From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helge Hafting Subject: Re: Re: [RFC] Reliable video POSTing on resume Date: Mon, 07 Feb 2005 11:20:33 +0100 Message-ID: <420740F1.5050609@hist.no> References: <20050122134205.GA9354@wsc-gmbh.de> <4204B3C1.80706@rainbow-software.org> <9e473391050205074769e4f10@mail.gmail.com> <200502051748.43547.stefandoesinger@gmx.at> <9e47339105020509382adbbf39@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable In-Reply-To: <9e47339105020509382adbbf39-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Jon Smirl Cc: =?UTF-8?B?U3RlZmFuIETDtnNpbmdlcg==?= , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Ondrej Zary , Matthew Garrett , Pavel Machek , Carl-Daniel Hailfinger , ncunningham-jjFNsPSvq+iXDw4h08c5KA@public.gmane.org, Linux Kernel Mailing List List-Id: linux-acpi@vger.kernel.org Jon Smirl wrote: >On Sat, 5 Feb 2005 17:48:43 +0100, Stefan D=C3=B6singer > wrote: > =20 > >>The reset code of radeon card seems to be easy to reverse engineer. I h= ave >>started an attempt and I have 50-60% of my radeon M9 reset code impleme= nted >>in a 32 bit C program. I had to stop due to school reasons. >> =20 >> > >The problem with the radeon reset code is that there are many, many >variations of the radeon chips, including different steppings of the >same part. The ROM is matched to the paticular bugs of the chip. From >what I know ATI doesn't even have a universal radeon reset program. > =20 > Maybe they could provide such a program, if asked? Basically, a chip detect and a switch statement containing all the bios reset sequences they have. They may want to protect "trade secrets" about innovative 3D-pipelines and such. But the bios reset is probably not that high-end, so perhaps they could provide source code for it? Helge Hafting ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261391AbVBGKSd (ORCPT ); Mon, 7 Feb 2005 05:18:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261393AbVBGKSd (ORCPT ); Mon, 7 Feb 2005 05:18:33 -0500 Received: from hermine.aitel.hist.no ([158.38.50.15]:15877 "HELO hermine.aitel.hist.no") by vger.kernel.org with SMTP id S261391AbVBGKS3 (ORCPT ); Mon, 7 Feb 2005 05:18:29 -0500 Message-ID: <420740F1.5050609@hist.no> Date: Mon, 07 Feb 2005 11:20:33 +0100 From: Helge Hafting User-Agent: Mozilla Thunderbird 0.9 (X11/20041124) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jon Smirl CC: =?UTF-8?B?U3RlZmFuIETDtnNpbmdlcg==?= , acpi-devel@lists.sourceforge.net, Ondrej Zary , Matthew Garrett , Pavel Machek , Carl-Daniel Hailfinger , ncunningham@linuxmail.org, Linux Kernel Mailing List Subject: Re: [ACPI] Re: [RFC] Reliable video POSTing on resume References: <20050122134205.GA9354@wsc-gmbh.de> <4204B3C1.80706@rainbow-software.org> <9e473391050205074769e4f10@mail.gmail.com> <200502051748.43547.stefandoesinger@gmx.at> <9e47339105020509382adbbf39@mail.gmail.com> In-Reply-To: <9e47339105020509382adbbf39@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jon Smirl wrote: >On Sat, 5 Feb 2005 17:48:43 +0100, Stefan Dösinger > wrote: > > >>The reset code of radeon card seems to be easy to reverse engineer. I have >>started an attempt and I have 50-60% of my radeon M9 reset code implemented >>in a 32 bit C program. I had to stop due to school reasons. >> >> > >The problem with the radeon reset code is that there are many, many >variations of the radeon chips, including different steppings of the >same part. The ROM is matched to the paticular bugs of the chip. From >what I know ATI doesn't even have a universal radeon reset program. > > Maybe they could provide such a program, if asked? Basically, a chip detect and a switch statement containing all the bios reset sequences they have. They may want to protect "trade secrets" about innovative 3D-pipelines and such. But the bios reset is probably not that high-end, so perhaps they could provide source code for it? Helge Hafting