+#ifndef _DRM_AUTH_H_
+#define _DRM_AUTH_H_
+
/*
* Internal Header for the Direct Rendering Manager
*
* OTHER DEALINGS IN THE SOFTWARE.
*/
-#ifndef _DRM_AUTH_H_
-#define _DRM_AUTH_H_
+#include <linux/idr.h>
+#include <linux/kref.h>
+#include <linux/wait.h>
+
+struct drm_file;
+struct drm_hw_lock;
/*
* Legacy DRI1 locking data structure. Only here instead of in drm_legacy.h for