Touchscreen failure with CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND

[Viresh Kumar]

On 25-04-17, 08:09, Fabio Estevam wrote:
> Hi Viresh,
> 
> On Tue, Apr 25, 2017 at 2:06 AM, Viresh Kumar <viresh.kumar at linaro.org> wrote:
> 
> > Honestly, I don't have a clue on how can we fix it for you now :)
> >
> > @Rafael: Any idea apart from running at max all the time?
> >
> > what touchscreen driver are you using btw? Just curious to see if there is any
> > bug in there. Handling touchscreen events shouldn't require us to run at max
> > freq.
> 
> imx6q-sabresd board uses a drivers/input/touchscreen/egalax_ts.c touchscreen.
> 
> >
> > @shawn: Saw something similar ever ?
> 
> I do not see the problem with the NXP kernel, but was not able to
> identify what makes the touchscreen not to fail at 396MHz in their
> kernel.

@Shawn/Sascha: Can you guys help here? This looks to be some imx
specific stuff now.

-- 
viresh