tree 37ff80e016bf2b79d91bd4be289dcceab9691e93
parent 9e9d976205626c3bd92776181cde6a2dda648c2b
author Alex Deucher <alexander.deucher@amd.com> 1375803578 -0400
committer Alex Deucher <alexander.deucher@amd.com> 1377894634 -0400

drm/radeon: restructure UVD code to handle UVD PG (v2)

When we PG (powergate) UVD, we need to re-initialize it
before we can use it again.

v2: rebase on UVD stop fixes

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