diff options
| author | Samson Tam <samson.tam@amd.com> | 2024-04-01 20:51:58 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-17 04:24:08 +0300 |
| commit | ef319dff5475a2d7b9b61c0fb051a764237cd959 (patch) | |
| tree | a460cf3732bb564d04be20494a90ad14ae658822 /drivers/gpu/drm | |
| parent | d7fedf2656462c2c20d6d98446e1cdf1c0edc0aa (diff) | |
| download | linux-ef319dff5475a2d7b9b61c0fb051a764237cd959.tar.xz | |
drm/amd/display: add support for chroma offset
[Why]
Adding support for chroma subsampling offset (cositing) in scaler
calculations to adjust reference point where we determine post-scaling
chroma value in YUV420 surfaces.
[How]
Add support for cositing options: NONE, LEFT and TOPLEFT Add debug
option force_cositing and set default to TOPLEFT to maintain same
behaviour as without offset support.
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Samson Tam <samson.tam@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index db64b0061d70..5cd86cfd6f73 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1003,6 +1003,7 @@ struct dc_debug_options { unsigned int static_screen_wait_frames; bool force_chroma_subsampling_1tap; bool disable_422_left_edge_pixel; + unsigned int force_cositing; }; struct gpu_info_soc_bounding_box_v1_0; @@ -1285,6 +1286,7 @@ struct dc_plane_state { struct tg_color visual_confirm_color; bool is_statically_allocated; + enum chroma_cositing cositing; }; struct dc_plane_info { @@ -1303,6 +1305,7 @@ struct dc_plane_info { int global_alpha_value; bool input_csc_enabled; int layer_index; + enum chroma_cositing cositing; }; #include "dc_stream.h" diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h index 465e15f57f93..2ad7f60805f5 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h @@ -738,6 +738,13 @@ enum scanning_type { SCANNING_TYPE_UNDEFINED }; +enum chroma_cositing { + CHROMA_COSITING_NONE, + CHROMA_COSITING_LEFT, + CHROMA_COSITING_TOPLEFT, + CHROMA_COSITING_COUNT +}; + struct dc_crtc_timing_flags { uint32_t INTERLACE :1; uint32_t HSYNC_POSITIVE_POLARITY :1; /* when set to 1, |