67 			    lockdep_is_held(&fpriv->minor->dev->master_mutex));  in drm_is_current_master_locked()
69 	return fpriv->is_master && drm_lease_owner(fpriv->master) == fpriv->minor->dev->master;  in drm_is_current_master_locked()
94 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
99 	mutex_lock(&dev->master_mutex);  in drm_getmagic()
107 	mutex_unlock(&dev->master_mutex);  in drm_getmagic()
109 	drm_dbg_core(dev, "%u\n", auth->magic);  in drm_getmagic()
114 int drm_authmagic(struct drm_device *dev, void *data,  in drm_authmagic()  argument
120 	drm_dbg_core(dev, "%u\n", auth->magic);  in drm_authmagic()
122 	mutex_lock(&dev->master_mutex);  in drm_authmagic()
128 	mutex_unlock(&dev->master_mutex);  in drm_authmagic()
133 struct drm_master *drm_master_create(struct drm_device *dev)  in drm_master_create()  argument
144 	master->dev = dev;  in drm_master_create()
155 static void drm_set_master(struct drm_device *dev, struct drm_file *fpriv,  in drm_set_master()  argument
158 	dev->master = drm_master_get(fpriv->master);  in drm_set_master()
159 	if (dev->driver->master_set)  in drm_set_master()
160 		dev->driver->master_set(dev, fpriv, new_master);  in drm_set_master()
165 static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)  in drm_new_set_master()  argument
170 	lockdep_assert_held_once(&dev->master_mutex);  in drm_new_set_master()
174 	new_master = drm_master_create(dev);  in drm_new_set_master()
184 	drm_set_master(dev, fpriv, true);  in drm_new_set_master()
236 drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)  in drm_master_check_perm()  argument
248 int drm_setmaster_ioctl(struct drm_device *dev, void *data,  in drm_setmaster_ioctl()  argument
253 	mutex_lock(&dev->master_mutex);  in drm_setmaster_ioctl()
255 	ret = drm_master_check_perm(dev, file_priv);  in drm_setmaster_ioctl()
262 	if (dev->master) {  in drm_setmaster_ioctl()
273 		ret = drm_new_set_master(dev, file_priv);  in drm_setmaster_ioctl()
278 		drm_dbg_lease(dev,  in drm_setmaster_ioctl()
285 	drm_set_master(dev, file_priv, false);  in drm_setmaster_ioctl()
287 	mutex_unlock(&dev->master_mutex);  in drm_setmaster_ioctl()
291 static void drm_drop_master(struct drm_device *dev,  in drm_drop_master()  argument
294 	if (dev->driver->master_drop)  in drm_drop_master()
295 		dev->driver->master_drop(dev, fpriv);  in drm_drop_master()
296 	drm_master_put(&dev->master);  in drm_drop_master()
299 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,  in drm_dropmaster_ioctl()  argument
304 	mutex_lock(&dev->master_mutex);  in drm_dropmaster_ioctl()
306 	ret = drm_master_check_perm(dev, file_priv);  in drm_dropmaster_ioctl()
315 	if (!dev->master) {  in drm_dropmaster_ioctl()
321 		drm_dbg_lease(dev,  in drm_dropmaster_ioctl()
328 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
330 	mutex_unlock(&dev->master_mutex);  in drm_dropmaster_ioctl()
336 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()  local
342 	mutex_lock(&dev->master_mutex);  in drm_master_open()
343 	if (!dev->master) {  in drm_master_open()
344 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
347 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
350 	mutex_unlock(&dev->master_mutex);  in drm_master_open()
357 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()  local
360 	mutex_lock(&dev->master_mutex);  in drm_master_release()
368 	drm_legacy_lock_master_cleanup(dev, master);  in drm_master_release()
370 	if (dev->master == file_priv->master)  in drm_master_release()
371 		drm_drop_master(dev, file_priv);  in drm_master_release()
373 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
383 	mutex_unlock(&dev->master_mutex);  in drm_master_release()
427 	struct drm_device *dev = master->dev;  in drm_master_destroy()  local
429 	if (drm_core_check_feature(dev, DRIVER_MODESET))  in drm_master_destroy()
432 	drm_legacy_master_rmmaps(dev, master);  in drm_master_destroy()
456 bool drm_master_internal_acquire(struct drm_device *dev)  in drm_master_internal_acquire()  argument
458 	mutex_lock(&dev->master_mutex);  in drm_master_internal_acquire()
459 	if (dev->master) {  in drm_master_internal_acquire()
460 		mutex_unlock(&dev->master_mutex);  in drm_master_internal_acquire()
469 void drm_master_internal_release(struct drm_device *dev)  in drm_master_internal_release()  argument
471 	mutex_unlock(&dev->master_mutex);  in drm_master_internal_release()