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drm/amd/display: fix DML not calculating delivery time

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[why]
Calculating DCFCLK DS time requires calculating
delivery time for luma/chroma, but this value is
not calculated in DMLv2, it was inadvertently
removed when porting DMLv2

[how]
Add the calculation back

Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jun Lei 2019-08-07 16:24:46 -04:00 committed by Alex Deucher
parent 0ec7d06b22
commit b1a47f5338
1 changed files with 27 additions and 0 deletions
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27
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
View file

@ -1475,6 +1475,33 @@ static void dml20v2_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndP
/ mode_lib->vba.ReturnBW;
mode_lib->vba.LastPixelOfLineExtraWatermark = 0;
for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
if (mode_lib->vba.VRatio[k] <= 1.0)
mode_lib->vba.DisplayPipeLineDeliveryTimeLuma[k] =
(double) mode_lib->vba.SwathWidthY[k]
* mode_lib->vba.DPPPerPlane[k]
/ mode_lib->vba.HRatio[k]
/ mode_lib->vba.PixelClock[k];
else
mode_lib->vba.DisplayPipeLineDeliveryTimeLuma[k] =
(double) mode_lib->vba.SwathWidthY[k]
/ mode_lib->vba.PSCL_THROUGHPUT_LUMA[k]
/ mode_lib->vba.DPPCLK[k];
if (mode_lib->vba.BytePerPixelDETC[k] == 0)
mode_lib->vba.DisplayPipeLineDeliveryTimeChroma[k] = 0.0;
else if (mode_lib->vba.VRatio[k] / 2.0 <= 1.0)
mode_lib->vba.DisplayPipeLineDeliveryTimeChroma[k] =
mode_lib->vba.SwathWidthY[k] / 2.0
* mode_lib->vba.DPPPerPlane[k]
/ (mode_lib->vba.HRatio[k] / 2.0)
/ mode_lib->vba.PixelClock[k];
else
mode_lib->vba.DisplayPipeLineDeliveryTimeChroma[k] =
mode_lib->vba.SwathWidthY[k] / 2.0
/ mode_lib->vba.PSCL_THROUGHPUT_CHROMA[k]
/ mode_lib->vba.DPPCLK[k];
}
mode_lib->vba.UrgentExtraLatency = mode_lib->vba.UrgentRoundTripAndOutOfOrderLatency
+ (mode_lib->vba.TotalActiveDPP * mode_lib->vba.PixelChunkSizeInKByte