From bddac63de2d26c6ad4ade2f0a038d756f7a41424 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 10 Nov 2011 10:55:13 +0000
Subject: [PATCH] sna: Defer purging a target buffer

This is to keep the sanity checks upon the caches happy by keeping a
potential flush out of the inactive cache.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/kgem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 8d2295af..701c2c20 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -602,7 +602,7 @@ static void __kgem_bo_destroy(struct kgem *kgem, struct kgem_bo *bo)
 	if(!bo->reusable)
 		goto destroy;
 
-	if (bo->purgeable && !bo->rq) {
+	if (bo->purgeable && !bo->rq && !bo->needs_flush) {
 		assert(!bo->purged);
 
 		if (!gem_madvise(kgem->fd, bo->handle, I915_MADV_DONTNEED)) {