linux-kernel - Re: dynamic LCD support for "embedded" systems

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Message-ID: <87y5zmqyd2.fsf@macbook.be.48ers.dk>
Date:	Mon, 25 Jul 2011 15:32:57 +0200
From:	Peter Korsgaard <jacmet@...site.dk>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Luke Kenneth Casson Leighton <lkcl@...l.net>,
	debian-arm@...ts.debian.org, linux-kernel@...r.kernel.org,
	Wookey <wookey@...kware.org>
Subject: Re: dynamic LCD support for "embedded" systems

>>>>> "Alan" == Alan Cox <alan@...rguk.ukuu.org.uk> writes:

 >> DVI monitor), and that EDID data just gets passed-through via the VGA
 >> IC. so it's all the same stuff... so what's the damn difference
 >> between a system with a VGA monitor and a system with the exact same
 >> LCD panel *from* that VGA monitor, ehn? :)  ok, rhetorical question.

 Alan> I'm not convinced it is the same stuff for various reaosns and bits of
 Alan> historical bug fixing and observation.

Indeed. Often, raw LVDS panels just have power, LVDS and (potentially)
backlight signals - No EDID. eDP panels might be different though, and
some newer LVDS panels do have a DDC channel with EDID.

-- 
Bye, Peter Korsgaard
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