archive mirror
 help / color / mirror / Atom feed
From: Rajendra Nayak <>
	Rajendra Nayak <>
Subject: [PATCH v2 0/3] PM / Domains: Add support for assigned-performance-states
Date: Thu, 27 May 2021 11:42:26 +0530	[thread overview]
Message-ID: <> (raw)

This is a re-spin of the series that was posted a while back [1]
with no major changes except for some review feedback from Stephen

Back when this was posted, we thought its a good idea if client
drivers handle this instead of genpd core handling it [2]
So that lead to another series which handled this in the i2c 
driver [3], but then it looked like it would be duplication
of code across drivers and perhaps it should be done some place

The way forward seems like
1. Get the bindings reviewed from DT folks
2. Once the bindings are finalized, figure out how to handle this
centrally without duplication. While this series does it with everything
handled in genpd core, there are perhaps other ways to do it with genpd
core exporting some helpers and genpd providers handling some of it with

Some devices within power-domains with performance states do not
support DVFS, but still need to vote on a default/static state
while they are active. Add support for a new device tree property
which the clients can use to specify this and add support in
kernel to parse this value and vote.


Rajendra Nayak (3):
  dt-bindings: power: Introduce 'assigned-performance-states' property
  PM / Domains: Add support for 'assigned-performance-states'
  arm64: dts: sc7180: Add assigned-performance-states for i2c

 .../devicetree/bindings/power/power-domain.yaml    | 50 ++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sc7180.dtsi               | 24 +++++++++++
 drivers/base/power/domain.c                        | 27 ++++++++++++
 include/linux/pm_domain.h                          |  1 +
 4 files changed, 102 insertions(+)

QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation

             reply	other threads:[~2021-05-27  6:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-27  6:12 Rajendra Nayak [this message]
2021-05-27  6:12 ` [PATCH v2 1/3] dt-bindings: power: Introduce 'assigned-performance-states' property Rajendra Nayak
2021-05-27  6:16   ` Viresh Kumar
2021-05-27  6:21     ` Rajendra Nayak
2021-05-27 14:23   ` Rob Herring
2021-05-27 14:26     ` Rob Herring
2021-06-01 10:33   ` Ulf Hansson
2021-06-01 11:12   ` Stephan Gerhold
2021-06-01 11:44     ` Viresh Kumar
2021-06-02 10:45       ` Ulf Hansson
2021-06-02 10:54         ` Viresh Kumar
2021-06-02 12:50           ` Ulf Hansson
2021-06-15 15:05   ` Ulf Hansson
2021-06-18  6:01     ` Rajendra Nayak
2021-05-27  6:12 ` [PATCH v2 2/3] PM / Domains: Add support for 'assigned-performance-states' Rajendra Nayak
2021-05-27  6:12 ` [PATCH v2 3/3] arm64: dts: sc7180: Add assigned-performance-states for i2c Rajendra Nayak

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).