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

Stanimir Varbanov
2020-06-18T08:20:32Z

Hi Rajendra,

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
>>    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
>>    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
>>    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 ?

--
regards,
Stan