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Message-ID: <1df48a42-3b4e-4eb4-971b-cd4be001ba27@quicinc.com>
Date: Fri, 31 May 2024 17:26:52 +0530
From: Jagadeesh Kona <quic_jkona@...cinc.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Michael
 Turquette" <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia
	<quic_vgarodia@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Ulf
 Hansson" <ulf.hansson@...aro.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Kevin Hilman <khilman@...nel.org>, Pavel Machek <pavel@....cz>,
        Len Brown
	<len.brown@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Andy
 Gross" <agross@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Abel Vesa <abel.vesa@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, Taniya Das <quic_tdas@...cinc.com>,
        "Satya Priya
 Kakitapalli" <quic_skakitap@...cinc.com>,
        Imran Shaik
	<quic_imrashai@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>
Subject: Re: [PATCH V5 RESEND 5/5] venus: pm_helpers: Use
 dev_pm_genpd_set_hwmode to switch GDSC mode on V6



On 5/10/2024 6:31 PM, Bryan O'Donoghue wrote:
> On 01/05/2024 10:14, Bryan O'Donoghue wrote:
>> On 30/04/2024 21:01, Konrad Dybcio wrote:
>>> On 24.04.2024 11:50 AM, Bryan O'Donoghue wrote:
>>>> On 24/04/2024 10:45, Jagadeesh Kona wrote:
>>>>>
>>>>> Thanks Bryan for testing this series. Can you please confirm if 
>>>>> this issue is observed in every run or only seen during the first 
>>>>> run? Also please let me know on which platform this issue is observed?
>>>>>
>>>>> Thanks,
>>>>> Jagadeesh
>>>>
>>>> rb5/sm8250
>>>>
>>>> My observation was on a previous _boot_ the stuttering was worse. 
>>>> There is in the video capture three times that I count where the 
>>>> video halts briefly, I guess we need to vote or set an OPP so the 
>>>> firmware knows not to power-collapse quite so aggressively.
>>>
>>> We seem to be having some qualcomm-wide variance on perf/pwr usage on 
>>> some
>>> odd boots.. Any chance you could try like 5 times and see if it was a 
>>> fluke?
>>>
>>> Konrad
>>
>> Sure.
>>
>> The first time I tried it, it was much worse.
>>
>> The second time, captured in the video is only noticeable because I 
>> was *looking* for this specific error i.e. I don't think I would have 
>> noticed the error on the second run, had I not seen the first run.
>>
>> I'll find some time to do 5x with and 5x without.
>>
>> ---
>> bod
> 
> ping bod please remember to do this thanks
> 

Hi Bryan, Could you please let me know if you got a chance to check the 
above? Thank you!

Thanks,
Jagadeesh

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