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https://github.com/AskDavis/Getting-Started-With-ACPI.git
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69 lines
1.9 KiB
Plaintext
69 lines
1.9 KiB
Plaintext
// Based off of WhateverGreen's sample.dsl
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// https://github.com/acidanthera/OpenCorePkg/tree/master/Docs/AcpiSamples/Source/Sample.dsl
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DefinitionBlock ("", "SSDT", 2, "DRTNIA", "AMDGPU", 0x00001000)
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{
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External (_SB_.PCI0, DeviceObj)
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External (_SB_.PCI0.PEG0.PEGP, DeviceObj)
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Scope (\_SB_.PCI0.PEG0.PEGP)
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{
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if (_OSI ("Darwin"))
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{
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Method (_DSM, 4, NotSerialized) // _DSM: Device-Specific Method
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{
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Local0 = Package (0x04)
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{
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// Where we shove our FakeID
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"device-id",
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Buffer (0x04)
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{
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0xB0, 0x67, 0x00, 0x00
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},
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// Changing the name of the GPU reported, mainly cosmetic
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"model",
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Buffer ()
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{
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"AMD Radeon R9 390"
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}
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}
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DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
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Return (Local0)
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}
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}
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}
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Scope (\_SB.PCI0)
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{
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Method (DTGP, 5, NotSerialized)
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{
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If (LEqual (Arg0, ToUUID ("a0b5b7c6-1318-441c-b0c9-fe695eaf949b")))
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{
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If (LEqual (Arg1, One))
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{
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If (LEqual (Arg2, Zero))
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{
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Store (Buffer (One)
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{
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0x03
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}, Arg4)
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Return (One)
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}
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If (LEqual (Arg2, One))
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{
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Return (One)
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}
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}
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}
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Store (Buffer (One)
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{
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0x00
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}, Arg4)
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Return (Zero)
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}
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}
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} |