Re: radeon-pre-2

Alex Deucher
2004-09-13T06:06:20Z

On Sun, 12 Sep 2004 20:45:18 -0400 (EDT), Vladimir Dergachev
<volodya@mindspring.com> wrote:
>
>
> On Sun, 12 Sep 2004, Michel [ISO-8859-1] D�nzer wrote:
>
> > On Sun, 2004-09-12 at 23:42 +0100, Dave Airlie wrote:
> >>
> >> I think yourself and Linus's ideas for a locking scheme look good, I also
> >> know they won't please Jon too much as he can see where the potential
> >> ineffecienes with saving/restore card state on driver swap are, especailly
> >> on running fbcon and X on a dual-head card with different users.
> >
> > Frankly, I don't understand the fuss about that. When you run a 3D
> > client on X today, 3D client and X server share the accelerator with
> > this scheme, and as imperfect as it is, it seems to do a pretty good job
> > in my experience.
>
> Not that good - try dragging something while a DVD video is playing.

The overlay could be converted to use the CP engine as well. right now
it has to switch to MMIO for overlay.

Alex

>
> But, I don't understand what the fuss is about either. What's wrong with
> putting PLL setting code inside DRM driver and letting it be the client of
> fbcon ? And the transition problems could be well solved by leaving the
> existing fbcon in for the time being, it is not like the kernel does not
> have duplicate drivers.
>
> best
>
> Vladimir Dergachev
>
>
>
> >
> >
> > --
> > Earthling Michel Dänzer | Debian (powerpc), X and DRI developer
> > Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer
> >
> >
> > -------------------------------------------------------
> > This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170
> > Project Admins to receive an Apple iPod Mini FREE for your judgement on
> > who ports your project to Linux PPC the best. Sponsored by IBM.
> > Deadline: Sept. 13. Go here: http://sf.net/ppc_contest.php
> > --
> > _______________________________________________
> > Dri-devel mailing list
> > Dri-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/dri-devel
> >
>