Hi at all, I open a new post for more visibility
I have a rx6900xt and try the big sura 11.2 beta 2. The system work but with a generic VGA (14mb memory).
This is information about the video card on Big Sur 11.2 Beta 2
https://i.postimg.cc/25yRgc7r/Schermata-2021-01-13-alle-20-18-10.png
I'd like to try the spoof of the GPU with the device-id of the 5700xt (0x731f).
https://dortania.github.io/Getting-Started-With-ACPI/Universal/spoof.html
On Windows my ACPI Path is with this 2:
ACPI(_SB_)#ACPI(PCI0)#ACPI(GPP8)#ACPI(X161)#ACPI(SWDS)#ACPI(VGA_)
\_SB_.PCI0.GPP8.X161.SWDS.VGA_
ACPI(_SB_)#ACPI(PCI0)#ACPI(GPP8)#ACPI(SWUS)#ACPI(SWDS)#ACPI(VGA_)
\SB_.PCI0.GPP8.SWUS.SWDS.VGA_
I Try to use the first one, and after I try also to insert both but the mod not work, on big sur I see the original device-id.
I try to do but is not working on the system... I can't spoof correctly the device-id.
This is my gpu-spoof-id.aml on the boot with this code:
DefinitionBlock ("", "SSDT", 2, "DRTNIA", "AMDGPU", 0x00001000)
{
External (_SB_.PCI0, DeviceObj)
External (_SB_.PCI0.GPP8.X161.SWDS.VGA_, DeviceObj)
Scope (_SB_.PCI0.GPP8.X161.SWDS.VGA_)
{
if (_OSI ("Darwin"))
{
Method (_DSM, 4, NotSerialized) // _DSM: Device-Specific Method
{
Local0 = Package (0x04)
{
// Where we shove our FakeID
"device-id",
Buffer (0x04)
{
0x1F, 0x73, 0x00, 0x00
},
// Changing the name of the GPU reported, mainly cosmetic
"model",
Buffer ()
{
"AMD Radeon RX6900XT"
}
}
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)
}
}
}
Someone can help me or explaining why is not working (An error on my aml file ?).
I think if I loaded correctly I have at least a kernel panic...
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