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-rw-r--r--include/drm/drmP.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 9d982d483f12..7339b2b00724 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1360,6 +1360,7 @@ extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
extern void drm_vblank_off(struct drm_device *dev, int crtc);
+extern void drm_vblank_on(struct drm_device *dev, int crtc);
extern void drm_vblank_cleanup(struct drm_device *dev);
extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
struct timeval *tvblank, unsigned flags);