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ANDROID: thermal: Add hook to enable/disable thermal power throttle

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By default, thermal power throttle is always enable, but sometimes it
need to be disabled for a period of time, so add it to meet platform
thermal requirement.

Bug: 209386157

Signed-off-by: Jeson Gao <jeson.gao@unisoc.com>
Change-Id: If9c53a9669eec8e2821d837cfa3c660a9cfbf934
This commit is contained in:
Jeson Gao
2021-12-06 19:06:48 +08:00
committed by Todd Kjos
parent d1b2876104
commit 64999249d5
3 changed files with 13 additions and 3 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -377,3 +377,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sound_usb_support_cpu_suspend);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snd_compr_use_pause_in_drain);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_modify_thermal_request_freq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_modify_thermal_target_freq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_enable_thermal_power_throttle);

11
drivers/thermal/gov_power_allocator.c
View File

@@ -14,6 +14,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/thermal_power_allocator.h>
#undef CREATE_TRACE_POINTS
#include <trace/hooks/thermal.h>
#include "thermal_core.h"
@@ -607,6 +609,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
int ret;
int switch_on_temp, control_temp;
struct power_allocator_params *params = tz->governor_data;
int enable = 1;
/*
* We get called for every trip point but we only need to do
@@ -615,9 +618,11 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
if (trip != params->trip_max_desired_temperature)
return 0;
ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
&switch_on_temp);
if (!ret && (tz->temperature < switch_on_temp)) {
trace_android_vh_enable_thermal_power_throttle(&enable);
if (enable)
ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
&switch_on_temp);
if (!enable || (!ret && (tz->temperature < switch_on_temp))) {
tz->passive = 0;
reset_pid_controller(params);
allow_maximum_power(tz);

4
include/trace/hooks/thermal.h
View File

@@ -27,6 +27,10 @@ DECLARE_HOOK(android_vh_modify_thermal_target_freq,
TP_PROTO(struct cpufreq_policy *policy, unsigned int *target_freq),
TP_ARGS(policy, target_freq));
DECLARE_HOOK(android_vh_enable_thermal_power_throttle,
TP_PROTO(int *enable),
TP_ARGS(enable));
#endif /* _TRACE_HOOK_THERMAL_H */
/* This part must be outside protection */
#include <trace/define_trace.h>