6  * DRM framebuffer helper functions
74  * Driver callbacks used by the fbdev emulation helper library.
91 	int (*fb_probe)(struct drm_fb_helper *helper,
99  * @funcs: driver callbacks for fb helper
141 	 * Top-level FBDEV helper lock. This protects all internal data
145 	 * protect all helper internal state with this lock as well as reduce
169 	 * If no outputs are connected (disconnected or unknown) the FB helper
182 	 * FB helper initialization. This needs to be tracked so that deferred
183 	 * FB helper setup can pass this on.
197  * define DRM_FB_HELPER_DEFAULT_OPS - helper define for drm drivers
199  * Helper define to register default implementations of drm_fb_helper
213 void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
215 int drm_fb_helper_init(struct drm_device *dev, struct drm_fb_helper *helper);
216 void drm_fb_helper_fini(struct drm_fb_helper *helper);
275 					struct drm_fb_helper *helper,  in drm_fb_helper_prepare()  argument
281 		       struct drm_fb_helper *helper)  in drm_fb_helper_init()  argument
284 	helper->dev = dev;  in drm_fb_helper_init()
285 	dev->fb_helper = helper;  in drm_fb_helper_init()
290 static inline void drm_fb_helper_fini(struct drm_fb_helper *helper)  in drm_fb_helper_fini()  argument
292 	if (helper && helper->dev)  in drm_fb_helper_fini()
293 		helper->dev->fb_helper = NULL;  in drm_fb_helper_fini()