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-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
index 2a32ed6682fc..5909af0a25fb 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
@@ -3986,9 +3986,19 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
} else if (v->PlaneRequiredDISPCLKWithoutODMCombine > v->MaxDispclkRoundedDownToDFSGranularity) {
v->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
v->PlaneRequiredDISPCLK = v->PlaneRequiredDISPCLKWithODMCombine2To1;
+ /*420 format workaround*/
+ if (v->HActive[k] > 7680 && v->OutputFormat[k] == dm_420) {
+ v->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
+ v->PlaneRequiredDISPCLK = v->PlaneRequiredDISPCLKWithODMCombine2To1;
+ }
} else {
v->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_disabled;
v->PlaneRequiredDISPCLK = v->PlaneRequiredDISPCLKWithoutODMCombine;
+ /*420 format workaround*/
+ if (v->HActive[k] > 4096 && v->OutputFormat[k] == dm_420) {
+ v->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_2to1;
+ v->PlaneRequiredDISPCLK = v->PlaneRequiredDISPCLKWithODMCombine2To1;
+ }
}
if (v->ODMCombineEnablePerState[i][k] == dm_odm_combine_mode_4to1) {