diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2024-12-07 00:28:41 -0600 |
|---|---|---|
| committer | Mario Limonciello <mario.limonciello@amd.com> | 2025-03-06 13:01:25 -0600 |
| commit | f458cf79d73b144d900e0c274b9eb8a2f3641a0e (patch) | |
| tree | 426525b7a62abb03d5aa531d2e00e2cd04ee1960 | |
| parent | 6f0b13f16f7a214996a8a125080a6a99bda5d1f7 (diff) | |
cpufreq/amd-pstate: Drop `cppc_cap1_cached`
The `cppc_cap1_cached` variable isn't used at all, there is no
need to read it at initialization for each CPU.
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Reviewed-by: Dhananjay Ugwekar <dhananjay.ugwekar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 5 | ||||
| -rw-r--r-- | drivers/cpufreq/amd-pstate.h | 2 |
2 files changed, 0 insertions, 7 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 65714d510ce3..6f1a3056bcbd 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1508,11 +1508,6 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy) if (ret) return ret; WRITE_ONCE(cpudata->cppc_req_cached, value); - - ret = rdmsrl_on_cpu(cpudata->cpu, MSR_AMD_CPPC_CAP1, &value); - if (ret) - return ret; - WRITE_ONCE(cpudata->cppc_cap1_cached, value); } ret = amd_pstate_set_epp(cpudata, cpudata->epp_default); if (ret) diff --git a/drivers/cpufreq/amd-pstate.h b/drivers/cpufreq/amd-pstate.h index 83532a0079a8..1557e1afea79 100644 --- a/drivers/cpufreq/amd-pstate.h +++ b/drivers/cpufreq/amd-pstate.h @@ -76,7 +76,6 @@ struct amd_aperf_mperf { * AMD P-State driver supports preferred core featue. * @epp_cached: Cached CPPC energy-performance preference value * @policy: Cpufreq policy value - * @cppc_cap1_cached Cached MSR_AMD_CPPC_CAP1 register value * * The amd_cpudata is key private data for each CPU thread in AMD P-State, and * represents all the attributes and goals that AMD P-State requests at runtime. @@ -105,7 +104,6 @@ struct amd_cpudata { /* EPP feature related attributes*/ u8 epp_cached; u32 policy; - u64 cppc_cap1_cached; bool suspended; u8 epp_default; }; |