Hi guys,

Are there any objections to these patches?


On 6/22/22 15:57, Lukasz Luba wrote:

Hi all,

This is a patch set which changes Energy Model power values scale to
micro-Watts. It also upgrades the SCMI performance layer + scmi-cpufreq
driver to leverage the SCMI v3.1 spec and process micro-Watts power values
coming from FW. The higher precision in EM power field solves an issue
of a rounding error, which then can be misinterpreted as 'inefficient OPP'.
An example rounding issue calculation is present in patch 1/4 description.

Regards,
Lukasz Luba

Lukasz Luba (4):
   PM: EM: convert power field to micro-Watts precision and align drivers
   Documentation: EM: Switch to micro-Watts scale
   firmware: arm_scmi: Get detailed power scale from perf
   cpufreq: scmi: Support the power scale in micro-Watts in SCMI v3.1

  Documentation/power/energy-model.rst  | 14 +++---
  drivers/cpufreq/mediatek-cpufreq-hw.c |  7 +--
  drivers/cpufreq/scmi-cpufreq.c        | 15 ++++++-
  drivers/firmware/arm_scmi/perf.c      | 18 +++++---
  drivers/opp/of.c                      | 15 ++++---
  drivers/powercap/dtpm_cpu.c           |  5 +--
  drivers/thermal/cpufreq_cooling.c     | 13 +++++-
  drivers/thermal/devfreq_cooling.c     | 19 ++++++--
  include/linux/energy_model.h          | 63 ++++++++++++++++++++-------
  include/linux/scmi_protocol.h         |  8 +++-
  kernel/power/energy_model.c           | 31 ++++++++-----
  11 files changed, 146 insertions(+), 62 deletions(-)

I would like to move forward with the micro-Watts in
the Energy Model. We have feedback from our partners
that this is a limitation. Also, as you can see
this uW is part of the new SCMI spec, which we
have support on our roadmap.

Regards,
Lukasz

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel