I’ve finally got more than 30W out of APU. The trick was to bump APU skin temperature limit. Now the sustained limit is 33-34W and it’s bottlenecked on APU hitting 100C at room temp of 28C.
At room temp of 20C it should hit around 37W sustained. It’s still quite far from 45W in the spec.
#!/bin/bash
ryzenadj -a ${1}000 -b ${1}000 -c ${1}000 --apu-skin-temp 70