On Fri, 2021-08-06 at 11:45 -0400, Alex Deucher wrote: > You could set one of the profiles which sets more or less aggressive > clocking, but you still get the advantages of the SMU being able to > dynamically adjust the clocks. If you manually force the clock to low > or high, you end up forcing all clocks, even if a particular engine is > not in use. E.g., if you are not using video decode, there is no need > to force the decoder clocks high as well. Also, if the userspace tool > dies for some reason, that will leave the clocks in the forced state. This looks like the best option for that use case. I've documented it here: https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/issues/3#note_1021578 Thanks very much for your help!