Messages in this thread Patch in this message | | | From | bchihi@baylibre ... | Subject | [PATCH v10 6/6] arm64/dts/mt8195: Add temperature mitigation threshold | Date | Thu, 12 Jan 2023 16:28:55 +0100 |
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From: Balsam CHIHI <bchihi@baylibre.com>
The mt8195 board has several hotspots around the CPUs. Specify the targeted temperature threshold when to apply the mitigation and define the associated cooling devices.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com> --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 153 ++++++++++++++++++++--- 1 file changed, 137 insertions(+), 16 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 683e5057d68d..0d6642603095 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -14,6 +14,7 @@ #include <dt-bindings/pinctrl/mt8195-pinfunc.h> #include <dt-bindings/power/mt8195-power.h> #include <dt-bindings/reset/mt8195-resets.h> +#include <dt-bindings/thermal/thermal.h> #include <dt-bindings/thermal/mediatek-lvts.h> / { @@ -2413,107 +2414,227 @@ dp_tx: dp-tx@1c600000 { thermal_zones: thermal-zones { cpu0-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_LITTLE_CPU0>; trips { + cpu0_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu0_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu0_alert>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu1-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_LITTLE_CPU1>; trips { + cpu1_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu1_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu1_alert>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu2-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_LITTLE_CPU2>; trips { + cpu2_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu2_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu2_alert>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu3-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_LITTLE_CPU3>; trips { + cpu3_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu3_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu3_alert>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu4-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_BIG_CPU0>; trips { + cpu4_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu4_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu4_alert>; + cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu5-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_BIG_CPU1>; trips { + cpu5_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu5_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu5_alert>; + cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu6-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_BIG_CPU2>; trips { + cpu6_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu6_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu6_alert>; + cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu7-thermal { - polling-delay = <0>; - polling-delay-passive = <0>; + polling-delay = <1000>; + polling-delay-passive = <250>; thermal-sensors = <&lvts_mcu MT819x_MCU_BIG_CPU3>; trips { + cpu7_alert: trip-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; cpu7_crit: trip-crit { temperature = <100000>; hysteresis = <2000>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&cpu7_alert>; + cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; }; }; -- 2.34.1
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