Some Apple additions.

[thejonan]

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I've encountered the notorious, as it turns out, secondary GPU problem on MacBook Pro. After long battle, I've mange to fix it (many thanks to this post: https://forums.macrumors.com/threads/force-2011-macbook-pro-8-2-with-failed-amd-gpu-to-always-use-intel-integrated-gpu-efi-variable-fix.2037591/). So, along the path, a GUID, not described here showed up: FA4CE28D-B62F-4C99-9CC3-6815686E30F9 and two variables:

gpu-power-prefs - which is (obviously) related to the automatic graphics card switching. backlight-regs - which I don't know how is related, but found it on my EFI with this GUID.

I thought it is worth notifying, so they can be added to the list.

[erikberglund]

Thank you! I will add them. I am intending to update and fix the formatting for this repo, it has been left unattended for some time now. It's time for an update!

[thejonan]

You're welcome. I've just saw that another one has same GUID: gpu-active.

[krackers]

There's one more, GfxMode, see https://github.com/0xbb/gpu-switch/issues/40#issuecomment-1350571188