From: Bjorn Helgaas <helgaas@kernel.org>
To: Evan Quan <evan.quan@amd.com>
Cc: linux-pci@vger.kernel.org, bhelgaas@google.com,
Alexander.Deucher@amd.com, stable@vger.kernel.org
Subject: Re: [PATCH] PCI: Create device links for AMD integrated USB xHCI and UCSI controllers
Date: Tue, 14 Sep 2021 10:28:42 -0500 [thread overview]
Message-ID: <20210914152842.GA1429517@bjorn-Precision-5520> (raw)
In-Reply-To: <20210903063311.3606226-1-evan.quan@amd.com>
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@vger.kernel.org
> Signed-off-by: Evan Quan <evan.quan@amd.com>
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
>
next prev parent reply other threads:[~2021-09-14 15:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 6:33 [PATCH] PCI: Create device links for AMD integrated USB xHCI and UCSI controllers Evan Quan
2021-09-03 19:55 ` Bjorn Helgaas
2021-09-07 16:09 ` Deucher, Alexander
2021-09-07 17:35 ` Bjorn Helgaas
2021-09-14 12:59 ` Deucher, Alexander
2021-09-14 13:48 ` Bjorn Helgaas
2021-09-14 15:28 ` Bjorn Helgaas [this message]
2021-09-15 16:39 ` Deucher, Alexander
2021-09-15 21:45 ` Bjorn Helgaas
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