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Wysocki" CC: , , , K Prateek Nayak , , Vishal Badole , Mario Limonciello Subject: [PATCH 2/3] cpufreq/acpi-cpufreq: Use amd_get_boost_ratio() Date: Mon, 31 Aug 2026 14:44:27 -0500 Message-ID: <20260831194428.2287055-3-mario.limonciello@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260831194428.2287055-1-mario.limonciello@amd.com> References: <20260831194428.2287055-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-pm@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: BY1PEPF0001AE16:EE_|LV2PR12MB541025:EE_ X-MS-Office365-Filtering-Correlation-Id: ff4ff54a-c7b1-4a23-d95a-08df079863fc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|23010399003|1800799024|376014|18002099003|22082099003|56012099006|11063799006|10067099003; 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:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700016)(82310400026)(23010399003)(1800799024)(376014)(18002099003)(22082099003)(56012099006)(11063799006)(10067099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: REzdPUAEBEyxUgjNPQgGtfnSVrrwYEKtrRUDEJp7hwiFN4tUFmGhxehABi4HKyQcmA4xZYYLkRRawQSsU9cwN1pIZghzMEgvXjF5j7G+dzsR00ejCOTybihUtGW6Jc5zGTZf+DxLU3yEYxseizvE2E9ju4mZEYvbUKvuGrkns0yQVbARo71C3rOOTvAS1Hz5/d8cewMgF3IiNz41OkETgGSNHDzYE1WNkwHGueUEll1btep4TQR6YBGdZmJ5AMidxSN/ro0Rnro/WukYF0QvEOiu7vy6Hy8/gfZ3M/4enIhWXuHPGEOVaiLbtv+JNfpC/57axgxf5J/OySKMs7oB815XzwXqGo7efHg1sBA18i3f7oskHEwfFA32/KvuRZLKJ6j1Bv6lNxslVRtyuCLC2stgHJzP4X/no7L59vs7p7Qa1Izqy4slGQSRyeOt9feg X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Aug 2026 19:45:20.2551 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ff4ff54a-c7b1-4a23-d95a-08df079863fc 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: BY1PEPF0001AE16.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB541025 Update get_max_boost_ratio() to use the new amd_get_boost_ratio() helper function instead of calling amd_get_effective_highest_perf() directly. This ensures the boost ratio is calculated correctly on systems where frequency values should be used instead of performance values. Reviewed-by: K Prateek Nayak Tested-by: K Prateek Nayak Signed-off-by: Mario Limonciello --- drivers/cpufreq/acpi-cpufreq.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 523ee1a06ef8a..2e74a000cdc74 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -626,7 +626,7 @@ static int acpi_cpufreq_blacklist(struct cpuinfo_x86 *c) static u64 get_max_boost_ratio(unsigned int cpu, u64 *nominal_freq) { struct cppc_perf_caps perf_caps; - u64 highest_perf, nominal_perf; + u64 numerator, denominator; int ret; if (acpi_pstate_strict) @@ -640,33 +640,31 @@ static u64 get_max_boost_ratio(unsigned int cpu, u64 *nominal_freq) } if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { - ret = amd_get_effective_highest_perf(cpu); - if (ret < 0) { - pr_debug("CPU%d: Unable to get boost ratio numerator (%d)\n", + ret = amd_get_boost_ratio(cpu, &numerator, &denominator); + if (ret) { + pr_debug("CPU%d: Unable to get boost ratio (%d)\n", cpu, ret); return 0; } - highest_perf = ret; } else { - highest_perf = perf_caps.highest_perf; + numerator = perf_caps.highest_perf; + denominator = perf_caps.nominal_perf; } - nominal_perf = perf_caps.nominal_perf; - if (nominal_freq) *nominal_freq = perf_caps.nominal_freq * 1000; - if (!highest_perf || !nominal_perf) { + if (!numerator || !denominator) { pr_debug("CPU%d: highest or nominal performance missing\n", cpu); return 0; } - if (highest_perf < nominal_perf) { + if (numerator < denominator) { pr_debug("CPU%d: nominal performance above highest\n", cpu); return 0; } - return div_u64(highest_perf << SCHED_CAPACITY_SHIFT, nominal_perf); + return div_u64(numerator << SCHED_CAPACITY_SHIFT, denominator); } #else -- 2.43.0