On 6/17/25 00:50, Mario Limonciello wrote: > From: Mario Limonciello <mario.limoncie...@amd.com> > > A variety of issues both in function and in power consumption have been > raised as a result of devices not being put into a low power state when > the system is powered off. > > There have been some localized changes[1] to PCI core to help these issues, > but they have had various downsides. > > This series instead tries to use the S4 flow when the system is being > powered off. This lines up the behavior with what other operating systems > do as well. If for some reason that fails or is not supported, unwind and > do the previous S5 flow that will wake all devices and run their shutdown() > callbacks. >
Hi Mario, I've been running this series on CachyOS since 6.16-rc3 and have no issues. Feel free to add Tested-by: Eric Naim <dn...@cachyos.org> -- Regards, Eric > v3->v4: > * Fix LKP robot failure > * Rebase on v6.16-rc2 > > Previous submissions [1]: > Link: > https://lore.kernel.org/linux-pm/CAJZ5v0hrKEJa8Ad7iiAvQ3d_0ysVhzZcXSYc5kkL=6vtsef...@mail.gmail.com/T/#m91e4eae868a7405ae579e89b135085f4906225d2 > Link: > https://lore.kernel.org/linux-pci/20250506041934.1409302-1-supe...@kernel.org/ > Link: > https://lore.kernel.org/linux-pci/20231213182656.6165-1-mario.limoncie...@amd.com/ > (v1) > Link: > https://lore.kernel.org/linux-pm/20250514193406.3998101-1-supe...@kernel.org/ > (v2) > Link: > https://lore.kernel.org/linux-pm/20250609024619.407257-1-supe...@kernel.org/ > (v3) > > Mario Limonciello (5): > PM: Use hibernate flows for system power off > PCI: Put PCIe ports with downstream devices into D3 at hibernate > drm/amd: Avoid evicting resources at S5 > scsi: Add PM_EVENT_POWEROFF into suspend callbacks > usb: sl811-hcd: Add PM_EVENT_POWEROFF into suspend callbacks > > drivers/base/power/main.c | 7 ++ > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 + > drivers/pci/pci-driver.c | 94 ++++++++++++++-------- > drivers/scsi/mesh.c | 1 + > drivers/scsi/stex.c | 1 + > drivers/usb/host/sl811-hcd.c | 1 + > include/linux/pm.h | 3 + > include/trace/events/power.h | 3 +- > kernel/reboot.c | 6 ++ > 9 files changed, 86 insertions(+), 34 deletions(-) >
