diff -Nur gdm-2.20.0/gui/gdmcommon.c gdm-2.20.0.new/gui/gdmcommon.c
--- gdm-2.20.0/gui/gdmcommon.c	2007-10-15 01:07:16.000000000 +0100
+++ gdm-2.20.0.new/gui/gdmcommon.c	2007-10-15 01:08:55.000000000 +0100
@@ -37,6 +37,7 @@
 #include <glib/gi18n.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
+#include <X11/extensions/Xrandr.h>
 
 #include "gdm.h"
 #include "gdmcommon.h"
@@ -200,6 +201,52 @@
 }
 
 void
+gdm_common_setup_xrandr ()
+{
+	XRRScreenResources *res;
+	XRROutputInfo *output_info;
+	XRRScreenConfiguration *sc;
+	Rotation current_rotation;
+	Display *dpy = XOpenDisplay (gdk_get_display());
+	Window root = RootWindow (dpy, DefaultScreen (dpy));
+
+	res = XRRGetScreenResources (dpy, root);
+
+	if (!res)
+		goto out;
+
+	if (res->noutput > 1)
+		goto out_resources;
+
+	output_info = XRRGetOutputInfo (dpy, res, res->outputs[0]);
+
+	if (!output_info)
+		goto out_resources;
+
+	if (strcmp (output_info->name, "default"))
+		goto out_outputinfo;
+
+	/* So it looks like we have a randr1.0 driver */
+	
+	sc = XRRGetScreenInfo (dpy, root);
+
+	if (!sc)
+		goto out_outputinfo;
+
+	XRRConfigRotations (sc, &current_rotation);
+
+	XRRSetScreenConfig (dpy, sc, root, 0, current_rotation, CurrentTime);
+
+	XRRFreeScreenConfigInfo (sc);
+ out_outputinfo:
+	XRRFreeOutputInfo (output_info);
+ out_resources:
+	XRRFreeScreenResources (res);
+ out:
+	XCloseDisplay (dpy);
+}
+
+void
 gdm_common_setup_cursor (GdkCursorType type)
 {
 	GdkCursor *cursor = gdk_cursor_new (type);
diff -Nur gdm-2.20.0/gui/gdmcommon.h gdm-2.20.0.new/gui/gdmcommon.h
--- gdm-2.20.0/gui/gdmcommon.h	2007-09-17 15:45:38.000000000 +0100
+++ gdm-2.20.0.new/gui/gdmcommon.h	2007-10-15 01:07:17.000000000 +0100
@@ -45,6 +45,7 @@
 					     G_GNUC_PRINTF (1, 2);
 
 /* Misc. Common Functions */
+void      gdm_common_setup_xrandr           (void);
 void	  gdm_common_setup_cursor	    (GdkCursorType type);
 
 void      gdm_common_setup_builtin_icons    (void);
diff -Nur gdm-2.20.0/gui/greeter/greeter.c gdm-2.20.0.new/gui/greeter/greeter.c
--- gdm-2.20.0/gui/greeter/greeter.c	2007-10-15 01:07:15.000000000 +0100
+++ gdm-2.20.0.new/gui/greeter/greeter.c	2007-10-15 01:07:17.000000000 +0100
@@ -1294,6 +1294,8 @@
 
   gtk_init (&argc, &argv);
 
+  gdm_common_setup_xrandr ();
+
   gdm_common_setup_cursor (GDK_WATCH);
 
   gdm_common_log_init ();