drm/radeon/dpm: fix fallback for empty UVD clocks
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 10 Sep 2013 13:40:37 +0000 (09:40 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 11 Sep 2013 15:44:34 +0000 (11:44 -0400)
Some older 6xx-7xx boards didn't always fill in the
UVD clocks properly in the UVD power states.  This
leads to the driver trying to set a 0 clock which
results in slow or broken UVD playback.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=69120

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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