From c4c8a1b180a9d4c1126ee4fe3120128aa560306c Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 31 Mar 2014 11:23:45 +0100
Subject: [PATCH] sna: Discard damage tracking for operations to the whole
 pixmap

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/sna_accel.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 25b2ec36..6a58598a 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -3566,6 +3566,18 @@ create_gpu_bo:
 	if (priv->gpu_damage) {
 		assert(priv->gpu_bo);
 		if (!priv->cpu_damage || flags & IGNORE_CPU) {
+			if (box_covers_pixmap(pixmap, &region.extents)) {
+				unsigned int move;
+
+				if (flags & IGNORE_CPU)
+					move = MOVE_WRITE;
+				else
+					move = MOVE_WRITE | MOVE_READ;
+
+				if (sna_pixmap_move_to_gpu(pixmap, move))
+					goto use_gpu_bo;
+			}
+
 			if (sna_damage_contains_box__no_reduce(priv->gpu_damage,
 							       &region.extents)) {
 				DBG(("%s: region wholly contained within GPU damage\n",