Re: radeon-pre-2
From: Alex Deucher (alexdeucher_at_gmail.com)
Date: 09/13/04
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Date: Mon, 13 Sep 2004 02:05:56 -0400 To: Vladimir Dergachev <volodya@mindspring.com>
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
> >
> >
> > -------------------------------------------------------
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> > --
> > _______________________________________________
> > Dri-devel mailing list
> > Dri-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/dri-devel
> >
>
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- Previous message: Mikael Starvik: "RE: [PATCH] superflous do_softirq invocation in cris do_IRQ()"
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