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Wysocki" , Viresh Kumar , Shuah Khan , "Borislav Petkov" , Peter Zijlstra , Ingo Molnar , Giovanni Gherdovich , CC: Deepak Sharma , Alex Deucher , Mario Limonciello , Steven Noonan , Nathan Fontenot , Jinzhou Su , Xiaojian Du , , , Huang Rui Subject: [PATCH v5 15/22] cpupower: initial AMD P-state capability Date: Tue, 30 Nov 2021 20:36:34 +0800 Message-ID: <20211130123641.1449041-16-ray.huang@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211130123641.1449041-1-ray.huang@amd.com> References: <20211130123641.1449041-1-ray.huang@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 41666914-3079-4723-28a9-08d9b3fe447f X-MS-TrafficTypeDiagnostic: DM8PR12MB5494: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1923; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(36840700001)(46966006)(40470700001)(7416002)(86362001)(508600001)(1076003)(70586007)(356005)(2906002)(2616005)(36756003)(47076005)(70206006)(6666004)(8936002)(81166007)(5660300002)(26005)(426003)(36860700001)(82310400004)(16526019)(336012)(4326008)(8676002)(186003)(110136005)(316002)(7696005)(40460700001)(54906003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2021 12:38:10.1455 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 41666914-3079-4723-28a9-08d9b3fe447f 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: BN8NAM11FT006.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM8PR12MB5494 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If kernel starts the amd-pstate module, the cpupower will initial the capability flag as CPUPOWER_CAP_AMD_PSTATE. And once amd-pstate capability is set, it won't need to set legacy ACPI relative capabilities anymore. Signed-off-by: Huang Rui --- tools/power/cpupower/utils/helpers/cpuid.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index 72eb43593180..2a6dc104e76b 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -149,6 +149,19 @@ int get_cpu_info(struct cpupower_cpu_info *cpu_info) if (ext_cpuid_level >= 0x80000008 && cpuid_ebx(0x80000008) & (1 << 4)) cpu_info->caps |= CPUPOWER_CAP_AMD_RDPRU; + + if (cpupower_amd_pstate_enabled()) { + cpu_info->caps |= CPUPOWER_CAP_AMD_PSTATE; + + /* + * If AMD P-state is enabled, the firmware will treat + * AMD P-state function as high priority. + */ + cpu_info->caps &= ~CPUPOWER_CAP_AMD_CPB; + cpu_info->caps &= ~CPUPOWER_CAP_AMD_CPB_MSR; + cpu_info->caps &= ~CPUPOWER_CAP_AMD_HW_PSTATE; + cpu_info->caps &= ~CPUPOWER_CAP_AMD_PSTATEDEF; + } } if (cpu_info->vendor == X86_VENDOR_INTEL) { -- 2.25.1