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Kernel 6.1 has started actually enforcing the bindings requirment that thermal zones must have associated trips described as well, otherwise they will fail during probing with: [ 0.865494] thermal_sys: Failed to find 'trips' node [ 0.867254] thermal_sys: Failed to find trip points for thermal-sensor id=4 [ 0.872271] thermal_sys: Failed to find 'trips' node [ 0.878898] thermal_sys: Failed to find trip points for thermal-sensor id=5 [ 0.884222] thermal_sys: Failed to find 'trips' node [ 0.890775] thermal_sys: Failed to find trip points for thermal-sensor id=6 [ 0.896073] thermal_sys: Failed to find 'trips' node [ 0.902668] thermal_sys: Failed to find trip points for thermal-sensor id=7 [ 0.907964] thermal_sys: Failed to find 'trips' node [ 0.914569] thermal_sys: Failed to find trip points for thermal-sensor id=8 [ 0.921203] thermal_sys: Failed to find 'trips' node [ 0.926469] thermal_sys: Failed to find trip points for thermal-sensor id=14 [ 0.931759] thermal_sys: Failed to find 'trips' node [ 0.938703] thermal_sys: Failed to find trip points for thermal-sensor id=15 So, since CPUFreq support isnt yet upstream we can start by adding critical trips to all of the thermal zones to protect the devices against severely overheating. Qualcomm has set the overheat trip at 120 C but lets be conservative and set it at 110 C. This patch has been sent upstream as well. Signed-off-by: Robert Marko <robimarko@gmail.com>
198 lines
3.6 KiB
Diff
198 lines
3.6 KiB
Diff
From 145bbf2b88990ef3ff00ee541bb7662008683c16 Mon Sep 17 00:00:00 2001
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From: Robert Marko <robimarko@gmail.com>
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Date: Wed, 7 Jun 2023 20:26:26 +0200
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Subject: [PATCH] arm64: dts: qcom: ipq8074: add critical thermal trips
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According to bindings, thermal zones must have associated trips as well.
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Since we currently dont have CPUFreq support and thus no passive cooling
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lets start by defining critical trips to protect the devices against
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severe overheating.
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Signed-off-by: Robert Marko <robimarko@gmail.com>
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---
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arch/arm64/boot/dts/qcom/ipq8074.dtsi | 96 +++++++++++++++++++++++++++
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1 file changed, 96 insertions(+)
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--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
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+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
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@@ -1293,6 +1293,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 4>;
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+
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+ trips {
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+ nss-top-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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nss0-thermal {
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@@ -1300,6 +1308,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 5>;
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+
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+ trips {
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+ nss-0-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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nss1-thermal {
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@@ -1307,6 +1323,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 6>;
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+
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+ trips {
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+ nss-1-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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wcss-phya0-thermal {
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@@ -1314,6 +1338,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 7>;
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+
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+ trips {
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+ wcss-phya0-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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wcss-phya1-thermal {
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@@ -1321,6 +1353,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 8>;
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+
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+ trips {
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+ wcss-phya1-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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cpu0_thermal: cpu0-thermal {
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@@ -1328,6 +1368,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 9>;
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+
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+ trips {
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+ cpu0-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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cpu1_thermal: cpu1-thermal {
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@@ -1335,6 +1383,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 10>;
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+
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+ trips {
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+ cpu1-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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cpu2_thermal: cpu2-thermal {
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@@ -1342,6 +1398,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 11>;
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+
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+ trips {
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+ cpu2-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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cpu3_thermal: cpu3-thermal {
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@@ -1349,6 +1413,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 12>;
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+
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+ trips {
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+ cpu3-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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cluster_thermal: cluster-thermal {
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@@ -1356,6 +1428,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 13>;
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+
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+ trips {
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+ cluster-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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wcss-phyb0-thermal {
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@@ -1363,6 +1443,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 14>;
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+
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+ trips {
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+ wcss-phyb0-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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wcss-phyb1-thermal {
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@@ -1370,6 +1458,14 @@
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polling-delay = <1000>;
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thermal-sensors = <&tsens 15>;
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+
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+ trips {
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+ wcss-phyb1-crit {
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+ temperature = <110000>;
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+ hysteresis = <1000>;
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+ type = "critical";
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+ };
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+ };
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};
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};
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};
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