From 19dd120ceee085dbac70b1b01bd09d599cf87bd0 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 6 Aug 2014 15:04:55 +0200
Subject: [PATCH] drm/i915: Extract common cleanup into i915_ppgtt_release

Address space cleanup isn't really a job for the low-level cleanup
callbacks. Without this change we can't reuse the low-level cleanup
callback for the aliasing ppgtt cleanup.

Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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