From 1627af54497bee659ea30f2850b39cbbf576e22d Mon Sep 17 00:00:00 2001
From: Jonathan Lim <jlim@sgi.com>
Date: Fri, 26 Jan 2007 13:00:45 +0100
Subject: [PATCH] Call linuxPciOpenFile() for r/w access if applicable.

Currently, the call to linuxPciOpenFile() is always made for read
only access which causes the subsequent mmap call to fail when the
memory is mapped read/write.

Xorg #9692
---
 hw/xfree86/os-support/bus/linuxPci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/xfree86/os-support/bus/linuxPci.c b/hw/xfree86/os-support/bus/linuxPci.c
index 03388f1ff..55ed87859 100644
--- a/hw/xfree86/os-support/bus/linuxPci.c
+++ b/hw/xfree86/os-support/bus/linuxPci.c
@@ -570,7 +570,8 @@ linuxMapPci(int ScreenNum, int Flags, PCITAG Tag,
 
 	xf86InitVidMem();
 
-	if (((fd = linuxPciOpenFile(Tag ,FALSE)) < 0) ||
+       prot = ((Flags & VIDMEM_READONLY) == 0);
+       if (((fd = linuxPciOpenFile(Tag, prot)) < 0) ||
 	    (ioctl(fd, mmap_ioctl, 0) < 0))
 	    break;