man sysctl


On Mon, Nov 19, 2012 at 4:06 AM, Mick <michaelkintzios@gmail.com> wrote:

> On Sunday 18 Nov 2012 14:15:39 Thanasis wrote:
> > on 11/18/2012 04:13 PM Thanasis wrote the following:
> > > on 11/18/2012 02:37 PM Mick wrote the following:
> > >> I would like to check the difference between the power management
> > >> profile settings of 'default' and 'auto' for my radeon card.  I can
> > >> change it from default with:
> > >>
> > >> # echo auto > /sys/class/drm/card0/device/power_profile
> > >>
> > >> # cat /sys/class/drm/card0/device/power_profile
> > >> auto
> > >>
> > >> but, upon reboot it has reverted back to 'default'  :-(
> > >>
> > >>
> > >> I looked under sysctl but can't find anything.  How can I set the
> > >> profile to 'auto' to survive between reboots?
> > >
> > > create a script in /etc/local.d as root and make it executable :
> > >
> > > cd /etc/local.d
> > > cat > set_radeon_to_auto
> > > echo auto > /sys/class/drm/card0/device/power_profile
> > > (CTRL-D)
> > > chmod +x set_radeon_to_auto
> >
> > Correction: the name of the script must end in .start
> > like:
> > set_radeon_to_auto.start
>
> Thanks Thanasis, the start up script works fine, but was wondering if that
> was
> the only way to set it up.
> --
> Regards,
> Mick
>