Control fb problem on 8500

[Geert Uytterhoeven]

On Tue, 22 Aug 2000, Michel [iso-8859-1] Dänzer wrote:
> Geert Uytterhoeven wrote:
> > On Mon, 21 Aug 2000, Michel [iso-8859-1] Dänzer wrote:
> > > I've thought of this as well. The problem is that the mode hasn't been
> > > initialized when displayWidth is set and used.
> >
> > So the X server initializes the internal screen structures before it even
> > knows that it can use them later?
>
> Yes. This really seems to be a rather serious design flaw - the driver is
> assumed to know at any time whether it can cope with what the user wants and
> how.

Yes indeed.

> Anyway, what do you think about the patch I posted? Michel, can you please try
> it? I don't think having to use ShadowFB with the fbdev driver is too bad
> because it should generally enhance performance :) If the patch is okay, I'll
> submit it to XFree86.

I never read any XFree86 4.0 code.

I know ShadowFB is faster for machines without hardware acceleration. But is
it also faster with hardware acceleration?

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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