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

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Date:   Thu, 18 Jun 2020 17:41:31 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Mark Brown <broonie@...nel.org>
Cc:     bjorn.andersson@...aro.org, agross@...nel.org, robdclark@...il.com,
        robdclark@...omium.org, viresh.kumar@...aro.org, sboyd@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 0/6] DVFS for IO devices on sdm845 and sc7180


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
>>>     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 ?

Is this seen on sdm845 or sc7180, or both?

thanks,
Rajendra  -- 
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