From: "Clément Péron" <peron.clem@gmail.com>
To: Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org,
"Clément Péron" <peron.clem@gmail.com>
Subject: [PATCH v4 2/5] arm64: dts: allwinner: h6: Add cooling map for GPU
Date: Tue, 6 Sep 2022 17:30:31 +0200 [thread overview]
Message-ID: <20220906153034.153321-3-peron.clem@gmail.com> (raw)
In-Reply-To: <20220906153034.153321-1-peron.clem@gmail.com>
Add a simple cooling map for the GPU.
This cooling map come from the vendor kernel 4.9 with a
2°C hysteresis added.
Signed-off-by: Clément Péron <peron.clem@gmail.com>
---
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 51 +++++++++++++++++++-
1 file changed, 49 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 5a28303d3d4c..53f6660656ac 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -186,6 +186,7 @@ gpu: gpu@1800000 {
clocks = <&ccu CLK_GPU>, <&ccu CLK_BUS_GPU>;
clock-names = "core", "bus";
resets = <&ccu RST_BUS_GPU>;
+ #cooling-cells = <2>;
status = "disabled";
};
@@ -1072,9 +1073,55 @@ map0 {
};
gpu-thermal {
- polling-delay-passive = <0>;
- polling-delay = <0>;
+ polling-delay-passive = <1000>;
+ polling-delay = <2000>;
thermal-sensors = <&ths 1>;
+
+ trips {
+ gpu_alert0: gpu-alert-0 {
+ temperature = <95000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ gpu_alert1: gpu-alert-1 {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ gpu_alert2: gpu-alert-2 {
+ temperature = <105000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ gpu-crit {
+ temperature = <115000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ // Forbid the GPU to go over 756MHz
+ map0 {
+ trip = <&gpu_alert0>;
+ cooling-device = <&gpu 1 THERMAL_NO_LIMIT>;
+ };
+
+ // Forbid the GPU to go over 624MHz
+ map1 {
+ trip = <&gpu_alert1>;
+ cooling-device = <&gpu 2 THERMAL_NO_LIMIT>;
+ };
+
+ // Forbid the GPU to go over 576MHz
+ map2 {
+ trip = <&gpu_alert2>;
+ cooling-device = <&gpu 3 THERMAL_NO_LIMIT>;
+ };
+ };
};
};
};
--
2.34.1
next prev parent reply other threads:[~2022-09-06 15:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-06 15:30 [PATCH v4 0/5] Allwinner H6 GPU devfreq Clément Péron
2022-09-06 15:30 ` [PATCH v4 1/5] arm64: defconfig: Enable devfreq cooling device Clément Péron
2022-09-06 15:30 ` Clément Péron [this message]
2022-09-08 16:22 ` [PATCH v4 2/5] arm64: dts: allwinner: h6: Add cooling map for GPU Jernej Škrabec
2022-09-06 15:30 ` [PATCH v4 3/5] arm64: dts: allwinner: h6: Add GPU OPP table Clément Péron
2022-09-06 19:10 ` Jernej Škrabec
2022-09-06 19:26 ` Clément Péron
2022-09-08 16:26 ` Jernej Škrabec
2022-09-08 16:51 ` Jernej Škrabec
2022-09-06 15:30 ` [PATCH v4 4/5] drm/panfrost: devfreq: set opp to the recommended one to configure regulator Clément Péron
2022-09-08 10:03 ` Steven Price
2022-09-06 15:30 ` [PATCH v4 5/5] arm64: dts: allwinner: beelink-gs1: Enable GPU OPP Clément Péron
2022-09-08 16:27 ` Jernej Škrabec
2022-09-08 20:12 ` [PATCH v4 0/5] Allwinner H6 GPU devfreq Jernej Škrabec
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