diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_plane.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 7d4d6c7f0afd..cee9dfaaa740 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -639,10 +639,20 @@ void drm_plane_cleanup(struct drm_plane *plane); * Given a registered plane, return the index of that plane within a DRM * device's list of planes. */ -static inline unsigned int drm_plane_index(struct drm_plane *plane) +static inline unsigned int drm_plane_index(const struct drm_plane *plane) { return plane->index; } + +/** + * drm_plane_mask - find the mask of a registered plane + * @plane: plane to find mask for + */ +static inline u32 drm_plane_mask(const struct drm_plane *plane) +{ + return 1 << drm_plane_index(plane); +} + struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); void drm_plane_force_disable(struct drm_plane *plane); @@ -678,7 +688,7 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev, */ #define drm_for_each_plane_mask(plane, dev, plane_mask) \ list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ - for_each_if ((plane_mask) & (1 << drm_plane_index(plane))) + for_each_if ((plane_mask) & drm_plane_mask(plane)) /** * drm_for_each_legacy_plane - iterate over all planes for legacy userspace |