From a4760aef8cda5b338de1dbe17fc51766b985e239 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 19 May 2011 14:14:42 +1000
Subject: [PATCH] drm/radeon/cayman: setup hdp to invalidate and flush when
 asked

commit 0b65f83f9d2fab47b9b6040fe75fc2cfc73032d4 upstream.

On cayman we need to set the bit to cause HDP flushes to invalidate the
HDP cache also.

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