Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755448AbYJ2VeQ (ORCPT ); Wed, 29 Oct 2008 17:34:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753681AbYJ2Vd6 (ORCPT ); Wed, 29 Oct 2008 17:33:58 -0400 Received: from mx2.redhat.com ([66.187.237.31]:42706 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753885AbYJ2Vd4 (ORCPT ); Wed, 29 Oct 2008 17:33:56 -0400 Date: Wed, 29 Oct 2008 17:32:44 -0400 From: Dave Jones To: Dave Airlie Cc: bob.montgomery@hp.com, Yinghai Lu , Ingo Molnar , "linux-kernel@vger.kernel.org" , "vojtech@suse.cz" , Linus Torvalds , "chandru@in.ibm.com" , Joerg Roedel , FUJITA Tomonori , Jesse Barnes , Pavel Machek , Andi Kleen Subject: Re: [PATCH] disable CPU side GART accesses Message-ID: <20081029213244.GD24794@redhat.com> Mail-Followup-To: Dave Jones , Dave Airlie , bob.montgomery@hp.com, Yinghai Lu , Ingo Molnar , "linux-kernel@vger.kernel.org" , "vojtech@suse.cz" , Linus Torvalds , "chandru@in.ibm.com" , Joerg Roedel , FUJITA Tomonori , Jesse Barnes , Pavel Machek , Andi Kleen References: <1224107317.2215.238.camel@amd.troyhebe> <20081015234842.GA10999@elte.hu> <1225147341.2215.401.camel@amd.troyhebe> <4906495B.1060506@kernel.org> <1225313564.3428.14.camel@amd.troyhebe> <21d7e9970810291424g369035d4h562b54c676d49aef@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <21d7e9970810291424g369035d4h562b54c676d49aef@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 786 Lines: 20 On Thu, Oct 30, 2008 at 07:24:34AM +1000, Dave Airlie wrote: > This stops the CPU from using the aperture for most DRI things. I > can't confirm this won't regress working systems > though. The whole AMD GART thing scares me, esp if some of the host > chipsets also have an AGP GART. The easy cop-out for those in the past has been 'dont support them'. It's why we removed some K8 chipset PCI IDs from the via driver for eg. iirc, if we leave them unprogrammed, they're essentially irrelevant. Dave -- http://www.codemonkey.org.uk -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/