From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755821Ab2IQLG4 (ORCPT ); Mon, 17 Sep 2012 07:06:56 -0400 Received: from arkanian.console-pimps.org ([212.110.184.194]:41253 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755788Ab2IQLGx (ORCPT ); Mon, 17 Sep 2012 07:06:53 -0400 Subject: Re: [PATCH] x86: Switch to vga console only if framebuffer details are missing From: Matt Fleming To: Alan Cox Cc: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, "H. Peter Anvin" , Matthew Garrett , Olof Johansson , Peter Jones , Ingo Molnar In-Reply-To: <20120917120047.42b520ac@pyramind.ukuu.org.uk> References: <1347877748-11766-1-git-send-email-matt@console-pimps.org> <20120917120047.42b520ac@pyramind.ukuu.org.uk> Content-Type: text/plain; charset="UTF-8" Date: Mon, 17 Sep 2012 12:03:40 +0100 Message-ID: <1347879820.12641.3.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 Mon, 2012-09-17 at 12:00 +0100, Alan Cox wrote: > On Mon, 17 Sep 2012 11:29:08 +0100 > Matt Fleming wrote: > > > From: Matt Fleming > > > > The efi_enabled variable has come to mean "Do we have EFI runtime > > services available?". However, lack of EFI runtime services does not > > mean that we should switch to using the VGA console. Provided that the > > boot loader passed the dimensions of the EFI framebuffer there is no > > reason we can't use efifb. > > Speed is the obvious one. vga con is fast, efifb is not Right, and that's an entirely valid reason for wanting vga con over efifb, but in that case users should just disable the efifb driver. -- Matt Fleming, Intel Open Source Technology Center