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

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Message-ID: <1323374061.3894.81.camel@mfleming-mobl1.ger.corp.intel.com>
Date:	Thu, 08 Dec 2011 19:54:21 +0000
From:	Matt Fleming <matt.fleming@...el.com>
To:	Darren Hart <dvhart@...ux.intel.com>
Cc:	"lkml," <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Edgar Hucek <gimli@...k-green.com>,
	Peter Jones <pjones@...hat.com>
Subject: Re: [PATCH] efifb: Update documentation to include generic EFI 1.1
 and UEFI 2.0 platforms

(Adding Peter Jones, the efifb maintainer)

On Thu, 2011-12-08 at 11:40 -0800, Darren Hart wrote:
> 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

Looks good to me,

Acked-by: Matt Fleming <matt.fleming@...el.com>

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