drm/radeon/kms: Fix crash getting TV info with no BIOS.

Signed-off-by: Michel Dänzer <daenzer@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
mariux64 · Jan 13, 2010 · 11f3b59 · 11f3b59
1 parent 1b24203
commit 11f3b59
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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') {