Public bug reported:
[Impact]
Process of s3 resume take 7s and it's too long which is over 5s.
[Fix]
Reference link_active_reporting field of PCI device to determine whether delay
is taken or not.
Actual delay would be determined by taking maximum between 100ms and pci
device's d3cold delay.
[test]
With the patch, the total time s3 resume is 3874.298 ms which is smaller than
5s.
[Regression Potential]
Low. This patch only changes the rules to determine whether delay is taken or
not.
Reference the right field(link_active_reporting), but not speed of pci device.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: In Progress
** Affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Assignee: koba (kobako)
Status: In Progress
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Package changed: linux-oem (Ubuntu) => linux-oem-osp1 (Ubuntu)
** Changed in: linux-oem-osp1 (Ubuntu)
Status: New => In Progress
** Changed in: linux-oem-osp1 (Ubuntu)
Assignee: (unassigned) => koba (kobako)
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https://bugs.launchpad.net/bugs/1876844
Title:
Speed up the process of s3 resume
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