drm/amd/display: Clean up unused function.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2017-06-27 10:02:48 -04:00 • committed by Alex Deucher
commit 2782488ae6