diff --git a/drivers/gpu/drm/i915/oa/Makefile b/drivers/gpu/drm/i915/oa/Makefile
index e69de29bb2d1..256bfde4a287 100644
--- a/drivers/gpu/drm/i915/oa/Makefile
+++ b/drivers/gpu/drm/i915/oa/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: MIT
+
+# For building individual subdir files on the command line
+subdir-ccflags-y += -I$(srctree)/$(src)/..