On Mon, Oct 21, 2019 at 03:02:23PM +0200, Karol Herbst wrote: > > No, just block runtime PM from the device in nouveau driver. > > but that's not what the patch does. It only skips the PCI PM reg > write, but still let the ACPI method be invoked to put the device into > D3cold Oh, indeed it does. I did not realize that. Which makes me wonder whether ACPI _OFF() expects the device to be in D0 for some reason.