tree 7c9c97e5bb7a08275b4e0becc125fb090835778e
parent ce7b30e02578dda6b2263b05308c640f3b57d32c
author Alex Deucher <alexander.deucher@amd.com> 1379084110 -0400
committer Alex Deucher <alexander.deucher@amd.com> 1379291270 -0400

drm/radeon/dpm/rs780: don't enable sclk scaling if not required

If the low and high sclks are the same, there is no need to
enable sclk scaling.  This causes display stability issues on
certain boards.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=60857

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