kv_smc_bapm_enable
ret = kv_smc_bapm_enable(rdev, enable);
ret = kv_smc_bapm_enable(rdev, false);
kv_smc_bapm_enable(rdev, false);
ret = kv_smc_bapm_enable(rdev, rdev->pm.dpm.ac_power);
int kv_smc_bapm_enable(struct radeon_device *rdev, bool enable);