Re: [PATCH 9/9] hwmon: (it87) Report thermal sensor type as Intel PECI if appropriate

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 29 Oct 2012 10:28:30 -0700, Guenter Roeck wrote:
> On Mon, Oct 29, 2012 at 05:55:20PM +0100, Jean Delvare wrote:
> > On Sun, 28 Oct 2012 11:20:01 -0700, Guenter Roeck wrote:
> > > diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
> > > index 92ce617..3d938aea 100644
> > > --- a/Documentation/hwmon/it87
> > > +++ b/Documentation/hwmon/it87
> > > @@ -217,4 +217,5 @@ Temperature offset attributes
> > >  The driver supports temp[1-3]_offset sysfs attributes to adjust the reported
> > >  temperature for thermal diodes or diode connected thermal transistors.
> > >  If a temperature sensor is configured for thermistors, the attribute values
> > > -are ignored.
> > > +are ignored. If the thermal sensor type is Intel PECI, the temperature offset
> > > +must be programmed to the critical CPU temperature.
> > 
> > I don't quite get this part.. Who should do that, and how?
>
> The BIOS, presumably. It does it on my board, but wrongly. It sets it
> to 97 degrees C, while the CPU's Tcrit is 105 degrees C. I fixed the
> offset to 105, and now the reported temperature matches the CPU temperature
> (and moves with it). This is how I found out about PECI support in the
> first place.

In which register is the PECI temperature offset value stored? I am
looking at the IT8720F datasheet and I can't find it.

-- 
Jean Delvare

_______________________________________________
lm-sensors mailing list
lm-sensors@xxxxxxxxxxxxxx
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors


[Index of Archives]     [Linux Kernel]     [Linux Hardware Monitoring]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux