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Date: Tue, 30 Apr 2024 22:01:54 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 Jagadeesh Kona <quic_jkona@...cinc.com>,
 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 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

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