From 2b3faf2a75a1acc3b799a2868c55736c94a8183f Mon Sep 17 00:00:00 2001
From: Julien Cristau <jcristau@debian.org>
Date: Tue, 15 Jul 2008 10:36:38 -0400
Subject: [PATCH] Bug #16674: Make sure RANDR reports refresh as 0 if pixel
 clock is 0. (cherry picked from commit
 9111944b292355f7478b4ae75bead8dc25edbbcb)

---
 hw/xfree86/common/xf86RandR.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/xfree86/common/xf86RandR.c b/hw/xfree86/common/xf86RandR.c
index 4ee0d8b24..a55b93d4c 100644
--- a/hw/xfree86/common/xf86RandR.c
+++ b/hw/xfree86/common/xf86RandR.c
@@ -54,6 +54,8 @@ xf86RandRModeRefresh (DisplayModePtr mode)
 {
     if (mode->VRefresh)
 	return (int) (mode->VRefresh + 0.5);
+    else if (mode->Clock == 0)
+	return 0;
     else
 	return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);
 }