From: Lukasz Luba <lukasz.luba@arm.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: linux-kernel@vger.kernel.org, dietmar.eggemann@arm.com,
rafael@kernel.org, daniel.lezcano@linaro.org, nm@ti.com,
sboyd@kernel.org, mka@chromium.org, dianders@chromium.org,
robh+dt@kernel.org, devicetree@vger.kernel.org,
linux-pm@vger.kernel.org
Subject: Re: [PATCH v5 0/5] Introduce "opp-microwatt" and Energy Model from DT
Date: Thu, 3 Mar 2022 06:57:49 +0000 [thread overview]
Message-ID: <c2dabec3-ffdb-909a-a8dd-f8e77a8108ed@arm.com> (raw)
In-Reply-To: <20220303040539.ocnslxyswnvua3o7@vireshk-i7>
On 3/3/22 04:05, Viresh Kumar wrote:
> On 02-03-22, 11:29, Lukasz Luba wrote:
>> Hi all,
>>
>> This patch set solves a few issues:
>> 1. It allows to register EM from DT, when the voltage information is not
>> available. (Some background of the issues present on Chromebook devices
>> can be checked at [1].)
>> 2. It allows to register 'advanced' EM from the DT, which is more accurate
>> and reflects total power (dynamic + static).
>>
>> Implementation details:
>> Existing machinery in the OPP framework now handles "opp-microwatt", similarly
>> to "opp-microamp". It also has helper exported function to get power from OPP.
>> For the EM, it adds a new callback in OPP framework to use this new API and
>> read power while having an opp pointer. It's agreed to work with OPP-v2.
>>
>> Comments, suggestions are very welcome.
>>
>> changelog:
>> v5:
>> - added dual-macro to conditionally setup needed callback and compile
>> on !EM kernel gently
>> - removed 'advanced' word from OPP patch header description
>> v4 [2]
>
> Applied. Thanks.
>
Thank you Viresh for your reviews.
Regards,
Lukasz
prev parent reply other threads:[~2022-03-03 6:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-02 11:29 Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 1/5] dt-bindings: opp: Add "opp-microwatt" entry in the OPP Lukasz Luba
2022-03-02 17:45 ` Rob Herring
2022-03-02 17:46 ` Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 2/5] OPP: Add "opp-microwatt" supporting code Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 3/5] PM: EM: add macro to set .active_power() callback conditionally Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 4/5] OPP: Add support of "opp-microwatt" for EM registration Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 5/5] Documentation: EM: Describe new registration method using DT Lukasz Luba
2022-03-03 4:05 ` [PATCH v5 0/5] Introduce "opp-microwatt" and Energy Model from DT Viresh Kumar
2022-03-03 6:57 ` Lukasz Luba [this message]
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