diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst
index 58b375e47615..14102ae035dc 100644
--- a/Documentation/gpu/drm-kms-helpers.rst
+++ b/Documentation/gpu/drm-kms-helpers.rst
@@ -107,6 +107,12 @@ fbdev Helper Functions Reference
 .. kernel-doc:: drivers/gpu/drm/drm_fb_helper.c
    :export:
 
+format Helper Functions Reference
+=================================
+
+.. kernel-doc:: drivers/gpu/drm/drm_format_helper.c
+   :export:
+
 Framebuffer CMA Helper Functions Reference
 ==========================================
 
diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c
index da388012df2a..a18da35145b7 100644
--- a/drivers/gpu/drm/drm_format_helper.c
+++ b/drivers/gpu/drm/drm_format_helper.c
@@ -235,7 +235,6 @@ static void drm_fb_xrgb8888_to_rgb888_line(u8 *dbuf, u32 *sbuf,
  * @vaddr: XRGB8888 source buffer
  * @fb: DRM framebuffer
  * @clip: Clip rectangle area to copy
- * @dstclip: Clip destination too.
  *
  * Drivers can use this function for RGB888 devices that don't natively
  * support XRGB8888.