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drm/amd/display: Investigate tool reported FCLK P-state deviations

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[Why]
Fix for some of the tool reported modes for FCLK
P-state deviations and UCLK P-state deviations that
are coming from DSC terms and/or Scaling terms
causing MinActiveFCLKChangeLatencySupported
and MaxActiveDRAMClockChangeLatencySupported
incorrectly calculated in DML for these configurations.

Reviewed-by: Chaitanya Dhere <Chaitanya.Dhere@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nevenko Stupar 2022-05-06 16:32:38 -04:00 committed by Alex Deucher
parent d5e0fb0d9d
commit 7461016c57
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
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@ -364,7 +364,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
for (k = 0; k < mode_lib->vba.NumberOfActiveSurfaces; ++k) {
v->DSCDelay[k] = dml32_DSCDelayRequirement(mode_lib->vba.DSCEnabled[k],
mode_lib->vba.ODMCombineEnabled[k], mode_lib->vba.DSCInputBitPerComponent[k],
mode_lib->vba.OutputBpp[k], mode_lib->vba.HActive[k], mode_lib->vba.HTotal[k],
mode_lib->vba.OutputBppPerState[mode_lib->vba.VoltageLevel][k],
mode_lib->vba.HActive[k], mode_lib->vba.HTotal[k],
mode_lib->vba.NumberOfDSCSlices[k], mode_lib->vba.OutputFormat[k],
mode_lib->vba.Output[k], mode_lib->vba.PixelClock[k],
mode_lib->vba.PixelClockBackEnd[k], mode_lib->vba.ip.dsc_delay_factor_wa);