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authorChris Park <Chris.Park@amd.com>2020-06-09 23:51:36 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-07-01 01:59:26 -0400
commit5e90801298cc5c7ac7fac7d5fb0705e7bedf1eea (patch)
tree3f32cf836415c06c9b16f94d8e8a23e9a3fb3999 /drivers/gpu/drm/amd/display
parent7715fdf3362fa88f3e3620261a6e546f50713a5e (diff)
drm/amd/display: Allow 4 split on 10K 420 modes
[Why] 10K YCbCr420 does not need ODM 4:1, but it requires MPC 4 split indicated on the flags. [How] Make pixel encoding and resolution size specific workaround to enable ODM combine on YCbCr420 high resolution modes. Signed-off-by: Chris Park <Chris.Park@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c5
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c5
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index d3be19b1d0ab..0983bcc25117 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2745,6 +2745,11 @@ int dcn20_validate_apply_pipe_split_flags(
split[i] = 4;
v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_4to1;
}
+ /*420 format workaround*/
+ if (pipe->stream->timing.h_addressable > 7680 &&
+ pipe->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
+ split[i] = 4;
+ }
#endif
v->ODMCombineEnabled[pipe_plane] =
v->ODMCombineEnablePerState[vlevel][pipe_plane];
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 5909af0a25fb..75dc4fe41731 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
@@ -3986,11 +3986,6 @@ 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;