Comment # 4 on bug 106597 from Lukas Wunner

What does the following show?

cat /sys/bus/pci/devices/0000:01:00.0/power/runtime_status        # GPU
cat /sys/bus/pci/devices/0000:01:00.0/power/runtime_usage         # GPU
cat /sys/bus/pci/devices/0000:01:00.0/power/runtime_active_kids   # GPU
cat /sys/bus/pci/devices/0000:01:00.1/power/runtime_status        # HDA
cat /sys/bus/pci/devices/0000:01:00.1/power/runtime_usage         # HDA
cat /sys/bus/pci/devices/0000:01:00.1/power/runtime_active_kids   # HDA