Patch: PCI resource fixup for atyfb (was: Re: xf 4.0.1 + ati driver with rage II/rage pro)

[Geert Uytterhoeven]

On Tue, 3 Oct 2000, Michael Schmitz wrote:
> > > Fine, but how would I do that? And how do I tell atyfb to set up two
> > > framebuffers for the two separate screens`?
> >
> > By adding code to atyfb. Sorry for the short answer ;-)
>
> Har har. I almost guessed that. Once I figure out how to initialize the
> chip to use separate chunks of RAM for the two ports, the little hack to
> make atyfb parse multiple vmode arguments (and consequently set up
> and register multiple framebuffers) would indeed be trivial.
>
> Do you have any idea if the config registers dumped to the console by
> atyfb are all I need to look at?

They're not sufficient. They're relevant for clock and bus programming only.
A second CRTC is certainly not covered by them.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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