I realized that the same thing happens to me when I do a manual reset, the values are reset and when I tried to change them when I hit the apply button, it just did not change .It has happened to me with all the drivers that I have tried (many) magicool what gpu d you have?
I have a RX 480 8GB (MSI Gaming X).
Oh yeah I jsut realized that when I hit apply the valeus reset.
I didn't have this issue before 18.1.1.
Before clocks and voltage woudl get applied and saved correctly