[Mer-discuss] LCD flicker when ondemand?

Carsten Munk carsten.munk at gmail.com
Wed Oct 14 11:26:23 EEST 2009


Hi,

We have it happening with our base from
http://gitorious.org/mer-smartq/mer-smartq-kernel/commit/112a485fecdaeabe2b5fc7c1eea0832d2da26c0d.
We switched to be using the mer-smartq tree in our Mer 0.16 testing images,
so it can be a lot of different things..

BR,
Carsten

2009/10/14 You Sheng <david.ysh at gmail.com>

> Hi Carsten,
> We haven't meet this problem before. It Seems LCD clock (or memory clock)
> changed when activated ondemand cpufreq governor.
> But CPU clock was only controlled by APLL while system and LCD clock
> controlled by MPLL, thus CPU clock can't affect LCD or system clock.
> Do you know this happens from which git revision?
>
> Best Regards
> You Sheng
>
> 2009/10/14 Carsten Munk <carsten.munk at gmail.com>
>
> Hi You,
>>
>> We seem to be getting reports of flickering LCDs when ondemand cpufreq
>> governor is activated. This is after using the new kernel sources from
>> mer-smartq.
>>
>> The problem doesn't show when it is left in performance mode. Anything you
>> can shed light on?
>>
>> Thanks for the feedback,
>> /Carsten Munk
>>
>>
>>
>>
>
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