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kernel/0191-feat-support-IPA-thermal-control.patch

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Update to 6.6.67
2024-12-19 21:34:44 +00:00
From 86d1b4f34344dafecea8286b87c0f1fe24c2f406 Mon Sep 17 00:00:00 2001
Add EIC7700 6.6.66
2024-12-15 18:29:23 +00:00
From: yangwei1 <yangwei1@eswincomputing.com>
Date: Wed, 16 Oct 2024 16:46:21 +0800
Subject: [PATCH 191/219] feat:support IPA thermal control
Changelogs:
1. add IPA thermal control framework
2. workaround cpu DVFS problem when EM enabled
Signed-off-by: yangwei1 <yangwei1@eswincomputing.com>
---
.../boot/dts/eswin/eswin-win2030-arch.dtsi | 8 +++
.../dts/eswin/eswin-win2030-die0-soc.dtsi | 57 +++++++++++++++++++
.../dts/eswin/eswin-win2030-die1-soc.dtsi | 57 +++++++++++++++++++
arch/riscv/configs/eic7700_defconfig | 11 ++++
kernel/power/energy_model.c | 3 +-
5 files changed, 135 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi
index 3f2582159f83..bde485b4abfa 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi
@@ -84,6 +84,8 @@ L17: cpu@0 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_0>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <324>;
cpu-idle-states = <&CPU_RET>;
L14: interrupt-controller {
#interrupt-cells = <1>;
@@ -127,6 +129,8 @@ L22: cpu@1 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_1>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <324>;
cpu-idle-states = <&CPU_RET>;
L19: interrupt-controller {
#interrupt-cells = <1>;
@@ -170,6 +174,8 @@ L27: cpu@2 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_2>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <324>;
cpu-idle-states = <&CPU_RET>;
L24: interrupt-controller {
#interrupt-cells = <1>;
@@ -213,6 +219,8 @@ L32: cpu@3 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_3>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <324>;
cpu-idle-states = <&CPU_RET>;
L29: interrupt-controller {
#interrupt-cells = <1>;
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi
index 50a9383989b4..14d5b4b0df6a 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi
@@ -31,6 +31,7 @@
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/interconnect/eswin,win2030.h>
#include <dt-bindings/power/eswin,eic770x-pmu.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
compatible = "sifive,hifive-unmatched-a00", "sifive,fu740-c000","sifive,fu740";
@@ -104,6 +105,55 @@ opp-1400000000 {
clock-latency-ns = <70000>;
};
};
+
+ thermal-zones {
+ thermal0 {
+ polling-delay-passive = <500>; /*ms*/
+ polling-delay = <5000>; /*ms*/
+ sustainable-power = <1200>; /*mW*/
+ thermal-sensors = <&pvt0>;
+
+ trips {
+ threshold: trip-point0 {
+ temperature = <60000>; /* DC*1000 */
+ hysteresis = <1000>; /* DC*1000 */
+ type = "passive";
+ };
+ target: trip-point1 {
+ temperature = <70000>;
+ hysteresis = <1000>;
+ type = "passive";
+ };
+ crit: trip-point2 {
+ temperature = <110000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&target>;
+ contribution = <1024>;
+ cooling-device =
+ <&L17 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&L22 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&L27 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&L32 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ map1 {
+ trip = <&target>;
+ contribution = <1024>; /*TBD*/
+ cooling-device = <&d0_npu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ map2 {
+ trip = <&target>;
+ contribution = <1024>; /*TBD*/
+ cooling-device = <&gpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
};
&SOC {
@@ -510,6 +560,9 @@ d0_npu: eswin-npu@51c00000 {
numa-node-id = <0>;
dma-noncoherent;
+
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <0>; /*TBD*/
};
dev_llc_d0: llc@51c00000 {
@@ -720,6 +773,9 @@ gpu0: gpu@51400000 {
interrupt-parent = <&plic0>;
interrupts = <15>;
dma-noncoherent;
+
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <0>; /*TBD*/
};
d0_sata: sata@0x50420000{
@@ -1245,6 +1301,7 @@ pvt0: pvt@0x50b00000 {
reg = <0x0 0x50b00000 0x0 0x10000>;
interrupts = <349>;
interrupt-parent = <&plic0>;
+ #thermal-sensor-cells = <0>;
status = "disabled";
label = "pvt0";
};
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi
index 01a325bd598f..8351a81c605a 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi
@@ -29,6 +29,7 @@
#include <dt-bindings/clock/win2030-clock.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/interconnect/eswin,win2030.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
#if (CHIPLET_AND_DIE == 0x1)
@@ -108,6 +109,55 @@ opp-1400000000 {
clock-latency-ns = <70000>;
};
};
+
+ thermal-zones {
+ d1_thermal0 {
+ polling-delay-passive = <500>; /*ms*/
+ polling-delay = <5000>; /*ms*/
+ sustainable-power = <1200>; /*mW*/
+ thermal-sensors = <&d1_pvt0>;
+
+ trips {
+ d1_threshold: trip-point0 {
+ temperature = <60000>; /* DC*1000 */
+ hysteresis = <1000>; /* DC*1000 */
+ type = "passive";
+ };
+ d1_target: trip-point1 {
+ temperature = <70000>;
+ hysteresis = <1000>;
+ type = "passive";
+ };
+ d1_crit: trip-point2 {
+ temperature = <110000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&d1_target>;
+ contribution = <1024>;
+ cooling-device =
+ <&cpu_4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ map1 {
+ trip = <&d1_target>;
+ contribution = <1024>; /*TBD*/
+ cooling-device = <&d1_npu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ map2 {
+ trip = <&d1_target>;
+ contribution = <1024>; /*TBD*/
+ cooling-device = <&d1_gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
};
&SOC {
@@ -654,6 +704,7 @@ d1_pvt0: pvt@0x70b00000 {
reg = <0x0 0x70b00000 0x0 0x10000>;
interrupts = <349>;
interrupt-parent = <&plic1>;
+ #thermal-sensor-cells = <0>;
status = "disabled";
label = "d1_pvt0";
};
@@ -912,6 +963,9 @@ d1_npu: eswin-npu@71c00000 {
numa-node-id = <1>;
dma-noncoherent;
+
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <0>; /*TBD*/
};
dev_llc_d1: llc@71c00000 {
@@ -956,6 +1010,9 @@ d1_gpu: gpu@71400000 {
interrupt-parent = <&plic1>;
interrupts = <15>;
dma-noncoherent;
+
+ #cooling-cells = <2>;
+ dynamic-power-coefficient = <0>; /*TBD*/
};
d1_sata: sata@0x70420000 {
diff --git a/arch/riscv/configs/eic7700_defconfig b/arch/riscv/configs/eic7700_defconfig
index 71765f0bea49..dcb4a252da20 100644
--- a/arch/riscv/configs/eic7700_defconfig
+++ b/arch/riscv/configs/eic7700_defconfig
@@ -38,6 +38,7 @@ CONFIG_RISCV_SBI_V01=y
CONFIG_CMDLINE="earlycon=sbi console=ttyS0,115200n8 clk_ignore_unused cma_pernuma=0x2000000 disable_bypass=false firmware_class.path=/lib/firmware/eic7x/"
CONFIG_CMDLINE_EXTEND=y
# CONFIG_SUSPEND is not set
+CONFIG_ENERGY_MODEL=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
@@ -462,6 +463,14 @@ CONFIG_SENSORS_ESWIN_FAN_CONTROL=y
CONFIG_SENSORS_ESWIN_PVT=y
CONFIG_SENSORS_INA2XX=y
CONFIG_SENSORS_PAC1934=y
+CONFIG_THERMAL=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR=y
+CONFIG_THERMAL_GOV_STEP_WISE=y
+CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
+CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
+CONFIG_THERMAL_EMULATION=y
CONFIG_WATCHDOG=y
CONFIG_DW_WATCHDOG=y
CONFIG_REGULATOR=y
@@ -741,6 +750,8 @@ CONFIG_RPMSG_VIRTIO=y
CONFIG_ARCH_ESWIN_EIC770X_SOC_FAMILY=y
CONFIG_ESWIN_DSP=m
CONFIG_ESWIN_NPU=m
+CONFIG_PM_DEVFREQ=y
+CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
CONFIG_EXTCON=y
CONFIG_MEMORY=y
CONFIG_ESWIN_BUDDY=y
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 7b44f5b89fa1..cbc638479e46 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -173,7 +173,8 @@ static int em_create_perf_table(struct device *dev, struct em_perf_domain *pd,
table[i].cost = cost;
- if (table[i].cost >= prev_cost) {
+ //workaround for IPA thermal: modify >= to >
+ if (table[i].cost > prev_cost) {
table[i].flags = EM_PERF_STATE_INEFFICIENT;
dev_dbg(dev, "EM: OPP:%lu is inefficient\n",
table[i].frequency);
--
2.47.0
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