Intel-BMC: Fan control

James Feist james.feist at linux.intel.com
Sat Apr 25 04:38:48 AEST 2020


On 4/24/2020 10:41 AM, Vijay Khemka wrote:
> I can’t comment for Intel-bmc but in openbmc, entity manager supports 
> for phosphor-fan-control and yaml config is not required if there is EM 
> config available.

Slight correction, phosphor-pid-control is what EM supports, and there 
is no yaml config required. It does not use phosphor-fan-control.


> 
> *From: *openbmc <openbmc-bounces+vijaykhemka=fb.com at lists.ozlabs.org> on 
> behalf of Matthew Barth <msbarth at linux.ibm.com>
> *Date: *Friday, April 24, 2020 at 8:08 AM
> *To: *Patrick Voelker <Patrick_Voelker at phoenix.com>, "OpenBMC 
> (openbmc at lists.ozlabs.org)" <openbmc at lists.ozlabs.org>
> *Subject: *Re: Intel-BMC: Fan control
> 
> No, phosphor-fan-control is currently driven by yaml configs at build 
> time. There is work slated to enable use of runtime json configs for 
> phosphor-fan-control.
> 
> I believe entity-manager can be used to provide config data to the 
> phosphor-pid-control fan control application though.
> 
> On 4/23/20 6:48 PM, Patrick Voelker wrote:
> 
>     Fan control related question for Intel-BMC: Do the entity-manager
>     tachs, PWMs, and zones inform phosphor-fan-control? Or is
>     phosphor-fan-control driven purely from the yaml configurations at
>     build time?
> 


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