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Message-ID: <5bdc1c8b0511161025q20569fa4hd8c187503e9af1c2@mail.gmail.com>
Date: Wed, 16 Nov 2005 10:25:40 -0800
From: Mark Knecht <markknecht@gmail.com>
To: Alistair John Strachan <s0348365@sms.ed.ac.uk>
Subject: Re: 2.6.15-rc1 - NForce4 PCI-E agpgart support?
Cc: Arjan van de Ven <arjan@infradead.org>,
       LKML <linux-kernel@vger.kernel.org>
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On 11/16/05, Alistair John Strachan <s0348365@sms.ed.ac.uk> wrote:
> On Wednesday 16 November 2005 15:09, Mark Knecht wrote:
> > On 11/16/05, Arjan van de Ven <arjan@infradead.org> wrote:
> > > On Wed, 2005-11-16 at 06:50 -0800, Mark Knecht wrote:
> > > > Hi,
> > > >    I downloaded and built 2.6.15-rc1 as a test assuming Ingo will
> > > > release -rt support for this one of these days. (No rush Ingo!) It
> > > > booted on my AMD64 machine and is running fine AFAICT.
> > > >
> > > >    One thing I was expecting to see was agpgart support for the
> > > > NForce4 chipset. Is this something that's coming or am I missing where
> > > > the configuration is done?
> > > >
> > > >    I have a PCI-Express based Radeon and would like to get better
> > > > performance. I'm presuming that agpgart support is part of that
> > > > solution? (As it was on earlier architectures?)
> > >
> > > I'm pretty sure PCI-Express and AGP are mutually exclusive....
> >
> > Ah, of course! My bad... They are different buses and connectors. I
> > was really thinking more of the 'gart' part of the agpgart.
> >
> > Is there any requirement/need/value for something like a PCI-E-gart?
> > Or does this relocation requirement go out the window somehow when a
> > graphics device moves to PCI-Express?
>
> Yes, you don't need it with PCIe.
>
> --
> Cheers,
> Alistair.

Thanks Alistair.

So, should I be able to see better grapohics performance on my Radeon
PCI-E device with 2.6.15-rc1? Are there setups I should test for you
guys? (I'm not a developer.)

Thanks,
Mark
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