94 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
100 	if (!file_priv->magic) {  in drm_getmagic()
101 		ret = idr_alloc(&file_priv->master->magic_map, file_priv,  in drm_getmagic()
104 			file_priv->magic = ret;  in drm_getmagic()
106 	auth->magic = file_priv->magic;  in drm_getmagic()
115 		  struct drm_file *file_priv)  in drm_authmagic()  argument
123 	file = idr_find(&file_priv->master->magic_map, auth->magic);  in drm_authmagic()
126 		idr_replace(&file_priv->master->magic_map, NULL, auth->magic);  in drm_authmagic()
236 drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)  in drm_master_check_perm()  argument
238 	if (file_priv->pid == task_pid(current) && file_priv->was_master)  in drm_master_check_perm()
248 			struct drm_file *file_priv)  in drm_setmaster_ioctl()  argument
254 	ret = drm_master_check_perm(dev, file_priv);  in drm_setmaster_ioctl()
258 	if (drm_is_current_master_locked(file_priv))  in drm_setmaster_ioctl()
266 	if (!file_priv->master) {  in drm_setmaster_ioctl()
271 	if (!file_priv->is_master) {  in drm_setmaster_ioctl()
272 		ret = drm_new_set_master(dev, file_priv);  in drm_setmaster_ioctl()
276 	if (file_priv->master->lessor != NULL) {  in drm_setmaster_ioctl()
277 		DRM_DEBUG_LEASE("Attempt to set lessee %d as master\n", file_priv->master->lessee_id);  in drm_setmaster_ioctl()
282 	drm_set_master(dev, file_priv, false);  in drm_setmaster_ioctl()
297 			 struct drm_file *file_priv)  in drm_dropmaster_ioctl()  argument
303 	ret = drm_master_check_perm(dev, file_priv);  in drm_dropmaster_ioctl()
307 	if (!drm_is_current_master_locked(file_priv)) {  in drm_dropmaster_ioctl()
317 	if (file_priv->master->lessor != NULL) {  in drm_dropmaster_ioctl()
318 		DRM_DEBUG_LEASE("Attempt to drop lessee %d as master\n", file_priv->master->lessee_id);  in drm_dropmaster_ioctl()
323 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
329 int drm_master_open(struct drm_file *file_priv)  in drm_master_open()  argument
331 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()
339 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
341 		spin_lock(&file_priv->master_lookup_lock);  in drm_master_open()
342 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
343 		spin_unlock(&file_priv->master_lookup_lock);  in drm_master_open()
350 void drm_master_release(struct drm_file *file_priv)  in drm_master_release()  argument
352 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()
356 	master = file_priv->master;  in drm_master_release()
357 	if (file_priv->magic)  in drm_master_release()
358 		idr_remove(&file_priv->master->magic_map, file_priv->magic);  in drm_master_release()
360 	if (!drm_is_current_master_locked(file_priv))  in drm_master_release()
365 	if (dev->master == file_priv->master)  in drm_master_release()
366 		drm_drop_master(dev, file_priv);  in drm_master_release()
368 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
376 	if (file_priv->master)  in drm_master_release()
377 		drm_master_put(&file_priv->master);  in drm_master_release()
404 struct drm_master *drm_file_get_master(struct drm_file *file_priv)  in drm_file_get_master()  argument
408 	spin_lock(&file_priv->master_lookup_lock);  in drm_file_get_master()
409 	if (!file_priv->master)  in drm_file_get_master()
411 	master = drm_master_get(file_priv->master);  in drm_file_get_master()
414 	spin_unlock(&file_priv->master_lookup_lock);  in drm_file_get_master()