aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/thermal/intel
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-05-23 20:31:57 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-05-23 20:31:57 +0200
commit388292df27810a01c3f459533578255bbba4a4de (patch)
tree091d8dd55b7d4556306603bdad0e20d31a13719f /drivers/thermal/intel
parentthermal: intel: hfi: remove NULL check after container_of() call (diff)
parentMerge tag 'thermal-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux (diff)
downloadlinux-dev-388292df27810a01c3f459533578255bbba4a4de.tar.xz
linux-dev-388292df27810a01c3f459533578255bbba4a4de.zip
Merge back earlier thermal control updates for 5.19-rc1.
Diffstat (limited to 'drivers/thermal/intel')
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3400_thermal.c48
1 files changed, 32 insertions, 16 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index d97f496bab9b..79931ddc582a 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -194,12 +194,31 @@ static int int3400_thermal_run_osc(acpi_handle handle, char *uuid_str, int *enab
return result;
}
+static int set_os_uuid_mask(struct int3400_thermal_priv *priv, u32 mask)
+{
+ int cap = 0;
+
+ /*
+ * Capability bits:
+ * Bit 0: set to 1 to indicate DPTF is active
+ * Bi1 1: set to 1 to active cooling is supported by user space daemon
+ * Bit 2: set to 1 to passive cooling is supported by user space daemon
+ * Bit 3: set to 1 to critical trip is handled by user space daemon
+ */
+ if (mask)
+ cap = (priv->os_uuid_mask << 1) | 0x01;
+
+ return int3400_thermal_run_osc(priv->adev->handle,
+ "b23ba85d-c8b7-3542-88de-8de2ffcfd698",
+ &cap);
+}
+
static ssize_t current_uuid_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct int3400_thermal_priv *priv = dev_get_drvdata(dev);
- int i;
+ int ret, i;
for (i = 0; i < INT3400_THERMAL_MAXIMUM_UUID; ++i) {
if (!strncmp(buf, int3400_thermal_uuids[i],
@@ -231,19 +250,7 @@ static ssize_t current_uuid_store(struct device *dev,
}
if (priv->os_uuid_mask) {
- int cap, ret;
-
- /*
- * Capability bits:
- * Bit 0: set to 1 to indicate DPTF is active
- * Bi1 1: set to 1 to active cooling is supported by user space daemon
- * Bit 2: set to 1 to passive cooling is supported by user space daemon
- * Bit 3: set to 1 to critical trip is handled by user space daemon
- */
- cap = ((priv->os_uuid_mask << 1) | 0x01);
- ret = int3400_thermal_run_osc(priv->adev->handle,
- "b23ba85d-c8b7-3542-88de-8de2ffcfd698",
- &cap);
+ ret = set_os_uuid_mask(priv, priv->os_uuid_mask);
if (ret)
return ret;
}
@@ -469,17 +476,26 @@ static int int3400_thermal_change_mode(struct thermal_zone_device *thermal,
if (mode != thermal->mode) {
int enabled;
+ enabled = mode == THERMAL_DEVICE_ENABLED;
+
+ if (priv->os_uuid_mask) {
+ if (!enabled) {
+ priv->os_uuid_mask = 0;
+ result = set_os_uuid_mask(priv, priv->os_uuid_mask);
+ }
+ goto eval_odvp;
+ }
+
if (priv->current_uuid_index < 0 ||
priv->current_uuid_index >= INT3400_THERMAL_MAXIMUM_UUID)
return -EINVAL;
- enabled = (mode == THERMAL_DEVICE_ENABLED);
result = int3400_thermal_run_osc(priv->adev->handle,
int3400_thermal_uuids[priv->current_uuid_index],
&enabled);
}
-
+eval_odvp:
evaluate_odvp(priv);
return result;