Re: VESA FB & PIO_FONTX

H. Peter Anvin (hpa@transmeta.com)
3 Aug 1998 19:50:08 GMT

Followup to: <19980803190331.06027@albireo.ucw.cz>
By author: Martin Mares <mj@ucw.cz>
In newsgroup: linux.dev.kernel
>
> Currently both PIO_FONT and PIO_FONTX are supposed to set the font only for
> the virtual console they've been called for (with exception on EGA/VGA where
> the font change is global for the card). This will probably change in 2.3.X as
> I'd like to remove all the compatibility crap and leave only the KDFONTOP
> ioctl.
>
> You can use KDFONTOP to copy the font to all other FB consoles you want.
>

This is, of course, a change in the semantics of this ioctl, and
perhaps is even a good reason to move away from an ioctl altogether
(the reason it is an ioctl is that we did not want a global change to
be implemented using escape codes (can't switch vt's if one is hosed),
but a per-vt change, like the colour map, is typically better done
with escape codes so it is terminal/network transparent.)

-hpa

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