SetPixelClock table handles pll divider calculation and
spread spectrum setup, so no need to use calculate the
dividers and call the ss enable cmd table.
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: NJammy Zhou <Jammy.Zhou@amd.com>