SSDT-6950.dsl

// Based off of WhateverGreen's sample.dsl
// https://github.com/acidanthera/WhateverGreen/blob/master/Manual/Sample.dsl

DefinitionBlock ("", "SSDT", 2, "DRTNIA", "AMDGPU", 0x00001000)
{

    External (_SB_.PC00, DeviceObj) // <- root goes here
    External (\_SB.PC00.PEG1.PEGP, DeviceObj) // <- path goes here
 
 
    Scope (\_SB.PC00.PEG1.PEGP) // path also goes here
    {
        if (_OSI ("Darwin"))
        {
            Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
            {
                Local0 = Package (0x04)
                {
                    // Where we shove our FakeID
                    "device-id",
                    Buffer (0x04)
                    {
                        0xBF, 0x73, 0x00, 0x00 // <- The fake device id
                    },
 
                    // Changing the name of the GPU reported, mainly cosmetic
                    "model",
                    Buffer ()
                    {
                        "AMD Radeon RX 6950 XT" // <- Name displayed in system info
                    }
                }
                DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                Return (Local0)
            }
        }
    }
    Scope (\_SB.PCI0)
    {
        Method (DTGP, 5, NotSerialized)
        {
            If (LEqual (Arg0, ToUUID ("a0b5b7c6-1318-441c-b0c9-fe695eaf949b")))
            {
                If (LEqual (Arg1, One))
                {
                    If (LEqual (Arg2, Zero))
                    {
                        Store (Buffer (One)
                            {
                                 0x03
                            }, Arg4)
                        Return (One)
                    }
 
                    If (LEqual (Arg2, One))
                    {
                        Return (One)
                    }
                }
            }
 
            Store (Buffer (One)
                {
                     0x00
                }, Arg4)
            Return (Zero)
        }
    }
 
}