From: Jun Lei <jun....@amd.com>
[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....@amd.com>
Reviewed-by: Dmytro Laktyushkin <dmytro.laktyush...@amd.com>
Acked-by: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
---
.../dc/dml/dcn20/display_mode_vba_20v2.c | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index 22455db54980..0fafd693ffb4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
@@ -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
--
2.17.1
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