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[0/2] Detect max performance values for heterogeneous AMD designs

Message ID 20241003213759.3038862-1-superm1@kernel.org (mailing list archive)
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Series Detect max performance values for heterogeneous AMD designs | expand

Message

Mario Limonciello Oct. 3, 2024, 9:37 p.m. UTC 
From: Mario Limonciello <mario.limonciello@amd.com>

AMD heterogeneous designs such as the Ryzen AI 300 series processors have
multiple core types that can reach different maximum clock values.

This series uses the CPUID Fn_0x80000026 to detect such designs and to
correct configure the boost numerator that is used to calculate maximum
frequency.

Mario Limonciello (1):
  CPPC: Use heterogeneous core topology for identifying boost numerator

Perry Yuan (1):
  x86/cpufeatures: Add feature bits for AMD heterogeneous processor

 arch/x86/include/asm/cpufeatures.h |  1 +
 arch/x86/include/asm/processor.h   | 13 +++++++++++++
 arch/x86/kernel/acpi/cppc.c        | 30 ++++++++++++++++++++++++++++++
 arch/x86/kernel/cpu/amd.c          | 29 +++++++++++++++++++++++++++++
 arch/x86/kernel/cpu/scattered.c    |  1 +
 5 files changed, 74 insertions(+)