From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] radeon: acquire BIOS via firmware subsystem if everything else failed Date: Tue, 25 Nov 2014 17:25:50 +0000 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 Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Alex Deucher Cc: LKML , Maling list - DRI developers , Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , David Airlie List-Id: dri-devel@lists.freedesktop.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