mirror of
https://github.com/AskDavis/Getting-Started-With-ACPI.git
synced 2026-01-01 05:05:57 -08:00
51 lines
1.5 KiB
Plaintext
51 lines
1.5 KiB
Plaintext
/*
|
|
* Disable discrete graphics (c) Bumblebee-Project
|
|
* >> https://github.com/Bumblebee-Project/Bumblebee/wiki/ACPI-for-Developers#acpi-and-the-nvidia-card
|
|
* ---
|
|
* Important: Change all ACPI paths accordingly.
|
|
* Credit to Maemo for original idea and midi1996 for the SSDT
|
|
*/
|
|
DefinitionBlock ("", "SSDT", 2, "DRTNIA", "NoHybGfx", 0x00000000)
|
|
{
|
|
External (_SB_.PCI0.PEG0.PEGP._DSM, MethodObj) // dGPU ACPI Path
|
|
External (_SB_.PCI0.PEG0.PEGP._PS3, MethodObj) // dGPU ACPI Path
|
|
|
|
Device (NHG1)
|
|
{
|
|
Name (_HID, "NHG10000") // _HID: Hardware ID
|
|
Method (_STA, 0, NotSerialized) // _STA: Status
|
|
{
|
|
If (_OSI ("Darwin"))
|
|
{
|
|
Return (0x0F)
|
|
}
|
|
Else
|
|
{
|
|
Return (Zero)
|
|
}
|
|
}
|
|
|
|
Method (_INI, 0, NotSerialized) // _INI: Initialize
|
|
{
|
|
If (_OSI ("Darwin"))
|
|
{
|
|
// If conditional methods reference creation successful
|
|
If ((CondRefOf (\_SB.PCI0.PEG0.PEGP._DSM) && CondRefOf (\_SB.PCI0.PEG0.PEGP._PS3)))
|
|
{
|
|
// Card Off Request
|
|
\_SB.PCI0.PEG0.PEGP._DSM (ToUUID ("a486d8f8-0bda-471b-a72b-6042a6b5bee0"), 0x0100, 0x1A, Buffer (0x04)
|
|
{
|
|
0x01, 0x00, 0x00, 0x03
|
|
})
|
|
// Card Off
|
|
\_SB.PCI0.PEG0.PEGP._PS3 ()
|
|
}
|
|
}
|
|
Else
|
|
{
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|