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[130.180.211.218]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-434b0f325fdsm63936945e9.30.2024.11.29.12.00.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 Nov 2024 12:00:40 -0800 (PST) Message-ID: <20d3a0be-ba5f-439f-80ff-2e2bda3bb144@linaro.org> Date: Fri, 29 Nov 2024 21:00:39 +0100 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/5] thermal: multi-sensor aggregation support To: Nicolas Pitre , "Rafael J . Wysocki" , linux-pm@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Nicolas Pitre , Alexandre Bailon References: <20241112052211.3087348-1-nico@fluxnic.net> Content-Language: en-US From: Daniel Lezcano In-Reply-To: <20241112052211.3087348-1-nico@fluxnic.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 12/11/2024 06:19, Nicolas Pitre wrote: > This series provides support for thermal aggregation of multiple sensors. > The "one sensor per zone" model is preserved for all its advantages. > Aggregation is performed via the creation of a special zone whose purpose > consists in aggregating its associated primary zones using a weighted > average. > > Motivation for this work stems from use cases where multiple sensors are > contained within the same performance domain. In such case it is preferable > to apply thermal mitigation while considering all such sensors as a whole. Do we have a real use case where we can compare the per sensor vs aggregated sensors approach ? > Previous incarnation by Alexandre Bailon can be found here: > https://patchwork.kernel.org/project/linux-pm/cover/20240613132410.161663-1-abailon@baylibre.com/ > > diffstat: > .../bindings/thermal/thermal-zones.yaml | 5 +- > arch/arm64/boot/dts/mediatek/mt8195.dtsi | 210 +----- > drivers/thermal/Kconfig | 27 + > drivers/thermal/thermal_core.c | 643 ++++++++++++++++++ > drivers/thermal/thermal_core.h | 14 + > drivers/thermal/thermal_of.c | 86 ++- > 6 files changed, 780 insertions(+), 205 deletions(-) -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog