[stable] PATCH drm/i915/lvds: ditch ->prepare special case

[Ben Hutchings]

On Wed, 2013-08-14 at 22:44 +0800, Haitao Zhang wrote:
> This commit fixed the following bug:
> 
> https://bugs.launchpad.net/ubuntu/quantal/+source/linux/+bug/1103856
> 
> originally affected on Thinkpad M490s laptop with v3.2 kernel,
> the patch also applicable on v3.2.50, v3.4.57 stable kernel and 
> 3.5.y.z extended stable kernel, since it was merged into v3.6 kernel officially.
> the test was based on Ironlake laptop Thinkpad v490s and 
> pre-Ironlake laptop Thinkpad X200 with all the stable kernel listed above.
> 
> 
> commit 520c41cf2fa029d1e8b923ac2026f96664f17c4b
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Wed Jul 11 16:27:52 2012 +0200
> 
>     drm/i915/lvds: ditch ->prepare special case
[...]

I've queued this up for 3.2, thanks.

Ben.

-- 
Ben Hutchings
If God had intended Man to program,
we'd have been born with serial I/O ports.
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