linux-kernel - [PATCH v9 0/8] NVIDIA Tegra power management patches for 5.16

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Message-Id: <20210827013415.24027-1-digetx@gmail.com>
Date:   Fri, 27 Aug 2021 04:34:07 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, Nishanth Menon <nm@...com>
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: [PATCH v9 0/8] NVIDIA Tegra power management patches for 5.16

This is a reduced version of the patchset which adds power management
support to NVIDIA Tegra drivers. Viresh Kumar asked to send these PD/OPP
patches separately for now to reduce the noise and finalize the review.

I implemented new get_performance_state() GENPD callback as was discussed
in v8. GR3D driver patch shows how it's used by consumer drivers, which
is a good example because 3d driver supports both cases of a single and
multi-domain hardware, it also uses OPP API more extensively than other
drivers.

Dmitry Osipenko (8):
  opp: Add dev_pm_opp_from_clk_rate()
  opp: Allow dev_pm_opp_set_clkname() to replace released clock
  opp: Change type of dev_pm_opp_attach_genpd(names) argument
  PM: domains: Add get_performance_state() callback
  soc/tegra: pmc: Implement get_performance_state() callback
  soc/tegra: Add devm_tegra_core_dev_init_opp_table_simple()
  gpu: host1x: Add host1x_channel_stop()
  drm/tegra: gr3d: Support generic power domain and runtime PM

 drivers/base/power/domain.c  |  32 ++-
 drivers/gpu/drm/tegra/gr3d.c | 384 ++++++++++++++++++++++++++++++-----
 drivers/gpu/host1x/channel.c |   8 +
 drivers/opp/core.c           |  50 ++++-
 drivers/soc/tegra/pmc.c      |  86 ++++++++
 include/linux/host1x.h       |   1 +
 include/linux/pm_domain.h    |   2 +
 include/linux/pm_opp.h       |  14 +-
 include/soc/tegra/common.h   |  13 ++
 9 files changed, 522 insertions(+), 68 deletions(-)

-- 
2.32.0