From d9778b40260950a01a00852be43ca6c5c2d97f69 Mon Sep 17 00:00:00 2001
From: Deepak Rawat <drawat@vmware.com>
Date: Wed, 8 Aug 2018 17:36:26 -0700
Subject: drm: Add a new helper to validate damage during atomic_check

This helper function makes sure that damage from plane state is
discarded for full modeset.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
---
 drivers/gpu/drm/drm_atomic_helper.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/gpu/drm/drm_atomic_helper.c')

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index bc9fc9665614..5ed12144ceb7 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -32,6 +32,7 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_writeback.h>
+#include <drm/drm_damage_helper.h>
 #include <linux/dma-fence.h>
 
 #include "drm_crtc_helper_internal.h"
@@ -862,6 +863,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev,
 
 		drm_atomic_helper_plane_changed(state, old_plane_state, new_plane_state, plane);
 
+		drm_atomic_helper_check_plane_damage(state, new_plane_state);
+
 		if (!funcs || !funcs->atomic_check)
 			continue;
 
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