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Re: FW: Linux hybrid graphics card

 

On Sat, Nov 20, 2010 at 1:34 AM, David Marsh <dmarsh26@xxxxxxxxxxx> 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.
>

I would like to do 2.1. Could somebody please point me to a howto or
something?Thanks!


>     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
>
> From: pinaraf@xxxxxxxxxxxx
> To: hybrid-graphics-linux@xxxxxxxxxxxxxxxxxxx
> Date: Fri, 19 Nov 2010 17:52:07 +0100
> Subject: Re: [Hybrid-graphics-linux] Linux hybrid graphics card
>
>
> On Friday 19 November 2010 14:05:37 Albert Vilella wrote:
> > Hi Davide,
> >
> > (ccing to the maiiling list)
> >
> > Have you tried to follow the instructions here?
>
> > https://launchpad.net/~hybrid-graphics-linux <https://launchpad.net/%7Ehybrid-graphics-linux>
> >
> > You can try it by installing the module and calling it like this:
> > git clone http://github.com/mkottman/acpi_call.git
>
> > cd acpi_call
> > make
> > sudo insmod acpi_call.ko
> > ./test_off.sh
> > If you see a "works!" message, it's working. On an unplugged laptop,
> > clicking on the battery indicator before and after running the test.sh
>
> > script, should show a difference of about an extra 1-3 hours battery
> > life.
>
> You are not really answering him.
> He wants to use his nvidia card, not to shut it down.
> I saw only one interesting mail about this real issue on this mailing list, and
>
> no one ever answered this mail :
> https://lists.launchpad.net/hybrid-graphics-linux/msg00263.html
> I hope we hear a lot from this johnny and I really hope he'll succeed.
>
> To sum up for f_dav : so far, no way to use your nVidia card, you can only shut
> it down using this acpi_call thing.
>
>  Pierre
>
>
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>


-- 
Regards,
Onti

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