diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 801be59..080a6e3 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -798,4 +798,11 @@
 extern bool drm_edid_is_valid(struct edid *edid);
 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
 					   int hsize, int vsize, int fresh);
+
+extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
+				      void *data, struct drm_file *file_priv);
+extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
+				    void *data, struct drm_file *file_priv);
+extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
+				      void *data, struct drm_file *file_priv);
 #endif /* __DRM_CRTC_H__ */