From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264328AbUDWKXV (ORCPT ); Fri, 23 Apr 2004 06:23:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264776AbUDWKXV (ORCPT ); Fri, 23 Apr 2004 06:23:21 -0400 Received: from gprs214-93.eurotel.cz ([160.218.214.93]:21888 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S264328AbUDWKXT (ORCPT ); Fri, 23 Apr 2004 06:23:19 -0400 Date: Fri, 23 Apr 2004 12:23:10 +0200 From: Pavel Machek To: Andrew Morton , Rusty trivial patch monkey Russell , kernel list Cc: stefandoesinger@gmx.at Subject: Tips for S3 resume on radeon cards Message-ID: <20040423102310.GA8358@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! Stefan has pretty usefull tips for getting S3 to work on radeon notebooks. This brings whole new class of systems to be usable for S3, please apply. Pavel --- clean/Documentation/power/video.txt 2004-02-05 01:53:53.000000000 +0100 +++ linux/Documentation/power/video.txt 2004-04-23 12:19:00.000000000 +0200 @@ -1,7 +1,7 @@ Video issues with S3 resume ~~~~~~~~~~~~~~~~~~~~~~~~~~~ - 2003, Pavel Machek + 2003-2004, Pavel Machek During S3 resume, hardware needs to be reinitialized. For most devices, this is easy, and kernel driver knows how to do @@ -15,7 +15,7 @@ There are three types of systems where video works after S3 resume: -* systems where video state is preserved over S3. (HP Omnibook xe3) +* systems where video state is preserved over S3. (Athlon HP Omnibook xe3s) * systems that initialize video card into vga text mode and where BIOS works well enough to be able to set video mode. Use @@ -26,6 +26,10 @@ point, but it happens to work on some machines. Use acpi_sleep=s3_bios (Athlon64 desktop system) +* radeon systems, where X can soft-boot your video card. You'll need + patched X, and plain text console (no vesafb or radeonfb), see + http://www.doesi.gmxhome.de/linux/tm800s3/s3.html. (Acer TM 800) + Now, if you pass acpi_sleep=something, and it does not work with your bios, you'll get hard crash during resume. Be carefull. -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?]