Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268072AbUIGOEn (ORCPT ); Tue, 7 Sep 2004 10:04:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268076AbUIGOEn (ORCPT ); Tue, 7 Sep 2004 10:04:43 -0400 Received: from rproxy.gmail.com ([64.233.170.200]:30220 "EHLO mproxy.gmail.com") by vger.kernel.org with ESMTP id S268072AbUIGOEl (ORCPT ); Tue, 7 Sep 2004 10:04:41 -0400 Message-ID: <9e47339104090707045d009de6@mail.gmail.com> Date: Tue, 7 Sep 2004 10:04:37 -0400 From: Jon Smirl Reply-To: Jon Smirl To: Helge Hafting Subject: Re: New proposed DRM interface design Cc: Alan Cox , Keith Whitwell , Dave Jones , Christoph Hellwig , Dave Airlie , Jon Smirl , DRI Devel , Linux Kernel Mailing List , mharris@redhat.com In-Reply-To: <413D74A5.3070002@hist.no> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20040904102914.B13149@infradead.org> <4139FEB4.3080303@tungstengraphics.com> <9e473391040904110354ba2593@mail.gmail.com> <1094386050.1081.33.camel@localhost.localdomain> <9e47339104090508052850b649@mail.gmail.com> <1094393713.1264.7.camel@localhost.localdomain> <9e473391040905083326707923@mail.gmail.com> <1094395462.1271.12.camel@localhost.localdomain> <9e47339104090509056e54866e@mail.gmail.com> <413D74A5.3070002@hist.no> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1089 Lines: 24 On Tue, 07 Sep 2004 10:43:17 +0200, Helge Hafting wrote: > Jon Smirl wrote: > >I would also like to fix things so that we can have two logged in > >users, one on each head. This isn't going to work if one them uses > >fbdev and keeps swithing the chip to 2D mode while the other user is > >in 3D mode. The chip needs to stay in 3D mode with the CP running. > > > Yes! I use the ruby patch and have two users logged in on the > two heads of a G550. It works fine - as long as no mode > change is attempted. And only one user can use 3D (or even 2D), > the other is stuck with a unaccelerated framebuffer. There is nothing in the hardware preventing both users from having 3D displays. This is a problem in the way fbdev and DRM are designed. I would like to work towards fixing this. -- Jon Smirl jonsmirl@gmail.com - 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/