1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 81c287fad79d..c6a56d8b901c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1035,6 +1035,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         By default, super page will be supported if Intel IOMMU
                         has the capability. With this option, super page will
                         not be supported.
+
+        intel_idle.max_cstate=  [KNL,HW,ACPI,X86]
+                        0       disables intel_idle and fall back on acpi_idle.
+                        1 to 6  specify maximum depth of C-state.
+
         intremap=       [X86-64, Intel-IOMMU]
                         on      enable Interrupt Remapping (default)
                         off     disable Interrupt Remapping