linux-kernel - Re: [RFC PATCH 3/5] drm/i915: register LVDS connector even if we can't get a panel mode

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Message-ID: <20120803162702.GA22896@srcf.ucam.org>
Date:	Fri, 3 Aug 2012 17:27:02 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	dri-devel@...ts.freedesktop.org,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
	Andreas Heider <andreas@...tr.de>
Subject: Re: [RFC PATCH 3/5] drm/i915: register LVDS connector even if we
 can't get a panel mode

On Fri, Aug 03, 2012 at 11:24:51AM -0500, Seth Forshee wrote:

> This is one of the things I wasn't so sure about. There are various
> checks in intel_lvds_init() that can cause it to bail out before we try
> to get the EDID, and I don't fully understand all of them. If non-laptop
> machines are expected to bail out before the EDID check then the
> approach I've taken seems reasonable. Otherwise adding a quirk probably
> is a good idea.

I know we've previously had problems with machines with phantom LVDS 
hardware, but I'm not sure what the current state of affairs is.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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