The TCC offset field in the register MSR_TEMPERATURE_TARGET is not
architectural. The TCC library provides a model-specific bitmask. Use it to
determine the maximum TCC offset.

Suggested-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
---
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Lukasz Luba <lukasz.luba@arm.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: linux-hwmon@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # v6.7+
---
Changes since v1:
 * Used renamed function intel_tcc_get_offset_mask().
---
 drivers/thermal/intel/intel_tcc_cooling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/intel/intel_tcc_cooling.c b/drivers/thermal/intel/intel_tcc_cooling.c
index 6c392147e6d1..5bfc2b515c78 100644
--- a/drivers/thermal/intel/intel_tcc_cooling.c
+++ b/drivers/thermal/intel/intel_tcc_cooling.c
@@ -20,7 +20,7 @@ static struct thermal_cooling_device *tcc_cdev;
 static int tcc_get_max_state(struct thermal_cooling_device *cdev, unsigned long
 			     *state)
 {
-	*state = 0x3f;
+	*state = intel_tcc_get_offset_mask();
 	return 0;
 }
 
-- 
2.34.1

On Thu, 2024-04-25 at 10:13 -0700, Ricardo Neri wrote:
> The TCC offset field in the register MSR_TEMPERATURE_TARGET is not
> architectural. The TCC library provides a model-specific bitmask. Use
> it to
> determine the maximum TCC offset.
> 
> Suggested-by: Zhang Rui <rui.zhang@intel.com>
> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>

Reviewed-by: Zhang Rui <rui.zhang@intel.com>

-rui

> ---
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> Cc: Lukasz Luba <lukasz.luba@arm.com>
> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
> Cc: linux-hwmon@vger.kernel.org
> Cc: linux-pm@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: stable@vger.kernel.org # v6.7+
> ---
> Changes since v1:
>  * Used renamed function intel_tcc_get_offset_mask().
> ---
>  drivers/thermal/intel/intel_tcc_cooling.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/intel/intel_tcc_cooling.c
> b/drivers/thermal/intel/intel_tcc_cooling.c
> index 6c392147e6d1..5bfc2b515c78 100644
> --- a/drivers/thermal/intel/intel_tcc_cooling.c
> +++ b/drivers/thermal/intel/intel_tcc_cooling.c
> @@ -20,7 +20,7 @@ static struct thermal_cooling_device *tcc_cdev;
>  static int tcc_get_max_state(struct thermal_cooling_device *cdev,
> unsigned long
>                              *state)
>  {
> -       *state = 0x3f;
> +       *state = intel_tcc_get_offset_mask();
>         return 0;
>  }
>