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Wysocki" CC: , , , K Prateek Nayak , , Vishal Badole , Mario Limonciello Subject: [PATCH v2 2/3] cpufreq/acpi-cpufreq: Use amd_get_boost_ratio() Date: Tue, 1 Sep 2026 16:59:11 -0500 Message-ID: <20260901215913.3042182-3-mario.limonciello@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260901215913.3042182-1-mario.limonciello@amd.com> References: <20260901215913.3042182-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@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: MWH0EPF000A6735:EE_|PH8PR12MB8608:EE_ X-MS-Office365-Filtering-Correlation-Id: ca602832-f6f8-42be-6b16-08df08744b5d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700016|23010399003|82310400026|10067099003|56012099006|11063799006|22082099003|18002099003; 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)(1800799024)(376014)(36860700016)(23010399003)(82310400026)(10067099003)(56012099006)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: G3ZltZ9zjViBQ0c3PiVUWDebILsl5YtVDZuay0ynFuVeQcggIdno8pifeekYI8iSI37bseIGBk9IkJtjPyMxl8uQKbpOT6ar5PfcBu9jw+iKIehzL2rYco+PGCrvdodTtRhqCm2i50m8hx7o/KN2YGqIFZ87HtihNe9aJ/KM3cx/Nja8BLJ4XJHpsMbueC3HWDG3qqSKhrzopWPCmZ0WHTXk4y54su1ADcFpHAS9DxfKhNOj9eFwlGXKi+anwOIANvdysemM+8hAaUhe0YRH/aUJLCvFyQGeGlH3g57B1RCahsAGYKXKxn0eBKIgZeIB7u2NSKrkVnqKDmRcpMVEG+P1Rw/WC+1Mwa48J7/0bEYxx0T7g+HfqRnSdvFP3j1F8zUitW/jGl9BPCuTXnSgFrWbKQ+DVGBUmMzmnkdo8WlQVp/PJERbaZJceZO6T5Ca X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Sep 2026 21:59:28.2197 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ca602832-f6f8-42be-6b16-08df08744b5d 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: MWH0EPF000A6735.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB8608 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