From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752097AbaKYRZ4 (ORCPT ); Tue, 25 Nov 2014 12:25:56 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:52138 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750802AbaKYRZz (ORCPT ); Tue, 25 Nov 2014 12:25:55 -0500 Date: Tue, 25 Nov 2014 17:25:50 +0000 From: Matthew Garrett To: Alex Deucher Cc: LKML , Maling list - DRI developers , Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , David Airlie Subject: Re: [PATCH] radeon: acquire BIOS via firmware subsystem if everything else failed Message-ID: <20141125172550.GA19688@srcf.ucam.org> References: <20141122193025.GA5782@kaos.lebenslange-mailadresse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 25, 2014 at 12:14:21PM -0500, Alex Deucher wrote: > The vbios image is available via ACPI prior to the OS taking over. > IIRC, Matthew Garret fixed up the bootloader to fetch the vbios image > prior to loading Linux so that it could be accessed after the OS > loaded. EFI rather than ACPI, but yeah. In theory this should work fine if you're using the EFI entry point. I don't know whether the patches for linuxefi were ever accepted by grub upstream - if not, pushing those would make more sense. -- Matthew Garrett | mjg59@srcf.ucam.org