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amd-pstate 6.18 content 10/15/25

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Fix for EPP value in wrong state after S4
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Merge tag 'amd-pstate-v6.18-2025-10-15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux

Pull amd-pstate 6.18 content (10/15/25) from Mario Limonciello:

"Fix for EPP value in wrong state after S4"

* tag 'amd-pstate-v6.18-2025-10-15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux:
  cpufreq/amd-pstate: Fix a regression leading to EPP 0 after hibernate
This commit is contained in:
Rafael J. Wysocki 2025-10-18 14:42:39 +02:00
commit 673e75ea55
1 changed files with 5 additions and 1 deletions
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6
drivers/cpufreq/amd-pstate.c
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@ -1614,7 +1614,11 @@ static int amd_pstate_cpu_offline(struct cpufreq_policy *policy)
* min_perf value across kexec reboots. If this CPU is just onlined normally after this, the
* limits, epp and desired perf will get reset to the cached values in cpudata struct
*/
return amd_pstate_update_perf(policy, perf.bios_min_perf, 0U, 0U, 0U, false);
return amd_pstate_update_perf(policy, perf.bios_min_perf,
FIELD_GET(AMD_CPPC_DES_PERF_MASK, cpudata->cppc_req_cached),
FIELD_GET(AMD_CPPC_MAX_PERF_MASK, cpudata->cppc_req_cached),
FIELD_GET(AMD_CPPC_EPP_PERF_MASK, cpudata->cppc_req_cached),
false);
}
static int amd_pstate_suspend(struct cpufreq_policy *policy)