Date: Fri, 11 Feb 2005 01:21:00 -0500
From: Dave Jones <davej@redhat.com>
To: Marcus Hartig <m.f.h@web.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to disable slow agpgart in kernel config?
Message-ID: <20050211062100.GB1782@redhat.com>
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	Marcus Hartig <m.f.h@web.de>, linux-kernel@vger.kernel.org
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On Fri, Feb 11, 2005 at 07:07:22AM +0100, Marcus Hartig wrote:

 > the agpgart backend is now always compiled in and selected with 2.6.11-rc3 
 > x86_64. I can delete or disable it in the config, it is always back written.

probably you have selected IOMMU, which is dependant on it.

 > Is this the default future behaviour?

This is how it's always been.

 > The eg Nforce3 AGP is on a normal desktop so slow on 2D and also in 3D mode
 > a lot slower and all nvidia kernel driver users can not more use the really
 > faster nv_agp.

This surprises me, especially considering the in-kernel nvidia-agp driver
was actually written by NVidia. Are there any agp error messages in
your dmesg / X log ?

How big a speed difference do you notice with the two gart drivers?

		Dave

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