Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270330AbUJUEPW (ORCPT ); Thu, 21 Oct 2004 00:15:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270538AbUJUEJE (ORCPT ); Thu, 21 Oct 2004 00:09:04 -0400 Received: from fmr06.intel.com ([134.134.136.7]:933 "EHLO caduceus.jf.intel.com") by vger.kernel.org with ESMTP id S270581AbUJUEEO convert rfc822-to-8bit (ORCPT ); Thu, 21 Oct 2004 00:04:14 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8BIT Subject: RE: Generic VESA framebuffer driver and Video card BOOT? Date: Thu, 21 Oct 2004 12:03:45 +0800 Message-ID: <3ACA40606221794F80A5670F0AF15F84041ABFD2@pdsmsx403> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Generic VESA framebuffer driver and Video card BOOT? Thread-Index: AcS2ImyJI6PAJJkgQluksSlJ5RkFTAA/94Vg From: "Yu, Luming" To: "Pavel Machek" , "Jon Smirl" Cc: "Kendall Bennett" , "Alan Cox" , "Linux Kernel Mailing List" , "fbdev" X-OriginalArrivalTime: 21 Oct 2004 04:03:40.0237 (UTC) FILETIME=[F2BB9FD0:01C4B722] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2227 Lines: 57 It is hard to use native VGA for s3 debugging. I don know if serial console or net console can help s3 debugging. Thanks Luming >-----Original Message----- >From: linux-kernel-owner@vger.kernel.org >[mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Pavel Machek >Sent: 2004??10??20?? 5:09 >To: Jon Smirl >Cc: Kendall Bennett; Alan Cox; Linux Kernel Mailing List; fbdev >Subject: Re: Generic VESA framebuffer driver and Video card BOOT? > >Hi! > >> > What about non-x86 platforms such as PowerPC and MIPS >embedded devices >> > that want video (TiVo type platforms, media players etc). >How would these >> > fit into the picture? Would this require the boot loader >(ie: U-Boot or >> > whatever) to have the ability to POST the card? >> >> There is the assumption that whatever BIOS the device has >can get up a >> very early console that can output critical error messages before the >> kernel and early user space is loaded. For example the "I can't find >> the kernel" or "initramfs is missing" error message. This also >> assumes that the BIOS can post whatever display it is using. >> >> I'm not trying to fix the problem of getting early boot messages out >> of a Mac with an x86 card plugged into it. The card will work after >> early user space initializes. The right way to fix that would be to >> switch to something like LinuxBIOS and build the x86 emulator into >> it. > >That still does not solve resume from suspend-to-RAM. We need to post >VGA there. We probably could do it late in userspace... but it makes >debugging resume pretty hard. > Pavel >-- >People were complaining that M$ turns users into beta-testers... >...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! >- >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/ > - 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/