commit a4b671b432d7caa4eca7c05008e191b982cb0a1a
author Jeson Gao <jeson.gao@unisoc.com> Mon Nov 29 17:01:50 2021 +0800
committer Treehugger Robot <android-test-infra-autosubmit@system.gserviceaccount.com> Tue May 23 13:56:53 2023 +0000
tree 271b2be1d87e9d0115ac66cc26ecdc1b5985cc7e
parent 549ce7cdbb6f778408205ee777de740fec973d6e

ANDROID: thermal: Add vendor hooks for thermal

Need to get the request frequency and target frequency
use it to do frequency check and modify it according to
the platform thermal requirements.

Bug: 208166320

Signed-off-by: Jeson Gao <jeson.gao@unisoc.com>
Signed-off-by: Di Shen <di.shen@unisoc.com>
Change-Id: I776b43c8f559b8a072abd8d3abcb3528348b2c5d
(cherry picked from commit fc827b344f76709dc7f242c7db32e1828f510fdd)
(cherry picked from commit 11f1be4453c40385c5825e90b2a447c745cff852)

drivers/android/vendor_hooks.c

diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c
index 686e77d..e7a90f7 100644
--- a/drivers/android/vendor_hooks.c
+++ b/drivers/android/vendor_hooks.c
@@ -245,3 +245,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_event);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_group);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_acct_update_power);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exit_signal);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_modify_thermal_request_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_modify_thermal_target_freq);

drivers/thermal/cpufreq_cooling.c

diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index 9f8b438..74938a1 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -24,6 +24,7 @@
 #include <linux/units.h>
 
 #include <trace/events/thermal.h>
+#include <trace/hooks/thermal.h>
 
 /*
  * Cooling state <-> CPUFreq frequency
@@ -226,6 +227,8 @@ static int cpufreq_get_requested_power(struct thermal_cooling_device *cdev,
 
 	freq = cpufreq_quick_get(policy->cpu);
 
+	trace_android_vh_modify_thermal_request_freq(policy, &freq);
+
 	for_each_cpu(cpu, policy->related_cpus) {
 		u32 load;
 
@@ -305,6 +308,8 @@ static int cpufreq_power2state(struct thermal_cooling_device *cdev,
 	normalised_power = (power * 100) / last_load;
 	target_freq = cpu_power_to_freq(cpufreq_cdev, normalised_power);
 
+	trace_android_vh_modify_thermal_target_freq(policy, &target_freq);
+
 	*state = get_level(cpufreq_cdev, target_freq);
 	trace_thermal_power_cpu_limit(policy->related_cpus, target_freq, *state,
 				      power);

include/trace/hooks/thermal.h

diff --git a/include/trace/hooks/thermal.h b/include/trace/hooks/thermal.h
index 6d115a0..8a71ffd 100644
--- a/include/trace/hooks/thermal.h
+++ b/include/trace/hooks/thermal.h
@@ -23,6 +23,15 @@ DECLARE_HOOK(android_vh_disable_thermal_cooling_stats,
 	TP_PROTO(struct thermal_cooling_device *cdev, bool *disable_stats),
 	TP_ARGS(cdev, disable_stats));
 
+struct cpufreq_policy;
+DECLARE_HOOK(android_vh_modify_thermal_request_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned long *request_freq),
+	TP_ARGS(policy, request_freq));
+
+DECLARE_HOOK(android_vh_modify_thermal_target_freq,
+	TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq),
+	TP_ARGS(policy, target_freq));
+
 #endif /* _TRACE_HOOK_THERMAL_H */
 /* This part must be outside protection */
 #include <trace/define_trace.h>