Well the 'do not require' would suggest to me there will not be a 'special ryzen power plan'.
Would you perhaps be looking for the 'Ryzen Master' oc/monitoring app ?
My PC- Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T.