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Re: current status Nvidia hybrid graphics Re: Nvidia/Intel switching nightmare.

 

I think mainly this mailing list for any news that are related to the vaio z
laptops.
I didn't google much about what bits of the nouveau work would be important
for hybrid graphics features, but I can try and do that. I'll ask Matthew.

Cheers,

    Albert.

2009/5/29 Zuzanna K. Filutowska <platyna@xxxxxxxxxxxxxxxxx>

> Dnia piątek 29 maj 2009, Albert Vilella napisał:
> > Hi,
> >
> > I would like to acknowledge that Eva and Matze did a great job with the
> > sony-laptop module, which
> > is a good solution for the only-intel or only-nvidia options.
> >
> > I remember Matze mentioning in previous emails that he was investigating
> > some other options for communicating with the nvidia card. I've recently
> > started compiling a list of laptop models that have hybrid graphics
> cards,
> > with ATI PowerXpress or Nvidia SLI HybridGraphics capabilities:
> >
> > http://en.wikipedia.org/wiki/Linux_Hybrid_Graphics
> >
> > As you can see, there are other DSDT tables there for hybrid nvidia
> > laptops. Maybe this information is relevant to compare against the vaio z
> > DSDT table.
> >
> > We've exchanged emails in this mailing list (see archives) with the
> > linux-acpi developer Matthew Garrett. Here are are some of his comments:
> >
> > 1) Nvidia hybrid machines. These have been worked out. I sent a driver
> > to the linux-acpi mailing list that will disable whichever chip is not
> > in use. Runtime switching is easy from a technology point of view, but
> > currently impossible from the point of view of POSTing the nvidia gpu or
> > getting X to handle switchover.
> >
> > He also mentioned that some of the work in the nouveau drivers could have
> a
> > positive impact in being able to hot-switching the nvidia card on and
> off.
> > But this work is still not complete.
> >
> > So in an optimistic mood I can say that I think there's been a lot of
> work
> > done and there are good prospects for more!
> >
> > Cheers,
>
> So any particular links we should check to follow the progress of these
> works?
>
> Also I have followed Eva's input about DSDT, unfortunately it doesn't work,
> even more, it makes the system hang at startup in most cases.
>
> Regards.
>
> --
> Zuzanna K. Filutowska
> Home page: http://platyna.platinum.linux.pl/.
> NIC-HDL <http://platyna.platinum.linux.pl/.%0ANIC-HDL>: ZKF-RIPE, IRC
> nick: Platyna, Linux RU: #289909.
> Well? I will go far, As the echo of the devout bell goes. --Sarah Brightman
>

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