Re: [PATCH] hwmon: (k10temp) Fix model id range of Zen5 Turin

[Guenter Roeck <linux@roeck-us.net>]

On 9/10/26 11:39, Rong Zhang wrote:
> Model 20h-2Fh are mobile processors with single CCD. For example, model
> 24h is Strix Point, i.e., Ryzen AI 7 (PRO) (H/HX) 360/365/370.
> 
> Including mobile processors in the model id range of Zen5 Turin
> processors leads to bogus reporting:
> 
>    k10temp-pci-00c3
>    Adapter: PCI adapter
>    Tctl:         +54.1°C
>    Tccd4:       +148.6°C
>    Tccd6:       +148.4°C
>    Tccd7:       +149.1°C
>    Tccd8:       +149.2°C
>    Tccd9:       +149.2°C
>    Tccd12:      +149.1°C
>    Tccd14:       +22.0°C
>    Tccd15:       +22.0°C
>    Tccd16:       +22.0°C
> 
> Fix it by removing the said range.
> 
> Fixes: 8440d5aca227 ("hwmon: (k10temp) Add per-CCD temperature monitoring for Zen5 Turin")
> Signed-off-by: Rong Zhang <i@rong.moe>
> ---
>   drivers/hwmon/k10temp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
> index 75a45010d687..3e7e63edc6a3 100644
> --- a/drivers/hwmon/k10temp.c
> +++ b/drivers/hwmon/k10temp.c
> @@ -523,7 +523,7 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>   		}
>   	} else if (boot_cpu_data.x86 == 0x1a) {
>   		switch (boot_cpu_data.x86_model) {
> -		case 0x00 ... 0x2f:	/* Zen5 Turin */
> +		case 0x00 ... 0x1f:	/* Zen5 Turin */

Doesn't that drop _all_ CCD temperature reporting for those chips ?

Guenter

>   			data->ccd_offset = 0x1F0;
>   			k10temp_get_ccd_support(data, 16);
>   			break;
> 
> ---
> base-commit: 50d05c7c76c96b90462f24debacca971d2e86713
> change-id: 7b515a4b-k10temp-fix-zen5-epyc-14334e85a3b9
> 
> Thanks,
> Rong