4b0b1d0526
[Why] Actual dpp/disp clock PMFW set are always equal or more than requested. Need to cache the actual clock for debugging purpose. [How] Add actuall dpp/disp clk in clock manager and save it when set clocks. Add an ASSERT in case of actual clock less than requested. Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Acked-by: Bindu Ramamurthy <bindu.r@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>