From 5e884f606cdba9c599c9c9373808f272ae794088 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 6 Aug 2013 11:39:38 -0400
Subject: [PATCH] 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>
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