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Re: Issuing ACPI call methods to disable NVIDIA Optimus card



On 24 August 2012 11:22, Jukka Ruohonen <jruohonen%iki.fi@localhost> wrote:
> As I said previously, it takes two minutes to write a module that calls
> arbitrary AML functions. If you tell me the methods that needs to be called,
> I can do it for you.
>
> Otherwise -- while I have nothing against someone porting the above to pkgsrc
> -- I am still not convinced that such a tool is required. Just like writing
> random stuff to hardware registers from userspace is not a good idea.

I know nothing about writing NetBSD kernel modules so I'll just post
the methods used on Linux:
\_SB.PCI0.PEG1.GFX0._OFF - for shutting Nvidia card down
\_SB.PCI0.PEG1.GFX0._ON - for turning it on before suspend.

Regards,
-- 
Bartek Krawczyk
network and system administrator


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