your script didn't help, about the powersave it was enabled by adding amdgpu in the modules in mkinitcpio.conf and then updating iniframs with sudo mkinitcpio - p linux that fixed it, however after waking from suspend cpu runs at turbo frequency again.
your script didn't help, about the powersave it was enabled by adding amdgpu in the modules in mkinitcpio.conf and then updating iniframs with sudo mkinitcpio - p linux that fixed it, however after waking from suspend cpu runs at turbo frequency again.