drm/radeon: use WRITE_DATA packets for vm flush on SI
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 2 Oct 2012 18:39:18 +0000 (14:39 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 2 Oct 2012 18:39:18 +0000 (14:39 -0400)
This is the preferred packet for writing data to memory
or registers on SI.

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

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