diff --git a/[refs] b/[refs]
index b785e885390a..fdccb4a72e25 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1f73cca799d29df80de3e8f1f1c488485467577a
+refs/heads/master: cff91b625f2cd607ddb7a82b453f7c67906b70db
diff --git a/trunk/drivers/gpu/drm/drm_crtc.c b/trunk/drivers/gpu/drm/drm_crtc.c
index 92cea9d77ec9..5c3f30cbe535 100644
--- a/trunk/drivers/gpu/drm/drm_crtc.c
+++ b/trunk/drivers/gpu/drm/drm_crtc.c
@@ -2116,7 +2116,7 @@ int drm_mode_addfb(struct drm_device *dev,
 	return ret;
 }
 
-static int format_check(struct drm_mode_fb_cmd2 *r)
+static int format_check(const struct drm_mode_fb_cmd2 *r)
 {
 	uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
 
@@ -2185,7 +2185,7 @@ static int format_check(struct drm_mode_fb_cmd2 *r)
 	}
 }
 
-static int framebuffer_check(struct drm_mode_fb_cmd2 *r)
+static int framebuffer_check(const struct drm_mode_fb_cmd2 *r)
 {
 	int ret, hsub, vsub, num_planes, i;