diff options
| author | Wyes Karny <wyes.karny@amd.com> | 2023-06-19 19:05:02 +0000 |
|---|---|---|
| committer | Shuah Khan <skhan@linuxfoundation.org> | 2023-07-18 16:06:56 -0600 |
| commit | df8776b03689987e3239f3c010b6dc6ab4185d30 (patch) | |
| tree | 1812288f1136c673c8a056140599441d1230b2a0 /tools/power/cpupower/utils/helpers/helpers.h | |
| parent | f2ab5557119a5ccd0ceaf7ecdca00ab782cd76c5 (diff) | |
cpupower: Add support for amd_pstate mode change
amd_pstate supports changing of its mode dynamically via `status` sysfs
file. Add the same capability in cpupower. To change the mode to active
mode use below command:
cpupower set --amd-pstate-mode active
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Tested-by: Perry Yuan <Perry.Yuan@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools/power/cpupower/utils/helpers/helpers.h')
| -rw-r--r-- | tools/power/cpupower/utils/helpers/helpers.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index 5d998de2d291..d35596631eef 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -117,6 +117,7 @@ extern int cpupower_intel_get_perf_bias(unsigned int cpu); extern unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu); extern int cpupower_set_epp(unsigned int cpu, char *epp); +extern int cpupower_set_amd_pstate_mode(char *mode); /* Read/Write msr ****************************/ @@ -177,6 +178,8 @@ static inline unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu) static inline int cpupower_set_epp(unsigned int cpu, char *epp) { return -1; }; +static inline int cpupower_set_amd_pstate_mode(char *mode) +{ return -1; }; /* Read/Write msr ****************************/ |