From: Evan Quan <evan.quan@amd.com>
To: <linux-pci@vger.kernel.org>
Cc: <bhelgaas@google.com>, <Alexander.Deucher@amd.com>,
Evan Quan <evan.quan@amd.com>, <stable@vger.kernel.org>
Subject: [PATCH] PCI: Create device links for AMD integrated USB xHCI and UCSI controllers
Date: Fri, 3 Sep 2021 14:33:11 +0800 [thread overview]
Message-ID: <20210903063311.3606226-1-evan.quan@amd.com> (raw)
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>
---
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 reply other threads:[~2021-09-03 6:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 6:33 Evan Quan [this message]
2021-09-03 19:55 ` [PATCH] PCI: Create device links for AMD integrated USB xHCI and UCSI controllers 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
2021-09-15 16:39 ` Deucher, Alexander
2021-09-15 21:45 ` Bjorn Helgaas
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