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([2a01:e34:ed2f:f020:cc78:8018:8980:25d8]) by smtp.googlemail.com with ESMTPSA id z203sm12244435wmg.12.2020.04.03.09.43.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Apr 2020 09:43:23 -0700 (PDT) Subject: Re: [PATCH v5 3/5] thermal: devfreq_cooling: Use PM QoS to set frequency limits To: Lukasz Luba , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-imx@nxp.com Cc: Morten.Rasmussen@arm.com, Dietmar.Eggemann@arm.com, javi.merino@arm.com, cw00.choi@samsung.com, b.zolnierkie@samsung.com, rjw@rjwysocki.net, sudeep.holla@arm.com, viresh.kumar@linaro.org, nm@ti.com, sboyd@kernel.org, rui.zhang@intel.com, amit.kucheria@verdurent.com, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, rostedt@goodmis.org, qperret@google.com, bsegall@google.com, mgorman@suse.de, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, kernel@pengutronix.de, khilman@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org, robh@kernel.org, matthias.bgg@gmail.com, steven.price@arm.com, tomeu.vizoso@collabora.com, alyssa.rosenzweig@collabora.com, airlied@linux.ie, daniel@ffwll.ch, liviu.dudau@arm.com, lorenzo.pieralisi@arm.com, patrick.bellasi@matbug.net, orjan.eide@arm.com, rdunlap@infradead.org, mka@chromium.org References: <20200318114548.19916-1-lukasz.luba@arm.com> <20200318114548.19916-4-lukasz.luba@arm.com> From: Daniel Lezcano Autocrypt: addr=daniel.lezcano@linaro.org; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200318114548.19916-4-lukasz.luba@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org On 18/03/2020 12:45, Lukasz Luba wrote: > From: Matthias Kaehlcke > > Now that devfreq supports limiting the frequency range of a device > through PM QoS make use of it instead of disabling OPPs that should > not be used. > > The switch from disabling OPPs to PM QoS introduces a subtle behavioral > change in case of conflicting requests (min > max): PM QoS gives > precedence to the MIN_FREQUENCY request, while higher OPPs disabled > with dev_pm_opp_disable() would override MIN_FREQUENCY. > > Signed-off-by: Matthias Kaehlcke > Reviewed-by: Lukasz Luba > Reviewed-by: Chanwoo Choi This patch is standalone, right? If yes, I will apply it. -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog