linux-kernel - Re: [PATCH] drm: edid revision 0 is valid

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Message-Id: <200902241744.30556.jbarnes@virtuousgeek.org>
Date:	Tue, 24 Feb 2009 17:44:30 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Kyle McMartin <kyle@...radead.org>
Cc:	airlied@...hat.com, linux-kernel@...r.kernel.org,
	dri-devel@...ts.sourceforge.net, marko.ristola@...umbus.fi
Subject: Re: [PATCH] drm: edid revision 0 is valid

On Tuesday, February 24, 2009 5:31:53 pm Kyle McMartin wrote:
> From: Kyle McMartin <kyle@...hat.com>
>
> edid->revision == 0 should be valid (at least, so the error message
> indicates. :) and wikipedia seems to indicate that EDID 1.0 existed.
>
> We can dump the entire check, since edid->revision is a u8, so
> it can't ever be less than 0.
>
> Marko reports in RH bz#476735 that his monitor claims to be
> EDID 1.0, and therefore hits the check and is stuck at 800x600 because
> of it.
>
> Reported-by: Marko Ristola <marko.ristola@...umbus.fi>
> Signed-off-by: Kyle McMartin <kyle@...hat.com>

Heh, yeah this makes the code correct *and* match the message.  Thanks.

Acked-by: Jesse Barnes <jbarnes@...tuousgek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center
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