From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750824AbVHLSPk (ORCPT ); Fri, 12 Aug 2005 14:15:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750839AbVHLSPk (ORCPT ); Fri, 12 Aug 2005 14:15:40 -0400 Received: from zproxy.gmail.com ([64.233.162.204]:46512 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S1750836AbVHLSP2 convert rfc822-to-8bit (ORCPT ); Fri, 12 Aug 2005 14:15:28 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=QogC8Mxv84n6W2zs/dZCmQaYsQOAYRvfCRyg+6/Ajs7eDtSDPvcBkNjwCwNqJKJp1/BbrP9pMgZJVwrnnnIPZKmIfY9q8qOHcwUsUZ2YAgW8LYTvOqx/y5dBSTqnJTSbCWVLYAbDwO63nLQK6EQIy7eV8VDFVSSx0vvyuV738RU= Message-ID: <86802c4405081211153ec42f7e@mail.gmail.com> Date: Fri, 12 Aug 2005 11:15:26 -0700 From: yhlu To: James Simmons Subject: Re: Atyfb questions and issues Cc: =?ISO-8859-1?Q?Dani=EBl_Mantione?= , Jim Ramsay , alex.kern@gmx.de, Linux Kernel In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org james, I remember that xlinit in 2.6 kernel only works when BIOS option-rom really init fb. It can not work if the BIOS option rom is not executed. For 2.4, it reversed, it can not work if BIOS opton-rom is executed. Only work if BIOS don't excute the option rom. YH On 8/12/05, James Simmons wrote: > > > > I have the following issue. I am trying to get an ATI Rage XL chip > > > working on a MIPS-based processor, with a 2.6.11-based kernel from > > > linux-mips.org. Now, I know that this was working with a 2.4.25-based > > > kernel previously. > > > > Okay, the 2.4 driver is more intrusive, it programs the chip from start as > > much as possible, while the 2.6 driver tries to depend on Bios settings. I > > haven't checked out the 2.6 driver enough to see if it is still possible > > to program from scratch. > > The code is there to program the chip from scratch. Just select > > "Rage XL No-BIOS Init support" > > The last time I tried it it didn't work. If we could get it working that > would be great. > > > Yes, according to my register data sheet a 7 means the memory clock > > frequency is derived from DLLCLK. Unfortunately I don't know what this > > DLLCLK is. I think it means the chip isn't properly initialized yet and it > > clocks the memory from a safe clock source to allow the computer to start. > > > > However, we most likely have no way to find out the speed of this DLLCLK. > > > > The memory clock frequency is important for the driver to be able to set a > > display mode; it needs to program a memory reload frequency into the chip > > which depends on the memory frequency. > > Their is code in xlint.c that should properly set this. Have to debug that > code. > > - > 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/ >