update devfreq core

Registered by David Zinman on 2012-08-22

Update devfreq core framework to bring more devices(including GPUs) under its umbrella. Also feed upstream.

Blueprint information

Status:
Complete
Approver:
Amit Kucheria
Priority:
Medium
Drafter:
Amit Kucheria
Direction:
Approved
Assignee:
Rajagopal Venkat
Definition:
Approved
Series goal:
Accepted for trunk
Implementation:
Implemented
Milestone target:
milestone icon 2013.02
Started by
Amit Kucheria on 2012-09-09
Completed by
Amit Kucheria on 2013-09-09

Related branches

Sprints

Whiteboard

Meta:
Headline: Update devfreq core and adapt Mali driver to use devfreq framework for dvfs
Acceptance: Upstream devfreq core and Mali devfreq driver patches
Roadmap id: N/A

9/8/2013: Core work is done and upstreamed. The rest is now low-priority. Closing the blueprint.

(?)

Work Items

Work items for 2012.09:
update devfreq core to support devices which can idle : DONE

Work items for 2012.10:
Adapt Mali driver to use devfreq framework for dvfs : DONE
Upstream devfreq core patches : DONE

Work items for 2012.11:
Get Mali driver and devfreq patches accepted to Linaro tree : DONE

Work items for 2012.12:
Get Mali platform specific(Origen) patches accepted to Linaro tree (dependency on GWG) : DONE
Display devfreq stats on powertop tool : DONE

Work items for 2013.02:
Fix devfreq stat issues : DONE

Work items for backlog:
Add runtime-pm support to devfreq core : INPROGRESS
Integrate devfreq with OPP framework for better opp management : TODO

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