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Message-ID: <1df48a42-3b4e-4eb4-971b-cd4be001ba27@quicinc.com>
Date: Fri, 31 May 2024 17:26:52 +0530
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Subject: Re: [PATCH V5 RESEND 5/5] venus: pm_helpers: Use
 dev_pm_genpd_set_hwmode to switch GDSC mode on V6
To: Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
        Konrad Dybcio
	<konrad.dybcio@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        "Michael
 Turquette" <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
        Vikash Garodia
	<quic_vgarodia@quicinc.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        "Ulf
 Hansson" <ulf.hansson@linaro.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Kevin Hilman <khilman@kernel.org>, Pavel Machek <pavel@ucw.cz>,
        Len Brown
	<len.brown@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Andy
 Gross" <agross@kernel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Abel Vesa <abel.vesa@linaro.org>
CC: <linux-arm-msm@vger.kernel.org>, <linux-clk@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
        <linux-pm@vger.kernel.org>, Taniya Das <quic_tdas@quicinc.com>,
        "Satya Priya
 Kakitapalli" <quic_skakitap@quicinc.com>,
        Imran Shaik
	<quic_imrashai@quicinc.com>,
        Ajit Pandey <quic_ajipan@quicinc.com>
References: <20240413152013.22307-1-quic_jkona@quicinc.com>
 <20240413152013.22307-6-quic_jkona@quicinc.com>
 <5c78ad52-524b-4ad7-b149-0e7252abc2ee@linaro.org>
 <b96ef82c-4033-43e0-9c1e-347ffb500751@quicinc.com>
 <a522f25f-bb38-4ae1-8f13-8e56934e5ef5@linaro.org>
 <dbd1b86c-7b5f-4b92-ab1f-fecfe1486cfc@quicinc.com>
 <621dbaaa-6b86-45b5-988e-a6d9c39b13d7@linaro.org>
 <d36c1163-a3f0-4034-a430-91986e5bbce8@linaro.org>
 <ef194e5c-f136-4dba-bfe0-2c6439892e34@linaro.org>
 <d2e55523-f8fd-4cbe-909c-57de241107e8@linaro.org>
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From: Jagadeesh Kona <quic_jkona@quicinc.com>
In-Reply-To: <d2e55523-f8fd-4cbe-909c-57de241107e8@linaro.org>
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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