Location: /sys/bus/pci/devices/0000:01:00.0
ACPI Name:
$ cat /sys/bus/pci/devices/0000:01:00.0/firmware_node/path
\_SB_.PCI0.GPP0.PEGP
GPU is located at _SB.PCI0.GPP0 PCI Bridge as _SB_.PCI0.GPP0.PEGP.
GPP has power resource PG00 referenced in ssdt6.asl:332 which supports _ON/_OFF methods:
In ssdt6.asl:332:
Scope (\_SB.PCI0.GPP0)
{
...
PowerResource (PG00, 0x00, 0x0000)
{
Name (M239, One)
Method (_STA, 0, NotSerialized) // _STA: Status
Method (_ON, 0, NotSerialized) // _ON_: Power On
Method (_OFF, 0, NotSerialized) // _OFF: Power Off
}
...
}
Commands
- Power off -
\_SB.PCI0.GPP0.PG00._OFF - Get Status -
\_SB.PCI0.GPP0.PG00._STA
Misc notes
_SB_.PCI0.GP17.VGA_.GPUB
\_SB.PCI0.GPP0
\_SB.PCI0.GPP1
GP17.VGA
DSM=16
\_SB.PCI0.GPP0.PG00._OFF
GPU is located at #0 - Renoir PCIe GPP Bridge [1022:1633] (pci@0000:00:01.1)