PPSMC_CACLongTermAvgEnable
smc_result = amdgpu_si_send_msg_to_smc(adev, PPSMC_CACLongTermAvgEnable);
smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgEnable);
smc_result = si_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgEnable);