linux-kernel - Re: [PATCH 2/4] media: venus: Use dev_pm_domain_attach|detach

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Message-ID: <557d576b-627f-4cc8-9f4b-59dc8d86a9ae@gmail.com>
Date: Fri, 23 Aug 2024 10:42:10 +0300
From: Stanimir Varbanov <stanimir.k.varbanov@...il.com>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
 Stephen Boyd <sboyd@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 Thierry Reding <thierry.reding@...il.com>,
 Mikko Perttunen <mperttunen@...dia.com>,
 Jonathan Hunter <jonathanh@...dia.com>, linux-pm@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Vikash Garodia <quic_vgarodia@...cinc.com>, linux-media@...r.kernel.org,
 linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 2/4] media: venus: Use dev_pm_domain_attach|detach_list()
 for OPP PM domain

Hi Ulf,

On 23.08.24 г. 0:40 ч., Ulf Hansson wrote:
> On Thu, 22 Aug 2024 at 20:05, Stanimir Varbanov
> <stanimir.k.varbanov@...il.com> wrote:
>>
>> Hi Ulf,
>>
>> On 21.08.24 г. 11:56 ч., Ulf Hansson wrote:
>>> On Tue, 20 Aug 2024 at 22:48, Stanimir Varbanov
>>> <stanimir.k.varbanov@...il.com> wrote:
>>>>
>>>> Hi Ulf,
>>>>
>>>> Thank you for the patch!
>>>>
>>>> On 23.07.24 г. 17:46 ч., Ulf Hansson wrote:
>>>>> Rather than hooking up the PM domains through devm_pm_opp_attach_genpd()
>>>>> and manage the device-link, let's avoid the boilerplate-code by converting
>>>>> into dev_pm_domain_attach|detach_list.
>>>>>
>>>>> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
>>>>> ---
>>>>>     drivers/media/platform/qcom/venus/core.c      |  8 ++---
>>>>>     drivers/media/platform/qcom/venus/core.h      |  6 +---
>>>>>     .../media/platform/qcom/venus/pm_helpers.c    | 31 ++++++-------------
>>>>>     3 files changed, 14 insertions(+), 31 deletions(-)
>>>>>
>>>>
>>>> Acked-by: Stanimir Varbanov <stanimir.k.varbanov@...il.com>
>>>
>>> Thanks!
>>>
>>>>
>>>> I'll pick it through linux-media.
>>>
>>> Please don't.
>>>
>>> I should have stated that this depends on another series [1] - and
>>> they need either to go together or we need to defer $subject patch
>>> until the next release cycle.
>>
>> Sure, then I guess we will deffer venus patch until the preparation
>> series is merged to avoid conflicts. Thank you!
> 
> Assuming the preparation series gets accepted, maybe we can give it a
> try via my pmdomain tree? Or do expect to land a lot of code that
> could conflict?

Please take it via pmdomain tree. Thank you!

> 
> I also realized that I already have a different series [1] queued in
> my pmdomain tree from Dikshita Agarwal (reviewed by Bryan), that moves
> an existing call for dev_pm_domain_attach() to the new
> devm_pm_domain_attach() helper. So far I haven't received any reports
> about conflicts from linux-next, so it looks good I think.
> 
> Kind regards
> Uffe
> 
> [1]
> https://lore.kernel.org/all/CAPDyKFqsHL3uatmLZaRzZ_GfkZw-+fURQNSEgvmrf-ini+WHng@mail.gmail.com/

-- 
regards,
Stan