drm/radeon/dpm/r7xx: properly catch errors in dpm setup
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 26 Mar 2013 23:09:18 +0000 (19:09 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 27 Jun 2013 23:16:50 +0000 (19:16 -0400)
We weren't properly catching errors in dpm_enable()
and dpm_set_power_state().

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

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