v2 The sequence should be opposite than what was submitted in v1. First enable core-power than enable turbo-freq and base-freq for the auto mode. Firmware may give error if the core-power feature is not enabled first. Also need to set the core_power property of thread siblings. Othewise it will be reset if user forgot to add those siblings as part of command line CPUs. Srinivas Pandruvada (3): tools/power/x86/intel-speed-select: Base-freq feature auto mode tools/power/x86/intel-speed-select: Turbo-freq feature auto mode tools/power/x86/intel-speed-select: Refuse to disable core-power when getting used .../x86/intel-speed-select/isst-config.c | 384 ++++++++++++++++-- .../power/x86/intel-speed-select/isst-core.c | 21 + 2 files changed, 368 insertions(+), 37 deletions(-) -- 2.17.2