kernel/linux.git/drivers/thermal/intel, branch v6.18.40

thermal: intel: Fix dangling resources on thermal_throttle_online() failure

2026-07-24T14:16:31+00:00

[ Upstream commit b91d287fa7a1ba0727eed5823c6ee4924ee5fa31 ] The function thermal_throttle_add_dev() may fail and abort a CPU hotplug online operation. Since the failure occurs within the online callback, thermal_throttle_online(), the CPU hotplug framework does not invoke the corresponding offline callback. As a result, the hardware and software resources set up during the failed operation are not torn down. Since only thermal_throttle_add_dev() can fail, call it before setting up the rest of the resources. Fixes: f6656208f04e ("x86/mce/therm_throt: Optimize notifications of thermal throttle") Signed-off-by: Ricardo Neri Link: https://patch.msgid.link/20260613-rneri-directed-therm-intr-v3-1-3a26d1e47fc8@linux.intel.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin

thermal: intel: int340x: soc_slider: Set offset only for balanced mode

2026-04-02T11:23:18+00:00

commit 7dfe9846016b15816e287a4650be1ff1b48c5ab4 upstream. The slider offset can be set via debugfs for balanced mode. The offset should be only applicable in balanced mode. For other modes, it should be 0 when writing to MMIO offset, Fixes: 8306bcaba06d ("thermal: intel: int340x: Add module parameter to change slider offset") Tested-by: Erin Park Signed-off-by: Srinivas Pandruvada Cc: 6.18+ # 6.18+ [ rjw: Subject and changelog tweaks ] Link: https://patch.msgid.link/20260324172346.3317145-1-srinivas.pandruvada@linux.intel.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman

thermal: int340x: Fix sysfs group leak on DLVR registration failure

2026-03-04T12:20:38+00:00

[ Upstream commit 15176b818e048ccf6ef4b96db34eda7b7e98938a ] When DLVR sysfs group creation fails in proc_thermal_rfim_add(), the function returns immediately without cleaning up the FIVR group that may have been created earlier. Add proper error unwinding to remove the FIVR group before returning failure. Signed-off-by: Kaushlendra Kumar Acked-by: Srinivas Pandruvada Link: https://patch.msgid.link/LV3PR11MB876881B77D32A2854AD2908EF563A@LV3PR11MB8768.namprd11.prod.outlook.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin

thermal: intel: x86_pkg_temp_thermal: Handle invalid temperature

2026-02-26T22:59:00+00:00

[ Upstream commit 9635c586a559ba0e45b2bfbff79c937ddbaf1a62 ] After commit be0a3600aa1e ("thermal: sysfs: Rework the handling of trip point updates"), THERMAL_TEMP_INVALID can be passed to sys_set_trip_temp() and it is treated as a regular temperature value there, so the sysfs write fails even though it is expected to succeed and disable the given trip point. Address this by making sys_set_trip_temp() clear its temp variable when it is equal to THERMAL_TEMP_INVALID. Fixes: be0a3600aa1e ("thermal: sysfs: Rework the handling of trip point updates") Signed-off-by: Rafael J. Wysocki Link: https://patch.msgid.link/2815400.mvXUDI8C0e@rafael.j.wysocki Signed-off-by: Sasha Levin

thermal: intel: int340x: Power Slider: Validate slider_balance range

2025-09-24T19:54:55+00:00

When the module parameter slider_balance is set to the performance slider value of 0, the SoC slider profile switches to the performance mode. This can cause the Linux power-profiles-daemon to change the system power mode to performance from balanced mode. This happens when there is only one platform profile registered as there will be no conflict with other platform profiles. Same issue occurs when the slider_balance is set to the power-saver slider value. Prevent module parameter slider_balance from overlapping with performance and power-saver slider values by adding range validation. Return an error when an invalid value is provided. Signed-off-by: Srinivas Pandruvada Link: https://patch.msgid.link/20250923205631.3056590-1-srinivas.pandruvada@linux.intel.com [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki

thermal: intel: int340x: Add module parameter to change slider offset

2025-08-25T13:44:47+00:00

SoC slider value is set by the user (or the default when user has not modified it). To enhance power efficiency dynamically, the firmware can optionally auto-adjust the slider value based on the current workload. This adjustment is governed by an additional parameter known as the "slider offset". This offset permits the firmware to increase the slider value up to and including "SoC slider + slider offset". Add a module parameter to specify this "slier offset" value. By default, the SoC slider offset is set to 0. This means that SoC is not allowed to switch slider position. Signed-off-by: Srinivas Pandruvada Link: https://patch.msgid.link/20250825132315.75521-5-srinivas.pandruvada@linux.intel.com [ rjw: Comment and module param description adjustments ] Signed-off-by: Rafael J. Wysocki

thermal: intel: int340x: Add module parameter for balanced Slider

2025-08-25T13:44:47+00:00

By default, the SoC slider value for the "balanced" platform profile is set to 3. This update introduces a new module parameter, allowing users to modify this default value. The module parameter can be specified during load time to set a custom slider value for the "balanced" profile. If the module parameter is not specified at load time and is updated later, the new value will only take effect after the next write of "balanced" to the sysfs "profile" attribute. Signed-off-by: Srinivas Pandruvada Link: https://patch.msgid.link/20250825132315.75521-4-srinivas.pandruvada@linux.intel.com [ rjw: Minor adjustments of module param description ] Signed-off-by: Rafael J. Wysocki

thermal: intel: int340x: Enable power slider interface for Panther Lake

2025-08-25T13:44:47+00:00

Set the PROC_THERMAL_FEATURE_SOC_POWER_SLIDER feature flag in proc_thermal_pci_ids[] for Panther Lake to enable power slider interface. Signed-off-by: Srinivas Pandruvada Link: https://patch.msgid.link/20250825132315.75521-3-srinivas.pandruvada@linux.intel.com Signed-off-by: Rafael J. Wysocki

thermal: intel: int340x: Add support for power slider

2025-08-25T13:44:47+00:00

Add support for system wide energy performance preference using a SoC slider interface defined via processor thermal PCI device MMIO space. Using Linux platform-profile class API, register a new platform profile. Provide three platform power profile choices: "performance", "balanced" and "low-power". Profile sysfs is located at: /sys/class/platform-profile/platform-profile-* where attribute "name" is presented as "SoC Power Slider". At boot by default the slider is set to balanced mode. This profile is changed by user space based on user preference via power profile daemon or directly writing to the "profile" sysfs attribute. Add a CPU model specific processor thermal device feature PROC_THERMAL_FEATURE_SOC_POWER_SLIDER. When enabled for a CPU model, slider interface is registered. During system suspend callback save slider register and restore during resume callback. Signed-off-by: Srinivas Pandruvada Link: https://patch.msgid.link/20250825132315.75521-2-srinivas.pandruvada@linux.intel.com [ rjw: Removal of redundant outer parens from one expression ] Signed-off-by: Rafael J. Wysocki

thermal: intel: int340x: Remove redundant acpi_has_method() call

2025-08-19T19:18:29+00:00

acpi_evaluate_object() returns an error if the needed method does not exist, so remove an unnecessary acpi_has_method() call preceding it. Signed-off-by: Salah Triki Link: https://patch.msgid.link/aIMQ9RFciI8jmmAh@pc [ rjw: Subject adjustment ] Signed-off-by: Rafael J. Wysocki