From 9da1791eeca446cd59e2e7d0803e8a7920dbbea5 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 29 Jan 2007 17:10:14 -0800
Subject: [PATCH] Restore a few important lines from
 89ace3e81fe72075b1709b073c05532f13b7f0d1

Typical results were failure to sync, and a black screen.
---
 src/i830_xf86Modes.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/i830_xf86Modes.c b/src/i830_xf86Modes.c
index 7403a4c2..a08d5a47 100644
--- a/src/i830_xf86Modes.c
+++ b/src/i830_xf86Modes.c
@@ -148,6 +148,11 @@ xf86SetModeCrtc(DisplayModePtr p, int adjustFlags)
         p->CrtcVSyncEnd         *= p->VScan;
         p->CrtcVTotal           *= p->VScan;
     }
+    p->CrtcVBlankStart = min(p->CrtcVSyncStart, p->CrtcVDisplay);
+    p->CrtcVBlankEnd = max(p->CrtcVSyncEnd, p->CrtcVTotal);
+    p->CrtcHBlankStart = min(p->CrtcHSyncStart, p->CrtcHDisplay);
+    p->CrtcHBlankEnd = max(p->CrtcHSyncEnd, p->CrtcHTotal);
+
     p->CrtcHAdjusted = FALSE;
     p->CrtcVAdjusted = FALSE;
 }