drm/msm/mdp5: add debugfs to show smp block status

Signed-off-by: Rob Clark <robdclark@gmail.com>
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index cb9758b..e470f4c 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -58,6 +58,11 @@ struct msm_kms_funcs {
 			bool is_cmd_mode);
 	/* cleanup: */
 	void (*destroy)(struct msm_kms *kms);
+#ifdef CONFIG_DEBUG_FS
+	/* debugfs: */
+	int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor);
+	void (*debugfs_cleanup)(struct msm_kms *kms, struct drm_minor *minor);
+#endif
 };
 
 struct msm_kms {