[Arm-netbook] LCD goes haywire after inactivity

[Frans Pop]

On Tuesday 30 March 2010, Luke Kenneth Casson Leighton wrote:
>  ahh.... it's altogether possible that the LCD has been powered off -
> or brightness set to zero - and powering back on hasn't been done yet.

The LCD does not turn off, it goes weird: semi-random patterns.

So DPMS is _trying_ to turn it off, but incorrect signals are getting sent 
and that messes up the display big time.

If it turned of cleanly and then failed to come back it would be a much 
less problematic issue.