7040 Windows 11 Low Performance After Sleep

[Aman_Chhabra]

I am experiencing the same issue, and this is operating system independent as per this thread:

[TRACKING] PPD changes have no effect after suspend on AMD until reboot

Trying a few games in Linux, I noticed that I’d get really bad performance occasionally. It turned out to be because the GPU would be starved for power. I think there might be a problem with /sys/firmware/acpi/platform_profile after a suspend / resume. Since this is what power-profiles-daemon writes to on this processor, it means that PPD changes seemingly have no effect after that. You can see this most easily running ryzenadj -i in a watch, but it’s also obvious with glxgears and mangohud (an…