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Date: Wed, 28 Oct 2020 14:08:43 +0000 From: Lukasz Luba <lukasz.luba@....com> To: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, vireshk@...nel.org, robh+dt@...nel.org Cc: sboyd@...nel.org, nm@...com, rafael@...nel.org, sudeep.holla@....com, daniel.lezcano@...aro.org, Dietmar.Eggemann@....com, lukasz.luba@....com Subject: [PATCH 0/4] Add sustainable OPP concept Hi all, This patch set introduces a concept of sustainable OPP, which then can be used by kernel frameworks or governors for estimating system sustainable system state. This kind of estimation is done e.g. in thermal governor Intelligent Power Allocation (IPA), which calculates sustainable power of the whole system and then derives some coefficients for internal algorithm. The patch set introduces a new DT bindings 'opp-sustainable', with parsing code. It also adds a function (in patch 3/4) which allows device drivers to set directly the sustainable OPP. This is helpful when the device drivers populate the OPP table by themself (example in patch 4/4). The patch set should apply on top of next-20201028. Regards, Lukasz Luba Lukasz Luba (4): dt-bindings: opp: Introduce opp-sustainable bindings OPP: Add support for parsing the 'opp-sustainable' property OPP: Add dev_pm_opp_set_sustainable_opp_freq() firmware: arm_scmi/perf: Mark sustainable OPP Documentation/devicetree/bindings/opp/opp.txt | 4 + drivers/firmware/arm_scmi/perf.c | 10 +++ drivers/opp/core.c | 75 +++++++++++++++++++ drivers/opp/of.c | 14 ++++ drivers/opp/opp.h | 3 + include/linux/pm_opp.h | 14 ++++ 6 files changed, 120 insertions(+) -- 2.17.1
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