drm/radeon: rework GPU reset on cayman/TN
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 18 Jan 2013 20:08:38 +0000 (15:08 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 31 Jan 2013 21:24:51 +0000 (16:24 -0500)
Update the code to better match the recommended
programming sequence for soft reset.

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

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