diff options
Diffstat (limited to 'include/drm/drm_plane.h')
| -rw-r--r-- | include/drm/drm_plane.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 0a0834bef8bd..6078c700d9ba 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -173,6 +173,16 @@ struct drm_plane_state { */ enum drm_color_range color_range; + /** + * @fb_damage_clips: + * + * Blob representing damage (area in plane framebuffer that changed + * since last plane update) as an array of &drm_mode_rect in framebuffer + * coodinates of the attached framebuffer. Note that unlike plane src, + * damage clips are not in 16.16 fixed point. + */ + struct drm_property_blob *fb_damage_clips; + /** @src: clipped source coordinates of the plane (in 16.16) */ /** @dst: clipped destination coordinates of the plane */ struct drm_rect src, dst; @@ -798,5 +808,39 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev, #define drm_for_each_plane(plane, dev) \ list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) +bool drm_any_plane_has_format(struct drm_device *dev, + u32 format, u64 modifier); +/** + * drm_plane_get_damage_clips_count - Returns damage clips count. + * @state: Plane state. + * + * Simple helper to get the number of &drm_mode_rect clips set by user-space + * during plane update. + * + * Return: Number of clips in plane fb_damage_clips blob property. + */ +static inline unsigned int +drm_plane_get_damage_clips_count(const struct drm_plane_state *state) +{ + return (state && state->fb_damage_clips) ? + state->fb_damage_clips->length/sizeof(struct drm_mode_rect) : 0; +} + +/** + * drm_plane_get_damage_clips - Returns damage clips. + * @state: Plane state. + * + * Note that this function returns uapi type &drm_mode_rect. Drivers might + * instead be interested in internal &drm_rect which can be obtained by calling + * drm_helper_get_plane_damage_clips(). + * + * Return: Damage clips in plane fb_damage_clips blob property. + */ +static inline struct drm_mode_rect * +drm_plane_get_damage_clips(const struct drm_plane_state *state) +{ + return (struct drm_mode_rect *)((state && state->fb_damage_clips) ? + state->fb_damage_clips->data : NULL); +} #endif |