@@ -339,6 +339,29 @@
This mode requires kvm-amd.avic=1.
(Default when IOMMU HW support is present.)
+ amd_pstate= [X86]
+ disable
+ Do not enable amd_pstate as the default
+ scaling driver for the supported processors
+ passive
+ Use amd_pstate with passive mode as a scaling driver.
+ In this mode autonomous selection is disabled.
+ Driver requests a desired performance level and platform
+ tires to match the same performance level (if it is
+ satisfied by guaranteed performance level).
+ active
+ Use amd_pstate_epp driver instance as the scaling driver,
+ driver provides a hint to the hardware if software wants
+ to bias toward performance (0x0) or energy efficiency (0xff)
+ to the CPPC firmware. then CPPC power algorithm will
+ calculate the runtime workload and adjust the realtime cores
+ frequency.
+ guided
+ Activate guided autonomous mode. Driver requests minimum and
+ maximum performance level and the platform autonomously
+ selects a performance level in this range and appropriate
+ to the current workload.
+
amijoy.map= [HW,JOY] Amiga joystick support
Map of devices attached to JOY0DAT and JOY1DAT
Format: <a>,<b>
@@ -7009,26 +7032,3 @@
memory, and other data can't be written using
xmon commands.
off xmon is disabled.
-
- amd_pstate= [X86]
- disable
- Do not enable amd_pstate as the default
- scaling driver for the supported processors
- passive
- Use amd_pstate with passive mode as a scaling driver.
- In this mode autonomous selection is disabled.
- Driver requests a desired performance level and platform
- tires to match the same performance level (if it is
- satisfied by guaranteed performance level).
- active
- Use amd_pstate_epp driver instance as the scaling driver,
- driver provides a hint to the hardware if software wants
- to bias toward performance (0x0) or energy efficiency (0xff)
- to the CPPC firmware. then CPPC power algorithm will
- calculate the runtime workload and adjust the realtime cores
- frequency.
- guided
- Activate guided autonomous mode. Driver requests minimum and
- maximum performance level and the platform autonomously
- selects a performance level in this range and appropriate
- to the current workload.
Move amd_pstate command line param description to correct alphabetical order. Signed-off-by: Wyes Karny <wyes.karny@amd.com> --- .../admin-guide/kernel-parameters.txt | 46 +++++++++---------- 1 file changed, 23 insertions(+), 23 deletions(-)