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client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by CH2PEPF0000013D.mail.protection.outlook.com (10.167.244.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.339.3 via Frontend Transport; Wed, 19 Aug 2026 07:32:19 +0000 Received: from dcsm-trdripper1.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Wed, 19 Aug 2026 02:32:17 -0500 From: Muralidhara M K To: , CC: , , Muralidhara M K Subject: [PATCH v3 3/4] platform/x86/amd/hsmp: Add ACPI client support for Family 1Ah Date: Wed, 19 Aug 2026 13:01:56 +0530 Message-ID: <20260819073157.2426504-4-muralidhara.mk@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260819073157.2426504-1-muralidhara.mk@amd.com> References: <20260819073157.2426504-1-muralidhara.mk@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PEPF0000013D:EE_|SJ2PR12MB9163:EE_ X-MS-Office365-Filtering-Correlation-Id: a1f3eaf3-2281-422f-2a68-08defdc4006b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|23010399003|376014|36860700016|1800799024|56012099006|10067099003|11063799006|22082099003|18002099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: iPmYDFtaMZNcqqBvKDkX/G1Lwf2vmI0azMlDFS5XTX/2TpGoNJUfBR8YmMPBGNzk/n0iYo4nKMTl4MYs+PptbE99hjcNeIC7r7oxcOhTP3MNtmSGqF/fFtxH7XzNFAs/rDa/O5dSIE461WcPHJ5DvWekn77rVQYrEQu9tk8k6Ahdgoio0WIVE/DcSCLV/GGn74KGchmQ+d+TTR3rmnLzDuICgS7k57/zoIRYeUotffJow5g1PQtIBDFo27FQWucrejQrIa3rnpUdp6s1ggh9BYpPmkiXCMHxO2Jv0VKldRzAndE4R+CmnIS5ZbJRIrjEK7et+9kUaDumkYzjWvPI9VNDW7PdGsocyux61s9kdFlZnXngBZd3qxwnL4A3e/im8mhQHqaiq1cBGjLI/24QY/z7/ZEcf1l2NJOULXonAT3YvRsPx12qKy3o2DTYFCO4 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Aug 2026 07:32:19.5307 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a1f3eaf3-2281-422f-2a68-08defdc4006b 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF0000013D.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB9163 The ACPI HSMP device (HID AMDI0097) on the Family 1Ah client platforms (Models 80h-8Fh and E0h-E3h) describes its mailbox the same way server platforms already do, via _CRS/_DSD, so hsmp_parse_acpi_table() and hsmp_get_uid() need no client-specific handling. Client firmware does not respond to the interface version query (HSMP_CLIENT_GET_INTERFACE_VER). Instead, query the metrics table version, as it is the only version-related request supported by the client firmware. Server-side behavior remains unchanged. Signed-off-by: Muralidhara M K --- drivers/platform/x86/amd/hsmp/acpi.c | 2 +- drivers/platform/x86/amd/hsmp/hsmp.c | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/amd/hsmp/acpi.c b/drivers/platform/x86/amd/hsmp/acpi.c index 8257cd1da48e..275258ee86bf 100644 --- a/drivers/platform/x86/amd/hsmp/acpi.c +++ b/drivers/platform/x86/amd/hsmp/acpi.c @@ -557,7 +557,7 @@ static int init_acpi(struct device *dev) return ret; } - if (hsmp_pdev->proto_ver >= HSMP_PROTO_VER6) { + if (is_client_platform() || hsmp_pdev->proto_ver >= HSMP_PROTO_VER6) { ret = hsmp_get_tbl_dram_base(sock_ind); if (ret) dev_info(dev, "Failed to init metric table\n"); diff --git a/drivers/platform/x86/amd/hsmp/hsmp.c b/drivers/platform/x86/amd/hsmp/hsmp.c index 60889c1b1099..f35a891772e0 100644 --- a/drivers/platform/x86/amd/hsmp/hsmp.c +++ b/drivers/platform/x86/amd/hsmp/hsmp.c @@ -196,12 +196,16 @@ static const struct hsmp_plat_desc hsmp_desc_server = { .metric_dram_msg = HSMP_GET_METRIC_TABLE_DRAM_ADDR, }; -/* The client drives a different mailbox with the Ryzen Master SMC message set */ +/* + * Client firmware queries the metrics table version instead of the + * interface version (HSMP_CLIENT_GET_INTERFACE_VER) to provide a unified + * interface across multiple client platforms. + */ static const struct hsmp_plat_desc hsmp_desc_client = { .msg_desc = hsmp_client_msg_desc_table, .num_msgs = HSMP_CLIENT_MSG_ID_MAX, .test_msg = HSMP_CLIENT_TEST, - .proto_ver_msg = HSMP_CLIENT_GET_INTERFACE_VER, + .proto_ver_msg = HSMP_CLIENT_GET_METRICS_TABLE_VER, .metric_tbl_msg = HSMP_CLIENT_GET_METRICS_TABLE, .metric_dram_msg = HSMP_CLIENT_GET_METRICS_TABLE_DRAM_ADDR, }; -- 2.34.1