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cpufreq/amd-pstate: Drop cached epp_policy variable

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epp_policy is not used by any of the current code and there
is no need to cache it.

Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Link: https://lore.kernel.org/r/20241209185248.16301-6-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
This commit is contained in:
Mario Limonciello 2024-12-09 12:52:38 -06:00
parent 6c093d5a5b
commit 3b43739824
2 changed files with 0 additions and 5 deletions
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3
drivers/cpufreq/amd-pstate.c
View File

@ -1478,7 +1478,6 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy)
return -ENOMEM;
cpudata->cpu = policy->cpu;
cpudata->epp_policy = 0;
ret = amd_pstate_init_perf(cpudata);
if (ret)
@ -1585,8 +1584,6 @@ static int amd_pstate_epp_update_limit(struct cpufreq_policy *policy)
value &= ~AMD_CPPC_DES_PERF(~0L);
value |= AMD_CPPC_DES_PERF(0);
cpudata->epp_policy = cpudata->policy;
/* Get BIOS pre-defined epp value */
epp = amd_pstate_get_epp(cpudata, value);
if (epp < 0) {

2
drivers/cpufreq/amd-pstate.h
View File

@ -57,7 +57,6 @@ struct amd_aperf_mperf {
* @hw_prefcore: check whether HW supports preferred core featue.
* Only when hw_prefcore and early prefcore param are true,
* AMD P-State driver supports preferred core featue.
* @epp_policy: Last saved policy used to set energy-performance preference
* @epp_cached: Cached CPPC energy-performance preference value
* @policy: Cpufreq policy value
* @cppc_cap1_cached Cached MSR_AMD_CPPC_CAP1 register value
@ -94,7 +93,6 @@ struct amd_cpudata {
bool hw_prefcore;
/* EPP feature related attributes*/
s16 epp_policy;
s16 epp_cached;
u32 policy;
u64 cppc_cap1_cached;