git: d0ae816944 - main - Status/2025Q3/suspend.adoc: Add report
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Date: Sun, 05 Oct 2025 09:57:51 UTC
The branch main has been updated by salvadore: URL: https://cgit.FreeBSD.org/doc/commit/?id=d0ae8169445c6b8eb557c76497c193e3ca41fe25 commit d0ae8169445c6b8eb557c76497c193e3ca41fe25 Author: Aymeric Wibo <obiwac@FreeBSD.org> AuthorDate: 2025-10-05 09:18:21 +0000 Commit: Lorenzo Salvadore <salvadore@FreeBSD.org> CommitDate: 2025-10-05 09:53:44 +0000 Status/2025Q3/suspend.adoc: Add report Differential Revision: https://reviews.freebsd.org/D52707 --- .../en/status/report-2025-07-2025-09/suspend.adoc | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/website/content/en/status/report-2025-07-2025-09/suspend.adoc b/website/content/en/status/report-2025-07-2025-09/suspend.adoc new file mode 100644 index 0000000000..1e4f48a9bb --- /dev/null +++ b/website/content/en/status/report-2025-07-2025-09/suspend.adoc @@ -0,0 +1,29 @@ +=== Suspend/Resume Improvement + +Links: + +link:https://obiw.ac/s0ix/[Blog] URL: link:https://obiw.ac/s0ix/[] + +link:https://youtu.be/RCjPc4X2Edc[BSDCan talk on s2idle/S0ix] URL: https://youtu.be/RCjPc4X2Edc[] + +link:https://people.freebsd.org/~obiwac/s0ix/[Sleep testing image] URL: https://people.freebsd.org/~obiwac/s0ix/[] + +link:https://github.com/obiwac/freebsd-s0ix/tree/everything[Working Repo] URL: link:https://github.com/obiwac/freebsd-s0ix/tree/everything[] + +link:https://reviews.freebsd.org/D48721[Tip of the s2idle/S0ix + AMD SMU stack] URL: https://reviews.freebsd.org/D48721[] + + +Contact: obiwac <obiwac@FreeBSD.org> + +Suspend-to-idle and support for S0ix sleep is in the process of being added to FreeBSD. + +This will allow modern Intel and AMD laptops, some of which do not support ACPI S3 sleep, to enter low power states to increase battery life. + +Entry to S0i3 is now working reliably on the Framework 13 AMD Ryzen 7040 series laptops on FreeBSD 15. +This required changes to LinuxKPI for DRM to know whether the system intends to enter S3 or S0ix: link:https://reviews.freebsd.org/D51591[D51591]. + +These changes in turn required the creation of generic sleep types, separate from ACPI. +Not all of these changes have yet been committed, but new hw.power.* sysctls will be created to choose the sleep type for various sleep state transition requests. + +The amdsmu driver, some ACPI changes and fixes, and GPIO interrupt servicing in amdgpio have been committed. + +A pre-built sleep testing image is now available to easily testing S0i3 entry on machines. +Detailed instructions are on the webpage. + +With respect to the links, the blog post entry is still outdated. + +Sponsor: The FreeBSD Foundation