diff options
Diffstat (limited to 'drivers/cpufreq/amd-pstate.c')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 9db5354fdb02..62dbc5701e99 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -482,6 +482,9 @@ static void amd_pstate_update(struct amd_cpudata *cpudata, u32 min_perf, u32 nominal_perf = READ_ONCE(cpudata->nominal_perf); u64 value = prev; + if (!policy) + return; + min_perf = clamp_t(unsigned long, min_perf, cpudata->min_limit_perf, cpudata->max_limit_perf); max_perf = clamp_t(unsigned long, max_perf, cpudata->min_limit_perf, @@ -696,7 +699,6 @@ static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state) pr_err("Boost mode is not supported by this processor or SBIOS\n"); return -EOPNOTSUPP; } - guard(mutex)(&amd_pstate_driver_lock); ret = amd_pstate_cpu_boost_update(policy, state); WRITE_ONCE(cpudata->boost_state, !ret ? state : false); |