBackEnd[k]; } else { v->DSCDelayPerState[i][k] = 0.0; |