This reverts commit f4a9be99.

The original commit was found to cause the following two issues
on sienna cichlid:
1. Refresh rate locked during vrrdemo
2. Display sticks on flipped landscape mode after changing
   orientation, and cannot be changed back to regular landscape
Signed-off-by: NQingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: NRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>