From 794a79a6b00db14c535c951b03820ea5199c82a3 Mon Sep 17 00:00:00 2001
From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Thu, 12 Sep 2013 13:58:20 -0300
Subject: [PATCH] drm/i915: clear opregon->lid_state after we unmap it

We don't seem to be using the pointer after it's unmapped, so this
patch doesn't fix any bug I can reproduce.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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