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Thu, 8 Dec 2022 05:19:17 -0600 From: Perry Yuan To: , , , CC: , , , , , , , , Subject: [PATCH v7 03/13] cpufreq: intel_pstate: use common macro definition for Energy Preference Performance(EPP) Date: Thu, 8 Dec 2022 19:18:42 +0800 Message-ID: <20221208111852.386731-4-perry.yuan@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221208111852.386731-1-perry.yuan@amd.com> References: <20221208111852.386731-1-perry.yuan@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: DM6NAM11FT034:EE_|BY5PR12MB4918:EE_ X-MS-Office365-Filtering-Correlation-Id: 86ff73f6-9b05-42e8-6975-08dad90e0e21 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:(13230022)(4636009)(136003)(346002)(39860400002)(376002)(396003)(451199015)(40470700004)(36840700001)(46966006)(2906002)(36860700001)(83380400001)(40480700001)(16526019)(2616005)(41300700001)(1076003)(40460700003)(336012)(86362001)(82740400003)(36756003)(82310400005)(81166007)(110136005)(356005)(26005)(426003)(44832011)(5660300002)(8676002)(478600001)(8936002)(47076005)(4326008)(70206006)(186003)(70586007)(316002)(6666004)(7696005)(54906003)(36900700001);DIR:OUT;SFP:1101; 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This will simpify the intel_pstate and amd_pstate driver. Signed-off-by: Perry Yuan --- arch/x86/include/asm/msr-index.h | 4 --- drivers/cpufreq/intel_pstate.c | 37 +--------------------- include/linux/cpufreq_common.h | 53 ++++++++++++++++++++++++++++++++ 3 files changed, 54 insertions(+), 40 deletions(-) create mode 100644 include/linux/cpufreq_common.h diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 4a2af82553e4..3983378cff5b 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -472,10 +472,6 @@ #define HWP_MAX_PERF(x) ((x & 0xff) << 8) #define HWP_DESIRED_PERF(x) ((x & 0xff) << 16) #define HWP_ENERGY_PERF_PREFERENCE(x) (((unsigned long long) x & 0xff) << 24) -#define HWP_EPP_PERFORMANCE 0x00 -#define HWP_EPP_BALANCE_PERFORMANCE 0x80 -#define HWP_EPP_BALANCE_POWERSAVE 0xC0 -#define HWP_EPP_POWERSAVE 0xFF #define HWP_ACTIVITY_WINDOW(x) ((unsigned long long)(x & 0xff3) << 32) #define HWP_PACKAGE_CONTROL(x) ((unsigned long long)(x & 0x1) << 42) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index ad9be31753b6..1b842ed874ab 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -628,42 +629,6 @@ static int intel_pstate_set_epb(int cpu, s16 pref) return 0; } -/* - * EPP/EPB display strings corresponding to EPP index in the - * energy_perf_strings[] - * index String - *------------------------------------- - * 0 default - * 1 performance - * 2 balance_performance - * 3 balance_power - * 4 power - */ - -enum energy_perf_value_index { - EPP_INDEX_DEFAULT = 0, - EPP_INDEX_PERFORMANCE, - EPP_INDEX_BALANCE_PERFORMANCE, - EPP_INDEX_BALANCE_POWERSAVE, - EPP_INDEX_POWERSAVE, -}; - -static const char * const energy_perf_strings[] = { - [EPP_INDEX_DEFAULT] = "default", - [EPP_INDEX_PERFORMANCE] = "performance", - [EPP_INDEX_BALANCE_PERFORMANCE] = "balance_performance", - [EPP_INDEX_BALANCE_POWERSAVE] = "balance_power", - [EPP_INDEX_POWERSAVE] = "power", - NULL -}; -static unsigned int epp_values[] = { - [EPP_INDEX_DEFAULT] = 0, /* Unused index */ - [EPP_INDEX_PERFORMANCE] = HWP_EPP_PERFORMANCE, - [EPP_INDEX_BALANCE_PERFORMANCE] = HWP_EPP_BALANCE_PERFORMANCE, - [EPP_INDEX_BALANCE_POWERSAVE] = HWP_EPP_BALANCE_POWERSAVE, - [EPP_INDEX_POWERSAVE] = HWP_EPP_POWERSAVE, -}; - static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data, int *raw_epp) { s16 epp; diff --git a/include/linux/cpufreq_common.h b/include/linux/cpufreq_common.h new file mode 100644 index 000000000000..c1224e3bc68b --- /dev/null +++ b/include/linux/cpufreq_common.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/include/linux/cpufreq_common.h + * + * Copyright (C) 2022 Advanced Micro Devices, Inc. + * + * Author: Perry Yuan + */ + +#ifndef _LINUX_CPUFREQ_COMMON_H +#define _LINUX_CPUFREQ_COMMON_H +/* + * EPP/EPB display strings corresponding to EPP index in the + * energy_perf_strings[] + * index String + *------------------------------------- + * 0 default + * 1 performance + * 2 balance_performance + * 3 balance_power + * 4 power + */ + +#define HWP_EPP_PERFORMANCE 0x00 +#define HWP_EPP_BALANCE_PERFORMANCE 0x80 +#define HWP_EPP_BALANCE_POWERSAVE 0xC0 +#define HWP_EPP_POWERSAVE 0xFF + +enum energy_perf_value_index { + EPP_INDEX_DEFAULT = 0, + EPP_INDEX_PERFORMANCE, + EPP_INDEX_BALANCE_PERFORMANCE, + EPP_INDEX_BALANCE_POWERSAVE, + EPP_INDEX_POWERSAVE, +}; + +static const char * const energy_perf_strings[] = { + [EPP_INDEX_DEFAULT] = "default", + [EPP_INDEX_PERFORMANCE] = "performance", + [EPP_INDEX_BALANCE_PERFORMANCE] = "balance_performance", + [EPP_INDEX_BALANCE_POWERSAVE] = "balance_power", + [EPP_INDEX_POWERSAVE] = "power", + NULL +}; + +static unsigned int epp_values[] = { + [EPP_INDEX_DEFAULT] = 0, /* Unused index */ + [EPP_INDEX_PERFORMANCE] = HWP_EPP_PERFORMANCE, + [EPP_INDEX_BALANCE_PERFORMANCE] = HWP_EPP_BALANCE_PERFORMANCE, + [EPP_INDEX_BALANCE_POWERSAVE] = HWP_EPP_BALANCE_POWERSAVE, + [EPP_INDEX_POWERSAVE] = HWP_EPP_POWERSAVE, +}; +#endif /* _LINUX_CPUFREQ_COMMON_H */