From 0891360a901d93135e0f79b579e7085905ee70fb Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 19 May 2011 11:07:57 -0400
Subject: [PATCH] drm/radeon/evergreen/btc/fusion: setup hdp to invalidate and
 flush when asked

commit f25a5c63bfa017498c9adecb24d649ae96ba5c68 upstream.

This needs to be explicitly set on btc.  It's set by default
on evergreen/fusion, so it fine to just unconditionally enable it for
all chips.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
Reading git-format-patch failed