linux-kernel - Re: [PATCH] thermal: intel_pch_thermal: Add PCI ids for Lewisburg PCH.

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Date:   Thu, 12 Nov 2020 12:29:19 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Andres Freund <andres@...razel.de>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     Tushar Dave <tushar.n.dave@...el.com>,
        Zhang Rui <rui.zhang@...el.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: intel_pch_thermal: Add PCI ids for Lewisburg
 PCH.

On 28/10/2020 21:21, Andres Freund wrote:
> Hi,
> 
> On 2020-01-16 11:41:34 -0800, Srinivas Pandruvada wrote:
>> On Thu, 2020-01-16 at 10:42 -0800, Andres Freund wrote:
>>> Hi,
>>>
>>> On 2020-01-16 05:53:13 -0800, Srinivas Pandruvada wrote:
>>>> On Wed, 2020-01-15 at 10:44 -0800, Andres Freund wrote:
>>>>> I noticed that I couldn't read the PCH temperature on my
>>>>> workstation
>>>>> (C620 series chipset, w/ 2x Xeon Gold 5215 CPUs) directly, but
>>>>> had to
>>>>> go
>>>>> through IPMI. Looking at the data sheet, it looks to me like the
>>>>> existing intel PCH thermal driver should work without changes for
>>>>> Lewisburg.
>>>> Does the temperature reading match with what you read via IPMI?
>>>
>>> It does:
>>>
>>> root@...rk3:~# ipmitool sdr|grep ^PCH
>>> PCH Temp         | 58 degrees C      | ok
>>>
>>> andres@...rk3:~$ cat /sys/class/thermal/thermal_zone0/type
>>> pch_lewisburg
>>> andres@...rk3:~$ cat /sys/class/thermal/thermal_zone0/temp
>>> 58000
>>>
>>> And if I generate some load, it rises for both:
>>> root@...rk3:~# ipmitool sdr|grep ^PCH
>>> PCH Temp         | 60 degrees C      | ok
>>> andres@...rk3:~$ cat /sys/class/thermal/thermal_zone0/temp
>>> 60000
>>>
>> Thanks for the test.
>>
>> Rui can add his ACK.
> 
> Ping? Looks like this got lost somewhere?

Waiting for Rui's ack :)


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