4  * DRM universal plane helper functions
43  * This helper library contains helpers to implement primary plane support on
46  * plane together with the CRTC state this does not allow userspace to disable
47  * the primary plane itself. The default primary plane only expose XRBG8888 and
54  * The plane helpers share the function table structures with other helpers,
74 	 * Note: Once we change the plane hooks to more fine-grained locking we  in get_connectors_for_crtc()
94 static int drm_plane_helper_check_update(struct drm_plane *plane,  in drm_plane_helper_check_update()  argument
107 		.plane = plane,  in drm_plane_helper_check_update()
143  * @plane: plane to update
144  * @crtc: the plane's new CRTC
145  * @fb: the plane's new framebuffer
156  * This helper validates the given parameters and updates the primary plane.
164 int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc,  in drm_plane_helper_update_primary()  argument
191 	struct drm_device *dev = plane->dev;  in drm_plane_helper_update_primary()
199 	ret = drm_plane_helper_check_update(plane, crtc, fb,  in drm_plane_helper_update_primary()
210 		 * Primary plane isn't visible.  Note that unless a driver  in drm_plane_helper_update_primary()
214 		return plane->funcs->disable_plane(plane, ctx);  in drm_plane_helper_update_primary()
245  * @plane: plane to disable
249  * plane.
257 int drm_plane_helper_disable_primary(struct drm_plane *plane,  in drm_plane_helper_disable_primary()  argument
260 	struct drm_device *dev = plane->dev;  in drm_plane_helper_disable_primary()
269  * drm_plane_helper_destroy() - Helper for primary plane destruction
270  * @plane: plane to destroy
272  * Provides a default plane destroy handler for primary planes.  This handler
273  * is called during CRTC destruction.  We disable the primary plane, remove
274  * it from the DRM plane list, and deallocate the plane structure.
276 void drm_plane_helper_destroy(struct drm_plane *plane)  in drm_plane_helper_destroy()  argument
278 	drm_plane_cleanup(plane);  in drm_plane_helper_destroy()
279 	kfree(plane);  in drm_plane_helper_destroy()