Mailinglist Archive: opensuse-kernel (129 mails)

[Bruno Friedmann <bruno@xxxxxxxxxxx>]

On 12/12/2011 04:35 PM, Cristian Rodríguez wrote:
> Hi:
>
> This is the second part of the xps15z saga.. but will anyways affect a lot of 
> users regardless whatever laptop model used..
>
> This box has an integrated NVIDIA "optimus" 
> http://en.wikipedia.org/wiki/Nvidia_Optimus , which has no support in linux, 
> I can
> certainly live just fine with the intel GPU alone..
>
> I couldn't care less about this thingy, however, the nvidia device
>
> 01:00.0 VGA compatible controller: nVidia Corporation Device 0df5 (rev ff)
>
> remains "on" and is a power hog, taking at least 1 hour of battery..there are 
> all sorts of hacks outside to simple disable it.
>
> This particular one works for me:
>
> http://linux-hybrid-graphics.blogspot.com/2010/07/using-acpicall-module-to-switch-onoff.html
>
>
> however it is an out of tree kernel module and looks fairly hackish, is there 
> any way to send acpi commands without using this
> "acpi_call" kernel module ?
>
> My idea is to create a package that pulled in, just disables the card in the 
> meanwhile someone hacks support for this devices...
>
>
> Cheers.

I've a kind of sort of interest in the optimus ( and yeah more & more users are 
hit by this )
I've the chance to be able to desactivate optimus in the bios, and just work 
with the nvidia quadro.
(At least I've 4.5 hours of autonomy and that's okay for me)



-- 

Bruno Friedmann
Ioda-Net Sàrl www.ioda-net.ch

openSUSE Member & Ambassador
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