drm/amdkcl: Add XEC macro

Signed-off-by: Kent Russell <[email protected]>
Change-Id: Ie4351cb90a263486c58675f1c816d4bd1fe11d4c

Author: kentrussell

drivers/gpu/drm/amd/backport/backport.h

@@ -82,5 +82,6 @@
 #include "kcl/kcl_amdgpu.h"
 #include "kcl/kcl_amdgpu_drm_drv.h"
 #include "kcl/kcl_drm_gem_ttm_helper.h"
+#include "kcl/kcl_mce.h"
 
 #endif /* AMDGPU_BACKPORT_H */

include/kcl/kcl_mce.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef AMDKCL_MCE_H
+#define AMDKCL_MCE_H
+
+#include <asm/mce.h>
+/* Copied from asm/mce.h */
+#ifndef XEC
+#define XEC(x, mask)			(((x) >> 16) & mask)
+#endif
+
+#endif