From b26c136ee9bf7015c583136af53d0c9e9da67ace Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <daenzer@vmware.com>
Date: Thu, 26 Feb 2009 10:35:44 +0100
Subject: [PATCH] EXA: Stop tracking damage for pixmaps subject to
 ModifyPixmapHeader.
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Signed-off-by: Michel Dänzer <daenzer@vmware.com>
---
 exa/exa.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/exa/exa.c b/exa/exa.c
index 9329f1094..a64769905 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -431,6 +431,15 @@ exaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height, int depth,
             exaSetAccelBlock(pExaScr, pExaPixmap,
                              width, height, bitsPerPixel);
         }
+
+	/* Pixmaps subject to ModifyPixmapHeader will be pinned to system or
+	 * offscreen memory, so there's no need to track damage.
+	 */
+	if (pExaPixmap->pDamage) {
+	    DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+	    DamageDestroy(pExaPixmap->pDamage);
+	    pExaPixmap->pDamage = NULL;
+	}
     }