Re: [PATCH] thermal: intel: int340x: Power Slider: Set offset only for balanced mode

From: Rafael J. Wysocki

Date: Tue Mar 24 2026 - 14:29:40 EST


On Tue, Mar 24, 2026 at 6:23 PM Srinivas Pandruvada
<srinivas.pandruvada@xxxxxxxxxxxxxxx> wrote:
>
> 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 set 0 when writing to MMIO offset,
>
> Fixes: 8306bcaba06d ("thermal: intel: int340x: Add module parameter to change slider offset")
> Tested-by: Erin Park <erin.park@xxxxxxxxx>
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx # v6.18+
> ---
> .../intel/int340x_thermal/processor_thermal_soc_slider.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c
> index 49ff3bae7271..91f291627132 100644
> --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c
> +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c
> @@ -176,15 +176,21 @@ static inline void write_soc_slider(struct proc_thermal_device *proc_priv, u64 v
>
> static void set_soc_power_profile(struct proc_thermal_device *proc_priv, int slider)
> {
> + u8 offset;
> u64 val;
>
> val = read_soc_slider(proc_priv);
> val &= ~SLIDER_MASK;
> val |= FIELD_PREP(SLIDER_MASK, slider) | BIT(SLIDER_ENABLE_BIT);
>
> + if (slider == SOC_SLIDER_VALUE_MINIMUM || slider == SOC_SLIDER_VALUE_MAXIMUM)
> + offset = 0;
> + else
> + offset = slider_offset;
> +
> /* Set the slider offset from module params */
> val &= ~SLIDER_OFFSET_MASK;
> - val |= FIELD_PREP(SLIDER_OFFSET_MASK, slider_offset);
> + val |= FIELD_PREP(SLIDER_OFFSET_MASK, offset);
>
> write_soc_slider(proc_priv, val);
> }
> --

Applied as 7.0-rc material, thanks!