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Tue, 21 Jan 2020 01:37:59 -0800 (PST) Date: Tue, 21 Jan 2020 09:37:55 +0000 From: Quentin Perret To: Dietmar Eggemann Subject: Re: [PATCH 1/4] PM / EM: and devices to Energy Model Message-ID: <20200121093755.GA157387@google.com> References: <20200116152032.11301-1-lukasz.luba@arm.com> <20200116152032.11301-2-lukasz.luba@arm.com> <20200117105437.GA211774@google.com> <40587d98-0e8d-cbac-dbf5-d26501d47a8c@arm.com> <20200120150918.GA164543@google.com> <8332c4ac-2a7d-1e2d-76e9-7c979a666257@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200121_013802_138134_445ACB71 X-CRM114-Status: UNSURE ( 8.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nm@ti.com, juri.lelli@redhat.com, daniel.lezcano@linaro.org, peterz@infradead.org, viresh.kumar@linaro.org, dri-devel@lists.freedesktop.org, bjorn.andersson@linaro.org, bsegall@google.com, alyssa.rosenzweig@collabora.com, festevam@gmail.com, Morten.Rasmussen@arm.com, robh@kernel.org, amit.kucheria@verdurent.com, vincent.guittot@linaro.org, khilman@kernel.org, agross@kernel.org, b.zolnierkie@samsung.com, steven.price@arm.com, cw00.choi@samsung.com, mingo@redhat.com, linux-imx@nxp.com, rui.zhang@intel.com, kernel-team@android.com, mgorman@suse.de, daniel@ffwll.ch, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, s.hauer@pengutronix.de, rostedt@goodmis.org, linux-mediatek@lists.infradead.org, matthias.bgg@gmail.com, Chris.Redpath@arm.com, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, airlied@linux.ie, javi.merino@arm.com, tomeu.vizoso@collabora.com, sboyd@kernel.org, shawnguo@kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, kernel@pengutronix.de, sudeep.holla@arm.com, ionela.voinescu@arm.com, Lukasz Luba Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Tuesday 21 Jan 2020 at 10:10:16 (+0100), Dietmar Eggemann wrote: > True. But then we hard-code that a CPU device performance domain can > only be a frequency domain (which is true today). > > The task scheduler (build_perf_domains()) and thermal are already using > cpufreq_cpu_get() to access the cpufreq policy. Now the EM framework > would too for CPU devices. I assume that could work with a couple of > adaptations in Documentation/power/energy-model.rst. Agreed, and if one day we have a real use case where the pd mask and the cpufreq policy mask need to be different, we'll do the necessary changes. But until then I don't see a reason to object to Lukasz' proposal. So +1 from me. Thanks, Quentin _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek