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

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Message-ID: <20201028202101.2m2jp3tfa6mh3brz@alap3.anarazel.de>
Date:   Wed, 28 Oct 2020 13:21:01 -0700
From:   Andres Freund <andres@...razel.de>
To:     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.

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?

Greetings,

Andres Freund