From c5eadae39ccdf6bada95c834147e285e445b12ad Mon Sep 17 00:00:00 2001 From: Dhananjay Ugwekar Date: Wed, 23 Oct 2024 10:21:10 +0000 Subject: cpufreq/amd-pstate: Call cppc_set_epp_perf in the reenable function The EPP value being set in perf_ctrls.energy_perf is not being propagated to the shared memory, fix that. Signed-off-by: Dhananjay Ugwekar Reviewed-by: Perry Yuan Reviewed-by: Mario Limonciello --- drivers/cpufreq/amd-pstate.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1646,8 +1646,9 @@ static void amd_pstate_epp_reenable(stru wrmsrl_on_cpu(cpudata->cpu, MSR_AMD_CPPC_REQ, value); } else { perf_ctrls.max_perf = max_perf; - perf_ctrls.energy_perf = AMD_CPPC_ENERGY_PERF_PREF(cpudata->epp_cached); cppc_set_perf(cpudata->cpu, &perf_ctrls); + perf_ctrls.energy_perf = AMD_CPPC_ENERGY_PERF_PREF(cpudata->epp_cached); + cppc_set_epp_perf(cpudata->cpu, &perf_ctrls, 1); } } @@ -1688,8 +1689,9 @@ static void amd_pstate_epp_offline(struc } else { perf_ctrls.desired_perf = 0; perf_ctrls.max_perf = min_perf; - perf_ctrls.energy_perf = AMD_CPPC_ENERGY_PERF_PREF(HWP_EPP_BALANCE_POWERSAVE); cppc_set_perf(cpudata->cpu, &perf_ctrls); + perf_ctrls.energy_perf = AMD_CPPC_ENERGY_PERF_PREF(HWP_EPP_BALANCE_POWERSAVE); + cppc_set_epp_perf(cpudata->cpu, &perf_ctrls, 1); } mutex_unlock(&amd_pstate_limits_lock); }