[Intel-gfx] [RFC 2/3] drm/i915: ensure headers remain self-contained

[Jani Nikula]

Use the new header test facility.

Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
Cc: Michal Marek <michal.lkml at markovi.net>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 1787e1299b1b..05d01a3830d0 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -204,3 +204,6 @@ i915-y += intel_lpe_audio.o
 
 obj-$(CONFIG_DRM_I915) += i915.o
 obj-$(CONFIG_DRM_I915_GVT_KVMGT) += gvt/kvmgt.o
+
+header-test-y := \
+	i915_drv.h
-- 
2.20.1