67 			    lockdep_is_held(&fpriv->minor->dev->master_mutex));  in drm_is_current_master_locked()
70 	return fpriv->is_master && drm_lease_owner(fpriv->master) == fpriv->minor->dev->master;  in drm_is_current_master_locked()
98 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
103 	mutex_lock(&dev->master_mutex);  in drm_getmagic()
111 	mutex_unlock(&dev->master_mutex);  in drm_getmagic()
113 	drm_dbg_core(dev, "%u\n", auth->magic);  in drm_getmagic()
118 int drm_authmagic(struct drm_device *dev, void *data,  in drm_authmagic()  argument
124 	drm_dbg_core(dev, "%u\n", auth->magic);  in drm_authmagic()
126 	mutex_lock(&dev->master_mutex);  in drm_authmagic()
132 	mutex_unlock(&dev->master_mutex);  in drm_authmagic()
137 struct drm_master *drm_master_create(struct drm_device *dev)  in drm_master_create()  argument
148 	master->dev = dev;  in drm_master_create()
159 static void drm_set_master(struct drm_device *dev, struct drm_file *fpriv,  in drm_set_master()  argument
162 	dev->master = drm_master_get(fpriv->master);  in drm_set_master()
163 	if (dev->driver->master_set)  in drm_set_master()
164 		dev->driver->master_set(dev, fpriv, new_master);  in drm_set_master()
169 static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)  in drm_new_set_master()  argument
174 	lockdep_assert_held_once(&dev->master_mutex);  in drm_new_set_master()
178 	new_master = drm_master_create(dev);  in drm_new_set_master()
188 	drm_set_master(dev, fpriv, true);  in drm_new_set_master()
240 drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)  in drm_master_check_perm()  argument
254 int drm_setmaster_ioctl(struct drm_device *dev, void *data,  in drm_setmaster_ioctl()  argument
259 	mutex_lock(&dev->master_mutex);  in drm_setmaster_ioctl()
261 	ret = drm_master_check_perm(dev, file_priv);  in drm_setmaster_ioctl()
268 	if (dev->master) {  in drm_setmaster_ioctl()
279 		ret = drm_new_set_master(dev, file_priv);  in drm_setmaster_ioctl()
284 		drm_dbg_lease(dev,  in drm_setmaster_ioctl()
291 	drm_set_master(dev, file_priv, false);  in drm_setmaster_ioctl()
293 	mutex_unlock(&dev->master_mutex);  in drm_setmaster_ioctl()
297 static void drm_drop_master(struct drm_device *dev,  in drm_drop_master()  argument
300 	if (dev->driver->master_drop)  in drm_drop_master()
301 		dev->driver->master_drop(dev, fpriv);  in drm_drop_master()
302 	drm_master_put(&dev->master);  in drm_drop_master()
305 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,  in drm_dropmaster_ioctl()  argument
310 	mutex_lock(&dev->master_mutex);  in drm_dropmaster_ioctl()
312 	ret = drm_master_check_perm(dev, file_priv);  in drm_dropmaster_ioctl()
321 	if (!dev->master) {  in drm_dropmaster_ioctl()
327 		drm_dbg_lease(dev,  in drm_dropmaster_ioctl()
334 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
336 	mutex_unlock(&dev->master_mutex);  in drm_dropmaster_ioctl()
342 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()  local
348 	mutex_lock(&dev->master_mutex);  in drm_master_open()
349 	if (!dev->master) {  in drm_master_open()
350 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
353 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
356 	mutex_unlock(&dev->master_mutex);  in drm_master_open()
363 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()  local
366 	mutex_lock(&dev->master_mutex);  in drm_master_release()
374 	drm_legacy_lock_master_cleanup(dev, master);  in drm_master_release()
376 	if (dev->master == file_priv->master)  in drm_master_release()
377 		drm_drop_master(dev, file_priv);  in drm_master_release()
379 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
389 	mutex_unlock(&dev->master_mutex);  in drm_master_release()
433 	struct drm_device *dev = master->dev;  in drm_master_destroy()  local
435 	if (drm_core_check_feature(dev, DRIVER_MODESET))  in drm_master_destroy()
438 	drm_legacy_master_rmmaps(dev, master);  in drm_master_destroy()
462 bool drm_master_internal_acquire(struct drm_device *dev)  in drm_master_internal_acquire()  argument
464 	mutex_lock(&dev->master_mutex);  in drm_master_internal_acquire()
465 	if (dev->master) {  in drm_master_internal_acquire()
466 		mutex_unlock(&dev->master_mutex);  in drm_master_internal_acquire()
475 void drm_master_internal_release(struct drm_device *dev)  in drm_master_internal_release()  argument
477 	mutex_unlock(&dev->master_mutex);  in drm_master_internal_release()