[ltp] aticonfig / powerstate and corrupt display

[Rob Hess]

On 6/19/06, Sean Kelley <sean.sweng@gmail.com> wrote:
> I have been battling on and off issues with aticonfig
> --set-powerstate=X.  For a while, it seemed that the display
> corruption upon execution of that command was purely random.  However,
> it now appears that I can get the ati X1300 in my Thinkpad T60 to go
> into a lower power state <<if I first suspend2Ram and then awaken
> it>>.
>
> So there is something about either going into suspend2ram or the
> wake-up process that makes it possible to set a powerplay powerstate.
>
> machine:  Lenovo Thinkpad t60
> video:       x1300
> distro:     Ubuntu dapper drake
>
> Not sure yet, why that is the case or how I can get further in
> resolving this issue.

I've noticed that set-powerstate fails whenever I try to use it with
the AC power plugged in, but that it works fine whenever I try it
while running on battery.  Are you doing it while on battery or while
plugged in?

-Rob