diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 8f290535c861d2d346ba50f79d4ac32231558ef0..9ec332360d08c27196bad2c07aa265b296e861f5 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2989,10 +2989,10 @@ EXPORT_SYMBOL(drm_atomic_helper_disable_planes_on_crtc);
 /**
  * drm_atomic_helper_cleanup_planes - cleanup plane resources after commit
  * @dev: DRM device
- * @old_state: atomic state object with old state structures
+ * @state: atomic state object being committed
  *
  * This function cleans up plane state, specifically framebuffers, from the old
- * configuration. Hence the old configuration must be perserved in @old_state to
+ * configuration. Hence the old configuration must be perserved in @state to
  * be able to call this function.
  *
  * This function may not be called on the new state when the atomic update
@@ -3000,13 +3000,13 @@ EXPORT_SYMBOL(drm_atomic_helper_disable_planes_on_crtc);
  * drm_atomic_helper_unprepare_planes() in this case.
  */
 void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
-				      struct drm_atomic_state *old_state)
+				      struct drm_atomic_state *state)
 {
 	struct drm_plane *plane;
 	struct drm_plane_state *old_plane_state;
 	int i;
 
-	for_each_old_plane_in_state(old_state, plane, old_plane_state, i) {
+	for_each_old_plane_in_state(state, plane, old_plane_state, i) {
 		const struct drm_plane_helper_funcs *funcs = plane->helper_private;
 
 		if (funcs->cleanup_fb)