Hi Matze,

Two comments if I may,
Because you did most of the work in this area together with Matthew Garrett,
you are probably the best to ask: how feasible is it to have the nvidia card
to switch on/off on a working linux session, not through a reboot? I still
see this being a very interesting feature even if an xserver reboot is
required...
The second comment, according to Matthew's email a while ago, it seems like
all nvidia hybrid graphics behave the same, so an nvidia generic control
tool is probably useful. I keep an updated list of current systems with
contributed DSDT dumps here:

http://en.wikipedia.org/wiki/Linux_Hybrid_Graphics

You can sort them by "graphics configuration" as this is for all 4 hybrid
graphics configurations I've found so far:

   - Intel <http://en.wikipedia.org/wiki/Intel> graphics
processor<http://en.wikipedia.org/wiki/Graphics_processing_unit>with
shared main memory +
   Nvidia <http://en.wikipedia.org/wiki/Nvidia> graphics card (e.g. Sony
   Vaio <http://en.wikipedia.org/wiki/VAIO> Z-series)
   - Nvidia <http://en.wikipedia.org/wiki/Nvidia> processor with shared main
   memory + Nvidia <http://en.wikipedia.org/wiki/Nvidia> high-end processor
   (e.g. Acer Aspire 7530, also Macbook
Pro<http://en.wikipedia.org/wiki/Macbook_Pro>late 2008/early 2009)
   - Intel <http://en.wikipedia.org/wiki/Intel> graphics processor with
   shared main memory + ATI <http://en.wikipedia.org/wiki/ATI> graphics card
   (e.g. Lenovo T400)
   - ATI <http://en.wikipedia.org/wiki/ATI> processor with shared main
   memory + ATI <http://en.wikipedia.org/wiki/ATI> high-end processor (e.g.
   MSI PX211)

I hope it's useful for you or anybody else in the list,

Cheers,

    Albert.

On Thu, Jun 18, 2009 at 11:03 AM, Matthias Welwarsky <ma...@welwarsky.de>wrote:

> On Thursday 18 June 2009 11:06:15 Mario wrote:
> > Matthias Welwarsky ha scritto:
> > > On Thursday 18 June 2009 10:51:12 Mario wrote:
> > >> I'm still using Eva's module but I'm just wondering if I still need it
> > >> with kernel 2.6.30: what are the differences? I'm using the Intel
> > >> graphics card. I guess sony module in 2.6.30 can't disable (for power
> > >> saving) the nvidia card, but what about the rest? Multimedia keys?
> > >
> > > I think the rest should work. I'll have to download 2.6.30 kernel and
> > > kompare the the module sources. Maybe it's time for a new release...
> >
> > If all the keys and rfkill stuff works well with the 2.6.30 kernel we
> > could create a new module of utility that "try" to control the stuff
> > related to the hybrid graphics system. Maybe the new nvidia-control does
> > that...
>
> Indeed. But I think the new nvidia-control lacks a possibility to "force" a
> state, something that e.g. Norbert now uses in his Intel/Nvidia switching
> script. I could add it there, too, but that means I need to distribute two
> modules instead of one. Then nvidia-control however has the advantage of
> being
> agnostic of laptop vendor, so it might work on other machines with
> nvidia/intel hybrid graphics solution.
>
> >
> > Mario
>
>
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