Re: [PATCH v4 0/5] arm64: dts: qcom: sc8280xp: PCIe fixes and GICv3 ITS enable

Johan Hovold
2024-03-08T15:47:05Z

On Wed, Mar 06, 2024 at 10:56:46AM +0100, Johan Hovold wrote:
> This series addresses a few problems with the sc8280xp PCIe
> implementation.

> Qualcomm has now confirmed that this is an issue on sc8280xp and its
> derivate platforms. Specifically, the PHY configuration used on these
> platforms is not correctly tuned for L0s and there is currently no
> updated configuration available.
>
> As we are now at 6.8-rc7, I've rebased this series on the Qualcomm PCIe
> binding rework in linux-next so that the whole series can be merged for
> 6.9 (the patch to disable l0s and the devicetree fix are both marked for
> stable backport anyway).
>
> The DT bindings and PCI patch are expected to go through the PCI tree,
> while Bjorn A takes the devicetree updates through the Qualcomm tree.

> Johan Hovold (5):
> dt-bindings: PCI: qcom: Allow 'required-opps'
> dt-bindings: PCI: qcom: Do not require 'msi-map-mask'
> PCI: qcom: Disable ASPM L0s for sc8280xp, sa8540p and sa8295p

Bjorn H, could you pick up these three for 6.9-rc1?

> arm64: dts: qcom: sc8280xp: add missing PCIe minimum OPP
> arm64: dts: qcom: sc8280xp: enable GICv3 ITS for PCIe

That way there's a small chance that Bjorn A can be able to squeeze in
the patch to enable ITS in 6.9 too (e.g. if there's an rc8).

Johan