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