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

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Message-id: <Pine.LNX.4.64.0707311719540.5207@montezuma.windriver.com>
Date:	Tue, 31 Jul 2007 17:21:35 -0700 (PDT)
From:	Zwane Mwaikambo <zwane@...radead.org>
To:	Daniel Drake <dsd@...too.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Beulich <jbeulich@...ell.com>,
	linux-kernel@...r.kernel.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 Daniel,

On Tue, 31 Jul 2007, Daniel Drake wrote:

> 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.

Sorry if this has been hashed out before, but could you point me towards 
the gentoo bugzilla entry? I'm trying to understand how your setup broke. 
Which version VBE does your system have?

Thanks,
	Zwane

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