[AMD Official Use Only - General] > -----Original Message----- > From: Meng, Li (Jassmine) <Li.Meng@xxxxxxx> > Sent: Wednesday, November 29, 2023 2:55 PM > To: Rafael J . Wysocki <rafael.j.wysocki@xxxxxxxxx>; Huang, Ray > <Ray.Huang@xxxxxxx> > Cc: linux-pm@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; x86@xxxxxxxxxx; > linux-acpi@xxxxxxxxxxxxxxx; Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>; linux- > kselftest@xxxxxxxxxxxxxxx; Fontenot, Nathan <Nathan.Fontenot@xxxxxxx>; > Sharma, Deepak <Deepak.Sharma@xxxxxxx>; Deucher, Alexander > <Alexander.Deucher@xxxxxxx>; Limonciello, Mario > <Mario.Limonciello@xxxxxxx>; Huang, Shimmer > <Shimmer.Huang@xxxxxxx>; Yuan, Perry <Perry.Yuan@xxxxxxx>; Du, > Xiaojian <Xiaojian.Du@xxxxxxx>; Viresh Kumar <viresh.kumar@xxxxxxxxxx>; > Borislav Petkov <bp@xxxxxxxxx>; Oleksandr Natalenko > <oleksandr@xxxxxxxxxxxxxx>; Meng, Li (Jassmine) <Li.Meng@xxxxxxx>; > Karny, Wyes <Wyes.Karny@xxxxxxx> > Subject: [PATCH V11 7/7] Documentation: introduce amd-pstate preferrd core > mode kernel command line options > > amd-pstate driver support enable/disable preferred core. > Default enabled on platforms supporting amd-pstate preferred core. > Disable amd-pstate preferred core with > "amd_prefcore=disable" added to the kernel command line. > > Signed-off-by: Meng Li <li.meng@xxxxxxx> > Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx> > Reviewed-by: Wyes Karny <wyes.karny@xxxxxxx> > Reviewed-by: Huang Rui <ray.huang@xxxxxxx> > Tested-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> > --- > Documentation/admin-guide/kernel-parameters.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt > b/Documentation/admin-guide/kernel-parameters.txt > index 758bb25ea3e6..008bdfd63c22 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -363,6 +363,11 @@ > selects a performance level in this range and > appropriate > to the current workload. > > + amd_prefcore= > + [X86] > + disable > + Disable amd-pstate preferred core. > + > amijoy.map= [HW,JOY] Amiga joystick support > Map of devices attached to JOY0DAT and JOY1DAT > Format: <a>,<b> > -- > 2.34.1 Reviewed-by: Perry Yuan < perry.yuan@xxxxxxx>
