On Thu, 17 Mar 2005, Ville [iso-8859-1] Syrjälä wrote:
> On Thu, Mar 17, 2005 at 12:12:58PM +1100, Benjamin Herrenschmidt wrote:
> > > I understand you can't have userspace program the accelerator while
> > > someone else is doing the same thing. Oh and I now understand that the
> > > same really applies to direct framebuffer access due to the swapper.
> >
> > And you can't have someone program the accelerator while somebody does
> > direct access neither. It's basically all exclusive.
>
> I haven't seen that happen on any hardware I own. Matrox specs explicitly
> mention that there is no need to synchronize accelerator and direct
> framebuffer access.
Really? I was always given Matrox as an example of a card that would lock up if
you access the frame buffer while the accelerator is busy...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED]
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
