1 files changed, 1 insertions, 0 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index b78601bb7c46..f1f7f15ce0f3 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -908,6 +908,7 @@ extern void drm_send_vblank_event(struct drm_device *dev, int crtc,
 extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc,
                                        struct drm_pending_vblank_event *e);
 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
+extern bool drm_crtc_handle_vblank(struct drm_crtc *crtc);
 extern int drm_vblank_get(struct drm_device *dev, int crtc);
 extern void drm_vblank_put(struct drm_device *dev, int crtc);
 extern int drm_crtc_vblank_get(struct drm_crtc *crtc);