Messages in this thread | | | Date | Mon, 14 Nov 2005 06:11:37 +0800 | From | "Antonino A. Daplas" <> | Subject | Re: [PATCH] vgacon: Workaround for resize bug in some chipsets |
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Bodo Eggert wrote: > Antonino A. Daplas <adaplas@gmail.com> wrote: > >> +++ b/drivers/video/console/vgacon.c >> +#define VGA_FONTWIDTH 8 /* VGA does not support fontwidths != 8 */ > > This is not true, VGA cards do support fontwidth=9, but the ninth column
Yes. What it should mean is that vgacon does not support fontwidths != 8.
> can only be blank or (optionally and only in the range of the IBM block > chars) copied from the eighth column, cloning the behaviour of the MDA > graphics card. If you disable this feature, you'll get 90x25 text resolution > within standard VGA timings. > > BTW while looking at this file: > > 1) I see ORIG_VIDEO_EGA_BX (defined to (screen_info.orig_video_ega_bx) > being checked to be 0x10, but I don't find a place where the associated > variable is set to this value. Nor do I get the meaning of this variable > by reading it's name.
Set at arch/i386/boot/video.S. It contains the contents of register bx after calling int 0x10 ah=0x12 bl=0x10.
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