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From: Wyes Karny <wyes.karny@amd.com>
To: Huang Rui <ray.huang@amd.com>
Cc: Rafael J Wysocki <rafael@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	"Limonciello, Mario" <Mario.Limonciello@amd.com>,
	"Yuan, Perry" <Perry.Yuan@amd.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	Bagas Sanjaya <bagasdotme@gmail.com>,
	"Shukla, Santosh" <Santosh.Shukla@amd.com>,
	Len Brown <lenb@kernel.org>,
	Robert Moore <robert.moore@intel.com>,
	Borislav Petkov <bp@alien8.de>,
	"Narayan, Ananth" <Ananth.Narayan@amd.com>,
	"Shenoy, Gautham Ranjal" <gautham.shenoy@amd.com>,
	Tor Vic <torvic9@mailbox.org>
Subject: Re: [PATCH v6 4/6] Documentation: amd_pstate: Move amd_pstate param to alphabetical order
Date: Thu, 16 Feb 2023 06:44:22 +0000	[thread overview]
Message-ID: <Y+3QxifmInvLA076@beas> (raw)
In-Reply-To: <Y+3ON855qAWNcuYE@amd.com>

On 16 Feb 14:33, Huang Rui wrote:
> On Thu, Feb 16, 2023 at 02:12:53PM +0800, Huang Rui wrote:
> > On Tue, Feb 07, 2023 at 01:21:55AM +0800, Karny, Wyes wrote:
> > > Move amd_pstate command line param description to correct alphabetical
> > > order.
> > > 
> > > Signed-off-by: Wyes Karny <wyes.karny@amd.com>
> > > Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
> > 
> > Wyes, could you squeeze this minor patch to patch 3? I think we won't need
> > an additional patch to fix alphabetical order in the documentation.
> 
> Alternative, you can move this patch prior patch3, then patch3 (guided
> autonomous" can add the documentation in correct order.

Sure, will reorder this.

Thanks,
Wyes
> 
> Thanks,
> Ray
> 
> > 
> > Thanks,
> > Ray
> > 
> > > ---
> > >  .../admin-guide/kernel-parameters.txt         | 46 +++++++++----------
> > >  1 file changed, 23 insertions(+), 23 deletions(-)
> > > 
> > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> > > index 56d5c189e458..d7685b4268ba 100644
> > > --- a/Documentation/admin-guide/kernel-parameters.txt
> > > +++ b/Documentation/admin-guide/kernel-parameters.txt
> > > @@ -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
> > > +			  tries 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
> > > -			  tries 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.
> > > -- 
> > > 2.34.1
> > > 

  reply	other threads:[~2023-02-16  6:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-06 17:21 [PATCH v6 0/6] amd_pstate: Add guided autonomous mode support Wyes Karny
2023-02-06 17:21 ` [PATCH v6 1/6] acpi: cppc: Add min and max perf reg writing support Wyes Karny
2023-02-15 13:08   ` Huang Rui
2023-02-06 17:21 ` [PATCH v6 2/6] acpi: cppc: Add auto select register read/write support Wyes Karny
2023-02-15 14:16   ` Huang Rui
2023-02-06 17:21 ` [PATCH v6 3/6] cpufreq: amd_pstate: Add guided autonomous mode Wyes Karny
2023-02-16  6:08   ` Huang Rui
2023-02-16  6:42     ` Wyes Karny
2023-02-06 17:21 ` [PATCH v6 4/6] Documentation: amd_pstate: Move amd_pstate param to alphabetical order Wyes Karny
2023-02-16  6:12   ` Huang Rui
2023-02-16  6:33     ` Huang Rui
2023-02-16  6:44       ` Wyes Karny [this message]
2023-02-06 17:21 ` [PATCH v6 5/6] cpufreq: amd_pstate: Add guided mode control support via sysfs Wyes Karny
2023-02-16  6:15   ` Huang Rui
2023-02-06 17:21 ` [PATCH v6 6/6] Documentation: amd_pstate: Update amd_pstate status sysfs for guided Wyes Karny
2023-02-16  6:17   ` Huang Rui

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