From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 22 Oct 2012 16:19:01 +0000 (-0400)
Subject: drm/radeon: add dma engine support for vm pt updates on ni (v5)
X-Git-Tag: v3.8-rc1~82^2~4^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b6b59b610f0c0f351e68ec3eff9ab51ef75fb1a;p=pandora-kernel.git

drm/radeon: add dma engine support for vm pt updates on ni (v5)

Async DMA has a special packet for contiguous pt updates
which saves overhead.

v2: leave the CP method enabled for now as doing the updates
in the DMA rings is not working properly yet.

v3: update for 2 level pts

v4: rebase

v5: drop pte/pde packet.  doesn't seem to work on NI.

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