linux-kernel - Re: [PATCH] gma500: Skip bogus LVDS VBT mode and check for LVDS before adding backlight

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Message-ID: <20110511185553.5260805f@bob.linux.org.uk>
Date:	Wed, 11 May 2011 18:55:53 +0100
From:	Alan Cox <alan@...ux.intel.com>
To:	Patrik Jakobsson <patrik.r.jakobsson@...il.com>
Cc:	greg@...ah.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gma500: Skip bogus LVDS VBT mode and check for LVDS
 before adding backlight

On Wed, 11 May 2011 19:20:53 +0200
Patrik Jakobsson <patrik.r.jakobsson@...il.com> wrote:

> On the Fit-PC2 the VBT reports an invalid fixed panel mode for LVDS,
> this gets in the way for SDVO. This patch makes VBT parsing skip the
> invalid mode. When there is no LVDS output the backlight support
> crashes so the patch also checks for this before enabling it.

Looks good for now. The backlight is a bit more complicated I think
(users can turn on the LVDS at runtime in theory) but we can handle
that later so long as we tag it with a /* FIXME: Handle turning on LVDS
at runtime */

Alan
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