From b879de6246d3f2e66e9c7e326db93e5ff390159f Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 11 Jun 2014 14:08:31 +0100
Subject: [PATCH] sna: Recheck source bo after migrating dst (in case of src ==
 dst)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/sna_blt.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/sna/sna_blt.c b/src/sna/sna_blt.c
index 958d4f97..f3a9cc2c 100644
--- a/src/sna/sna_blt.c
+++ b/src/sna/sna_blt.c
@@ -2789,8 +2789,13 @@ fill:
 	tmp->dst.bo = sna_drawable_use_bo(dst->pDrawable, hint,
 					  &dst_box, &tmp->damage);
 
-	if (tmp->dst.bo && hint & REPLACES)
-		kgem_bo_undo(&sna->kgem, tmp->dst.bo);
+	if (tmp->dst.bo && hint & REPLACES) {
+		struct sna_pixmap *priv = sna_pixmap(tmp->dst.pixmap);
+		kgem_bo_pair_undo(&sna->kgem, priv->gpu_bo, priv->cpu_bo);
+	}
+
+	if (tmp->dst.pixmap == src_pixmap)
+		bo = __sna_render_pixmap_bo(sna, src_pixmap, &src_box, true);
 
 	ret = false;
 	if (bo) {