[Bug 281643] [PATCH] nvme: Autonomous Power State Transition feature

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 22 Sep 2024 17:50:16 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281643

            Bug ID: 281643
           Summary: [PATCH] nvme: Autonomous Power State Transition
                    feature
           Product: Base System
           Version: 15.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: sstj6a2b@eseipi.net

Created attachment 253745
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=253745&action=edit
Proposed fix

APST is an optional NVMe power saving feature that allows devices to
automatically enter higher non-operational power states after a certain amount
of idle time. It should (sometimes significantly, up to as much as 3W, as in
case with Toshiba XG5) reduce the controller's power consumption and therefore
increase battery life.

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