linux-kernel - Re: [PATCH v2 0/5] hwmon: k10temp driver improvements

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Date:   Sun, 19 Jan 2020 10:18:55 +0000
From:   Jonathan McDowell <noodles@...th.li>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ken Moffat <zarniwhoop73@...glemail.com>
Subject: Re: [PATCH v2 0/5] hwmon: k10temp driver improvements


In article <20200118172615.26329-1-linux@...ck-us.net> (earth.lists.linux-kernel) you wrote:
> This patch series implements various improvements for the k10temp driver.
...
> The voltage and current information is limited to Ryzen CPUs. Voltage
> and current reporting on Threadripper and EPYC CPUs is different, and the
> reported information is either incomplete or wrong. Exclude it for the time
> being; it can always be added if/when more information becomes available.

> Tested with the following Ryzen CPUs:

Tested-By: Jonathan McDowell <noodles@...th.li>

Tested on a Ryzen 7 2700 (patched on top of 5.4.13):

| k10temp-pci-00c3
| Adapter: PCI adapter
| Vcore:        +0.80 V
| Vsoc:         +0.81 V
| Tdie:         +37.0°C
| Tctl:         +37.0°C
| Icore:        +8.31 A
| Isoc:         +6.86 A

Like the 1300X case I see a discrepancy compared to what the nct6779
driver says Vcore is:

| nct6779-isa-0290
| Adapter: ISA adapter
| Vcore:                  +0.33 V  (min =  +0.00 V, max =  +1.74 V)
| in1:                    +0.32 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| AVCC:                   +3.39 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| +3.3V:                  +3.39 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in4:                    +1.88 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in5:                    +0.82 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in6:                    +0.30 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| 3VSB:                   +3.42 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| Vbat:                   +3.25 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in9:                    +0.00 V  (min =  +0.00 V, max =  +0.00 V)
| in10:                   +0.22 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in11:                   +1.06 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in12:                   +1.70 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in13:                   +1.04 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| in14:                   +1.79 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
| fan1:                     0 RPM  (min =    0 RPM)
| fan2:                  1708 RPM  (min =    0 RPM)
| fan3:                     0 RPM  (min =    0 RPM)
| fan4:                     0 RPM  (min =    0 RPM)
| fan5:                     0 RPM  (min =    0 RPM)
| SYSTIN:                 +33.0°C  (high =  +0.0°C, hyst =  +0.0°C)  ALARM
| sensor = thermistor
| CPUTIN:                 -62.5°C  (high = +80.0°C, hyst = +75.0°C)
| sensor = thermistor
| AUXTIN0:                +79.0°C    sensor = thermistor
| AUXTIN1:                +96.0°C    sensor = thermistor
| AUXTIN2:                +23.0°C    sensor = thermistor
| AUXTIN3:                -22.0°C    sensor = thermistor
| SMBUSMASTER 0:          +39.0°C
| PCH_CHIP_CPU_MAX_TEMP:   +0.0°C
| PCH_CHIP_TEMP:           +0.0°C
| PCH_CPU_TEMP:            +0.0°C
| intrusion0:            ALARM
| intrusion1:            ALARM
| beep_enable:           disabled

I suspect the nct6779 is not reporting correctly (or needs some
configuration) here, as I see that's what Ken is using with his 1300X as
well.

(ASRock B450M Pro4 motherboard, fwiw.)

J.

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