sony-vaio-z-series team mailing list archive

["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: ZKF-RIPE, IRC nick: Platyna, Linux RU: #289909.
Well? I will go far, As the echo of the devout bell goes. --Sarah Brightman