[patch 02/26] Xen-paravirt_ops: ignore vgacon if hardware not present

Jeremy Fitzhardinge
2007-02-27T08:46:47Z

[-- Attachment #1: vgacon-ignore-uninitialized.patch --]
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Avoid trying to set up vgacon if there's no vga hardware present.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
From: Gerd Hoffmann <kraxel@suse.de>

---
drivers/video/console/vgacon.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

===================================================================
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -372,7 +372,8 @@ static const char *vgacon_startup(void)
}

/* VGA16 modes are not handled by VGACON */
- if ((ORIG_VIDEO_MODE == 0x0D) || /* 320x200/4 */
+ if ((ORIG_VIDEO_MODE == 0x00) || /* SCREEN_INFO not initialized */
+ (ORIG_VIDEO_MODE == 0x0D) || /* 320x200/4 */
(ORIG_VIDEO_MODE == 0x0E) || /* 640x200/4 */
(ORIG_VIDEO_MODE == 0x10) || /* 640x350/4 */
(ORIG_VIDEO_MODE == 0x12) || /* 640x480/4 */

--