[Pkg-mactel-devel] Patch: Add apple_set_os command neede for Macbook Pro 11, 3 (Late 2013)

[Thibaut Paumard]

On Fri, 03 Apr 2015 20:02:33 +0200 Bruno Bierbaumer
<list at bierbaumer.net> wrote:
> Package: grub-efi-amd64
> Version: 2.02~beta2-22
> Severity: wishlist
> Tags: patch
> 
> Dear Debian folks,
> the current generation of dual GPU Macbook Pros turn off the integrated Intel GPU when any other OS than Mac OS X is booted.
> This works by MAC OS X identifying itself as a custom EFI protocol.
> 
> The supplied patch adds a command (apple_set_os) that fakes this OS identification to make all the hardware accessible to Linux.
> So it's possible to have much better battery life and driver support by switching to the power saving Intel GPU instead of the discrete Nvidia GPU.
> 

Dear Bruno,

Is this true (only) when booting Linux in BIOS compatibility mode, or
also in EFI mode? On older Macbooks, the Intel chip is hidden in BIOS
mode, but not in EFI mode.

Kind regards, Thibaut.

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