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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT049.mail.protection.outlook.com (10.13.175.50) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5944.10 via Frontend Transport; Wed, 21 Dec 2022 15:41:38 +0000 Received: from TPE-L1-ABNCHANG.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 21 Dec 2022 09:41:34 -0600 From: "Chang, Abner" To: CC: Hao A Wu , Ray Ni , "Garrett Kirkendall" , Abner Chang , Kuei-Hung Lin Subject: [PATCH 1/3] MdeModulePkg/Xhci: Initial XHCI DCI slot's Context value Date: Wed, 21 Dec 2022 23:41:11 +0800 Message-ID: <20221221154112.1161-1-abner.chang@amd.com> X-Mailer: git-send-email 2.37.1.windows.1 MIME-Version: 1.0 Return-Path: Abner.Chang@amd.com X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT049:EE_|CH3PR12MB8076:EE_ X-MS-Office365-Filtering-Correlation-Id: 51c48595-9444-4314-ca2a-08dae369d940 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Dec 2022 15:41:38.0444 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 51c48595-9444-4314-ca2a-08dae369d940 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT049.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8076 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain From: Abner Chang Initialize XHCI DCI slot's context entries value. Signed-off-by: Jiangang He Cc: Hao A Wu Cc: Ray Ni Cc: Garrett Kirkendall Cc: Abner Chang Cc: Kuei-Hung Lin --- MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 7 +++++++ MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c | 7 +++++++ 2 files changed, 14 insertions(+) diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pc= i/XhciDxe/XhciSched.c index 13247f7b0df..4b7462704a8 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -4,6 +4,7 @@ =20 Copyright (c) 2011 - 2020, Intel Corporation. All rights reserved.
Copyright (c) Microsoft Corporation.
+Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent =20 **/ @@ -2807,6 +2808,9 @@ XhcInitializeEndpointContext ( MaxDci =3D 0; =20 NumEp =3D IfDesc->NumEndpoints; + if (NumEp =3D=3D 0) { + MaxDci =3D 1; + } =20 EpDesc =3D (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); for (EpIndex =3D 0; EpIndex < NumEp; EpIndex++) { @@ -3006,6 +3010,9 @@ XhcInitializeEndpointContext64 ( MaxDci =3D 0; =20 NumEp =3D IfDesc->NumEndpoints; + if (NumEp =3D=3D 0) { + MaxDci =3D 1; + } =20 EpDesc =3D (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); for (EpIndex =3D 0; EpIndex < NumEp; EpIndex++) { diff --git a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c b/MdeModulePkg/Bus/Pc= i/XhciPei/XhciSched.c index cc597a43717..8400c90f7ad 100644 --- a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c @@ -3,6 +3,7 @@ PEIM to produce gPeiUsb2HostControllerPpiGuid based on gPei= UsbControllerPpiGuid which is used to enable recovery function from USB Drivers. =20 Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.
+Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.
=20 SPDX-License-Identifier: BSD-2-Clause-Patent =20 @@ -1752,6 +1753,9 @@ XhcPeiSetConfigCmd ( } =20 NumEp =3D IfDesc->NumEndpoints; + if ((NumEp =3D=3D 0) && (MaxDci =3D=3D 0)) { + MaxDci =3D 1; + } =20 EpDesc =3D (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); for (EpIndex =3D 0; EpIndex < NumEp; EpIndex++) { @@ -1974,6 +1978,9 @@ XhcPeiSetConfigCmd64 ( } =20 NumEp =3D IfDesc->NumEndpoints; + if ((NumEp =3D=3D 0) && (MaxDci =3D=3D 0)) { + MaxDci =3D 1; + } =20 EpDesc =3D (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); for (EpIndex =3D 0; EpIndex < NumEp; EpIndex++) { --=20 2.37.1.windows.1