drm: Add some missing forward declarations

The drm_file and drm_clip_rect structures are used throughout the file
but they are never declared nor pulled in through an include. Add
forward declarations to make them available.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 77627184775c..8839b3a24660 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -38,7 +38,8 @@ struct drm_device;
 struct drm_mode_set;
 struct drm_framebuffer;
 struct drm_object_properties;
-
+struct drm_file;
+struct drm_clip_rect;
 
 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0