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| author | Mario Limonciello <mario.limonciello@amd.com> | 2024-10-12 19:45:19 +0200 |
|---|---|---|
| committer | Mario Limonciello <mario.limonciello@amd.com> | 2024-10-28 20:54:35 +0100 |
| commit | 508239724bdddf34482c4d134262f2292c1c78f0 (patch) | |
| tree | 961b1a36d92a03796582a11e385c00f0e0e9e465 /drivers/cpufreq | |
| parent | cpufreq/amd-pstate: Use amd_pstate_update_min_max_limit() for EPP limits (diff) | |
| download | linux-508239724bdddf34482c4d134262f2292c1c78f0.tar.xz linux-508239724bdddf34482c4d134262f2292c1c78f0.zip | |
cpufreq/amd-pstate: Drop needless EPP initialization
The EPP value doesn't need to be cached to the CPPC request in
amd_pstate_epp_update_limit() because it's passed as an argument
at the end to amd_pstate_set_epp() and stored at that time.
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Reviewed-by: Perry Yuan <perry.yuan@amd.com>
Tested-by: Dhananjay Ugwekar <dhananjay.ugwekar@amd.com>
Link: https://lore.kernel.org/r/20241012174519.897-4-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 8d2541f2c74b..90868c8b214e 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1528,12 +1528,6 @@ static int amd_pstate_epp_update_limit(struct cpufreq_policy *policy) if (cpudata->policy == CPUFREQ_POLICY_PERFORMANCE) epp = 0; - /* Set initial EPP value */ - if (cpu_feature_enabled(X86_FEATURE_CPPC)) { - value &= ~GENMASK_ULL(31, 24); - value |= (u64)epp << 24; - } - WRITE_ONCE(cpudata->cppc_req_cached, value); return amd_pstate_set_epp(cpudata, epp); } |