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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-02-09 19:49:37 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-02-09 19:49:37 +0100 |
| commit | ced3960aa0f09329675209c6004bfc4025cc1f26 (patch) | |
| tree | 48d73b9981d2669ab2282ccb2a9ee372737b4449 /include/linux | |
| parent | 918c5765a15420ad60730fbe5b5b67beb74ca7b6 (diff) | |
| parent | b9e6a2d47b2565eb450d3ee900fba49cc9b25cbd (diff) | |
Merge back cpufreq material for 6.3-rc1.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/amd-pstate.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h index 1c4b8659f171..f5f22418e64b 100644 --- a/include/linux/amd-pstate.h +++ b/include/linux/amd-pstate.h @@ -12,6 +12,11 @@ #include <linux/pm_qos.h> +#define AMD_CPPC_EPP_PERFORMANCE 0x00 +#define AMD_CPPC_EPP_BALANCE_PERFORMANCE 0x80 +#define AMD_CPPC_EPP_BALANCE_POWERSAVE 0xBF +#define AMD_CPPC_EPP_POWERSAVE 0xFF + /********************************************************************* * AMD P-state INTERFACE * *********************************************************************/ @@ -47,6 +52,10 @@ struct amd_aperf_mperf { * @prev: Last Aperf/Mperf/tsc count value read from register * @freq: current cpu frequency value * @boost_supported: check whether the Processor or SBIOS supports boost mode + * @epp_policy: Last saved policy used to set energy-performance preference + * @epp_cached: Cached CPPC energy-performance preference value + * @policy: Cpufreq policy value + * @cppc_cap1_cached Cached MSR_AMD_CPPC_CAP1 register value * * The amd_cpudata is key private data for each CPU thread in AMD P-State, and * represents all the attributes and goals that AMD P-State requests at runtime. @@ -72,6 +81,29 @@ struct amd_cpudata { u64 freq; bool boost_supported; + + /* EPP feature related attributes*/ + s16 epp_policy; + s16 epp_cached; + u32 policy; + u64 cppc_cap1_cached; + bool suspended; }; +/* + * enum amd_pstate_mode - driver working mode of amd pstate + */ +enum amd_pstate_mode { + AMD_PSTATE_DISABLE = 0, + AMD_PSTATE_PASSIVE, + AMD_PSTATE_ACTIVE, + AMD_PSTATE_MAX, +}; + +static const char * const amd_pstate_mode_string[] = { + [AMD_PSTATE_DISABLE] = "disable", + [AMD_PSTATE_PASSIVE] = "passive", + [AMD_PSTATE_ACTIVE] = "active", + NULL, +}; #endif /* _LINUX_AMD_PSTATE_H */ |