[Feature] Implement PCI Latency Reduction ECR
Bug #1398247 reported by
Yingying Zhao
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
intel |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
Add ACPI DSM calls to PCI core to determine the resume latency required from low power states. Requires firmware support.
Upstream status:
kernel - 4.1
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The latest document for this feature is here: /www.pcisig. com/specificati ons/conventiona l/pci_firmware/ ECN_fw_ latency_ optimization_ final.pdf
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