From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753338Ab1LHTkP (ORCPT ); Thu, 8 Dec 2011 14:40:15 -0500 Received: from mga09.intel.com ([134.134.136.24]:59571 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752127Ab1LHTkL (ORCPT ); Thu, 8 Dec 2011 14:40:11 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="85107359" Message-ID: <4EE112A8.5030006@linux.intel.com> Date: Thu, 08 Dec 2011 11:40:24 -0800 From: Darren Hart User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: "lkml, " CC: "H. Peter Anvin" , Matt Fleming , Edgar Hucek Subject: [PATCH] efifb: Update documentation to include generic EFI 1.1 and UEFI 2.0 platforms X-Enigmail-Version: 1.3.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to the Kconfig help, efifb supports EFI 1.1 and UEFI 2.0 platforms in addition to the Intel based Macs. I have Atom development platforms that require CONFIG_FB_EFI for kernel output to the display console. I have left the Mac kernel parameters alone as I do not have hardware to test it. Signed-off-by: Darren Hart CC: H. Peter Anvin CC: Matt Fleming CC: Edgar Hucek --- Documentation/fb/efifb.txt | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) diff --git a/Documentation/fb/efifb.txt b/Documentation/fb/efifb.txt index a59916c..7cb9a62 100644 --- a/Documentation/fb/efifb.txt +++ b/Documentation/fb/efifb.txt @@ -2,12 +2,15 @@ What is efifb? =============== -This is a generic EFI platform driver for Intel based Apple computers. -efifb is only for EFI booted Intel Macs. +This is a generic EFI platform driver for Intel based Apple computers and +platforms with EFI 1.10 or UEFI 2.0 firmware. Select CONFIG_FB_EFI to add +support for using the EFI framebuffer as your console. Supported Hardware ================== +EFI 1.10 platforms +UEFI 2.0 platforms iMac 17"/20" Macbook Macbook Pro 15"/17" @@ -16,8 +19,9 @@ MacMini How to use it? ============== -efifb does not have any kind of autodetection of your machine. -You have to add the following kernel parameters in your elilo.conf: +efifb will autodetect the framebuffer on some machines, for others +you will have to add the appropriate kernel parameters to your boot +loader configuration. For example: Macbook : video=efifb:macbook MacMini : -- 1.7.6.4 -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel