From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: new fixes for sony-acpi Date: Sat, 28 Mar 2009 12:22:13 +0000 Message-ID: <20090328122213.GB24289@srcf.ucam.org> References: <20090323163459.GB5463@gamma.logic.tuwien.ac.at> <20090328013832.GA4778@srcf.ucam.org> <200903280941.12955.matze@welwarsky.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:59861 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752826AbZC1MWR (ORCPT ); Sat, 28 Mar 2009 08:22:17 -0400 Content-Disposition: inline In-Reply-To: <200903280941.12955.matze@welwarsky.de> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Matthias Welwarsky Cc: linux-acpi@vger.kernel.org On Sat, Mar 28, 2009 at 09:41:12AM +0100, Matthias Welwarsky wrote: > Looking at the somewhat twisted way the Sony DSDT code handles power > management for the graphics adapters, I have my doubts that there will be a > generic way. Of course a framework like for the rf kill switch could be > useful, but the vendor and model specific code would end up in sony-laptop > anyway. The Dell XPS 13 has an identical _DSM despite having dual nvidia/nvidia graphics. The _DSM code in the Vaio DSDT is also very stylistically different to the rest of it, heavily supporting the idea that it's nvidia-derived code. -- Matthew Garrett | mjg59@srcf.ucam.org