linux-kernel - [PATCH] efifb: Update documentation to include generic EFI 1.1 and UEFI 2.0 platforms

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Message-ID: <4EE112A8.5030006@linux.intel.com>
Date:	Thu, 08 Dec 2011 11:40:24 -0800
From:	Darren Hart <dvhart@...ux.intel.com>
To:	"lkml, " <linux-kernel@...r.kernel.org>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	Matt Fleming <matt.fleming@...ux.intel.com>,
	Edgar Hucek <gimli@...k-green.com>
Subject: [PATCH] efifb: Update documentation to include generic EFI 1.1 and
 UEFI 2.0 platforms

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 <dvhart@...ux.intel.com>
CC: H. Peter Anvin <hpa@...or.com>
CC: Matt Fleming <matt.fleming@...ux.intel.com>
CC: Edgar Hucek <gimli@...k-green.com>
---
 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
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