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-rw-r--r--drivers/gpu/drm/i915/display/Makefile6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/Makefile b/drivers/gpu/drm/i915/display/Makefile
index 1c75b5c9790c..173c305d7866 100644
--- a/drivers/gpu/drm/i915/display/Makefile
+++ b/drivers/gpu/drm/i915/display/Makefile
@@ -1,2 +1,6 @@
+# For building individual subdir files on the command line
+subdir-ccflags-y += -I$(srctree)/$(src)/..
+
# Extra header tests
-include $(src)/Makefile.header-test
+header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h
+header-test- := intel_vbt_defs.h