diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 7715c40d4e742746642376d121c1d42a743a72ac..a7458813af2b8b7dcf81ccca746f0e8ae6d60634 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1096,9 +1096,9 @@ EXPORT_SYMBOL(drm_atomic_helper_commit);
  */
 
 /**
- * drm_atomic_helper_prepare_planes - prepare plane resources after commit
+ * drm_atomic_helper_prepare_planes - prepare plane resources before commit
  * @dev: DRM device
- * @state: atomic state object with old state structures
+ * @state: atomic state object with new state structures
  *
  * This function prepares plane state, specifically framebuffers, for the new
  * configuration. If any failure is encountered this function will call