linux-kernel - Re: [PATCH v11 09/10] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree

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Message-ID: <6ab55ef7-87bb-9f10-c262-b02430fe7d12@gmail.com>
Date:   Tue, 8 Dec 2020 01:11:21 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Chanwoo Choi <cw00.choi@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Mikko Perttunen <cyndis@...si.fi>,
        Viresh Kumar <vireshk@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Cc:     linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v11 09/10] PM / devfreq: tegra30: Support interconnect and
 OPPs from device-tree

07.12.2020 04:32, Chanwoo Choi пишет:
> On 12/4/20 4:24 AM, Dmitry Osipenko wrote:
>> This patch moves ACTMON driver away from generating OPP table by itself,
>> transitioning it to use the table which comes from device-tree. This
>> change breaks compatibility with older device-trees and brings support
>> for the interconnect framework to the driver. This is a mandatory change
>> which needs to be done in order to implement interconnect-based memory
>> DVFS, i.e. device-trees need to be updated. Now ACTMON issues a memory
>> bandwidth requests using dev_pm_opp_set_bw() instead of driving EMC clock
>> rate directly.
>>
>> Tested-by: Peter Geis <pgwipeout@...il.com>
>> Tested-by: Nicolas Chauvet <kwizart@...il.com>
>> Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
>> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
>> ---
...
> 
> Applied it. Thanks for your work for a long time.
> 

Thank you!