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authorThomas Zimmermann <tzimmermann@suse.de>2023-01-31 14:18:33 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2023-01-31 14:18:33 +0100
commitdf5bf3b942a8d344bd9cbbe6ac31c9a2ea1557a4 (patch)
treebfbcbe56b9f4f8b1e44242b80800a68b2ae5b2d6 /drivers/cpufreq/cppc_cpufreq.c
parent532a38292c7213aa6d950e6a1b86659d08b5aa67 (diff)
parentaebd8f0c6f8280ba35bc989f4a9ea47469d3589a (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.2-rc6. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/cpufreq/cppc_cpufreq.c')
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c11
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;