189 	unsigned int old, new, prev;  in drm_lock_take()  local
194 		old = *lock;  in drm_lock_take()
195 		if (old & _DRM_LOCK_HELD)  in drm_lock_take()
196 			new = old | _DRM_LOCK_CONT;  in drm_lock_take()
202 		prev = cmpxchg(lock, old, new);  in drm_lock_take()
203 	} while (prev != old);  in drm_lock_take()
206 	if (_DRM_LOCKING_CONTEXT(old) == context) {  in drm_lock_take()
207 		if (old & _DRM_LOCK_HELD) {  in drm_lock_take()
238 	unsigned int old, new, prev;  in drm_lock_transfer()  local
243 		old = *lock;  in drm_lock_transfer()
245 		prev = cmpxchg(lock, old, new);  in drm_lock_transfer()
246 	} while (prev != old);  in drm_lock_transfer()
263 	unsigned int old, new, prev;  in drm_legacy_lock_free()  local
276 		old = *lock;  in drm_legacy_lock_free()
277 		new = _DRM_LOCKING_CONTEXT(old);  in drm_legacy_lock_free()
278 		prev = cmpxchg(lock, old, new);  in drm_legacy_lock_free()
279 	} while (prev != old);  in drm_legacy_lock_free()
281 	if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {  in drm_legacy_lock_free()
283 			  context, _DRM_LOCKING_CONTEXT(old));  in drm_legacy_lock_free()
305 	unsigned int old, new, prev;  in drm_notifier()  local
315 		old = lock->lock;  in drm_notifier()
316 		new = old | _DRM_LOCK_CONT;  in drm_notifier()
317 		prev = cmpxchg(&lock->lock, old, new);  in drm_notifier()
318 	} while (prev != old);  in drm_notifier()
356 	unsigned int old, prev;  in drm_legacy_idlelock_release()  local
363 				old = *lock;  in drm_legacy_idlelock_release()
364 				prev = cmpxchg(lock, old, DRM_KERNEL_CONTEXT);  in drm_legacy_idlelock_release()
365 			} while (prev != old);  in drm_legacy_idlelock_release()