On Mon, Jul 03, 2023 at 12:40:10AM -0500, Mario Limonciello wrote:
> Hi,
>
> There are two issues that have been identified recently where the lack of
> calling ACPI _REG when devices change D-states leads to functional problems.
>
> The first one is a case where some PCIe devices are not functional after
> resuming from suspend (S3 or s0ix).
>
> The second one is a case where as the kernel is initializing it gets stuck
> in a busy loop waiting for AML that never returns.
>
> In both cases this is fixed by cherry-picking these two commits:
>
> 5557b62634ab ("PCI/ACPI: Validate acpi_pci_set_power_state() parameter")
> 112a7f9c8edb ("PCI/ACPI: Call _REG when transitioning D-states")
>
> Can you please backport these to 6.1.y and later?
Now queued up, thanks.
greg k-h
