diff options
| author | Leo Chen <[email protected]> | 2023-07-26 22:44:13 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2023-08-07 17:14:09 -0400 |
| commit | 4c6107a653ccf361cb1b6ba35d558a1a5e6e57ac (patch) | |
| tree | 7d6d10483a3367296793b944b5610e632c3a690b | |
| parent | 026a71babf48efb6b9884a3a66fa31aec9e1ea54 (diff) | |
drm/amd/display: Blocking invalid 420 modes on HDMI TMDS for DCN314
[Why & How]
HDMI TMDS does not have ODM support. Filtering 420 modes that
exceed the 4096 FMT limitation on DCN314 will resolve
intermittent corruptions issues.
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Acked-by: Tom Chung <[email protected]>
Signed-off-by: Leo Chen <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c index 32251af76935..a94aa0f21a7f 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c @@ -4227,7 +4227,9 @@ void dml314_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_ } if (v->OutputFormat[k] == dm_420 && v->HActive[k] > DCN314_MAX_FMT_420_BUFFER_WIDTH && v->ODMCombineEnablePerState[i][k] != dm_odm_combine_mode_4to1) { - if (v->HActive[k] / 2 > DCN314_MAX_FMT_420_BUFFER_WIDTH) { + if (v->Output[k] == dm_hdmi) { + FMTBufferExceeded = true; + } else if (v->HActive[k] / 2 > DCN314_MAX_FMT_420_BUFFER_WIDTH) { v->ODMCombineEnablePerState[i][k] = dm_odm_combine_mode_4to1; v->PlaneRequiredDISPCLK = v->PlaneRequiredDISPCLKWithODMCombine4To1; |