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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:37 +0000
commit94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch)
tree9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/cpufreq/Kconfig
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz
linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/cpufreq/Kconfig')
-rw-r--r--drivers/cpufreq/Kconfig29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 35efb53d54..94e55c4097 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -302,4 +302,33 @@ config QORIQ_CPUFREQ
which are capable of changing the CPU's frequency dynamically.
endif
+
+config ACPI_CPPC_CPUFREQ
+ tristate "CPUFreq driver based on the ACPI CPPC spec"
+ depends on ACPI_PROCESSOR
+ depends on ARM || ARM64 || RISCV
+ select ACPI_CPPC_LIB
+ help
+ This adds a CPUFreq driver which uses CPPC methods
+ as described in the ACPIv5.1 spec. CPPC stands for
+ Collaborative Processor Performance Controls. It
+ is based on an abstract continuous scale of CPU
+ performance values which allows the remote power
+ processor to flexibly optimize for power and
+ performance. CPPC relies on power management firmware
+ support for its operation.
+
+ If in doubt, say N.
+
+config ACPI_CPPC_CPUFREQ_FIE
+ bool "Frequency Invariance support for CPPC cpufreq driver"
+ depends on ACPI_CPPC_CPUFREQ && GENERIC_ARCH_TOPOLOGY
+ depends on ARM || ARM64 || RISCV
+ default y
+ help
+ This extends frequency invariance support in the CPPC cpufreq driver,
+ by using CPPC delivered and reference performance counters.
+
+ If in doubt, say N.
+
endmenu