From cc167b9bb7f1c3b8579e51e7bc2fca2f8eba6bd1 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 7 Dec 2007 15:41:36 +1000
Subject: disable tiling for zaphod heads

---
 src/radeon_driver.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index 0632fd3..35b9a47 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -2118,6 +2118,10 @@ static void RADEONPreInitColorTiling(ScrnInfoPtr pScrn)
     if (!info->allowColorTiling)
 	return;
 
+    /* for zaphod disable tiling for now */
+    if (info->IsPrimary || info->IsSecondary)
+	info->allowColorTiling = FALSE;
+
 #ifdef XF86DRI
     if (info->directRenderingEnabled &&
 	info->pKernelDRMVersion->version_minor < 14) {
-- 
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