linux-kernel - Re: [PATCH 00/11] Intel pmc

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Date:   Thu, 16 Mar 2023 08:36:22 -0700
From:   "David E. Box" <david.e.box@...ux.intel.com>
To:     Hans de Goede <hdegoede@...hat.com>, irenic.rajneesh@...il.com,
        markgross@...nel.org, andy.shevchenko@...il.com,
        rajvi.jingar@...ux.intel.com, xi.pardee@...el.com
Cc:     linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH 00/11] Intel pmc_core: Enable telemetry

Hi Hans,

On Thu, 2023-03-16 at 15:51 +0100, Hans de Goede wrote:
> Hi David,
> 
> On 3/15/23 19:33, David E. Box wrote:
> > On Intel SoCs, registers for the Power Management Controller are available
> > in the PCI BAR of the SSRAM device, 0000:14.2. On Meteor Lake, these
> > registers are structured in Intel PMT Telemetry regions which could be
> > handled by the pmt_telemetry driver. This series adds APIs to the
> > intel_vsec and pmt_telemetry drivers so that pmc_core driver can both
> > create the telemetry instance from the SSRAM device and register for a
> > handle to read the telemetry which contains the low power mode requirements
> > for the S0ix states supported by Meteor Lake. The series also adds some
> > fixes.
> 
> Thank you for the series. I notice that none of these patches have a Reviewed-
> by nor a Tested-by from some other Intel developers.
> 
> It really helps if you can get someone other Intel kernel people to review and
> test your patches and then add their tags before posting a large(ish) series
> like this upstream.

Sure. About 5 of these, though related, are small and can be sent separately.
I'll send those first and get Intel review for the others. Since this smaller
batch won't be enabling telemetry, as in the cover letter title, I'll send as a
new series.

David

> 
> Regards,
> 
> Hans
> 
> 
> 
> 
> 
> > 
> > David E. Box (6):
> >   platform/x86/intel/vsec: Explicitly enable capabilities
> >   platform/x86/intel/vsec: Add base address field
> >   platform/x86/intel/pmt: Add INTEL_PMT module namespace
> >   platform/x86/intel/pmt: telemetry: Add telemetry read functions
> >   platform/x86/intel/pmt/telemetry: Add driver version
> >   platform/x86/intel/pmc: Add Intel PMT support for MTL PMC
> > 
> > Gayatri Kammela (1):
> >   platform/x86/intel/vsec: Add intel_vsec_register
> > 
> > Rajvi Jingar (1):
> >   platform/x86/intel/pmc: Alder Lake slp_s0_residency fix
> > 
> > Xi Pardee (3):
> >   platform/x86:intel/pmc: Combine core_init and core_configure function
> >   platform/x86:intel/pmc: Move get_low_power_modes function
> >   platform/x86/intel/pmc/mtl: get LPM information using Intel PMT
> > 
> >  drivers/platform/x86/intel/pmc/Kconfig     |   1 +
> >  drivers/platform/x86/intel/pmc/adl.c       |  17 +-
> >  drivers/platform/x86/intel/pmc/cnp.c       |  17 +-
> >  drivers/platform/x86/intel/pmc/core.c      |  71 +++++---
> >  drivers/platform/x86/intel/pmc/core.h      |  24 +--
> >  drivers/platform/x86/intel/pmc/icl.c       |  11 +-
> >  drivers/platform/x86/intel/pmc/mtl.c       | 187 ++++++++++++++++++-
> >  drivers/platform/x86/intel/pmc/spt.c       |  11 +-
> >  drivers/platform/x86/intel/pmc/tgl.c       |  17 +-
> >  drivers/platform/x86/intel/pmt/class.c     |  48 +++--
> >  drivers/platform/x86/intel/pmt/class.h     |  35 ++--
> >  drivers/platform/x86/intel/pmt/crashlog.c  |   3 +-
> >  drivers/platform/x86/intel/pmt/telemetry.c | 199 ++++++++++++++++++++-
> >  drivers/platform/x86/intel/pmt/telemetry.h | 120 +++++++++++++
> >  drivers/platform/x86/intel/vsec.c          | 131 ++++++--------
> >  drivers/platform/x86/intel/vsec.h          |  64 ++++++-
> >  16 files changed, 790 insertions(+), 166 deletions(-)
> >  create mode 100644 drivers/platform/x86/intel/pmt/telemetry.h
> > 
> > 
> > base-commit: 02c464b73645404654359ad21f368a13735e2850
>