From 797b27365dc09a3f84349a33cffbfdc67cba0baa Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 5 Jan 2012 10:30:47 +0000
Subject: [PATCH] sna: Don't perform a deferred attachment for vmapping if not
 supported

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/sna.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sna/sna.h b/src/sna/sna.h
index b4d109cf..110eae9d 100644
--- a/src/sna/sna.h
+++ b/src/sna/sna.h
@@ -572,6 +572,9 @@ static inline struct kgem_bo *pixmap_vmap(struct kgem *kgem, PixmapPtr pixmap)
 {
 	struct sna_pixmap *priv;
 
+	if (!kgem->has_vmap)
+		return NULL;
+
 	if (unlikely(kgem->wedged))
 		return NULL;