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| author | Alexei Starovoitov <ast@kernel.org> | 2024-10-24 18:45:59 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-10-24 18:47:28 -0700 |
| commit | bfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c (patch) | |
| tree | 751b70005cb6641c42e90191f35dac731459a6ec /drivers/cpufreq/amd-pstate.c | |
| parent | Merge branch 'share-user-memory-to-bpf-program-through-task-storage-map' (diff) | |
| parent | Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf (diff) | |
| download | linux-bfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c.tar.gz linux-bfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Cross-merge bpf fixes after downstream PR.
No conflicts.
Adjacent changes in:
include/linux/bpf.h
include/uapi/linux/bpf.h
kernel/bpf/btf.c
kernel/bpf/helpers.c
kernel/bpf/syscall.c
kernel/bpf/verifier.c
kernel/trace/bpf_trace.c
mm/slab_common.c
tools/include/uapi/linux/bpf.h
tools/testing/selftests/bpf/Makefile
Link: https://lore.kernel.org/all/20241024215724.60017-1-daniel@iogearbox.net/
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/cpufreq/amd-pstate.c')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 15e201d5e911..b63863f77c67 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -536,11 +536,16 @@ static int amd_pstate_verify(struct cpufreq_policy_data *policy) static int amd_pstate_update_min_max_limit(struct cpufreq_policy *policy) { - u32 max_limit_perf, min_limit_perf, lowest_perf; + u32 max_limit_perf, min_limit_perf, lowest_perf, max_perf; struct amd_cpudata *cpudata = policy->driver_data; - max_limit_perf = div_u64(policy->max * cpudata->highest_perf, cpudata->max_freq); - min_limit_perf = div_u64(policy->min * cpudata->highest_perf, cpudata->max_freq); + if (cpudata->boost_supported && !policy->boost_enabled) + max_perf = READ_ONCE(cpudata->nominal_perf); + else + max_perf = READ_ONCE(cpudata->highest_perf); + + max_limit_perf = div_u64(policy->max * max_perf, policy->cpuinfo.max_freq); + min_limit_perf = div_u64(policy->min * max_perf, policy->cpuinfo.max_freq); lowest_perf = READ_ONCE(cpudata->lowest_perf); if (min_limit_perf < lowest_perf) @@ -1201,11 +1206,21 @@ static int amd_pstate_register_driver(int mode) return -EINVAL; cppc_state = mode; + + ret = amd_pstate_enable(true); + if (ret) { + pr_err("failed to enable cppc during amd-pstate driver registration, return %d\n", + ret); + amd_pstate_driver_cleanup(); + return ret; + } + ret = cpufreq_register_driver(current_pstate_driver); if (ret) { amd_pstate_driver_cleanup(); return ret; } + return 0; } @@ -1496,10 +1511,13 @@ static int amd_pstate_epp_update_limit(struct cpufreq_policy *policy) u64 value; s16 epp; - max_perf = READ_ONCE(cpudata->highest_perf); + if (cpudata->boost_supported && !policy->boost_enabled) + max_perf = READ_ONCE(cpudata->nominal_perf); + else + max_perf = READ_ONCE(cpudata->highest_perf); min_perf = READ_ONCE(cpudata->lowest_perf); - max_limit_perf = div_u64(policy->max * cpudata->highest_perf, cpudata->max_freq); - min_limit_perf = div_u64(policy->min * cpudata->highest_perf, cpudata->max_freq); + max_limit_perf = div_u64(policy->max * max_perf, policy->cpuinfo.max_freq); + min_limit_perf = div_u64(policy->min * max_perf, policy->cpuinfo.max_freq); if (min_limit_perf < min_perf) min_limit_perf = min_perf; |