From 2d0aa553609a0e64fa4b2e755b9b1e244e5c3fa1 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyu.z.wang@intel.com>
Date: Mon, 2 Mar 2009 15:26:44 +0800
Subject: [PATCH] Skip LVDS config parsing on pre-9xx chips.

855GM laptops seems pretty broken when parsing this block.
---
 src/i830_bios.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/i830_bios.c b/src/i830_bios.c
index a990ebec..7f20553a 100644
--- a/src/i830_bios.c
+++ b/src/i830_bios.c
@@ -174,9 +174,13 @@ parse_driver_feature(I830Ptr pI830, struct bdb_header *bdb)
     struct bdb_driver_feature *feature;
 
     /* For mobile chip, set default as true */
-    if (IS_MOBILE(pI830))
+    if (IS_MOBILE(pI830) && !IS_I830(pI830))
 	pI830->integrated_lvds = TRUE;
 
+    /* skip pre-9xx chips which is broken to parse this block. */
+    if (!IS_I9XX(pI830))
+	return;
+
     feature = find_section(bdb, BDB_DRIVER_FEATURES);
     if (!feature)
 	return;