Commit 6f0bf2db authored Nov 22, 2022 by Zhongwei Committed by Alex Deucher Dec 06, 2022

drm/amd/display: correct DML calc error of UrgentLatency



[Why]
The input UrgentLatency in CalculateUrgentBurstFactor
of prefect check is wrong.

[How]
Correct to the correct one to keep same as HW formula

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Zhongwei <Zhongwei.Zhang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent c800d9ff

drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -4851,7 +4851,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
		v->SwathHeightYThisState[k],
		v->SwathHeightCThisState[k],
		v->HTotal[k] / v->PixelClock[k],
		v->UrgentLatency,
		v->UrgLatency[i],
		v->CursorBufferSize,
		v->CursorWidth[k][0],
		v->CursorBPP[k][0],

drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -5082,7 +5082,7 @@ void dml31_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
		v->SwathHeightYThisState[k],
		v->SwathHeightCThisState[k],
		v->HTotal[k] / v->PixelClock[k],
		v->UrgentLatency,
		v->UrgLatency[i],
		v->CursorBufferSize,
		v->CursorWidth[k][0],
		v->CursorBPP[k][0],

drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -5179,7 +5179,7 @@ void dml314_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_
		v->SwathHeightYThisState[k],
		v->SwathHeightCThisState[k],
		v->HTotal[k] / v->PixelClock[k],
		v->UrgentLatency,
		v->UrgLatency[i],
		v->CursorBufferSize,
		v->CursorWidth[k][0],
		v->CursorBPP[k][0],