Re: Regression with e428e250fde6 on BeagleBoard Rev C2

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* Andreas Kemnade <andreas@xxxxxxxxxxxx> [210920 15:26]:
> Hi,
> 
> On Mon, 20 Sep 2021 16:34:59 +0300
> Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> 
> > > I fail to understand how omap3isp affects this since it actually disable
> > > clocks after probe. Does it keep some power domain active which then
> > > keeps the timer active etc?  
> > 
> > Sounds like it's because omap3isp never allows the SoC to enter deeper
> > idle states. The mpu clock is stopped for idle states.
> 
> On GTA04 I experienced also some strange pm issues with omap3isp:
> rmmod clears up everything fine.
> 
> After probing, clocks seems to be turned off, but power consumption
> does not drop. It only drops when there is an iommu_detach paired to
> that iommu_attach in the driver.
> But if I add it, the driver does not work properly.

Are you also seeing a timer issue? Or just the omap3isp not idling the
SoC issue?

Regards,

Tony



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