From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751774Ab2G0Koq (ORCPT ); Fri, 27 Jul 2012 06:44:46 -0400 Received: from mga07.intel.com ([143.182.124.22]:59326 "EHLO azsmga101.ch.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751053Ab2G0Koo (ORCPT ); Fri, 27 Jul 2012 06:44:44 -0400 Subject: Re: [PATCH] X86: Improve GOP detection in the EFI boot stub From: Matt Fleming To: Matthew Garrett Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org In-Reply-To: <1343340027-7641-1-git-send-email-mjg@redhat.com> References: <1343340027-7641-1-git-send-email-mjg@redhat.com> Content-Type: text/plain; charset="UTF-8" Organization: Intel Corporation (UK) Ltd. - Registered No. 1134945 - Pipers Way, Swindon SN3 1RJ Date: Fri, 27 Jul 2012 11:44:38 +0100 Message-ID: <1343385878.5502.5.camel@mfleming-mobl1.ger.corp.intel.com> Mime-Version: 1.0 X-Mailer: Evolution 2.32.3 (2.32.3-1.fc14) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2012-07-26 at 18:00 -0400, Matthew Garrett wrote: > We currently use the PCI IO protocol as a proxy for a functional GOP. This > is less than ideal, since some platforms will put the GOP on output devices > rather than the GPU itself. Move to using the conout protocol. This is not > guaranteed per-spec, but is part of the consplitter implementation that > causes this problem in the first place and so should be reliable. > > Signed-off-by: Matthew Garrett > --- > arch/x86/boot/compressed/eboot.c | 29 ++++++++++++++++------------- > arch/x86/boot/compressed/eboot.h | 4 ++++ > 2 files changed, 20 insertions(+), 13 deletions(-) Acked-by: Matt Fleming