linux-kernel - Re: [PATCH 2/2] hwmon: (k10temp) Define SVI telemetry and current factors for Zen2 CPUs

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Message-ID: <20200827195346.GA233990@roeck-us.net>
Date:   Thu, 27 Aug 2020 12:53:46 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Wei Huang <wei.huang2@....com>
Cc:     lemens@...isch.de, jdelvare@...e.com, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] hwmon: (k10temp) Define SVI telemetry and current
 factors for Zen2 CPUs

On Thu, Aug 27, 2020 at 12:42:42AM -0500, Wei Huang wrote:
> The voltage telemetry registers for Zen2 are different from Zen1. Also
> the factors of CPU current values are changed on Zen2. Add new definitions
> for these register.
> 
> Signed-off-by: Wei Huang <wei.huang2@....com>

Applied.

Thanks,
Guenter

> ---
>  drivers/hwmon/k10temp.c | 20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
> index f3addb97b021..de9f68570a4f 100644
> --- a/drivers/hwmon/k10temp.c
> +++ b/drivers/hwmon/k10temp.c
> @@ -88,9 +88,13 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
>  /* F17h thermal registers through SMN */
>  #define F17H_M01H_SVI_TEL_PLANE0		(ZEN_SVI_BASE + 0xc)
>  #define F17H_M01H_SVI_TEL_PLANE1		(ZEN_SVI_BASE + 0x10)
> +#define F17H_M31H_SVI_TEL_PLANE0		(ZEN_SVI_BASE + 0x14)
> +#define F17H_M31H_SVI_TEL_PLANE1		(ZEN_SVI_BASE + 0x10)
>  
> -#define F17H_CFACTOR_ICORE			1000000	/* 1A / LSB	*/
> -#define F17H_CFACTOR_ISOC			250000	/* 0.25A / LSB	*/
> +#define F17H_M01H_CFACTOR_ICORE			1000000	/* 1A / LSB	*/
> +#define F17H_M01H_CFACTOR_ISOC			250000	/* 0.25A / LSB	*/
> +#define F17H_M31H_CFACTOR_ICORE			1000000	/* 1A / LSB	*/
> +#define F17H_M31H_CFACTOR_ISOC			310000	/* 0.31A / LSB	*/
>  
>  struct k10temp_data {
>  	struct pci_dev *pdev;
> @@ -580,17 +584,17 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>  			data->show_current = !is_threadripper() && !is_epyc();
>  			data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE0;
>  			data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE1;
> -			data->cfactor[0] = F17H_CFACTOR_ICORE;
> -			data->cfactor[1] = F17H_CFACTOR_ISOC;
> +			data->cfactor[0] = F17H_M01H_CFACTOR_ICORE;
> +			data->cfactor[1] = F17H_M01H_CFACTOR_ISOC;
>  			k10temp_get_ccd_support(pdev, data, 4);
>  			break;
>  		case 0x31:	/* Zen2 Threadripper */
>  		case 0x71:	/* Zen2 */
>  			data->show_current = !is_threadripper() && !is_epyc();
> -			data->cfactor[0] = F17H_CFACTOR_ICORE;
> -			data->cfactor[1] = F17H_CFACTOR_ISOC;
> -			data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE1;
> -			data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE0;
> +			data->cfactor[0] = F17H_M31H_CFACTOR_ICORE;
> +			data->cfactor[1] = F17H_M31H_CFACTOR_ISOC;
> +			data->svi_addr[0] = F17H_M31H_SVI_TEL_PLANE0;
> +			data->svi_addr[1] = F17H_M31H_SVI_TEL_PLANE1;
>  			k10temp_get_ccd_support(pdev, data, 8);
>  			break;
>  		}