On Sun, Aug 17, 2025 at 09:00:59PM -0500, Mario Limonciello (AMD) wrote: > For the suspend flow PCIe bridges that have downstream devices are put into > the appropriate low power state (D3hot or D3cold depending upon specific > devices). For the hibernate flow, PCIe bridges with downstream devices > stay in D0 however. This can lead to PCIe bridges that are remained > powered on needlessly during hibernate.
s/are remained/remain/ I guess? > Adjust the pci_pm_poweroff_noirq() to follow the same flow as > pci_pm_suspend_noirq() by using pci_pm_suspend_noirq_common(). > > This introduces a functional change that the hibernate flow will now > call pci_save_state() and unless bus PM is skipped will also set > the PCIe device into an unknown state.
