hybrid-graphics-linux team mailing list archive

[Pierre <pinaraf@xxxxxxxxxxxx>]

On Saturday 20 November 2010 07:34:52 David Marsh wrote:
> As I understand it there are two options :-
> 
> 1. Install closed source binary driver from NVidia and have GPU on 100% of
> the time.
> 
> 2. Install noveau open source driver and have possibility of :-
>     2.1 Intel GMA + NVidia GPU for CUDA/OpenCL.
>     2.2 Just Intel GMA with NVidia GPU turned off / powered down ?
> 
> NVidia have stated they do not intend to support Optimus for Linux.
> 
> I think people are hoping to at some point have a runtime switch similar to
> either the old manual user switching or the automatic Windows Optimus
> switching supported in noveau. There appear problems with the design of X
> Windows and the fact the the NVidia code is closed source however, so this
> may never happen ?
> 
> So the answer to his problem would appear to be install the closed source
> binary driver ? However this will result in poor battery life.
> 
> Correct me if I'm wrong as I'm a relative linux noob and not an expert on
> the Noveau code.
> 
> regards
> 
> David M

Hi

No, you can *not* use your nVidia GPU unless you have somewhere a way to enable 
it, either with nvidia/nouveau driver. It'll suck power 100% of the time, even 
when unused, if you don't switch it off.

 Pierre

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