diff options
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index e5db731618e8..df42a2d22225 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -336,6 +336,7 @@ static int shmem_set_epp(struct cpufreq_policy *policy, u8 epp) { struct amd_cpudata *cpudata = policy->driver_data; struct cppc_perf_ctrls perf_ctrls; + u64 value; int ret; if (trace_amd_pstate_epp_perf_enabled()) { @@ -362,6 +363,11 @@ static int shmem_set_epp(struct cpufreq_policy *policy, u8 epp) } WRITE_ONCE(cpudata->epp_cached, epp); + value = READ_ONCE(cpudata->cppc_req_cached); + value &= ~AMD_CPPC_EPP_PERF_MASK; + value |= FIELD_PREP(AMD_CPPC_EPP_PERF_MASK, epp); + WRITE_ONCE(cpudata->cppc_req_cached, value); + return ret; } |