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| author | Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 16:52:20 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 16:52:20 -0800 |
| commit | bd86d2ea369be2e768b58cba590e70b8bdc6f86a (patch) | |
| tree | 4cd68e21041237c0a4d7e0299f9bb3eeb1ac1e2c /drivers/cpufreq/cppc_cpufreq.c | |
| parent | 19fa92fb72f8bc542f1673862058f3b078114004 (diff) | |
| parent | 5dc4c995db9eb45f6373a956eb1f69460e69e6d4 (diff) | |
| download | lwn-bd86d2ea369be2e768b58cba590e70b8bdc6f86a.tar.gz lwn-bd86d2ea369be2e768b58cba590e70b8bdc6f86a.zip | |
Sync with v6.2-rc4
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'drivers/cpufreq/cppc_cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cppc_cpufreq.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index 432dfb4e8027..022e3555407c 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -487,7 +487,8 @@ static unsigned int get_perf_level_count(struct cpufreq_policy *policy) cpu_data = policy->driver_data; perf_caps = &cpu_data->perf_caps; max_cap = arch_scale_cpu_capacity(cpu); - min_cap = div_u64(max_cap * perf_caps->lowest_perf, perf_caps->highest_perf); + min_cap = div_u64((u64)max_cap * perf_caps->lowest_perf, + perf_caps->highest_perf); if ((min_cap == 0) || (max_cap < min_cap)) return 0; return 1 + max_cap / CPPC_EM_CAP_STEP - min_cap / CPPC_EM_CAP_STEP; @@ -519,10 +520,10 @@ static int cppc_get_cpu_power(struct device *cpu_dev, cpu_data = policy->driver_data; perf_caps = &cpu_data->perf_caps; max_cap = arch_scale_cpu_capacity(cpu_dev->id); - min_cap = div_u64(max_cap * perf_caps->lowest_perf, - perf_caps->highest_perf); - - perf_step = CPPC_EM_CAP_STEP * perf_caps->highest_perf / max_cap; + min_cap = div_u64((u64)max_cap * perf_caps->lowest_perf, + perf_caps->highest_perf); + perf_step = div_u64((u64)CPPC_EM_CAP_STEP * perf_caps->highest_perf, + max_cap); min_step = min_cap / CPPC_EM_CAP_STEP; max_step = max_cap / CPPC_EM_CAP_STEP; |