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Tue, 16 Mar 2021 19:29:08 +0000 From: Alex Deucher To: amd-gfx@lists.freedesktop.org, linux-pci@vger.kernel.org, bhelgaas@google.com, hegel666@gmail.com Cc: Prike.Liang@amd.com, Shyam-sundar.S-k@amd.com, Alex Deucher Subject: [PATCH] PCI: quirks: Quirk PCI d3hot delay for AMD xhci Date: Tue, 16 Mar 2021 15:28:51 -0400 Message-Id: <20210316192851.286563-1-alexander.deucher@amd.com> X-Mailer: git-send-email 2.30.2 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [192.161.79.247] X-ClientProxiedBy: MN2PR16CA0065.namprd16.prod.outlook.com (2603:10b6:208:234::34) To MN2PR12MB4488.namprd12.prod.outlook.com (2603:10b6:208:24e::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (192.161.79.247) by MN2PR16CA0065.namprd16.prod.outlook.com (2603:10b6:208:234::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.31 via Frontend Transport; Tue, 16 Mar 2021 19:29:07 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 7b7c34ab-de44-4af7-aca2-08d8e8b1c479 X-MS-TrafficTypeDiagnostic: MN2PR12MB4829: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:421; 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Signed-off-by: Marcin Bachry Signed-off-by: Alex Deucher --- drivers/pci/quirks.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 653660e3ba9e..36e5ec670fae 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1904,6 +1904,9 @@ static void quirk_ryzen_xhci_d3hot(struct pci_dev *dev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e0, quirk_ryzen_xhci_d3hot); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e1, quirk_ryzen_xhci_d3hot); +/* Renoir XHCI requires longer delay when transitioning from D0 to + * D3hot */ +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x1639, quirk_ryzen_xhci_d3hot); #ifdef CONFIG_X86_IO_APIC static int dmi_disable_ioapicreroute(const struct dmi_system_id *d) -- 2.30.2