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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-10-10 14:19:13 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-10-10 16:49:34 +0300 |
| commit | fec748740c9ca362dff7a5831105b0edc333bf91 (patch) | |
| tree | 109596316a494932578a24d4ed5063ee97912fc3 /include/drm/drm_plane.h | |
| parent | 76d6d3df524150fb8d5b5c1a3b877c2af42f67e5 (diff) | |
| download | linux-fec748740c9ca362dff7a5831105b0edc333bf91.tar.xz | |
drm/plane: Clarify our expectations for src/dst rectangles
The rectangles are usually clipped, but it can be useful to have
them unclipped, for example for cursor planes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[mlankhorst: Change cursor plane to hardware performing clipping. (Ville)
Fix dst description that went missing.]
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010112918.15724-1-maarten.lankhorst@linux.intel.com
Diffstat (limited to 'include/drm/drm_plane.h')
| -rw-r--r-- | include/drm/drm_plane.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 328773690851..3f396d94afe4 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -184,8 +184,26 @@ struct drm_plane_state { */ struct drm_property_blob *fb_damage_clips; - /** @src: clipped source coordinates of the plane (in 16.16) */ - /** @dst: clipped destination coordinates of the plane */ + /** + * @src: + * + * source coordinates of the plane (in 16.16). + * + * When using drm_atomic_helper_check_plane_state(), + * the coordinates are clipped, but the driver may choose + * to use unclipped coordinates instead when the hardware + * performs the clipping automatically. + */ + /** + * @dst: + * + * clipped destination coordinates of the plane. + * + * When using drm_atomic_helper_check_plane_state(), + * the coordinates are clipped, but the driver may choose + * to use unclipped coordinates instead when the hardware + * performs the clipping automatically. + */ struct drm_rect src, dst; /** |