cppc_set_enable(9)

💖 cppc_set_enable(9) — Kernel API Manual bestie check ✨

Okay so bestie, meet cppc_set_enable(9) from the Kernel API Manual. It’s giving tiny-but-iconic kernel function energy, and its whole thing is literally: set to enable CPPC on the processor by writing the Continuous Performance Control package EnableRegister field. No cap. 💅

✨ NAME ✨

cppc_set_enable — set to enable CPPC on the processor by writing the Continuous Performance Control package EnableRegister field. 🦋

🎀 SYNOPSIS 🎀

int cppc_set_enable (int cpu , bool enable );

🫶 ARGUMENTS 🫶

• cpu — CPU for which to enable CPPC register. 💻
• enable — 0 - disable, 1 - enable CPPC feature on the processor. 🔥

🌈 RETURN 🌈

It returns 0 for success, or -ERRNO or -EIO otherwise. 😭

🦋 SEE ALSO 🦋

Kernel file: ./drivers/acpi/cppc_acpi.c — and here’s the whole SEE ALSO squad, because we do not skip refs in this house, fr fr:

• acpi_get_psd_map(9)
• cpc_ffh_supported(9)
• cpc_supported_by_cpu(9)
• pcc_data_alloc(9)
• acpi_cppc_processor_probe(9)
• acpi_cppc_processor_exit(9)
• cpc_read_ffh(9)
• cpc_read_ffh_fb_ctrs(9)
• cpc_write_ffh(9)
• cppc_get_desired_perf(9)
• cppc_get_nominal_perf(9)
• cppc_get_highest_perf(9)
• cppc_get_epp_perf(9)
• cppc_get_perf_caps(9)
• cppc_perf_ctrs_in_pcc_cpu(9)
• cppc_perf_ctrs_in_pcc(9)
• cppc_get_perf_ctrs(9)
• cppc_set_epp(9)
• cppc_get_auto_act_window(9)
• cppc_set_auto_act_window(9)
• cppc_get_auto_sel(9)
• cppc_set_auto_sel(9)
• cppc_get_perf(9)
• cppc_set_perf(9)
• cppc_get_perf_limited(9)
• cppc_set_perf_limited(9)
• cppc_get_transition_latency(9)

Source/version ./drivers/acpi, dated October 2026 — mwah, love u, bye bestie 💋🎀✨