From: Basavaraj Natikar Date: Mon, 4 Mar 2024 05:43:27 +0000 (+0530) Subject: xhci: Allow RPM on the USB controller (1022:43f7) by default X-Git-Tag: v5.15.189~36 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=59aca35c69c2ad7f5d94e167a444fcab5a4c8294;p=thirdparty%2Fkernel%2Fstable.git xhci: Allow RPM on the USB controller (1022:43f7) by default [ Upstream commit 28cbed496059fe1868203b76e9e0ef285733524d ] Enable runtime PM by default for older AMD 1022:43f7 xHCI 1.1 host as it is proven to work. Driver enables runtime PM by default for newer xHCI 1.2 host. Link: https://lore.kernel.org/all/12335218.O9o76ZdvQC@natalenko.name/ Cc: Mario Limonciello Tested-by: Oleksandr Natalenko Signed-off-by: Basavaraj Natikar Acked-by: Mathias Nyman Link: https://lore.kernel.org/r/20240304054327.2564500-1-Basavaraj.Natikar@amd.com Signed-off-by: Greg Kroah-Hartman Stable-dep-of: cbc889ab0122 ("usb: xhci: quirk for data loss in ISOC transfers") Signed-off-by: Sasha Levin --- diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 18200d3662fe6..5c46e85cc2d7c 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -191,8 +191,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_RESET_ON_RESUME; } - if (pdev->vendor == PCI_VENDOR_ID_AMD) + if (pdev->vendor == PCI_VENDOR_ID_AMD) { xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->device == 0x43f7) + xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; + } if ((pdev->vendor == PCI_VENDOR_ID_AMD) && ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) ||