linux-kernel - Re: [PATCH] retrieve VBE EDID/DDC info independent of used video mode

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Message-ID: <46AFCCBB.70307@gentoo.org>
Date:	Tue, 31 Jul 2007 19:58:51 -0400
From:	Daniel Drake <dsd@...too.org>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Beulich <jbeulich@...ell.com>,
	linux-kernel@...r.kernel.org, zwane@...radead.org,
	Andi Kleen <ak@...e.de>, "Antonino A. Daplas" <adaplas@....net>
Subject: Re: [PATCH] retrieve VBE EDID/DDC info independent of used video
 mode

Hi,

H. Peter Anvin wrote:
>> So, 2.6.22-rc6-mm1 should work fine with CONFIG_FIRMWARE_EDID=y, or are
>> further patches needed?
>>
> 
> It should, yes.

It didn't work, and the bug still exists in 2.6.23-rc1: the resolution 
is wrong by 6 pixels. The user does have CONFIG_FIRMWARE_EDID enabled.

So far the only known working setups since 2.6.20.11 are:
  1. Zwane's patch reverted
  2. Jan's patch applied (to 2.6.22 or lower, I guess it no longer works 
for 2.6.23)

Here is dmesg output from 2.6.23:
http://bugs.gentoo.org/attachment.cgi?id=126203&action=view

Let me know how we can help diagnose this further.

Thanks,
Daniel
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