From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Lukasz Luba <lukasz.luba@arm.com>,
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
Subject: Re: [PATCH v5 3/5] thermal: devfreq_cooling: Use PM QoS to set frequency limits
Date: Fri, 3 Apr 2020 18:43:20 +0200 [thread overview]
Message-ID: <d73ce772-8d0a-e5f4-097a-d89e01ff7578@linaro.org> (raw)
In-Reply-To: <20200318114548.19916-4-lukasz.luba@arm.com>
On 18/03/2020 12:45, Lukasz Luba wrote:
> From: Matthias Kaehlcke <mka@chromium.org>
>
> 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 <mka@chromium.org>
> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
This patch is standalone, right? If yes, I will apply it.
--
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next prev parent reply other threads:[~2020-04-03 16:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-18 11:45 [PATCH v5 0/5] Add support for devices in the Energy Model Lukasz Luba
2020-03-18 11:45 ` [PATCH v5 1/5] PM / EM: add devices to " Lukasz Luba
2020-04-03 16:05 ` Daniel Lezcano
2020-04-06 13:29 ` Lukasz Luba
2020-04-06 14:58 ` Daniel Lezcano
2020-04-06 16:07 ` Lukasz Luba
2020-04-06 21:17 ` Daniel Lezcano
2020-04-07 9:32 ` Lukasz Luba
2020-03-18 11:45 ` [PATCH v5 2/5] OPP: refactor dev_pm_opp_of_register_em() and update related drivers Lukasz Luba
2020-04-01 7:19 ` Lukasz Luba
2020-04-03 16:21 ` Daniel Lezcano
2020-04-06 14:05 ` Lukasz Luba
2020-03-18 11:45 ` [PATCH v5 3/5] thermal: devfreq_cooling: Use PM QoS to set frequency limits Lukasz Luba
2020-04-03 16:43 ` Daniel Lezcano [this message]
2020-04-03 17:18 ` Matthias Kaehlcke
2020-04-03 17:19 ` Daniel Lezcano
2020-03-18 11:45 ` [PATCH v5 4/5] thermal: devfreq_cooling: Refactor code and switch to use Energy Model Lukasz Luba
2020-04-01 10:49 ` Lukasz Luba
2020-04-03 17:44 ` Daniel Lezcano
2020-04-06 13:35 ` Lukasz Luba
2020-03-18 11:45 ` [PATCH v5 5/5] drm/panfrost: Register devfreq cooling and attempt to add " Lukasz Luba
2020-03-18 13:11 ` Alyssa Rosenzweig
2020-03-23 13:50 ` Lukasz Luba
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