| /openbmc/linux/drivers/cpufreq/ |
| H A D | amd-pstate-ut.c | 124 u32 highest_perf = 0, nominal_perf = 0, lowest_nonlinear_perf = 0, lowest_perf = 0; in amd_pstate_ut_check_perf() local
145 nominal_perf = cppc_perf.nominal_perf; in amd_pstate_ut_check_perf()
157 nominal_perf = AMD_CPPC_NOMINAL_PERF(cap1); in amd_pstate_ut_check_perf()
163 (nominal_perf != READ_ONCE(cpudata->nominal_perf)) || in amd_pstate_ut_check_perf()
169 nominal_perf, cpudata->nominal_perf, in amd_pstate_ut_check_perf()
175 if (!((highest_perf >= nominal_perf) && in amd_pstate_ut_check_perf()
176 (nominal_perf > lowest_nonlinear_perf) && in amd_pstate_ut_check_perf()
181 __func__, cpu, highest_perf, nominal_perf, in amd_pstate_ut_check_perf()
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| H A D | amd-pstate.c | 354 WRITE_ONCE(cpudata->nominal_perf, AMD_CPPC_NOMINAL_PERF(cap1)); in pstate_init_perf()
377 WRITE_ONCE(cpudata->nominal_perf, cppc_perf.nominal_perf); in cppc_init_perf()
637 u32 max_perf, max_freq, nominal_freq, nominal_perf; in amd_get_max_freq() local
645 nominal_perf = READ_ONCE(cpudata->nominal_perf); in amd_get_max_freq()
649 nominal_perf); in amd_get_max_freq()
673 nominal_freq, nominal_perf; in amd_get_lowest_nonlinear_freq() local
681 nominal_perf = READ_ONCE(cpudata->nominal_perf); in amd_get_lowest_nonlinear_freq()
686 nominal_perf); in amd_get_lowest_nonlinear_freq()
721 u32 highest_perf, nominal_perf; in amd_pstate_boost_init() local
724 nominal_perf = READ_ONCE(cpudata->nominal_perf); in amd_pstate_boost_init()
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| H A D | acpi-cpufreq.c | 641 u64 highest_perf, nominal_perf; in get_max_boost_ratio() local
659 nominal_perf = perf_caps.nominal_perf; in get_max_boost_ratio()
664 if (!highest_perf || !nominal_perf) { in get_max_boost_ratio()
669 if (highest_perf < nominal_perf) { in get_max_boost_ratio()
674 return div_u64(highest_perf << SCHED_CAPACITY_SHIFT, nominal_perf); in get_max_boost_ratio()
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| H A D | cppc_cpufreq.c | 638 policy->max = cppc_perf_to_khz(caps, caps->nominal_perf); in cppc_cpufreq_cpu_init()
646 policy->cpuinfo.max_freq = cppc_perf_to_khz(caps, caps->nominal_perf); in cppc_cpufreq_cpu_init()
678 if (caps->highest_perf > caps->nominal_perf) in cppc_cpufreq_cpu_init()
826 policy->max = cppc_perf_to_khz(caps, caps->nominal_perf); in cppc_cpufreq_set_boost()
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| H A D | intel_pstate.c | 407 return cppc_perf.nominal_perf; in intel_pstate_get_cppc_guaranteed()
422 if (!ret && cppc_perf.nominal_perf && cppc_perf.nominal_freq && in intel_pstate_cppc_get_scaling()
423 cppc_perf.nominal_perf * 100 != cppc_perf.nominal_freq) in intel_pstate_cppc_get_scaling()
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| /openbmc/linux/arch/x86/kernel/acpi/ |
| H A D | cppc.c | 72 u64 highest_perf, nominal_perf; in amd_set_max_freq_ratio() local
83 nominal_perf = perf_caps.nominal_perf; in amd_set_max_freq_ratio()
85 if (!highest_perf || !nominal_perf) { in amd_set_max_freq_ratio()
90 perf_ratio = div_u64(highest_perf * SCHED_CAPACITY_SCALE, nominal_perf); in amd_set_max_freq_ratio()
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| /openbmc/linux/tools/power/cpupower/utils/helpers/ |
| H A D | amd.c | 200 unsigned long highest_perf, nominal_perf, cpuinfo_min, in amd_pstate_boost_init() local
204 nominal_perf = acpi_cppc_get_data(cpu, NOMINAL_PERF); in amd_pstate_boost_init()
206 *support = highest_perf > nominal_perf ? 1 : 0; in amd_pstate_boost_init()
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| /openbmc/linux/include/acpi/ |
| H A D | cppc_acpi.h | 108 u32 nominal_perf; member
143 extern int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf);
169 static inline int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf) in cppc_get_nominal_perf() argument
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| /openbmc/linux/Documentation/admin-guide/acpi/ |
| H A D | cppc_sysfs.rst | 36 -r--r--r-- 1 root root 65536 Mar 5 19:38 nominal_perf
41 * nominal_perf : Highest sustained performance of this processor
48 * nominal_freq : CPU frequency corresponding to nominal_perf (in MHz).
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| /openbmc/linux/drivers/acpi/ |
| H A D | cppc_acpi.c | 166 show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, nominal_perf);
207 &nominal_perf.attr,
1237 int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf) in cppc_get_nominal_perf() argument
1239 return cppc_get_perf(cpunum, NOMINAL_PERF, nominal_perf); in cppc_get_nominal_perf()
1324 perf_caps->nominal_perf = nom; in cppc_get_perf_caps()
1918 div = caps->nominal_perf; in cppc_perf_to_khz()
1921 div = caps->nominal_perf - caps->lowest_perf; in cppc_perf_to_khz()
1925 div64_u64(caps->nominal_perf * mul, div); in cppc_perf_to_khz()
1949 mul = caps->nominal_perf; in cppc_khz_to_perf()
1952 mul = caps->nominal_perf - caps->lowest_perf; in cppc_khz_to_perf()
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| /openbmc/linux/include/linux/ |
| H A D | amd-pstate.h | 73 u32 nominal_perf; member
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| /openbmc/linux/drivers/base/ |
| H A D | arch_topology.c | 366 (perf_caps.highest_perf >= perf_caps.nominal_perf) && in topology_init_cpu_capacity_cppc()
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| /openbmc/linux/Documentation/admin-guide/pm/ |
| H A D | amd-pstate.rst | 514 …| | || highest_perf >= nominal_perf > lowest_nonlinear_perf…
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