From d23ee0380b61e0dfd3ed56b8b4a15fd0b7956491 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 13 Mar 2012 22:00:25 +0000
Subject: [PATCH] sna: Reuse the cached upload as a source GPU bo

References: https://bugs.freedesktop.org/show_bug.cgi?id=42426
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/sna_accel.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index b0b55a49..ce13982f 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -2236,6 +2236,11 @@ sna_pixmap_move_to_gpu(PixmapPtr pixmap, unsigned flags)
 	if (priv->cpu_damage == NULL)
 		goto done;
 
+	if (priv->gpu_bo->proxy) {
+		assert((flags & MOVE_WRITE) ==0);
+		goto done;
+	}
+
 	if (priv->mapped) {
 		assert(priv->stride);
 		pixmap->devPrivate.ptr = priv->ptr;