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    Subject[PATCH] [34/34] x86_64: ignore vgacon if hardware not present
    Date

    From: Gerd Hoffmann <kraxel@suse.de>

    Avoid trying to set up vgacon if there's no vga hardware present.

    Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
    Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Cc: Alan <alan@lxorguk.ukuu.org.uk>
    Acked-by: Ingo Molnar <mingo@elte.hu>

    ---
    drivers/video/console/vgacon.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)
    ===================================================================
    Index: linux/drivers/video/console/vgacon.c
    ===================================================================
    --- linux.orig/drivers/video/console/vgacon.c
    +++ linux/drivers/video/console/vgacon.c
    @@ -371,7 +371,8 @@ 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 */
    -
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