From f60cbd117a416830d5a7effc208eab8470a19167 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 4 Dec 2012 15:27:33 -0500
Subject: [PATCH] drm/radeon/kms: Add initial support for async DMA on
 cayman/TN

There are 2 async DMA engines on cayman, one at 0xd000 and
one at 0xd800.  The programming interface is the same as
evergreen however there are some changes to the commands
for using vmids.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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