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Peter Anvin" , Tom Lendacky , Perry Yuan , Mario Limonciello , Jane Malalane , "Kim Phillips" , Tony Luck , CC: , , , Subject: [PATCH] cpufreq: amd_pstate: fix the highest perf query for new AMD processors Date: Mon, 13 Jun 2022 23:52:28 -0400 Message-ID: <20220614035229.170852-1-Perry.Yuan@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: 15331d75-0b86-473f-b1cb-08da4db9abce X-MS-TrafficTypeDiagnostic: CY4PR1201MB2517:EE_ X-Microsoft-Antispam-PRVS: 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:(13230016)(4636009)(40470700004)(46966006)(36840700001)(86362001)(36756003)(8676002)(4326008)(82310400005)(5660300002)(8936002)(356005)(7416002)(110136005)(70206006)(81166007)(4744005)(508600001)(70586007)(316002)(2906002)(40460700003)(36860700001)(186003)(47076005)(54906003)(2616005)(7696005)(1076003)(83380400001)(336012)(16526019)(426003)(26005)(921005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jun 2022 03:55:07.2459 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 15331d75-0b86-473f-b1cb-08da4db9abce 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: BN8NAM11FT027.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1201MB2517 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In order to get the corrent highest perf for some new AMD processors, the amd_get_highest_perf() call will check the CPU model and return correct highest perf value. Signed-off-by: Perry Yuan Reviewed-by: Mario Limonciello --- arch/x86/kernel/cpu/amd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 0c0b09796ced..ff2075f26ef4 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1152,7 +1152,8 @@ u32 amd_get_highest_perf(void) struct cpuinfo_x86 *c =3D &boot_cpu_data; =20 if (c->x86 =3D=3D 0x17 && ((c->x86_model >=3D 0x30 && c->x86_model < 0x40= ) || - (c->x86_model >=3D 0x70 && c->x86_model < 0x80))) + (c->x86_model >=3D 0x70 && c->x86_model < 0x80) || + (c->x86_model >=3D 0xa0 && c->x86_model < 0xb0))) return 166; =20 if (c->x86 =3D=3D 0x19 && ((c->x86_model >=3D 0x20 && c->x86_model < 0x30= ) || --=20 2.25.1