Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268230AbUIKRaZ (ORCPT ); Sat, 11 Sep 2004 13:30:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268218AbUIKR15 (ORCPT ); Sat, 11 Sep 2004 13:27:57 -0400 Received: from the-village.bc.nu ([81.2.110.252]:49843 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S268232AbUIKR0K (ORCPT ); Sat, 11 Sep 2004 13:26:10 -0400 Subject: Re: radeon-pre-2 From: Alan Cox To: Jon Smirl Cc: DRI Devel , lkml In-Reply-To: <9e473391040911101331a584ec@mail.gmail.com> References: <9e47339104090919015b5b5a4d@mail.gmail.com> <9e4733910409100937126dc0e7@mail.gmail.com> <1094832031.17883.1.camel@localhost.localdomain> <9e47339104091010221f03ec06@mail.gmail.com> <1094835846.17932.11.camel@localhost.localdomain> <9e47339104091011402e8341d0@mail.gmail.com> <20040911132727.A1783@infradead.org> <9e47339104091109111c46db54@mail.gmail.com> <9e473391040911101331a584ec@mail.gmail.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1094919816.21082.123.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Sat, 11 Sep 2004 17:23:58 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 23 On Sad, 2004-09-11 at 18:13, Jon Smirl wrote: > Coprocessor 3D mode is deeply pipelined > 2D mode is immediate Card dependant. > How can you build a system that process swaps between these two modes? > The 3D pipeline has to be emptied before you can enter 2D immediate > mode. > My solution is to leave the coprocessor always running and convert > everything to use the DMA based commands. On such a card when DRI is available that is probably the right path, especially if it has the "can't software touch the frame buffer while the engine runs" design flaw. If DRI isn't loaded, or isn't running you can carry on unaccelerated. - 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/