From a9d6dd2554e35c0213382fff19f5dbf151707955 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 12 Sep 2014 14:32:40 +1000
Subject: [PATCH] drm/ast: switch to using CACHED by default for sysram

This fixes problems on ppc64 platforms, where we could end up using
a WC mapping for migrating BOs with memcpy, when really we want to
use cached memory.

Tested-by: Ben Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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