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Tue, 7 Mar 2023 05:29:30 -0600 From: Wyes Karny To: Rafael J Wysocki , Huang Rui , Jonathan Corbet , Viresh Kumar , , CC: , , , Bagas Sanjaya , , Len Brown , Robert Moore , Borislav Petkov , Ananth Narayan , , Tor Vic , Russell Haley , Wyes Karny , Mario Limonciello , Oleksandr Natalenko Subject: [PATCH v8 3/6] Documentation: cpufreq: amd-pstate: Move amd_pstate param to alphabetical order Date: Tue, 7 Mar 2023 11:27:37 +0000 Message-ID: <20230307112740.132338-4-wyes.karny@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230307112740.132338-1-wyes.karny@amd.com> References: <20230307112740.132338-1-wyes.karny@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT009:EE_|SJ0PR12MB6808:EE_ X-MS-Office365-Filtering-Correlation-Id: fe3369cc-bad3-42b0-2467-08db1eff3b9d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Acked-by: Huang Rui Reviewed-by: Mario Limonciello Tested-by: Oleksandr Natalenko Signed-off-by: Wyes Karny --- .../admin-guide/kernel-parameters.txt | 35 ++++++++++--------- 1 file changed, 18 insertions(+), 17 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6221a1d057dd..1e38f3ae0e62 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -339,6 +339,24 @@ This mode requires kvm-amd.avic=1. (Default when IOMMU HW support is present.) + amd_pstate= [X86] + disable + Do not enable amd_pstate as the default + scaling driver for the supported processors + passive + Use amd_pstate as a scaling driver, driver requests a + desired performance on this abstract scale and the power + management firmware translates the requests into actual + hardware states (core frequency, data fabric and memory + clocks etc.) + active + Use amd_pstate_epp driver instance as the scaling driver, + driver provides a hint to the hardware if software wants + to bias toward performance (0x0) or energy efficiency (0xff) + to the CPPC firmware. then CPPC power algorithm will + calculate the runtime workload and adjust the realtime cores + frequency. + amijoy.map= [HW,JOY] Amiga joystick support Map of devices attached to JOY0DAT and JOY1DAT Format: , @@ -7059,20 +7077,3 @@ xmon commands. off xmon is disabled. - amd_pstate= [X86] - disable - Do not enable amd_pstate as the default - scaling driver for the supported processors - passive - Use amd_pstate as a scaling driver, driver requests a - desired performance on this abstract scale and the power - management firmware translates the requests into actual - hardware states (core frequency, data fabric and memory - clocks etc.) - active - Use amd_pstate_epp driver instance as the scaling driver, - driver provides a hint to the hardware if software wants - to bias toward performance (0x0) or energy efficiency (0xff) - to the CPPC firmware. then CPPC power algorithm will - calculate the runtime workload and adjust the realtime cores - frequency.