Re: [PATCH] PCI: Create device links for AMD integrated USB xHCI and UCSI controllers

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On Fri, Sep 03, 2021 at 02:33:11PM +0800, Evan Quan wrote:
> Latest AMD GPUs have built-in USB xHCI and UCSI controllers. Add device
> link support for them.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>

Applied to pci/pm for v5.16, thanks!

> ---
>  drivers/pci/quirks.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index dea10d62d5b9..f0c5dd3406a1 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -5338,7 +5338,7 @@ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
>  			      PCI_CLASS_MULTIMEDIA_HD_AUDIO, 8, quirk_gpu_hda);
>  
>  /*
> - * Create device link for NVIDIA GPU with integrated USB xHCI Host
> + * Create device link for GPUs with integrated USB xHCI Host
>   * controller to VGA.
>   */
>  static void quirk_gpu_usb(struct pci_dev *usb)
> @@ -5347,9 +5347,11 @@ static void quirk_gpu_usb(struct pci_dev *usb)
>  }
>  DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
>  			      PCI_CLASS_SERIAL_USB, 8, quirk_gpu_usb);
> +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
> +			      PCI_CLASS_SERIAL_USB, 8, quirk_gpu_usb);
>  
>  /*
> - * Create device link for NVIDIA GPU with integrated Type-C UCSI controller
> + * Create device link for GPUs with integrated Type-C UCSI controller
>   * to VGA. Currently there is no class code defined for UCSI device over PCI
>   * so using UNKNOWN class for now and it will be updated when UCSI
>   * over PCI gets a class code.
> @@ -5362,6 +5364,9 @@ static void quirk_gpu_usb_typec_ucsi(struct pci_dev *ucsi)
>  DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
>  			      PCI_CLASS_SERIAL_UNKNOWN, 8,
>  			      quirk_gpu_usb_typec_ucsi);
> +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
> +			      PCI_CLASS_SERIAL_UNKNOWN, 8,
> +			      quirk_gpu_usb_typec_ucsi);
>  
>  /*
>   * Enable the NVIDIA GPU integrated HDA controller if the BIOS left it
> -- 
> 2.29.0
> 



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