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[77.130.65.237]) by smtp.googlemail.com with ESMTPSA id s9sm280101wmc.1.2019.06.12.07.55.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Jun 2019 07:55:30 -0700 (PDT) Subject: Re: [PATCH 1/2] arm64: dts: rockchip: Fix multiple thermal zones conflict in rk3399.dtsi From: Daniel Lezcano To: heiko@sntech.de Cc: linux-kernel@vger.kernel.org, edubezval@gmail.com, manivannan.sadhasivam@linaro.org, Rob Herring , Mark Rutland , Matthias Brugger , Philipp Tomsich , Christoph Muellner , Viresh Kumar , Enric Balletbo i Serra , Emil Renner Berthing , Randy Li , Tony Xie , Vicente Bergas , Klaus Goger , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/Rockchip SoC support" , "open list:ARM/Rockchip SoC support" References: <20190604165802.7338-1-daniel.lezcano@linaro.org> Openpgp: preference=signencrypt Autocrypt: addr=daniel.lezcano@linaro.org; prefer-encrypt=mutual; keydata= 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a+0AjSGd886Bh0kT1Dznrite0dzYlTHlacbITZG84yRk/gS7DkYQdjL8zgFr/pxH5CbYJDk0 tYUhisTESeesbvWSPO5uNqqy1dAFw+dqRcF5gXIh3NKX0gqiAA87NM7nL5ym/CNpJ7z7nRC8 qePOXubgouxumi5RQs1+crBmCDa/AyJHKdG2mqCt9fx5EPbDpw6Zzx7hgURh4ikHoS7/tLjK iqWjuat8/HWc01yEd8rtkGuUcMqbCi1XhcAmkaOnX8FYscMRoyyMrWClRZEQRokqZIj79+PR adkDXtr4MeL8BaB7Ij2oyRVjXUwhFQNKi5Z5Rve0a3zvGkkqw8Mz20BOksjSWjAF6g9byukl CUVjC03PdMSufNLK06x5hPc/c4tFR4J9cLrV+XxdCX7r0zGos9SzTPGNuIk1LK++S3EJhLFj 4eoWtNhMWc1uiTf9ENza0ntqH9XBWEQ6IA1gubCniGG+Xg== Message-ID: <5423af35-9ba0-cf41-88a0-cf3f01777aac@linaro.org> Date: Wed, 12 Jun 2019 16:55:28 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190604165802.7338-1-daniel.lezcano@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, is there any comment on these two patches? On 04/06/2019 18:57, Daniel Lezcano wrote: > Currently the common thermal zones definitions for the rk3399 assumes > multiple thermal zones are supported by the governors. This is not the > case and each thermal zone has its own governor instance acting > individually without collaboration with other governors. > > As the cooling device for the CPU and the GPU thermal zones is the > same, each governors take different decisions for the same cooling > device leading to conflicting instructions and an erratic behavior. > > As the cooling-maps is about to become an optional property, let's > remove the cpu cooling device map from the GPU thermal zone. > > Signed-off-by: Daniel Lezcano > --- > arch/arm64/boot/dts/rockchip/rk3399.dtsi | 9 --------- > 1 file changed, 9 deletions(-) > > diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi > index 196ac9b78076..e1357e0f60f7 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi > @@ -821,15 +821,6 @@ > type = "critical"; > }; > }; > - > - cooling-maps { > - map0 { > - trip = <&gpu_alert0>; > - cooling-device = > - <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > - <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > - }; > - }; > }; > }; > > -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog