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-rw-r--r--drivers/thermal/gov_bang_bang.c8
-rw-r--r--drivers/thermal/int340x_thermal/processor_thermal_device.c108
-rw-r--r--drivers/thermal/intel_powerclamp.c47
-rw-r--r--drivers/thermal/x86_pkg_temp_thermal.c2
4 files changed, 94 insertions, 71 deletions
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index 70836c5b89bc..fc52016d4e85 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -29,7 +29,13 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
struct thermal_instance *instance;
tz->ops->get_trip_temp(tz, trip, &trip_temp);
- tz->ops->get_trip_hyst(tz, trip, &trip_hyst);
+
+ if (!tz->ops->get_trip_hyst) {
+ pr_warn_once("Undefined get_trip_hyst for thermal zone %s - "
+ "running with default hysteresis zero\n", tz->type);
+ trip_hyst = 0;
+ } else
+ tz->ops->get_trip_hyst(tz, trip, &trip_hyst);
dev_dbg(&tz->device, "Trip%d[temp=%d]:temp=%d:hyst=%d\n",
trip, trip_temp, tz->temperature,
diff --git a/drivers/thermal/int340x_thermal/processor_thermal_device.c b/drivers/thermal/int340x_thermal/processor_thermal_device.c
index 36fa724a36c8..42c1ac057bad 100644
--- a/drivers/thermal/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/int340x_thermal/processor_thermal_device.c
@@ -198,49 +198,33 @@ static struct thermal_zone_device_ops proc_thermal_local_ops = {
.get_temp = proc_thermal_get_zone_temp,
};
-static int proc_thermal_add(struct device *dev,
- struct proc_thermal_device **priv)
+static int proc_thermal_read_ppcc(struct proc_thermal_device *proc_priv)
{
- struct proc_thermal_device *proc_priv;
- struct acpi_device *adev;
+ int i;
acpi_status status;
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *elements, *ppcc;
union acpi_object *p;
- unsigned long long tmp;
- struct thermal_zone_device_ops *ops = NULL;
- int i;
- int ret;
-
- adev = ACPI_COMPANION(dev);
- if (!adev)
- return -ENODEV;
+ int ret = 0;
- status = acpi_evaluate_object(adev->handle, "PPCC", NULL, &buf);
+ status = acpi_evaluate_object(proc_priv->adev->handle, "PPCC",
+ NULL, &buf);
if (ACPI_FAILURE(status))
return -ENODEV;
p = buf.pointer;
if (!p || (p->type != ACPI_TYPE_PACKAGE)) {
- dev_err(dev, "Invalid PPCC data\n");
+ dev_err(proc_priv->dev, "Invalid PPCC data\n");
ret = -EFAULT;
goto free_buffer;
}
+
if (!p->package.count) {
- dev_err(dev, "Invalid PPCC package size\n");
+ dev_err(proc_priv->dev, "Invalid PPCC package size\n");
ret = -EFAULT;
goto free_buffer;
}
- proc_priv = devm_kzalloc(dev, sizeof(*proc_priv), GFP_KERNEL);
- if (!proc_priv) {
- ret = -ENOMEM;
- goto free_buffer;
- }
-
- proc_priv->dev = dev;
- proc_priv->adev = adev;
-
for (i = 0; i < min((int)p->package.count - 1, 2); ++i) {
elements = &(p->package.elements[i+1]);
if (elements->type != ACPI_TYPE_PACKAGE ||
@@ -257,12 +241,62 @@ static int proc_thermal_add(struct device *dev,
proc_priv->power_limits[i].step_uw = ppcc[5].integer.value;
}
+free_buffer:
+ kfree(buf.pointer);
+
+ return ret;
+}
+
+#define PROC_POWER_CAPABILITY_CHANGED 0x83
+static void proc_thermal_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct proc_thermal_device *proc_priv = data;
+
+ if (!proc_priv)
+ return;
+
+ switch (event) {
+ case PROC_POWER_CAPABILITY_CHANGED:
+ proc_thermal_read_ppcc(proc_priv);
+ int340x_thermal_zone_device_update(proc_priv->int340x_zone);
+ break;
+ default:
+ dev_err(proc_priv->dev, "Unsupported event [0x%x]\n", event);
+ break;
+ }
+}
+
+
+static int proc_thermal_add(struct device *dev,
+ struct proc_thermal_device **priv)
+{
+ struct proc_thermal_device *proc_priv;
+ struct acpi_device *adev;
+ acpi_status status;
+ unsigned long long tmp;
+ struct thermal_zone_device_ops *ops = NULL;
+ int ret;
+
+ adev = ACPI_COMPANION(dev);
+ if (!adev)
+ return -ENODEV;
+
+ proc_priv = devm_kzalloc(dev, sizeof(*proc_priv), GFP_KERNEL);
+ if (!proc_priv)
+ return -ENOMEM;
+
+ proc_priv->dev = dev;
+ proc_priv->adev = adev;
*priv = proc_priv;
- ret = sysfs_create_group(&dev->kobj,
- &power_limit_attribute_group);
+ ret = proc_thermal_read_ppcc(proc_priv);
+ if (!ret) {
+ ret = sysfs_create_group(&dev->kobj,
+ &power_limit_attribute_group);
+
+ }
if (ret)
- goto free_buffer;
+ return ret;
status = acpi_evaluate_integer(adev->handle, "_TMP", NULL, &tmp);
if (ACPI_FAILURE(status)) {
@@ -274,20 +308,32 @@ static int proc_thermal_add(struct device *dev,
proc_priv->int340x_zone = int340x_thermal_zone_add(adev, ops);
if (IS_ERR(proc_priv->int340x_zone)) {
- sysfs_remove_group(&proc_priv->dev->kobj,
- &power_limit_attribute_group);
ret = PTR_ERR(proc_priv->int340x_zone);
+ goto remove_group;
} else
ret = 0;
-free_buffer:
- kfree(buf.pointer);
+ ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
+ proc_thermal_notify,
+ (void *)proc_priv);
+ if (ret)
+ goto remove_zone;
+
+ return 0;
+
+remove_zone:
+ int340x_thermal_zone_remove(proc_priv->int340x_zone);
+remove_group:
+ sysfs_remove_group(&proc_priv->dev->kobj,
+ &power_limit_attribute_group);
return ret;
}
static void proc_thermal_remove(struct proc_thermal_device *proc_priv)
{
+ acpi_remove_notify_handler(proc_priv->adev->handle,
+ ACPI_DEVICE_NOTIFY, proc_thermal_notify);
int340x_thermal_zone_remove(proc_priv->int340x_zone);
sysfs_remove_group(&proc_priv->dev->kobj,
&power_limit_attribute_group);
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index 6c79588251d5..015ce2eb6eb7 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -510,12 +510,6 @@ static int start_power_clamp(void)
unsigned long cpu;
struct task_struct *thread;
- /* check if pkg cstate counter is completely 0, abort in this case */
- if (!has_pkg_state_counter()) {
- pr_err("pkg cstate counter not functional, abort\n");
- return -EINVAL;
- }
-
set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO - 1);
/* prevent cpu hotplug */
get_online_cpus();
@@ -672,35 +666,11 @@ static struct thermal_cooling_device_ops powerclamp_cooling_ops = {
.set_cur_state = powerclamp_set_cur_state,
};
-/* runs on Nehalem and later */
static const struct x86_cpu_id intel_powerclamp_ids[] __initconst = {
- { X86_VENDOR_INTEL, 6, 0x1a},
- { X86_VENDOR_INTEL, 6, 0x1c},
- { X86_VENDOR_INTEL, 6, 0x1e},
- { X86_VENDOR_INTEL, 6, 0x1f},
- { X86_VENDOR_INTEL, 6, 0x25},
- { X86_VENDOR_INTEL, 6, 0x26},
- { X86_VENDOR_INTEL, 6, 0x2a},
- { X86_VENDOR_INTEL, 6, 0x2c},
- { X86_VENDOR_INTEL, 6, 0x2d},
- { X86_VENDOR_INTEL, 6, 0x2e},
- { X86_VENDOR_INTEL, 6, 0x2f},
- { X86_VENDOR_INTEL, 6, 0x37},
- { X86_VENDOR_INTEL, 6, 0x3a},
- { X86_VENDOR_INTEL, 6, 0x3c},
- { X86_VENDOR_INTEL, 6, 0x3d},
- { X86_VENDOR_INTEL, 6, 0x3e},
- { X86_VENDOR_INTEL, 6, 0x3f},
- { X86_VENDOR_INTEL, 6, 0x45},
- { X86_VENDOR_INTEL, 6, 0x46},
- { X86_VENDOR_INTEL, 6, 0x47},
- { X86_VENDOR_INTEL, 6, 0x4c},
- { X86_VENDOR_INTEL, 6, 0x4d},
- { X86_VENDOR_INTEL, 6, 0x4e},
- { X86_VENDOR_INTEL, 6, 0x4f},
- { X86_VENDOR_INTEL, 6, 0x56},
- { X86_VENDOR_INTEL, 6, 0x57},
- { X86_VENDOR_INTEL, 6, 0x5e},
+ { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_MWAIT },
+ { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_ARAT },
+ { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_NONSTOP_TSC },
+ { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_CONSTANT_TSC},
{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_powerclamp_ids);
@@ -712,11 +682,12 @@ static int __init powerclamp_probe(void)
boot_cpu_data.x86, boot_cpu_data.x86_model);
return -ENODEV;
}
- if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC) ||
- !boot_cpu_has(X86_FEATURE_CONSTANT_TSC) ||
- !boot_cpu_has(X86_FEATURE_MWAIT) ||
- !boot_cpu_has(X86_FEATURE_ARAT))
+
+ /* The goal for idle time alignment is to achieve package cstate. */
+ if (!has_pkg_state_counter()) {
+ pr_info("No package C-state available");
return -ENODEV;
+ }
/* find the deepest mwait value */
find_target_mwait();
diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c
index 7fc919f7da4d..97f0a2bd93ed 100644
--- a/drivers/thermal/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/x86_pkg_temp_thermal.c
@@ -555,7 +555,7 @@ static int pkg_temp_thermal_cpu_callback(struct notifier_block *nfb,
{
unsigned int cpu = (unsigned long) hcpu;
- switch (action) {
+ switch (action & ~CPU_TASKS_FROZEN) {
case CPU_ONLINE:
case CPU_DOWN_FAILED:
get_core_online(cpu);
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-12 05:21:28 +0300