diff --git a/Desktops/desktop-disable.md b/Desktops/desktop-disable.md index b5a08ff..2181541 100644 --- a/Desktops/desktop-disable.md +++ b/Desktops/desktop-disable.md @@ -18,6 +18,8 @@ To find the PCI path of a GPU is fairly simple, best way to find it is running W ![](https://cdn.discordapp.com/attachments/456913818467958789/675210740231176212/unknown.png) +![](![Credit to 1Revenger1 for the image](https://cdn.discordapp.com/attachments/683011276938543134/695396807739441232/unknown-4.png)) + The second "ACPI" is what we care about: ``` diff --git a/Laptops/backlight.md b/Laptops/backlight.md index eed2dba..7c885db 100644 --- a/Laptops/backlight.md +++ b/Laptops/backlight.md @@ -16,3 +16,6 @@ If Windows has been installed on the device, you can also do the following: ```text Device Manager -> Display Adapters -> Properties -> Details > BIOS device name ``` +* Note some GPUs may be hiding under "BIOS device name" + +![Credit to 1Revenger1 for the image](https://cdn.discordapp.com/attachments/683011276938543134/695396807739441232/unknown-4.png) \ No newline at end of file diff --git a/Laptops/laptop-disable.md b/Laptops/laptop-disable.md index b10d9f7..c3326b5 100644 --- a/Laptops/laptop-disable.md +++ b/Laptops/laptop-disable.md @@ -5,6 +5,8 @@ So with laptops, we can hide the dGPU from macOS with the little boot-arg called * [Optimus Method](/Laptops/laptop-disable.md#optimus-method) * [Bumblebee Method](/Laptops/laptop-disable.md#bumblebee-method) +Note that this is not needed for install, but recommended for post-install + ## Optimus Method How this works is that we call the `.off` method found on Optimus GPUs, this is the expected way to power off a GPU but some may find their dGPU will power back up later on. Mainly seen in Lenovo's, the Optimus method should work for most users: @@ -17,17 +19,21 @@ Next we need to get on Windows, and head to the following: ```text Device Manager -> Display Adapters -> dGPU -> Properties -> Details > BIOS device name ``` +* Note some GPUs may be hiding under "BIOS device name" This should provided you with an ACPI path for your dGPU, most commonly: * Nvidia dGPU: `\_SB.PCI0.PEG0.PEGP` * AMD dGPU: `\_SB.PCI0.PEGP.DGFX` + +![Credit to 1Revenger1 for the image](https://cdn.discordapp.com/attachments/683011276938543134/695396807739441232/unknown-4.png) + Now with that, we'll need to change the ACPI path in the SSDT. Main sections: ```text -External(_SB.PCI0.PEG0.PEGP._OFF, MethodObj) // ACPI Path of dGPU -```text +External(_SB.PCI0.PEG0.PEGP._OFF, MethodObj) +``` ```text If (CondRefOf(\_SB.PCI0.PEG0.PEGP._OFF)) { \_SB.PCI0.PEG0.PEGP._OFF() } @@ -35,10 +41,12 @@ If (CondRefOf(\_SB.PCI0.PEG0.PEGP._OFF)) { \_SB.PCI0.PEG0.PEGP._OFF() } Once adapted to your config, head to the compile section +* For those with sleep issues, you can refer to the original [Rehabman thread](https://www.tonymacx86.com/threads/guide-disabling-discrete-graphics-in-dual-gpu-laptops.163772/) + ## Bumblebee Method -With some machines, the simple `.off` call won't keep the card off properly, that's where the Bumblebee method comes in. This SSDT will actually send the dGPU into D3 state being the lowest power state a device can support. Creit to Mameo for the original adaptation +With some machines, the simple `.off` call won't keep the card off properly, that's where the Bumblebee method comes in. This SSDT will actually send the dGPU into D3 state being the lowest power state a device can support. Credit to Mameo for the original adaptation. To start, grab [SSDT-NoHybGfx.dsl](https://github.com/khronokernel/Getting-Started-With-ACPI/blob/master/extra-files/SSDT-NoHybGfx.dsl.zip) @@ -62,15 +70,16 @@ External (_SB_.PCI0.PEG0.PEGP._PS3, MethodObj) // dGPU ACPI Path ```text 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 () - } +``` + +``` text + // Card Off Request + \_SB.PCI0.PEG0.PEGP._DSM (ToUUID ("a486d8f8-0bda-471b-a72b-6042a6b5bee0"), 0x0100, 0x1A, Buffer (0x04) +``` + +```text + // Card Off +\_SB.PCI0.PEG0.PEGP._PS3 () ``` Once adapted to your config, head to the compile section diff --git a/Manual/dump.md b/Manual/dump.md index aec82fb..0447786 100644 --- a/Manual/dump.md +++ b/Manual/dump.md @@ -28,7 +28,8 @@ Directory of fs0:\ 01/01/01 3:30p EFI -fs0:\> cd EFI\OC\Tools // note that it's with forward slashes +fs0:\> cd EFI\OC\Tools fs0:\EFI\OC\Tools> acpidump.efi -b -n DSDT -z ``` + diff --git a/SUMMARY.md b/SUMMARY.md index 09e9b3f..46911e8 100644 --- a/SUMMARY.md +++ b/SUMMARY.md @@ -11,12 +11,14 @@ ## Desktop * [Embedded Controllers](/Desktops/desktop-ec.md) +* [Disabling desktop dGPUs](/Desktops/desktop-disable.md) ## Laptop * [Embedded Controllers](/Laptops/laptop-ec.md) * [Backlight PNLF](/Laptops/backlight.md) * [Trackpad GPI0](/Laptops/trackpad.md) +* [Disabling laptop dGPUs](/Laptops/laptop-disable.md) ## Universal diff --git a/Universal/spoof.md b/Universal/spoof.md index de0a97f..37ec47d 100644 --- a/Universal/spoof.md +++ b/Universal/spoof.md @@ -50,8 +50,10 @@ To find the PCI path of a GPU is fairly simple, best way to find it is running W * Open Device Manager * Select Display Adapters, then right click your GPU and select Properties * Under the Details Tab, search for "Location Paths" + * Note some GPUs may be hiding under "BIOS device name" ![](https://cdn.discordapp.com/attachments/456913818467958789/675210740231176212/unknown.png) +![Credit to 1Revenger1 for the image](https://cdn.discordapp.com/attachments/683011276938543134/695396807739441232/unknown-4.png) The second "ACPI" is what we care about: