GPU Power Management Analysis

Registered by Chunsang Jeong on 2011-11-22

It need to analyze previous CPU power contol mechanism and other power related structure in the kernel, to define interfaces among CPU, kernel PM and GPU. It will be used to define GPU power management data structure.

Blueprint information

Status:
Complete
Approver:
Jesse Barker
Priority:
Medium
Drafter:
Chunsang Jeong
Direction:
Approved
Assignee:
Chunsang Jeong
Definition:
Approved
Series goal:
Accepted for trunk
Implementation:
Implemented
Milestone target:
milestone icon 2011.12
Started by
Ilias Biris on 2011-12-16
Completed by
Ilias Biris on 2011-12-16

Related branches

Sprints

Whiteboard

Headline: Analyze needed GPU, PM and GPU interface for GPU power management
Acceptance:

(?)

Work Items

Work items:
Study and check feasibility of cpuidle and cpufreq in the kernel: DONE
Study runtime power management interface in the kernel: DONE
Analysis DVFS platform dependent, e.g. clock/power gating: DONE
Study CPU dependent or power-coupled in the kernel: DONE
Analysis GPU suspend/resume events handling: DONE

Dependency tree

* Blueprints in grey have been implemented.

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