Re: [fb] scrolling?

Martin Mares (mj@ucw.cz)
Sun, 11 Oct 1998 22:21:02 +0200


Hello,

> How do I enable scrolling when I'm running vesafb?

Scrolling == scrollback?

> I've read the linux/Documentation/fb.txt and vesafb.txt as well as the
> source for vesafb and tried both vesa:ywrap and vesa:ypan but nothing
> seems to work. I get no errors or otherwise in the logs or on the
> screen during boot.
>
> Does panning only work when I'm running an 80x25 screen? I've got a
> Compaq Armada 1592DMT notebook here and told vesafb to do 800x600x16
> which gives me a BEAUTIFUL 100x30 or so text mode, but no way to
> scroll it apparently.

To use panning or wrapping, your VESA BIOS must support setting of screen
origin and the protected mode interface which only some BIOSes do.

> Oh yes -- about 2 out of 3 boots, my golden Tux never appears... Is
> this a configuration error?

With or without additional vesafb options?

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"#define QUESTION ((bb) || !(bb))"         -- Shakespeare

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