From: "Yuan, Perry" <Perry.Yuan@amd.com>
To: "Huang, Ray" <Ray.Huang@amd.com>
Cc: "rafael.j.wysocki@intel.com" <rafael.j.wysocki@intel.com>,
"Limonciello, Mario" <Mario.Limonciello@amd.com>,
"viresh.kumar@linaro.org" <viresh.kumar@linaro.org>,
"Sharma, Deepak" <Deepak.Sharma@amd.com>,
"Fontenot, Nathan" <Nathan.Fontenot@amd.com>,
"Deucher, Alexander" <Alexander.Deucher@amd.com>,
"Huang, Shimmer" <Shimmer.Huang@amd.com>,
"Du, Xiaojian" <Xiaojian.Du@amd.com>,
"Meng, Li (Jassmine)" <Li.Meng@amd.com>,
"Karny, Wyes" <Wyes.Karny@amd.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v8 03/13] cpufreq: intel_pstate: use common macro definition for Energy Preference Performance(EPP)
Date: Fri, 23 Dec 2022 03:12:32 +0000 [thread overview]
Message-ID: <DM4PR12MB5278141DE955B00DAC4F849E9CE99@DM4PR12MB5278.namprd12.prod.outlook.com> (raw)
In-Reply-To: <Y6UcIBWKlYsUOybH@amd.com>
[AMD Official Use Only - General]
> -----Original Message-----
> From: Huang, Ray <Ray.Huang@amd.com>
> Sent: Friday, December 23, 2022 11:10 AM
> To: Yuan, Perry <Perry.Yuan@amd.com>
> Cc: rafael.j.wysocki@intel.com; Limonciello, Mario
> <Mario.Limonciello@amd.com>; viresh.kumar@linaro.org; Sharma, Deepak
> <Deepak.Sharma@amd.com>; Fontenot, Nathan
> <Nathan.Fontenot@amd.com>; Deucher, Alexander
> <Alexander.Deucher@amd.com>; Huang, Shimmer
> <Shimmer.Huang@amd.com>; Du, Xiaojian <Xiaojian.Du@amd.com>; Meng,
> Li (Jassmine) <Li.Meng@amd.com>; Karny, Wyes <Wyes.Karny@amd.com>;
> linux-pm@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v8 03/13] cpufreq: intel_pstate: use common macro
> definition for Energy Preference Performance(EPP)
>
> On Mon, Dec 19, 2022 at 02:40:32PM +0800, Yuan, Perry wrote:
> > make the energy preference performance strings and profiles using one
> > common header for intel_pstate driver, then the amd_pstate epp driver
> > can use the common header as well. This will simpify the intel_pstate
> > and amd_pstate driver.
> >
> > Signed-off-by: Perry Yuan <perry.yuan@amd.com>
> > ---
> > drivers/cpufreq/intel_pstate.c | 13 +++----------
> > include/linux/cpufreq.h | 11 +++++++++++
> > 2 files changed, 14 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/cpufreq/intel_pstate.c
> > b/drivers/cpufreq/intel_pstate.c index ad9be31753b6..93a60fdac0fc
> > 100644
> > --- a/drivers/cpufreq/intel_pstate.c
> > +++ b/drivers/cpufreq/intel_pstate.c
> > @@ -640,15 +640,7 @@ static int intel_pstate_set_epb(int cpu, s16 pref)
> > * 4 power
> > */
> >
> > -enum energy_perf_value_index {
> > - EPP_INDEX_DEFAULT = 0,
> > - EPP_INDEX_PERFORMANCE,
> > - EPP_INDEX_BALANCE_PERFORMANCE,
> > - EPP_INDEX_BALANCE_POWERSAVE,
> > - EPP_INDEX_POWERSAVE,
> > -};
> > -
> > -static const char * const energy_perf_strings[] = {
> > +const char * const energy_perf_strings[] = {
> > [EPP_INDEX_DEFAULT] = "default",
> > [EPP_INDEX_PERFORMANCE] = "performance",
> > [EPP_INDEX_BALANCE_PERFORMANCE] = "balance_performance",
> @@ -656,7
> > +648,8 @@ static const char * const energy_perf_strings[] = {
> > [EPP_INDEX_POWERSAVE] = "power",
> > NULL
> > };
> > -static unsigned int epp_values[] = {
> > +
> > +unsigned int epp_values[] = {
> > [EPP_INDEX_DEFAULT] = 0, /* Unused index */
> > [EPP_INDEX_PERFORMANCE] = HWP_EPP_PERFORMANCE,
> > [EPP_INDEX_BALANCE_PERFORMANCE] =
> HWP_EPP_BALANCE_PERFORMANCE, diff
> > --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index
> > d5595d57f4e5..e63309d497fe 100644
> > --- a/include/linux/cpufreq.h
> > +++ b/include/linux/cpufreq.h
> > @@ -20,6 +20,7 @@
> > #include <linux/pm_qos.h>
> > #include <linux/spinlock.h>
> > #include <linux/sysfs.h>
> > +#include <asm/msr.h>
>
> Please don't include msr header in cpufreq common file, we already include
> it in amd-pstate.c, that's fairly enough.
>
> Thanks,
> Ray
Good , will remove the msr.h from this file.
Thank you.
Perry.
>
> >
> >
> /**********************************************************
> ***********
> > * CPUFREQ INTERFACE *
> > @@ -185,6 +186,16 @@ struct cpufreq_freqs {
> > u8 flags; /* flags of cpufreq_driver, see below. */
> > };
> >
> > +enum energy_perf_value_index {
> > + EPP_INDEX_DEFAULT = 0,
> > + EPP_INDEX_PERFORMANCE,
> > + EPP_INDEX_BALANCE_PERFORMANCE,
> > + EPP_INDEX_BALANCE_POWERSAVE,
> > + EPP_INDEX_POWERSAVE,
> > +};
> > +extern const char * const energy_perf_strings[]; extern unsigned int
> > +epp_values[];
> > +
> > /* Only for ACPI */
> > #define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
> > #define CPUFREQ_SHARED_TYPE_HW (1) /* HW does needed
> coordination */
> > --
> > 2.34.1
> >
next prev parent reply other threads:[~2022-12-23 3:12 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-19 6:40 [PATCH v8 00/13] Implement AMD Pstate EPP Driver Perry Yuan
2022-12-19 6:40 ` [PATCH v8 01/13] ACPI: CPPC: Add AMD pstate energy performance preference cppc control Perry Yuan
2022-12-19 21:09 ` Limonciello, Mario
2022-12-23 2:16 ` Huang Rui
2022-12-23 3:19 ` Yuan, Perry
2022-12-23 9:06 ` Huang Rui
2022-12-25 16:41 ` Yuan, Perry
2022-12-19 6:40 ` [PATCH v8 02/13] Documentation: amd-pstate: add EPP profiles introduction Perry Yuan
2022-12-19 22:37 ` Limonciello, Mario
2022-12-19 6:40 ` [PATCH v8 03/13] cpufreq: intel_pstate: use common macro definition for Energy Preference Performance(EPP) Perry Yuan
2022-12-19 10:51 ` kernel test robot
2022-12-19 11:11 ` kernel test robot
2022-12-20 2:53 ` Mario Limonciello
2022-12-23 3:10 ` Huang Rui
2022-12-23 3:12 ` Yuan, Perry [this message]
2022-12-19 6:40 ` [PATCH v8 04/13] cpufreq: amd-pstate: fix kernel hang issue while amd-pstate unregistering Perry Yuan
2022-12-19 22:55 ` Limonciello, Mario
2022-12-19 6:40 ` [PATCH v8 05/13] cpufreq: amd-pstate: optimize driver working mode selection in amd_pstate_param() Perry Yuan
2022-12-19 10:11 ` kernel test robot
2022-12-19 23:01 ` Limonciello, Mario
2022-12-23 4:23 ` Huang Rui
2022-12-23 9:45 ` Wyes Karny
2022-12-25 16:41 ` Yuan, Perry
2022-12-19 6:40 ` [PATCH v8 06/13] cpufreq: amd-pstate: implement Pstate EPP support for the AMD processors Perry Yuan
2022-12-20 3:09 ` Mario Limonciello
2022-12-23 7:43 ` Huang Rui
2022-12-23 7:52 ` Yuan, Perry
2022-12-19 6:40 ` [PATCH v8 07/13] cpufreq: amd-pstate: implement amd pstate cpu online and offline callback Perry Yuan
2022-12-23 8:11 ` Huang Rui
2022-12-19 6:40 ` [PATCH v8 08/13] cpufreq: amd-pstate: implement suspend and resume callbacks Perry Yuan
2022-12-23 8:12 ` Huang Rui
2022-12-19 6:40 ` [PATCH v8 09/13] cpufreq: amd-pstate: add driver working mode switch support Perry Yuan
2022-12-19 23:38 ` Limonciello, Mario
2022-12-23 8:56 ` Huang Rui
2022-12-25 16:41 ` Yuan, Perry
2022-12-19 6:40 ` [PATCH v8 10/13] Documentation: amd-pstate: add amd pstate driver mode introduction Perry Yuan
2022-12-19 23:28 ` Limonciello, Mario
2022-12-19 6:40 ` [PATCH v8 11/13] Documentation: introduce amd pstate active mode kernel command line options Perry Yuan
2022-12-19 23:29 ` Limonciello, Mario
2022-12-19 6:40 ` [PATCH v8 12/13] cpufreq: amd-pstate: convert sprintf with sysfs_emit() Perry Yuan
2022-12-19 23:31 ` Limonciello, Mario
2022-12-25 16:42 ` Yuan, Perry
2022-12-23 7:45 ` Huang Rui
2022-12-19 6:40 ` [PATCH v8 13/13] Documentation: amd-pstate: introduce new global sysfs attributes Perry Yuan
2022-12-19 22:35 ` Limonciello, Mario
2022-12-20 18:13 ` [PATCH v8 00/13] Implement AMD Pstate EPP Driver Tor Vic
2022-12-20 18:52 ` Tor Vic
2022-12-21 3:08 ` Yuan, Perry
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