--- ./amd/display/amdgpu_dm/amdgpu_dm_mst_types.c.orig	2019-07-06 00:42:03.000000000 +0000
+++ ./amd/display/amdgpu_dm/amdgpu_dm_mst_types.c	2019-07-23 17:48:36.555768491 +0000
@@ -25,6 +25,9 @@
 
 #include <linux/version.h>
 #include <drm/drm_atomic_helper.h>
+#if DRM_VERSION_CODE >= DRM_VERSION(5, 1, 0)
+#include <drm/drm_probe_helper.h>
+#endif
 #include "dm_services.h"
 #include "amdgpu.h"
 #include "amdgpu_dm.h"