From d6660add648d10e7e35085d8c7d2653e0f9f61b7 Mon Sep 17 00:00:00 2001
From: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Fri, 6 Dec 2013 14:11:13 -0800
Subject: [PATCH] drm/i915: Generalize PPGTT init

Rearrange the initialization code to try to special case the aliasing
PPGTT less, and provide usable interfaces for the general case later.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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