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rk3399: adjust opi4lts thermal trip points

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This commit is contained in:
Paolo Sabatino 2023-08-04 16:05:05 +02:00 committed by Igor
parent 955e8705bc
commit 1219f8decc
2 changed files with 122 additions and 3 deletions
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65
patch/kernel/archive/rockchip64-6.1/add-board-orangepi-4-lts.patch
View File

@ -10,10 +10,10 @@ Subject: [PATCH] rk3399: add Orange Pi 4 LTS device tree
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-orangepi-4-lts.dts b/arch/arm64/boot/dts/rockchip/rk3399-orangepi-4-lts.dts
new file mode 100644
index 000000000000..0a4abf995e4b
index 000000000000..6d6bee12a453
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-orangepi-4-lts.dts
@@ -0,0 +1,1244 @@
@@ -0,0 +1,1304 @@
+/*
+ * SPDX-License-Identifier: (GPL-2.0+ or MIT)
+ * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd.
@ -1235,6 +1235,8 @@ index 000000000000..0a4abf995e4b
+};
+
+&dmc {
+ #cooling-cells = <2>; /* min followed by max */
+
+ status = "okay";
+ center-supply = <&vdd_log>;
+ operating-points-v2 = <&dmc_opp_table>;
@ -1258,6 +1260,63 @@ index 000000000000..0a4abf995e4b
+&dfi {
+ status = "okay";
+};
+
+/*
+ * Redefine some parameters for the thermal trip points for Opi4 LTS.
+ * First of all, the Soc does not like getting over 90°C. My sample
+ * froze at 94.4°C, so we lower the critical temprature to 90°C, hopefully
+ * giving enough room for safe reboot of the device.
+ * Big cores are getting throttled a bit when reaching 82°C, then at 85°C
+ * we aggressively throttle all the cores and even the memory controller.
+ * The GPU is handled by existing trip points in the base device tree, here
+ * we just set the same critical temperature as CPU.
+ */
+&cpu_alert0 {
+ temperature = <82000>;
+};
+
+&cpu_alert1 {
+ temperature = <85000>;
+};
+
+&cpu_crit {
+ temperatue = <90000>;
+};
+
+&gpu_crit {
+ temperatue = <90000>;
+};
+
+&cpu_thermal {
+
+ cooling-maps {
+
+ map0 {
+ trip = <&cpu_alert0>;
+ cooling-device =
+ <&cpu_b0 THERMAL_NO_LIMIT 3>,
+ <&cpu_b1 THERMAL_NO_LIMIT 3>;
+ };
+
+ map1 {
+ trip = <&cpu_alert1>;
+ cooling-device =
+ <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+
+ map2 {
+ trip = <&cpu_alert1>;
+ cooling-device =
+ <&dmc THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+
+ };
+
+};
--
2.34.1

60
patch/kernel/archive/rockchip64-6.4/dt/rk3399-orangepi-4-lts.dts
View File

@ -1249,6 +1249,8 @@
};
&dmc {
#cooling-cells = <2>; /* min followed by max */
status = "okay";
center-supply = <&vdd_log>;
operating-points-v2 = <&dmc_opp_table>;
@ -1272,3 +1274,61 @@
&dfi {
status = "okay";
};
/*
* Redefine some parameters for the thermal trip points for Opi4 LTS.
* First of all, the Soc does not like getting over 90°C. My sample
* froze at 94.4°C, so we lower the critical temprature to 90°C, hopefully
* giving enough room for safe reboot of the device.
* Big cores are getting throttled a bit when reaching 82°C, then at 85°C
* we aggressively throttle all the cores and even the memory controller.
* The GPU is handled by existing trip points in the base device tree, here
* we just set the same critical temperature as CPU.
*/
&cpu_alert0 {
temperature = <82000>;
};
&cpu_alert1 {
temperature = <85000>;
};
&cpu_crit {
temperatue = <90000>;
};
&gpu_crit {
temperatue = <90000>;
};
&cpu_thermal {
cooling-maps {
map0 {
trip = <&cpu_alert0>;
cooling-device =
<&cpu_b0 THERMAL_NO_LIMIT 3>,
<&cpu_b1 THERMAL_NO_LIMIT 3>;
};
map1 {
trip = <&cpu_alert1>;
cooling-device =
<&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu_l1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu_l2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu_l3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
map2 {
trip = <&cpu_alert1>;
cooling-device =
<&dmc THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
};