diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c
index 9cebfe370a65..1e1356560c2e 100644
--- a/drivers/gpu/drm/drm_managed.c
+++ b/drivers/gpu/drm/drm_managed.c
@@ -14,6 +14,8 @@
 #include <drm/drm_device.h>
 #include <drm/drm_print.h>
 
+#include "drm_internal.h"
+
 /**
  * DOC: managed resources
  *