A way to switch off nVidia discrete cards ?

[Florent Peterschmitt]

Le 08/06/2013 00:08, Oliver Pinter a écrit :
> On 6/8/13, Florent Peterschmitt <florent at peterschmitt.fr> wrote:
>> Hi,
>>
>> I've absolutely no skill in system development but I think, based on
>> bbswitch (which is part of bumblebee project), that doing such a think
>> would not be too difficult.
>>
>> I have a 9.1-RELEASE FreeBSD which I'm going to upgrade to -current, for
>> testing and developing purpose so, is there any documentation or little
>> how-to of how to develop for FreeBSD, in the kernel, using access to
>> hardware and ACPI ?
> 
> p at pandora-test ~> sysctl -d hw.pci.do_power_nodriver
> hw.pci.do_power_nodriver: Place a function into D3 state when no
> driver attaches to it.  0 means
> disable.  1 means conservatively place devices into D3 state.  2 means
> agressively place devices into D3 state.  3 means put absolutely everything
> in D3 state.

Unfortunately it's not that simple, the nVidia card must be controlled
to really shut down…

Florent Peterschmitt           | Please:
florent at peterschmitt.fr        |  * Avoid HTML/RTF in E-mail
+33 (0)6 64 33 97 92           |  * PDF for documents
http://florent.peterschmitt.fr | Thank you :)

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