''For all that Paul emphasizes Christ’s Lordship (vv 4, 7), he never forgets that God is over all, so that thanksgiving is rendered not to Christ but through Christ, just as the call to be Christ’s comes from God, not from Christ (see on 1:6)'';
Dunn, J. D. G. (2002). Vol. 38A: Word Biblical Commentary : Romans 1-8. Word Biblical Commentary (28). Dallas: Word, Incorporated.
Do'nt you think ,that the Godhead of Our Lord Jesus Christ is deing diminished?