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From: ebiederm@xmission.com (Eric W. Biederman)
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Arjan van de Ven <arjan@infradead.org>,
       Thomas Gleixner <tglx@linutronix.de>,
       "Huang, Ying" <ying.huang@intel.com>,
       Andrew Morton <akpm@linux-foundation.org>,
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       Chandramouli Narayanan <mouli@linux.intel.com>,
       LKML <linux-kernel@vger.kernel.org>, pjones@redhat.com
Subject: Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic runtime service support
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Date: Thu, 25 Oct 2007 16:20:20 -0600
In-Reply-To: <4720FE38.3050802@zytor.com> (H. Peter Anvin's message of "Thu,
	25 Oct 2007 13:36:08 -0700")
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"H. Peter Anvin" <hpa@zytor.com> writes:

> Eric W. Biederman wrote:
>>>>
>>> Ying claimed that GOP requires EFI runtime services.  Is that not true?
>>
>> None of the EFI framebuffer patches that I saw used EFI runtime services.
>>
>
> Ying, could you please clarify this situation?
>
> (Eric: do note that there are two EFI framebuffer standard, UGA and
> GOP. Apparently UGA is obsolete and we have always been at war with GOP at the
> moment.)


Peter please look back in your email archives to yesterday and
see Ying's patch:

[PATCH 1/2 -v2 resend] x86_64 EFI boot support: EFI frame buffer driver

All of the data the GOP needs is acquired through the a query made
by the bootloader and passed through screen info.

Eric