drm/doc: Fix missing @ctx documentation

Forgot to add this :(

Fixes: 1931529448bc ("drm: Add acquire ctx parameter to ->plane_disable")
Cc: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170413074007.7620-1-daniel.vetter@ffwll.ch

diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index b84a295230fcd4ba7f7493a53d219e5c2ae93d4b..9854a503e20105fd70edd68fbd96c83e3bef95a5 100644 (file)
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -381,6 +381,7 @@ EXPORT_SYMBOL(drm_primary_helper_update);
 /**
  * drm_primary_helper_disable() - Helper for primary plane disable
  * @plane: plane to disable
+ * @ctx: lock acquire context, not used here
  *
  * Provides a default plane disable handler for primary planes.  This is handler
  * is called in response to a userspace SetPlane operation on the plane with a