From 58e797b2caa6effa5455fc1f13dc4c58d0658744 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@mandolin.keithp.com>
Date: Wed, 3 Jan 2007 00:04:58 -0800
Subject: [PATCH] Sync dspbase/dspsurf registers by re-reading them.

This seems to eliminate base/surf value confusion during EnterVT.
---
 src/i830_display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/i830_display.c b/src/i830_display.c
index 9ec46a45..d124ba0a 100644
--- a/src/i830_display.c
+++ b/src/i830_display.c
@@ -351,9 +351,12 @@ i830PipeSetBase(xf86CrtcPtr crtc, int x, int y)
 
     if (IS_I965G(pI830)) {
         OUTREG(dspbase, ((y * pScrn->displayWidth + x) * pI830->cpp));
+	(void) INREG(dspbase);
         OUTREG(dspsurf, Start);
+	(void) INREG(dspsurf);
     } else {
 	OUTREG(dspbase, Start + ((y * pScrn->displayWidth + x) * pI830->cpp));
+	(void) INREG(dspbase);
     }
 
     crtc->x = x;