From 11f3b59e3654c66c4e8ef2c48f8138b78bf440da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <daenzer@vmware.com>
Date: Mon, 11 Jan 2010 08:58:38 +0100
Subject: [PATCH] drm/radeon/kms: Fix crash getting TV info with no BIOS.
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Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/radeon/radeon_combios.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 7914455c96ca..579c8920e081 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -687,6 +687,9 @@ radeon_combios_get_tv_info(struct radeon_device *rdev)
uint16_t tv_info;
enum radeon_tv_std tv_std = TV_STD_NTSC;
+ if (rdev->bios == NULL)
+ return tv_std;
+
tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (RBIOS8(tv_info + 6) == 'T') {