Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-25 13:41:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

cpufreq/amd-pstate: Call cppc_set_epp_perf in the reenable function

Browse Source 
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 <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Perry Yuan <perry.yuan@amd.com>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Link: https://lore.kernel.org/r/20241023102108.5980-4-Dhananjay.Ugwekar@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
This commit is contained in:
Dhananjay Ugwekar 2024-10-23 10:21:10 +00:00 committed by Mario Limonciello
parent 73070a9169
commit 796ff50e12
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/cpufreq/amd-pstate.c
View File

@ -1616,8 +1616,9 @@ static void amd_pstate_epp_reenable(struct amd_cpudata *cpudata)
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);
}
}
@ -1658,8 +1659,9 @@ static void amd_pstate_epp_offline(struct cpufreq_policy *policy)
} 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);
}