2023-03-08 Meeting notes

Owned by julianus.larson
Last updated: Jun 28, 2023
1 min read

Date

Mar 8, 2023

 Participants

  • @Jammy.Zhou

  • @Fugang Duan

  • @Niyas Sait (Deactivated)

  • @Sudeep Holla

  • Souvik Chakravarty

  • @Lorenzo Pieralisi

  • @julianus.larson

 

 Discussion topics

Presenter

Notes

Presenter

Notes

All (Niyas)

Progress updates for the topics left like clock management, thermal management, pinctrl, etc.

Summary

Clock Management

  • Proposal sent to Microsoft for review. No feedback yet.

Pin control

  • Proposal sent to Microsoft for Review. No feedback yet.

  • In discussion with Linux intel pinctrl maintainer for setting up a meeting to finalize the dessign.

Thermal Management

  • Linux patches being reviewed by Daniel Lecanzo

Device Power Management

  • Prototyped with SCMI

  • Requires Microsoft engagement for exploring PEP alternatives.

DMA

  • Prototyped with Microsoft owned CSRT table and Intel specific descriptors.

  • Initiated a discussion with Microsoft to request if they could donate the spec. to ACPI. No feedback yet.

Timers

  • Investigation completed. No specific changes are required.

Voltage Regulator

  • Investigation completed. No specific changes are required.

System Sleep States and Wake up events

  • In progress

All (Niyas)

Next steps

 Action items

 

@Souvik Chakravarty to discuss CSRT in SystemReady forums
@Jammy.Zhou @Fugang Duan to come up with next set of priorities
@Jammy.Zhou to talk to Microsoft contacts about the blocking issues
@Niyas Sait (Deactivated) to do an end to end flow with clock management proposal
@Niyas Sait (Deactivated) to check on the Morello board availability for DevFreq work

 Decisions