[PATCH v2 02/16] drm: add missing header guards to drm_crtc_helper_internal.h

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Including the file twice can lead to errors.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/drm_crtc_helper_internal.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h b/drivers/gpu/drm/drm_crtc_helper_internal.h
index 28e04e750130..ed4deed07abd 100644
--- a/drivers/gpu/drm/drm_crtc_helper_internal.h
+++ b/drivers/gpu/drm/drm_crtc_helper_internal.h
@@ -26,6 +26,9 @@
  * implementation details and are not exported to drivers.
  */
 
+#ifndef __DRM_CRTC_HELPER_INTERNAL_H__
+#define __DRM_CRTC_HELPER_INTERNAL_H__
+
 #include <drm/drm_connector.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_encoder.h>
@@ -44,3 +47,5 @@ drm_connector_mode_valid(struct drm_connector *connector,
 
 struct drm_encoder *
 drm_connector_get_single_encoder(struct drm_connector *connector);
+
+#endif /* __DRM_CRTC_HELPER_INTERNAL_H__ */
-- 
2.39.2




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