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drm/amd/display: Set ODM policy based on number of DSC slices

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[Why & How]
Add addtional check in CalculateODMMode for cases where the ODM combine
is needed due to number of DSC slices.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Taimur Hassan 2022-08-12 16:59:48 -04:00 committed by Alex Deucher
parent 62f6b0dcdf
commit 572200db77
3 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
View File

@ -2045,6 +2045,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading,
mode_lib->vba.DISPCLKRampingMargin,
mode_lib->vba.DISPCLKDPPCLKVCOSpeed,
mode_lib->vba.NumberOfDSCSlices[k],
/* Output */
&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.TotalAvailablePipesSupportNoDSC,
@ -2066,6 +2067,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading,
mode_lib->vba.DISPCLKRampingMargin,
mode_lib->vba.DISPCLKDPPCLKVCOSpeed,
mode_lib->vba.NumberOfDSCSlices[k],
/* Output */
&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.TotalAvailablePipesSupportDSC,

7
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
View File

@ -1193,6 +1193,7 @@ void dml32_CalculateODMMode(
double DISPCLKDPPCLKDSCCLKDownSpreading,
double DISPCLKRampingMargin,
double DISPCLKDPPCLKVCOSpeed,
unsigned int NumberOfDSCSlices,
/* Output */
bool *TotalAvailablePipesSupport,
@ -1228,7 +1229,8 @@ void dml32_CalculateODMMode(
if (!(Output == dm_hdmi || Output == dm_dp || Output == dm_edp) && (ODMUse == dm_odm_combine_policy_4to1 ||
((SurfaceRequiredDISPCLKWithODMCombineTwoToOne > StateDispclk ||
(DSCEnable && (HActive > 2 * MaximumPixelsPerLinePerDSCUnit)))))) {
(DSCEnable && (HActive > 2 * MaximumPixelsPerLinePerDSCUnit))
|| NumberOfDSCSlices > 8)))) {
if (TotalNumberOfActiveDPP + 4 <= MaxNumDPP) {
*ODMMode = dm_odm_combine_mode_4to1;
*RequiredDISPCLKPerSurface = SurfaceRequiredDISPCLKWithODMCombineFourToOne;
@ -1239,7 +1241,8 @@ void dml32_CalculateODMMode(
} else if (Output != dm_hdmi && (ODMUse == dm_odm_combine_policy_2to1 ||
(((SurfaceRequiredDISPCLKWithoutODMCombine > StateDispclk &&
SurfaceRequiredDISPCLKWithODMCombineTwoToOne <= StateDispclk) ||
(DSCEnable && (HActive > MaximumPixelsPerLinePerDSCUnit)))))) {
(DSCEnable && (HActive > MaximumPixelsPerLinePerDSCUnit))
|| (NumberOfDSCSlices <= 8 && NumberOfDSCSlices > 4))))) {
if (TotalNumberOfActiveDPP + 2 <= MaxNumDPP) {
*ODMMode = dm_odm_combine_mode_2to1;
*RequiredDISPCLKPerSurface = SurfaceRequiredDISPCLKWithODMCombineTwoToOne;

1
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
View File

@ -226,6 +226,7 @@ void dml32_CalculateODMMode(
double DISPCLKDPPCLKDSCCLKDownSpreading,
double DISPCLKRampingMargin,
double DISPCLKDPPCLKVCOSpeed,
unsigned int NumberOfDSCSlices,
/* Output */
bool *TotalAvailablePipesSupport,