bool is_primary);
extern void drm_plane_cleanup(struct drm_plane *plane);
extern unsigned int drm_plane_index(struct drm_plane *plane);
+extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx);
extern void drm_plane_force_disable(struct drm_plane *plane);
extern int drm_plane_check_pixel_format(const struct drm_plane *plane,
u32 format);