amdgpu_dpm_set_fan_control_mode
ret = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
err = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
((amdgpu_dpm_set_fan_control_mode(adev, U32_MAX) == -EOPNOTSUPP) &&
int amdgpu_dpm_set_fan_control_mode(struct amdgpu_device *adev,