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| author | Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com> | 2024-10-23 10:21:10 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-21 14:01:39 +0100 |
| commit | 31c1cc82da48df66fc9474c9d429f9e9e8d5c5dc (patch) | |
| tree | 372eae9238e2a58a1961810a539cb3b472e446a3 /drivers/cpufreq | |
| parent | 86f563c7431a6f98f4b37b1bd653004e08ce4b1b (diff) | |
| download | linux-31c1cc82da48df66fc9474c9d429f9e9e8d5c5dc.tar.gz linux-31c1cc82da48df66fc9474c9d429f9e9e8d5c5dc.tar.bz2 linux-31c1cc82da48df66fc9474c9d429f9e9e8d5c5dc.zip | |
cpufreq/amd-pstate: Call cppc_set_epp_perf in the reenable function
[ Upstream commit 796ff50e127af8362035f87ba29b6b84e2dd9742 ]
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>
Stable-dep-of: 3ace20038e19 ("cpufreq/amd-pstate: Fix cpufreq_policy ref counting")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 91d3c3b1c2d3..161334937090 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1594,8 +1594,9 @@ 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); } } @@ -1636,8 +1637,9 @@ 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); } |