diff options
| author | Sumit Gupta <sumitg@nvidia.com> | 2026-02-06 19:56:56 +0530 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-02-27 20:50:42 +0100 |
| commit | ea3db45ae476889a1ba0ab3617e6afdeeefbda3d (patch) | |
| tree | a98931b7074bba7ba3b67dc1fdf02d0b2124664d /include | |
| parent | 24ad4c6c136bdaa4c92c5c5948856752ce3e9f76 (diff) | |
cpufreq: cppc: Update MIN_PERF/MAX_PERF in target callbacks
Update MIN_PERF and MAX_PERF registers from policy->min and policy->max
in the .target() and .fast_switch() callbacks. This allows controlling
performance bounds via standard scaling_min_freq and scaling_max_freq
sysfs interfaces.
Similar to intel_cpufreq which updates HWP min/max limits in .target(),
cppc_cpufreq now programs MIN_PERF/MAX_PERF along with DESIRED_PERF.
Since MIN_PERF/MAX_PERF can be updated even when auto_sel is disabled,
they are updated unconditionally.
Also program MIN_PERF/MAX_PERF in store_auto_select() when enabling
autonomous selection so the platform uses correct bounds immediately.
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Link: https://patch.msgid.link/20260206142658.72583-6-sumitg@nvidia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions