sony-vaio-z-series team mailing list archive

[andagom@xxxxxxxxx]

Dear Adam,

You mentioned you have the Intel graphics working. Do you also have
brightness control working?

Also would you mind sharing the particulars of the kernel you used to
achieve this? I have been struggling the past few days trying to get Intel
alone to work with brightness control by compiling various kernels with
various patches. The only luck I've had was with 2.6.34 kernel with Zhao
Yakui's i915 patch
http://lowl.net/wp-content/uploads/2010/06/i915patch.txtHowever this
does not allow brightness control as far as I am concerned.

Sincerely,
Andrew

On Fri, Jul 30, 2010 at 3:01 AM, Adam Hill <sidepipeuk@xxxxxxxxx> wrote:

> Hi Xavier/Aleix/Anyone whos interested(!),
>
>        Thanks for this. Sorry for the delay but I've been having no end of
> trouble getting this to work, because it seems to be a very specific set of
> modules and configs which make it possible. Hopefully this will improve
> over
> time, but for now we are where we are. I'm also running out of time to work
> on
> it, so it won't be perfect by any means.
>
>        What I hope to end up with once I've tested everything is:
>
> - You will be able to switch to "speed", select an old kernel from the boot
> menu, and the machine will automatically boot then re-boot in to my kernel,
> which will allow the proprietary NVidia drivers to run with only that card
> enabled. Without booting the old kernel first there is no easy way to stop
> the
> Intel card from stealing resources at boot and so the NVidia drivers don't
> work. The Neoveau ones nearly work, but don't detect any outputs being
> connected, so this may be fixed soon, but for now to use the NVidia card
> you
> are stuck with this solution.
>
> - In "speed" or "auto" mode, you should just be able to boot my kernel, and
> everything will work with the Intel drivers ( i.e. no booting an old kernel
> first. )
>
>        I could not get the Debian kernel to work, and so I am having to use
> the
> normal Linux 2.6.35-rc6 without Debian patches, but that should be ok for
> this
> - better to have a machine which doesn't eat the battery.
>
>        Hopefully I'll have something later today.
>
> Adam.
>
>
> On Wednesday 28 July 2010 17:27:56 xh@xxxxxxxxxxx wrote:
> > Hi
> > I'm ok to host it.
> > send me a mail when your kernel is ready.
> >
> > Xavier.
> >
> > ----- Message d'origine -----
> >
> > > On Wednesday 28 July 2010 08:46:05 Aleix Solà wrote:
> > > > Hi Adam is there any way to hack kernel without compiling it? I'm not
> > > > able to make Intel work.
> > >
> > >     There is no way without compiling a kernel or getting someone to
> > > compile   one for you, no. I could maybe look at building a Ubuntu
> lucid
> > > kernel with my   changes in, but would then need to find some kind soul
> > > to host it.
> > >
> > > Adam.
> > >
> > > > 2010/7/28, Adam Hill <sidepipeuk@xxxxxxxxx>:
> > > > > On Wednesday 28 July 2010 03:36:45 Ben Wilson wrote:
> > > > > > All of the bios modification threads I've come across thus far
> are
> > > > > > for the 2009 version of the laptop, do you know of any links for
> > > > > > the 2010 (VPCZ1290) models?
> > > > >
> > > > >     Unfortunately I don't, though I'm sure that the BIOS will be
> > > > > pretty much
> > > > >
> > > > > the same between the two versions since the laptops are identical.
> > > > >
> > > > >     Personally, I'm working on getting both graphics cards to work
> > > > > WITHOUT
> > > > >
> > > > > having to mod the bios - I've got the Intel card working, though
> with
> > > > > kernel hacks etc. The NVidia card almost works I think, but
> currently
> > > > > the X server driver thinks that the primary card is in fact the
> Intel
> > > > > one and so doesn't try to initialise the correct one.   I'm hoping
> > > > > that this is the only issue, but since I wasn't that bothered about
> > > > > getting that card working I haven't looked in to it further yet.
> > > > >
> > > > >     In the mean time, booting an old kernel in speed mode, then
> > > > > booting the
> > > > >
> > > > > correct one, lets you use the NVidia card with the NVidia
> proprietary
> > > > > drivers
> > > > > - that works fine.
> > > > >
> > > > > Adam.
> > > > >
> > > > > > - Ben
> > > > > >
> > > > > > On Tue, Jul 27, 2010 at 5:05 PM, Adam Hill <sidepipeuk@xxxxxxxxx
> >
> > > > > >
> > > > > > wrote:
> > > > > > > Yes, you can either boot an older kernel first ( pre 2.6.30 ish
> > > > > > > ) and then reboot, or you can modify the bios. In either case
> > > > > > > having the switch set to speed mode will result in only the
> > > > > > > NVidia card showing up. There are many references to bios
> > > > > > > modding around.
> > > > > > >
> > > > > > > Adam
> > > > > > >
> > > > > > > On 27 Jul 2010 21:57, "Ben Wilson" <benwilson512@xxxxxxxxx>
> > > > > > > wrote: Is there some way to simply disable the intel graphics
> > > > > > > device such that it won't be recognized by the OS at all?
> > > > > > >
> > > > > > > Thanks,
> > > > > > >
> > > > > > > - Ben
> > > > > > >
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