alt Hacker NewsNot true, CPU frequency scaling (apmd, cpu.setperf/perfpolicy) is supported on many ARM machines, including the ThinkPad X13s, Apple M1/M2 Silicon, Raspberry Pi 4 (but may depend on whether using EDK2 or U-Boot firmware).
Support for Snapdragon X Elite machines was added as recently as last month, even..
Then I stand corrected. Seems I've had the misfortune of buying only the Arm SoCs/boards where OpenBSD so far cannot control the CPU frequency.