66 			    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()
97 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
102 	mutex_lock(&dev->master_mutex);  in drm_getmagic()
110 	mutex_unlock(&dev->master_mutex);  in drm_getmagic()
112 	drm_dbg_core(dev, "%u\n", auth->magic);  in drm_getmagic()
117 int drm_authmagic(struct drm_device *dev, void *data,  in drm_authmagic()  argument
123 	drm_dbg_core(dev, "%u\n", auth->magic);  in drm_authmagic()
125 	mutex_lock(&dev->master_mutex);  in drm_authmagic()
131 	mutex_unlock(&dev->master_mutex);  in drm_authmagic()
136 struct drm_master *drm_master_create(struct drm_device *dev)  in drm_master_create()  argument
146 	master->dev = dev;  in drm_master_create()
157 static void drm_set_master(struct drm_device *dev, struct drm_file *fpriv,  in drm_set_master()  argument
160 	dev->master = drm_master_get(fpriv->master);  in drm_set_master()
161 	if (dev->driver->master_set)  in drm_set_master()
162 		dev->driver->master_set(dev, fpriv, new_master);  in drm_set_master()
167 static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)  in drm_new_set_master()  argument
172 	lockdep_assert_held_once(&dev->master_mutex);  in drm_new_set_master()
176 	new_master = drm_master_create(dev);  in drm_new_set_master()
186 	drm_set_master(dev, fpriv, true);  in drm_new_set_master()
238 drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)  in drm_master_check_perm()  argument
252 int drm_setmaster_ioctl(struct drm_device *dev, void *data,  in drm_setmaster_ioctl()  argument
257 	mutex_lock(&dev->master_mutex);  in drm_setmaster_ioctl()
259 	ret = drm_master_check_perm(dev, file_priv);  in drm_setmaster_ioctl()
266 	if (dev->master) {  in drm_setmaster_ioctl()
277 		ret = drm_new_set_master(dev, file_priv);  in drm_setmaster_ioctl()
282 		drm_dbg_lease(dev,  in drm_setmaster_ioctl()
289 	drm_set_master(dev, file_priv, false);  in drm_setmaster_ioctl()
291 	mutex_unlock(&dev->master_mutex);  in drm_setmaster_ioctl()
295 static void drm_drop_master(struct drm_device *dev,  in drm_drop_master()  argument
298 	if (dev->driver->master_drop)  in drm_drop_master()
299 		dev->driver->master_drop(dev, fpriv);  in drm_drop_master()
300 	drm_master_put(&dev->master);  in drm_drop_master()
303 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,  in drm_dropmaster_ioctl()  argument
308 	mutex_lock(&dev->master_mutex);  in drm_dropmaster_ioctl()
310 	ret = drm_master_check_perm(dev, file_priv);  in drm_dropmaster_ioctl()
319 	if (!dev->master) {  in drm_dropmaster_ioctl()
325 		drm_dbg_lease(dev,  in drm_dropmaster_ioctl()
332 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
334 	mutex_unlock(&dev->master_mutex);  in drm_dropmaster_ioctl()
340 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()  local
346 	mutex_lock(&dev->master_mutex);  in drm_master_open()
347 	if (!dev->master) {  in drm_master_open()
348 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
351 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
354 	mutex_unlock(&dev->master_mutex);  in drm_master_open()
361 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()  local
364 	mutex_lock(&dev->master_mutex);  in drm_master_release()
372 	if (dev->master == file_priv->master)  in drm_master_release()
373 		drm_drop_master(dev, file_priv);  in drm_master_release()
375 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
385 	mutex_unlock(&dev->master_mutex);  in drm_master_release()
429 	struct drm_device *dev = master->dev;  in drm_master_destroy()  local
431 	if (drm_core_check_feature(dev, DRIVER_MODESET))  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()