[PATCH 0/3] Zen6 client CPPC

From: Mario Limonciello

Date: Mon Aug 31 2026 - 16:30:06 EST


Zen6 client platforms use CPPC differently than previous platforms
and knowing maximum frequency for a core type is needed for capacity
calculations.

Newer versions of the ACPI will introduce a proper interface
for getting this information, but for now hardcode values so that
these systems perform as intended and to unblock future scheduler
work while we continue to wait.

Mario Limonciello (3):
ACPI: CPPC: Refactor boost ratio handling
cpufreq/acpi-cpufreq: Use amd_get_boost_ratio()
cpufreq/amd-pstate: Get Highest Freq for a CPU

arch/x86/kernel/acpi/cppc.c | 174 ++++++++++++++++++++++-----------
drivers/cpufreq/acpi-cpufreq.c | 17 ++--
drivers/cpufreq/amd-pstate.c | 22 +++--
include/acpi/cppc_acpi.h | 14 ++-
4 files changed, 154 insertions(+), 73 deletions(-)

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2.43.0