diff options
| author | Jake Wang <haonan.wang2@amd.com> | 2021-05-14 15:41:39 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-08 12:15:20 -0400 |
| commit | 6c475bdbece0df896bb4db9553073a48503269c8 (patch) | |
| tree | 70424d1c374ed388b7ee7e2313081856958e0b4a | |
| parent | e1944deba131db59b393d509a164e59708c52e4a (diff) | |
drm/amd/display: Trigger full update after DCC on/off
[Why]
During DCC on/off, stutter period is calculated before DCC has fully transitioned.
This results in incorrect stutter period calculation.
[How]
Trigger a full update when DCC changes between on/off.
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 7017db800718..0a8ecb8863ac 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1927,8 +1927,13 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa if (u->plane_info->dcc.enable != u->surface->dcc.enable || u->plane_info->dcc.independent_64b_blks != u->surface->dcc.independent_64b_blks || u->plane_info->dcc.meta_pitch != u->surface->dcc.meta_pitch) { + /* During DCC on/off, stutter period is calculated before + * DCC has fully transitioned. This results in incorrect + * stutter period calculation. Triggering a full update will + * recalculate stutter period. + */ update_flags->bits.dcc_change = 1; - elevate_update_type(&update_type, UPDATE_TYPE_MED); + elevate_update_type(&update_type, UPDATE_TYPE_FULL); } if (resource_pixel_format_to_bpp(u->plane_info->format) != |