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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-10-18 12:26:11 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-10-18 12:26:11 +0200
commitd1551f7a5aed809bb1e912da9faf36927e739ca0 (patch)
tree742c7c347173f501c401f74d731f513f9a5533dc /Documentation
parent41fd838cda4ca3e2c87820efc18e04c88fe4b12d (diff)
parenta3ade38d5a8b101eed7b8ebfd427534404943b8a (diff)
Merge branch 'pm-cpufreq'
* pm-cpufreq: cpufreq: tegra186: don't pass GFP_DMA32 to dma_alloc_coherent() cpufreq: conservative: Take limits changes into account properly Documentation: intel_pstate: Add base_frequency information cpufreq: intel_pstate: Add base_frequency attribute ACPI / CPPC: Add support for guaranteed performance cpufreq: imx6q: read OCOTP through nvmem for imx6ul/imx6ull cpufreq: dt-platdev: allow RK3399 to have separate tunables per cluster cpufreq / CPPC: Mark acpi_ids as used cpufreq: dt: Add support for r8a7744 cpufreq: Convert to using %pOFn instead of device_node.name cpufreq: remove unnecessary unlikely()
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/pm/intel_pstate.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index 8f1d3de449b5..ac6f5c597a56 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -465,6 +465,13 @@ Next, the following policy attributes have special meaning if
policy for the time interval between the last two invocations of the
driver's utilization update callback by the CPU scheduler for that CPU.
+One more policy attribute is present if the `HWP feature is enabled in the
+processor <Active Mode With HWP_>`_:
+
+``base_frequency``
+ Shows the base frequency of the CPU. Any frequency above this will be
+ in the turbo frequency range.
+
The meaning of these attributes in the `passive mode <Passive Mode_>`_ is the
same as for other scaling drivers.