As RK3399 had used the Power allocator thermal governor by default,
enabled this to manage thermals by dynamically allocating and limiting
power to devices.
Also, this patch supported the dynamic-power-coefficient/sustainable_power
and GPU's power model for needed parameters with thermal IPA.
Signed-off-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3399.dtsi | 62 +++++++++++++++-----------------
1 file changed, 29 insertions(+), 33 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 8c6438b..139f58c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -147,7 +147,7 @@
enable-method = "psci";
#cooling-cells = <2>; /* min followed by max */
clocks = <&cru ARMCLKB>;
- dynamic-power-coefficient = <100>;
+ dynamic-power-coefficient = <436>;
};
cpu_b1: cpu@101 {
@@ -156,7 +156,7 @@
reg = <0x0 0x101>;
enable-method = "psci";
clocks = <&cru ARMCLKB>;
- dynamic-power-coefficient = <100>;
+ dynamic-power-coefficient = <436>;
};
};
@@ -690,24 +690,25 @@
};
thermal_zones: thermal-zones {
- cpu_thermal: cpu {
+ soc_thermal: soc-thermal {
polling-delay-passive = <100>;
polling-delay = <1000>;
+ sustainable-power = <1000>;
thermal-sensors = <&tsadc 0>;
trips {
- cpu_alert0: cpu_alert0 {
+ threshold: trip-point@0 {
temperature = <70000>;
hysteresis = <2000>;
type = "passive";
};
- cpu_alert1: cpu_alert1 {
- temperature = <75000>;
+ target: trip-point@1 {
+ temperature = <85000>;
hysteresis = <2000>;
type = "passive";
};
- cpu_crit: cpu_crit {
+ soc_crit: soc-crit {
temperature = <95000>;
hysteresis = <2000>;
type = "critical";
@@ -716,45 +717,31 @@
cooling-maps {
map0 {
- trip = <&cpu_alert0>;
+ trip = <&target>;
cooling-device =
- <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ contribution = <4096>;
};
map1 {
- trip = <&cpu_alert1>;
+ trip = <&target>;
cooling-device =
- <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ contribution = <1024>;
+ };
+ map2 {
+ trip = <&target>;
+ cooling-device =
+ <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ contribution = <4096>;
};
};
};
- gpu_thermal: gpu {
+ gpu_thermal: gpu-thermal {
polling-delay-passive = <100>;
polling-delay = <1000>;
thermal-sensors = <&tsadc 1>;
-
- trips {
- gpu_alert0: gpu_alert0 {
- temperature = <75000>;
- hysteresis = <2000>;
- type = "passive";
- };
- gpu_crit: gpu_crit {
- temperature = <95000>;
- hysteresis = <2000>;
- type = "critical";
- };
- };
-
- cooling-maps {
- map0 {
- trip = <&gpu_alert0>;
- cooling-device =
- <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
- };
- };
};
};
@@ -1455,8 +1442,17 @@
interrupt-names = "GPU", "JOB", "MMU";
clocks = <&cru ACLK_GPU>;
clock-names = "clk_mali";
+ #cooling-cells = <2>;
power-domains = <&power RK3399_PD_GPU>;
status = "disabled";
+
+ gpu_power_model: power_model {
+ compatible = "arm,mali-simple-power-model";
+ static-coefficient = <1079403>;
+ dynamic-coefficient = <977>;
+ ts = <32000 4700 (-80) 2>;
+ thermal-zone = "gpu-thermal";
+ };
};
pinctrl: pinctrl {
--
2.7.4
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