From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] ACPI video: print out a warning message when duplicate video bus devices under the same VGA controller are detected Date: Thu, 26 Nov 2009 05:10:08 +0000 Message-ID: <20091126051008.GB7874@srcf.ucam.org> References: <1259140608.10510.62.camel@rzhang1-desktop> <1259197533.10510.76.camel@rzhang1-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:52956 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750738AbZKZFKM (ORCPT ); Thu, 26 Nov 2009 00:10:12 -0500 Content-Disposition: inline In-Reply-To: <1259197533.10510.76.camel@rzhang1-desktop> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Zhang Rui Cc: Len Brown , "linux-acpi@vger.kernel.org" On Thu, Nov 26, 2009 at 09:05:33AM +0800, Zhang Rui wrote: > If this bug is not rare, then we can set up a dmi list to choose the > working video bus device for these laptops. Any time somebody says "we can set up a dmi list", we've already failed. Does Windows work on this system without platform-specific drivers? If so, Linux is wrong and a dmi approach is incorrect. Does Windows require a platform-specific driver? If so, Linux should also require a platform-specific driver and a dmi approach in the core code is incorrect. -- Matthew Garrett | mjg59@srcf.ucam.org