On Fri, Aug 18, 2023 at 7:14 AM Mario Limonciello <mario.limonciello@xxxxxxx> wrote: > > Problems have been reported on AMD laptops with suspend/resume > where particular root ports are put into D3 and then the system is unable > to resume properly. > > This is caused by the policy used by the Linux kernel to put PCIe root ports > into D3. This series adjusts the policy to be more conservative and only > put root ports into D3 if the platform has indicated that it is necessary > to do so. > > Andy Shevchenko (1): > ACPI: x86: s2idle: Add for_each_lpi_constraint() helper > > Mario Limonciello (11): > PCI: Only put Intel PCIe ports >= 2015 into D3 > ACPI: Add comments to clarify some #ifdef statements > ACPI: Adjust #ifdef for *_lps0_dev use > ACPI: x86: s2idle: Post-increment variables when getting constraints > ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects > ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table > ACPI: x86: s2idle: Add more debugging for AMD constraints parsing > ACPI: x86: s2idle: Add a function to get constraints for a device > PCI: ACPI: Add helper functions for converting ACPI <->PCI states > PCI: ACPI: Use device constraints to opt devices into D3 support > PCI: ACPI: Limit the Intel specific opt-in to D3 to 2024 I think that patches [02-08/11] can be applied before the rest of the series. In fact, I'd like to do that and expose a forward-only branch containing them. Then, patches [1,09-11/11] will become a separate PCI/ACPI specific series that should be somewhat easier to grasp. What do you think?
