Re: [RFT PATCH 0/4] hwmon: k10temp driver improvements

Holger Kiehl
2020-01-17T09:58:37Z

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On Thu, 16 Jan 2020, Guenter Roeck wrote:

> This patch series implements various improvements for the k10temp driver.
>
> Patch 1/4 introduces the use of bit operations.
>
> Patch 2/4 converts the driver to use the devm_hwmon_device_register_with_info
> API. This not only simplifies the code and reduces its size, it also
> makes the code easier to maintain and enhance.
>
> Patch 3/4 adds support for reporting Core Complex Die (CCD) temperatures
> on Ryzen 3 (Zen2) CPUs.
>
> Patch 4/4 adds support for reporting core and SoC current and voltage
> information on Ryzen CPUs.
>
> With all patches in place, output on Ryzen 3900 CPUs looks as follows
> (with the system under load).
>
> k10temp-pci-00c3
> Adapter: PCI adapter
> Vcore: +1.36 V
> Vsoc: +1.18 V
> Tdie: +86.8°C (high = +70.0°C)
> Tctl: +86.8°C
> Tccd1: +80.0°C
> Tccd2: +81.8°C
> Icore: +44.14 A
> Isoc: +13.83 A
>
> The patch series has only been tested with Ryzen 3900 CPUs. Further test
> coverage will be necessary before the changes can be applied to the Linux
> kernel.
>
Here from my little Asrock A300 with a Ryzen 2400G:

sensors
k10temp-pci-00c3
Adapter: PCI adapter
Vcore: +0.78 V
Vsoc: +1.11 V
Tdie: +44.8°C (high = +70.0°C)
Tctl: +44.8°C
Icore: +5.20 A
Isoc: +2.17 A

nvme-pci-0100
Adapter: PCI adapter
Composite: +41.9°C (low = -273.1°C, high = +80.8°C)
(crit = +80.8°C)
Sensor 1: +41.9°C (low = -273.1°C, high = +65261.8°C)
Sensor 2: +44.9°C (low = -273.1°C, high = +65261.8°C)

nct6793-isa-0290
Adapter: ISA adapter
in0: +0.34 V (min = +0.00 V, max = +1.74 V)
in1: +1.84 V (min = +0.00 V, max = +0.00 V) ALARM
in2: +3.41 V (min = +0.00 V, max = +0.00 V) ALARM
in3: +3.39 V (min = +0.00 V, max = +0.00 V) ALARM
in4: +0.26 V (min = +0.00 V, max = +0.00 V) ALARM
in5: +0.14 V (min = +0.00 V, max = +0.00 V) ALARM
in6: +0.67 V (min = +0.00 V, max = +0.00 V) ALARM
in7: +3.39 V (min = +0.00 V, max = +0.00 V) ALARM
in8: +3.26 V (min = +0.00 V, max = +0.00 V) ALARM
in9: +1.84 V (min = +0.00 V, max = +0.00 V) ALARM
in10: +0.19 V (min = +0.00 V, max = +0.00 V) ALARM
in11: +0.14 V (min = +0.00 V, max = +0.00 V) ALARM
in12: +1.85 V (min = +0.00 V, max = +0.00 V) ALARM
in13: +1.72 V (min = +0.00 V, max = +0.00 V) ALARM
in14: +0.20 V (min = +0.00 V, max = +0.00 V) ALARM
fan1: 0 RPM (min = 0 RPM)
fan2: 317 RPM (min = 0 RPM)
fan3: 0 RPM (min = 0 RPM)
fan4: 0 RPM (min = 0 RPM)
fan5: 0 RPM (min = 0 RPM)
SYSTIN: +113.0°C (high = +0.0°C, hyst = +0.0°C) sensor = thermistor
CPUTIN: +59.5°C (high = +80.0°C, hyst = +75.0°C) sensor = thermistor
AUXTIN0: +45.0°C (high = +0.0°C, hyst = +0.0°C) ALARM sensor = thermistor
AUXTIN1: +107.0°C sensor = thermistor
AUXTIN2: +106.0°C sensor = thermistor
AUXTIN3: +103.0°C sensor = thermistor
SMBUSMASTER 0: +44.5°C
PCH_CHIP_CPU_MAX_TEMP: +0.0°C
PCH_CHIP_TEMP: +0.0°C
PCH_CPU_TEMP: +0.0°C
intrusion0: OK
intrusion1: ALARM
beep_enable: disabled

amdgpu-pci-0300
Adapter: PCI adapter
vddgfx: N/A
vddnb: N/A
edge: +44.0°C (crit = +80.0°C, hyst = +0.0°C)

Patches applied without any problem against Linus git tree.

Many thanks for this work!

Regards,
Holger