fix compat output segfault on output less gpus.

0001-xf86-return-NULL-for-compat-output-if-no-outputs.patch

@@ -0,0 +1,30 @@
+From f0ae8cbbb8b88c04b256a6895c21a056dddbbbb1 Mon Sep 17 00:00:00 2001
+From: Dave Airlie <airlied@redhat.com>
+Date: Mon, 10 Sep 2012 11:14:20 +1000
+Subject: [PATCH] xf86: return NULL for compat output if no outputs.
+
+With outputless GPUs showing up we crash here if there are not outputs
+try and recover with a bit of grace.
+
+Signed-off-by: Dave Airlie <airlied@redhat.com>
+---
+ hw/xfree86/modes/xf86Crtc.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
+index 803de88..7419400 100644
+--- a/hw/xfree86/modes/xf86Crtc.c
++++ b/hw/xfree86/modes/xf86Crtc.c
+@@ -1764,6 +1764,9 @@ SetCompatOutput(xf86CrtcConfigPtr config)
+     DisplayModePtr maxmode = NULL, testmode, mode;
+     int o, compat = -1, count, mincount = 0;
+ 
++    if (config->num_output == 0)
++        return NULL;
++
+     /* Look for one that's definitely connected */
+     for (o = 0; o < config->num_output; o++) {
+         test = config->output[o];
+-- 
+1.7.10.2
+

xorg-x11-server.spec

@@ -43,7 +43,7 @@
 Summary:   X.Org X11 X server
 Name:      xorg-x11-server
 Version:   1.13.0
-Release:   1%{?gitdate:.%{gitdate}}%{dist}
+Release:   2%{?gitdate:.%{gitdate}}%{dist}
 URL:       http://www.x.org
 License:   MIT
 Group:     User Interface/X
@@ -109,6 +109,8 @@ Patch7042: 0003-xf86-fix-multi-seat-video-device-support.patch
 # backport dri2 drawable fix
 Patch7051: 0001-dri2-invalidate-drawable-after-sharing-pixmap.patch
 
+Patch7052: 0001-xf86-return-NULL-for-compat-output-if-no-outputs.patch
+
 %global moduledir	%{_libdir}/xorg/modules
 %global drimoduledir	%{_libdir}/dri
 %global sdkdir		%{_includedir}/xorg
@@ -581,6 +583,9 @@ rm -rf $RPM_BUILD_ROOT
 %{xserver_source_dir}
 
 %changelog
+* Mon Sep 10 2012 Dave Airlie <airlied@redhat.com> 1.13.0-2
+- fix compat output segfault on output less gpus.
+
 * Fri Sep 07 2012 Dave Airlie <airlied@redhat.com> 1.13.0-1
 - rebase to upstream 1.13.0 release tarball