Re: [PATCH v6 0/6] DVFS for IO devices on sdm845 and sc7180

[Rajendra Nayak]

Hey Stan,

> > Hey Stan,
> >   
> > > On 6/18/20 7:47 AM, Rajendra Nayak wrote:
> > > > Hey Matthias, thanks for summarizing this.
> > > >
> > > > On 6/18/2020 3:45 AM, Matthias Kaehlcke wrote:
> > > > > What is the plan for landing these, it seems not all must/should
> > > > > go through the QCOM tree.
> > > > >
> > > > > My guesses:
> > > > >
> > > > > tty: serial: qcom_geni_serial: Use OPP API to set clk/perf state
> > > > > spi: spi-geni-qcom: Use OPP API to set clk/perf state
> > > > >  ÂÂÂ QCOM tree due to shared dependency on change in
> > > > > include/linux/qcom-geni-se.h
> > > >
> > > > That's correct, Bjorn/Andy, can these be pulled in now for 5.9?
> > > > They have acks from Greg for serial and Mark for the spi patch.
> > > >   
> > > > > drm/msm/dpu: Use OPP API to set clk/perf state
> > > > > drm/msm: dsi: Use OPP API to set clk/perf state
> > > > >  ÂÂÂ drm/msm tree
> > > >
> > > > Correct, the dsi patch is still not reviewed by Rob, so once that's
> > > > done,
> > > > I am guessing Rob would pull both of these.
> > > >
> > > > > media: venus: core: Add support for opp tables/perf voting
> > > > >  ÂÂÂ venus tree
> > > >
> > > > correct, this is pending review/ack from Stan.
> > >
> > > I tested the changes in the driver, and they looks fine. But when
> > > applied the corresponding change in the DT node I see this message when
> > > the streaming is stopping:
> > >
> > > qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x30000
> > >
> > > I tested on v5.7 (linaro-integration). Should I be worried ?

I had a look at this message and also spoke to Maulik, and it seems
like its fairly harmless. It just suggests we had to wait a while to
get a TCS, and then retry, So nothing to worry about.

thanks,
Rajendra

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