linux-kernel - Re: [PATCH v4 1/5] interconnect: qcom: sdm660: Commonize RPM-QoS

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Message-ID: <UQVSYQ.02005O7OLITH3@protonmail.com>
Date:   Thu, 02 Sep 2021 09:42:46 +0000
From:   Yassine Oudjana <y.oudjana@...tonmail.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        AngeloGioacchino Del Regno <kholk11@...il.com>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shawn Guo <shawn.guo@...aro.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Subject: Re: [PATCH v4 1/5] interconnect: qcom: sdm660: Commonize RPM-QoS



On Thu, Sep 2 2021 at 02:01:59 +0400, Dmitry Baryshkov 
<dmitry.baryshkov@...aro.org> wrote:
> On 01/09/2021 21:48, AngeloGioacchino Del Regno wrote:
>>  Il 01/09/21 14:15, Yassine Oudjana ha scritto:
>>>  SoCs such as MSM8996 also control bus QoS in a similar fashion to 
>>> SDM660,
>>>  with some paths being controlled by RPM and others directly by the 
>>> AP.
>>>  Move relevant functions and defines to a new object so that they 
>>> can
>>>  be used
>>>  in multiple drivers.
>>> 
>>>  Signed-off-by: Yassine Oudjana <y.oudjana@...tonmail.com>
>> 
>>  Hey guys!
>> 
>>  I'm waiting for the interconnect RPM-QoS commonization to be merged 
>> as I
>>  have fresh
>>  interconnect drivers for MSM8998 and MSM8976, ready to send, that 
>> are
>>  also using
>>  the very same QoS mechanism as SDM660.
> 
> We were also looking onto this. I'd propose to merge sdm660 code into
> main icc-rpm.c instead of splitting it into separate file. We have
> enabled QoS for apq8096 (msm8916) and msm8939. See
> https://lore.kernel.org/linux-arm-msm/20210818015732.1717810-1-dmitry.baryshkov@linaro.org/
> for the reference. I'm waiting for Shawn to publish v2 of his fix, 
> then
> I can post v2 of my patchset.

I'll wait for your v2 to post v5 of this series then.
Please add me to Cc when you send it.

> 
>> 
>>  Yassine, please check Shawn's recent patches for SDM660 
>> interconnect,
>>  which are
>>  fixing some bits for the QoS implementation and adding some required
>>  clocks to the
>>  SDM660 interconnect driver.
>> 
>>  Adding Shawn to the Ccs as to make him aware of this patch;
>>  also adding Marijn and Konrad from SoMainline as probably interested
>>  parties.
>> 
>>  Cheers!
>>  - Angelo
> 
> 
> --
> With best wishes
> Dmitry

Thanks,
Yassine