From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755706Ab1LMWJM (ORCPT ); Tue, 13 Dec 2011 17:09:12 -0500 Received: from casper.infradead.org ([85.118.1.10]:41383 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751945Ab1LMWJH (ORCPT ); Tue, 13 Dec 2011 17:09:07 -0500 Date: Tue, 13 Dec 2011 22:09:03 +0000 (GMT) From: James Simmons To: Thomas Hellstrom cc: Jerome Glisse , bskeggs@redhat.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH] fixes to drm-next - TTM DMA code (v1) In-Reply-To: <4EE77C02.1000103@vmware.com> Message-ID: References: <1323720569-15435-1-git-send-email-konrad.wilk@oracle.com> <20111213160753.GC2339@homer.localdomain> <4EE77C02.1000103@vmware.com> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Hi! > > I'm not whether any drivers are still using the AGP backend? Actually the openchrome projects KMS kernel uses a AGP backend. > Calling unpopulate / (previous clear) each time unbind is done should be quite > inefficient with that one, as AGP sets up its own data structures and copies > page tables > on each populate. That should really be avoided unless there is a good reason > to have it. > > /Thomas > > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel >