From a4e0bedca678c81eea4cd79a4bd502335639f73a Mon Sep 17 00:00:00 2001
From: Michel Thierry <michel.thierry@intel.com>
Date: Wed, 8 Apr 2015 12:13:35 +0100
Subject: [PATCH] drm/i915: Use complete address space in true PPGTT

True PPGTT is capable of having a full address space, even if the system
has less allocated memory.

Note that aliasing PPGTT always aliases the GGTT and thus should remain
of the same size.

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