Re: [PATCH V10 0/4] Enable PCIe ASPM and LTR on select hardware

Lorenzo Pieralisi
2023-02-02T15:07:22Z

On Thu, 19 Jan 2023 19:15:18 -0800, David E. Box wrote:
> This series adds a work around for enabling PCIe ASPM and for setting PCIe
> LTR values on VMD reserved root ports on select platforms. While
> configuration of these capabilities is usually done by BIOS, on these
> platforms these capabilities will not be configured because the ports are
> not visible to BIOS. This was part of an initial design that expected the
> driver to completely handle the ports, including power management. However
> on Linux those ports are still managed by the PCIe core, which has the
> expectation that they adhere to device standards including BIOS
> configuration, leading to this problem.
>
> [...]

Applied to pci/controller/vmd, thanks!

[1/4] PCI/ASPM: Add pci_enable_link_state()
https://git.kernel.org/pci/pci/c/de82f60f9c86
[2/4] PCI: vmd: Use PCI_VDEVICE in device list
https://git.kernel.org/pci/pci/c/cca0dfecdba3
[3/4] PCI: vmd: Create feature grouping for client products
https://git.kernel.org/pci/pci/c/14d2079af648
[4/4] PCI: vmd: Add quirk to configure PCIe ASPM and LTR
https://git.kernel.org/pci/pci/c/f492edb40b54

Thanks,
Lorenzo