hybrid-graphics-linux team mailing list archive

[Nuno Lourenco <nlourenz@xxxxxxxxx>]

Hi David,

It is simple as this. You don't. Beware that the script by Pete Eberlein
using the ACPI module is for turning on and off the Nvidia GPU, that doesn't
mean that it will somehow use ONLY the Nvidia GPU, besides, the "problem"
that started this was to turn the GPU off (that was possible thanks to
Pete), because it was on all the time! Consuming lots of battery without any
purpose since the Nvidia GPU wasnt used at all.

Until now, as far I know, there is no way to use the Nvidia GPU on 1215n (or
any other similar Optimus platform) on anything else but Windows 7.

Other thing, as far as I noticed you are reading badly
the /proc/acpi/battery/BAT0/state, if you see it well, you are "charging"
the laptop, the increase of mA that you see is actually the "charging rate",
if it increased that means that is working Ok :) Because it is waisting less
energy so it is able to charge quicker, got it? :)



On Fri, Nov 26, 2010 at 11:33 PM, <david.monnin@xxxxxxx> wrote:

> First of all thanks to Pete Eberlein!!!
>
>
> 1) I have ubuntu 10.10 installed on an Asus Eee PC 1215n. I installed the
> nvidia driver proposed by ubuntu, but it doesn't work whatever the "Optimus
> state" set using the asus1215.sh script. Could somebody explain me how I
> could manage the nvidia driver to works ?
>
>
> 2) I don't understand why, but it seems that the power consumption is
> higher when the GPU is off ???
>
> >./asus1215n.sh on
>
> _PS0 0x0
> P3MO 0x0
> DGPS 0x0
> _PSC 0x0
> Asus 1215N Optimus appears to be on
>
>
> >cat /proc/acpi/battery/BAT0/state
>
> present:                 yes
> capacity state:          ok
> charging state:          charging
> present rate:            1198 mA
> remaining capacity:      2984 mAh
> present voltage:         11792 mV
>
>
> >./asus1215n.sh off
>
> _DSM {0x59, 0x00, 0x00, 0x11}
> _PS3 0x0
> P3MO 0x0
> DGPS 0x1
> _PSC 0x3
> Asus 1215N Optimus appears to be off
>
>
> >cat /proc/acpi/battery/BAT0/state
>
> present:                 yes
> capacity state:          ok
> charging state:          charging
> present rate:            1587 mA
> remaining capacity:      2993 mAh
> present voltage:         11838 mV
>
>
> Thanks,
>
> David-san
>
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