summaryrefslogtreecommitdiff
path: root/drivers/thermal
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/gov_bang_bang.c57
-rw-r--r--drivers/thermal/gov_user_space.c12
-rw-r--r--drivers/thermal/intel/Kconfig4
-rw-r--r--drivers/thermal/intel/int340x_thermal/Kconfig4
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3400_thermal.c2
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3403_thermal.c1
-rw-r--r--drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c1
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.h1
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c4
-rw-r--r--drivers/thermal/thermal_core.c10
-rw-r--r--drivers/thermal/thermal_core.h2
-rw-r--r--drivers/thermal/thermal_of.c1
-rw-r--r--drivers/thermal/thermal_thresholds.c68
13 files changed, 87 insertions, 80 deletions
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index 97f3d819852b..51951967d67f 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -7,6 +7,27 @@
* Based on step_wise.c with following Copyrights:
* Copyright (C) 2012 Intel Corp
* Copyright (C) 2012 Durgadoss R <durgadoss.r@intel.com>
+ *
+ * Regulation Logic: a two point regulation, deliver cooling state depending
+ * on the previous state shown in this diagram:
+ *
+ * Fan: OFF ON
+ *
+ * |
+ * |
+ * trip_temp: +---->+
+ * | | ^
+ * | | |
+ * | | Temperature
+ * (trip_temp - hyst): +<----+
+ * |
+ * |
+ * |
+ *
+ * * If the fan is not running and temperature exceeds trip_temp, the fan
+ * gets turned on.
+ * * In case the fan is running, temperature must fall below
+ * (trip_temp - hyst) so that the fan gets turned off again.
*/
#include <linux/thermal.h>
@@ -34,36 +55,14 @@ static void bang_bang_set_instance_target(struct thermal_instance *instance,
}
/**
- * bang_bang_control - controls devices associated with the given zone
+ * bang_bang_trip_crossed - controls devices associated with the given zone
* @tz: thermal_zone_device
* @trip: the trip point
- * @crossed_up: whether or not the trip has been crossed on the way up
- *
- * Regulation Logic: a two point regulation, deliver cooling state depending
- * on the previous state shown in this diagram:
- *
- * Fan: OFF ON
- *
- * |
- * |
- * trip_temp: +---->+
- * | | ^
- * | | |
- * | | Temperature
- * (trip_temp - hyst): +<----+
- * |
- * |
- * |
- *
- * * If the fan is not running and temperature exceeds trip_temp, the fan
- * gets turned on.
- * * In case the fan is running, temperature must fall below
- * (trip_temp - hyst) so that the fan gets turned off again.
- *
+ * @upward: whether or not the trip has been crossed on the way up
*/
-static void bang_bang_control(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
- bool crossed_up)
+static void bang_bang_trip_crossed(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip,
+ bool upward)
{
const struct thermal_trip_desc *td = trip_to_trip_desc(trip);
struct thermal_instance *instance;
@@ -75,7 +74,7 @@ static void bang_bang_control(struct thermal_zone_device *tz,
tz->temperature, trip->hysteresis);
list_for_each_entry(instance, &td->thermal_instances, trip_node)
- bang_bang_set_instance_target(instance, crossed_up);
+ bang_bang_set_instance_target(instance, upward);
}
static void bang_bang_manage(struct thermal_zone_device *tz)
@@ -123,7 +122,7 @@ static void bang_bang_update_tz(struct thermal_zone_device *tz,
static struct thermal_governor thermal_gov_bang_bang = {
.name = "bang_bang",
- .trip_crossed = bang_bang_control,
+ .trip_crossed = bang_bang_trip_crossed,
.manage = bang_bang_manage,
.update_tz = bang_bang_update_tz,
};
diff --git a/drivers/thermal/gov_user_space.c b/drivers/thermal/gov_user_space.c
index 75137b419eb2..ef95cf7d65ef 100644
--- a/drivers/thermal/gov_user_space.c
+++ b/drivers/thermal/gov_user_space.c
@@ -23,16 +23,16 @@ static int user_space_bind(struct thermal_zone_device *tz)
}
/**
- * notify_user_space - Notifies user space about thermal events
+ * user_space_trip_crossed - Notify user space about trip crossing events
* @tz: thermal_zone_device
* @trip: trip point
- * @crossed_up: whether or not the trip has been crossed on the way up
+ * @upward: whether or not the trip has been crossed on the way up
*
* This function notifies the user space through UEvents.
*/
-static void notify_user_space(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
- bool crossed_up)
+static void user_space_trip_crossed(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip,
+ bool upward)
{
char *thermal_prop[5];
int i;
@@ -52,7 +52,7 @@ static void notify_user_space(struct thermal_zone_device *tz,
static struct thermal_governor thermal_gov_user_space = {
.name = "user_space",
- .trip_crossed = notify_user_space,
+ .trip_crossed = user_space_trip_crossed,
.bind_to_tz = user_space_bind,
};
THERMAL_GOVERNOR_DECLARE(thermal_gov_user_space);
diff --git a/drivers/thermal/intel/Kconfig b/drivers/thermal/intel/Kconfig
index a31f2f32996a..e0268fac7093 100644
--- a/drivers/thermal/intel/Kconfig
+++ b/drivers/thermal/intel/Kconfig
@@ -21,8 +21,8 @@ config INTEL_TCC
config X86_PKG_TEMP_THERMAL
tristate "X86 package temperature thermal driver"
- depends on X86_THERMAL_VECTOR
- select THERMAL_GOV_USER_SPACE
+ depends on X86_THERMAL_VECTOR && NET
+ select THERMAL_NETLINK
select INTEL_TCC
default m
help
diff --git a/drivers/thermal/intel/int340x_thermal/Kconfig b/drivers/thermal/intel/int340x_thermal/Kconfig
index e76b13e44d03..4c699f0896b5 100644
--- a/drivers/thermal/intel/int340x_thermal/Kconfig
+++ b/drivers/thermal/intel/int340x_thermal/Kconfig
@@ -5,8 +5,8 @@
config INT340X_THERMAL
tristate "ACPI INT340X thermal drivers"
- depends on X86_64 && ACPI && PCI
- select THERMAL_GOV_USER_SPACE
+ depends on X86_64 && ACPI && PCI && NET
+ select THERMAL_NETLINK
select ACPI_THERMAL_REL
select ACPI_FAN
select ACPI_THERMAL_LIB
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 8660ef2175be..0e07693ecf59 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -521,7 +521,6 @@ static struct thermal_zone_device_ops int3400_thermal_ops = {
};
static struct thermal_zone_params int3400_thermal_params = {
- .governor_name = "user_space",
.no_hwmon = true,
};
@@ -690,6 +689,7 @@ static const struct acpi_device_id int3400_thermal_match[] = {
{"INTC1042", 0},
{"INTC1068", 0},
{"INTC10A0", 0},
+ {"INTC10D4", 0},
{}
};
diff --git a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
index 04aa0afb3b1d..5a925a8df7b3 100644
--- a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
@@ -275,6 +275,7 @@ static const struct acpi_device_id int3403_device_ids[] = {
{"INTC1062", 0},
{"INTC1069", 0},
{"INTC10A1", 0},
+ {"INTC10D5", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, int3403_device_ids);
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
index 31ed338eb83c..8dca6a6aceca 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
@@ -105,7 +105,6 @@ static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
}
static struct thermal_zone_params int340x_thermal_params = {
- .governor_name = "user_space",
.no_hwmon = true,
};
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
index d5eca6db2c00..ba2d89d3024c 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
@@ -30,6 +30,7 @@
#define PCI_DEVICE_ID_INTEL_RPL_THERMAL 0xA71D
#define PCI_DEVICE_ID_INTEL_SKL_THERMAL 0x1903
#define PCI_DEVICE_ID_INTEL_TGL_THERMAL 0x9A03
+#define PCI_DEVICE_ID_INTEL_PTL_THERMAL 0xB01D
struct power_config {
u32 index;
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
index 145d471546d5..a55aaa8cef42 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
@@ -272,7 +272,6 @@ static const struct thermal_zone_device_ops tzone_ops = {
};
static struct thermal_zone_params tzone_params = {
- .governor_name = "user_space",
.no_hwmon = true,
};
@@ -495,6 +494,9 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_WT_HINT) },
{ PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
+ { PCI_DEVICE_DATA(INTEL, PTL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+ PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_MSI_SUPPORT |
+ PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) },
{ },
};
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 19a3894ad752..2328ac0d8561 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -453,23 +453,23 @@ static void move_to_trips_invalid(struct thermal_zone_device *tz,
static void thermal_governor_trip_crossed(struct thermal_governor *governor,
struct thermal_zone_device *tz,
const struct thermal_trip *trip,
- bool crossed_up)
+ bool upward)
{
if (trip->type == THERMAL_TRIP_HOT || trip->type == THERMAL_TRIP_CRITICAL)
return;
if (governor->trip_crossed)
- governor->trip_crossed(tz, trip, crossed_up);
+ governor->trip_crossed(tz, trip, upward);
}
static void thermal_trip_crossed(struct thermal_zone_device *tz,
struct thermal_trip_desc *td,
struct thermal_governor *governor,
- bool crossed_up)
+ bool upward)
{
const struct thermal_trip *trip = &td->trip;
- if (crossed_up) {
+ if (upward) {
if (trip->type == THERMAL_TRIP_PASSIVE)
tz->passive++;
else if (trip->type == THERMAL_TRIP_CRITICAL ||
@@ -486,7 +486,7 @@ static void thermal_trip_crossed(struct thermal_zone_device *tz,
thermal_notify_tz_trip_down(tz, trip);
thermal_debug_tz_trip_down(tz, trip);
}
- thermal_governor_trip_crossed(governor, tz, trip, crossed_up);
+ thermal_governor_trip_crossed(governor, tz, trip, upward);
}
void thermal_zone_set_trip_hyst(struct thermal_zone_device *tz,
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index be271e7c8f41..09866f0ce765 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -56,7 +56,7 @@ struct thermal_governor {
void (*unbind_from_tz)(struct thermal_zone_device *tz);
void (*trip_crossed)(struct thermal_zone_device *tz,
const struct thermal_trip *trip,
- bool crossed_up);
+ bool upward);
void (*manage)(struct thermal_zone_device *tz);
void (*update_tz)(struct thermal_zone_device *tz,
enum thermal_notify_event reason);
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index fab11b98ca49..5ab4ce4daaeb 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -160,6 +160,7 @@ static struct device_node *of_thermal_zone_find(struct device_node *sensor, int
return ERR_PTR(ret);
}
+ of_node_put(sensor_specs.np);
if ((sensor == sensor_specs.np) && id == (sensor_specs.args_count ?
sensor_specs.args[0] : 0)) {
pr_debug("sensor %pOFn id=%d belongs to %pOFn\n", sensor, id, child);
diff --git a/drivers/thermal/thermal_thresholds.c b/drivers/thermal/thermal_thresholds.c
index d9b2a0bb44fc..38f5fd0e8930 100644
--- a/drivers/thermal/thermal_thresholds.c
+++ b/drivers/thermal/thermal_thresholds.c
@@ -69,58 +69,60 @@ static struct user_threshold *__thermal_thresholds_find(const struct list_head *
return NULL;
}
-static bool __thermal_threshold_is_crossed(struct user_threshold *threshold, int temperature,
- int last_temperature, int direction,
- int *low, int *high)
+static bool thermal_thresholds_handle_raising(struct list_head *thresholds, int temperature,
+ int last_temperature)
{
+ struct user_threshold *t;
- if (temperature >= threshold->temperature) {
- if (threshold->temperature > *low &&
- THERMAL_THRESHOLD_WAY_DOWN & threshold->direction)
- *low = threshold->temperature;
+ list_for_each_entry(t, thresholds, list_node) {
- if (last_temperature < threshold->temperature &&
- threshold->direction & direction)
- return true;
- } else {
- if (threshold->temperature < *high && THERMAL_THRESHOLD_WAY_UP
- & threshold->direction)
- *high = threshold->temperature;
+ if (!(t->direction & THERMAL_THRESHOLD_WAY_UP))
+ continue;
- if (last_temperature >= threshold->temperature &&
- threshold->direction & direction)
+ if (temperature >= t->temperature &&
+ last_temperature < t->temperature)
return true;
}
return false;
}
-static bool thermal_thresholds_handle_raising(struct list_head *thresholds, int temperature,
- int last_temperature, int *low, int *high)
+static bool thermal_thresholds_handle_dropping(struct list_head *thresholds, int temperature,
+ int last_temperature)
{
struct user_threshold *t;
- list_for_each_entry(t, thresholds, list_node) {
- if (__thermal_threshold_is_crossed(t, temperature, last_temperature,
- THERMAL_THRESHOLD_WAY_UP, low, high))
+ list_for_each_entry_reverse(t, thresholds, list_node) {
+
+ if (!(t->direction & THERMAL_THRESHOLD_WAY_DOWN))
+ continue;
+
+ if (temperature <= t->temperature &&
+ last_temperature > t->temperature)
return true;
}
return false;
}
-static bool thermal_thresholds_handle_dropping(struct list_head *thresholds, int temperature,
- int last_temperature, int *low, int *high)
+static void thermal_threshold_find_boundaries(struct list_head *thresholds, int temperature,
+ int *low, int *high)
{
struct user_threshold *t;
- list_for_each_entry_reverse(t, thresholds, list_node) {
- if (__thermal_threshold_is_crossed(t, temperature, last_temperature,
- THERMAL_THRESHOLD_WAY_DOWN, low, high))
- return true;
+ list_for_each_entry(t, thresholds, list_node) {
+ if (temperature < t->temperature &&
+ (t->direction & THERMAL_THRESHOLD_WAY_UP) &&
+ *high > t->temperature)
+ *high = t->temperature;
}
- return false;
+ list_for_each_entry_reverse(t, thresholds, list_node) {
+ if (temperature > t->temperature &&
+ (t->direction & THERMAL_THRESHOLD_WAY_DOWN) &&
+ *low < t->temperature)
+ *low = t->temperature;
+ }
}
void thermal_thresholds_handle(struct thermal_zone_device *tz, int *low, int *high)
@@ -132,6 +134,8 @@ void thermal_thresholds_handle(struct thermal_zone_device *tz, int *low, int *hi
lockdep_assert_held(&tz->lock);
+ thermal_threshold_find_boundaries(thresholds, temperature, low, high);
+
/*
* We need a second update in order to detect a threshold being crossed
*/
@@ -151,12 +155,12 @@ void thermal_thresholds_handle(struct thermal_zone_device *tz, int *low, int *hi
* - decreased : thresholds are crossed the way down
*/
if (temperature > last_temperature) {
- if (thermal_thresholds_handle_raising(thresholds, temperature,
- last_temperature, low, high))
+ if (thermal_thresholds_handle_raising(thresholds,
+ temperature, last_temperature))
thermal_notify_threshold_up(tz);
} else {
- if (thermal_thresholds_handle_dropping(thresholds, temperature,
- last_temperature, low, high))
+ if (thermal_thresholds_handle_dropping(thresholds,
+ temperature, last_temperature))
thermal_notify_threshold_down(tz);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.0) at 2025-09-26 14:09:24 +0000