178 struct drm_driver {  struct
195 	int (*load) (struct drm_device *, unsigned long flags);
215 	int (*open) (struct drm_device *, struct drm_file *);
229 	void (*postclose) (struct drm_device *, struct drm_file *);
257 	void (*lastclose) (struct drm_device *);
274 	void (*unload) (struct drm_device *);
286 	void (*release) (struct drm_device *);
293 	void (*master_set)(struct drm_device *dev, struct drm_file *file_priv,
300 	void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv);
307 	void (*debugfs_init)(struct drm_minor *minor);
316 	struct drm_gem_object *(*gem_create_object)(struct drm_device *dev,
324 	int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv,
331 	int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv,
341 	struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
349 	struct drm_gem_object *(*gem_prime_import_sg_table)(
375 	int (*dumb_create)(struct drm_file *file_priv,
393 	int (*dumb_map_offset)(struct drm_file *file_priv,
419 	 * Driver features, see &enum drm_driver_feature. Drivers can disable  argument
430 	 * chapter<drm_driver_ioctl>` for the full details.  argument
448 			   const struct drm_driver *driver,  argument