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Subject: [PATCH v13 00/35] NVIDIA Tegra power management patches for 5.16
Date:   Mon, 27 Sep 2021 01:40:23 +0300
Message-Id: <20210926224058.1252-1-digetx@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

This series adds runtime PM support to Tegra drivers and enables core
voltage scaling for Tegra20/30 SoCs, resolving overheating troubles.

All patches in this series are interdependent and should go via Tegra tree.

Changelog:

v13: - Fixed compile-test error reported by build bot by reverting the
       mmc/ patch to v11. The sdhci_suspend/resume_host() functions aren't
       available with the disabled CONFIG_PM_SLEEP, some code needs the
       ifdef.

     - Added last r-b from Rob Herring for the DT patches.

     - Corrected clk/ PM domain-support patch by not using the
       devm_tegra_core_dev_init_opp_table_common() helper, which I
       utilized in v12. The clk driver implements its own power domain
       state syncing and common helper shouldn't be used. This fixes driver
       probing for some clocks on some devices. It was reported by
       Svyatoslav Ryhel for PLLE OPP error on T30 Asus Transformer tablet.

v12: - Added r-b from Rob Herring to the host1x binding patch.

     - Added acks from Hans Verkuil to the video decoder patches.

     - In the v11 changelog I forgot to mention that the clk-binding
       patch was also changed with a corrected regex pattern and removed
       'clocks' sub-node. This patch needs r-b or ack too.

     - Added new "Rename 3d power domains" patch to match the DT schema
       naming requirement. Thanks to David Heidelberg for spotting this
       problem.

     - Replaced #ifdef CONFIG_PM_SLEEP with maybe_unused in the MMC patch
       to make code cleaner.

v11: - Added acks and r-b from Rob Herring, Mark Brown and Miquel Raynal
       that were given to v8.

     - Corrected order of the new memory controller reset entry in
       device-trees and host1x DT binding patch, which was requested by
       Rob Herring.

     - Switched consumer drivers to use power domain state syncing done
       by new Tegra's common OPP-initialization helper.

     - Made use of new devm_pm_runtime_enable() helper that was added to
       v5.15 kernel, where appropriate.

     - Added "fuse: Use resource-managed helpers" patch.

     - Converted Tegra20/30 clk drivers to a proper platform drivers,
       which was requested by Thierry Reding.

     - Removed clk-bulk API usage from the MMC patch, which was requested
       by Thierry Reding.

     - Changed CORE power domain name to "core" in a new patch
       "Change name of core power domain".

     - Misc small fixes for problems that I found since v8, like couple
       typos in error code paths and restored working RPM for Tegra DRM
       UAPI v1 that was removed in v8 by accident.

v9-v10: Figured out remaining GENPD API changes with Ulf Hansson and
        Viresh Kumar. The OPP-sync helper that was used in v8 isn't needed
        anymore because GENPD API now allows consumer drivers to
        init rpm_pstate of power domains.

v8: - Added new generic dev_pm_opp_sync() helper that syncs OPP state with
      hardware. All drivers changed to use it. This replaces GENPD attach_dev
      callback hacks that were used in v7.

    - Added new patch patch "soc/tegra: regulators: Prepare for suspend"
      that fixes dying Tegra20 SoC after enabling VENC power domain during
      resume from suspend. It matches to what downstream kernel does on
      suspend/resume.

    - After a second thought, I dropped patches which added RPM to memory
      drivers since hardware is always-on and RPM not needed.

    - Replaced the "dummy host1x driver" patch with new "Disable unused
      host1x hardware" patch, since it's a cleaner solution.

Dmitry Osipenko (35):
  opp: Change type of dev_pm_opp_attach_genpd(names) argument
  soc/tegra: Add devm_tegra_core_dev_init_opp_table_common()
  soc/tegra: pmc: Disable PMC state syncing
  soc/tegra: Don't print error message when OPPs not available
  dt-bindings: clock: tegra-car: Document new clock sub-nodes
  clk: tegra: Support runtime PM and power domain
  dt-bindings: host1x: Document OPP and power domain properties
  dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and
    GR3D
  gpu: host1x: Add runtime PM and OPP support
  gpu: host1x: Add host1x_channel_stop()
  drm/tegra: dc: Support OPP and SoC core voltage scaling
  drm/tegra: hdmi: Add OPP support
  drm/tegra: gr2d: Support generic power domain and runtime PM
  drm/tegra: gr3d: Support generic power domain and runtime PM
  drm/tegra: vic: Support system suspend
  usb: chipidea: tegra: Add runtime PM and OPP support
  bus: tegra-gmi: Add runtime PM and OPP support
  pwm: tegra: Add runtime PM and OPP support
  mmc: sdhci-tegra: Add runtime PM and OPP support
  mtd: rawnand: tegra: Add runtime PM and OPP support
  spi: tegra20-slink: Add OPP support
  media: dt: bindings: tegra-vde: Convert to schema
  media: dt: bindings: tegra-vde: Document OPP and power domain
  media: staging: tegra-vde: Support generic power domain
  soc/tegra: fuse: Reset hardware
  soc/tegra: fuse: Use resource-managed helpers
  soc/tegra: regulators: Prepare for suspend
  soc/tegra: pmc: Rename 3d power domains
  soc/tegra: pmc: Rename core power domain
  soc/tegra: pmc: Enable core domain support for Tegra20 and Tegra30
  ARM: tegra: Add OPP tables and power domains to Tegra20 device-trees
  ARM: tegra: Add OPP tables and power domains to Tegra30 device-trees
  ARM: tegra: Add Memory Client resets to Tegra20 GR2D, GR3D and Host1x
  ARM: tegra: Add Memory Client resets to Tegra30 GR2D, GR3D and Host1x
  ARM: tegra20/30: Disable unused host1x hardware

 .../bindings/clock/nvidia,tegra20-car.yaml    |   37 +
 .../display/tegra/nvidia,tegra20-host1x.txt   |   53 +
 .../bindings/media/nvidia,tegra-vde.txt       |   64 -
 .../bindings/media/nvidia,tegra-vde.yaml      |  119 ++
 .../boot/dts/tegra20-acer-a500-picasso.dts    |    1 +
 arch/arm/boot/dts/tegra20-colibri.dtsi        |    3 +-
 arch/arm/boot/dts/tegra20-harmony.dts         |    3 +-
 arch/arm/boot/dts/tegra20-paz00.dts           |    1 +
 .../arm/boot/dts/tegra20-peripherals-opp.dtsi |  941 +++++++++++
 arch/arm/boot/dts/tegra20-seaboard.dts        |    3 +-
 arch/arm/boot/dts/tegra20-tamonten.dtsi       |    3 +-
 arch/arm/boot/dts/tegra20-trimslice.dts       |    9 +
 arch/arm/boot/dts/tegra20-ventana.dts         |    1 +
 arch/arm/boot/dts/tegra20.dtsi                |  116 +-
 .../tegra30-asus-nexus7-grouper-common.dtsi   |    1 +
 arch/arm/boot/dts/tegra30-beaver.dts          |    1 +
 arch/arm/boot/dts/tegra30-cardhu.dtsi         |    1 +
 arch/arm/boot/dts/tegra30-colibri.dtsi        |   17 +-
 arch/arm/boot/dts/tegra30-ouya.dts            |    1 +
 .../arm/boot/dts/tegra30-peripherals-opp.dtsi | 1412 +++++++++++++++++
 arch/arm/boot/dts/tegra30.dtsi                |  175 +-
 drivers/bus/tegra-gmi.c                       |   52 +-
 drivers/clk/tegra/Makefile                    |    1 +
 drivers/clk/tegra/clk-device.c                |  230 +++
 drivers/clk/tegra/clk-pll.c                   |    2 +-
 drivers/clk/tegra/clk-super.c                 |    2 +-
 drivers/clk/tegra/clk-tegra20.c               |   77 +-
 drivers/clk/tegra/clk-tegra30.c               |  116 +-
 drivers/clk/tegra/clk.c                       |   75 +-
 drivers/clk/tegra/clk.h                       |    2 +
 drivers/gpu/drm/tegra/dc.c                    |   74 +
 drivers/gpu/drm/tegra/dc.h                    |    2 +
 drivers/gpu/drm/tegra/gr2d.c                  |  155 +-
 drivers/gpu/drm/tegra/gr3d.c                  |  388 ++++-
 drivers/gpu/drm/tegra/hdmi.c                  |   16 +-
 drivers/gpu/drm/tegra/vic.c                   |    4 +
 drivers/gpu/host1x/channel.c                  |    8 +
 drivers/gpu/host1x/debug.c                    |   15 +
 drivers/gpu/host1x/dev.c                      |  151 +-
 drivers/gpu/host1x/dev.h                      |    3 +-
 drivers/gpu/host1x/hw/channel_hw.c            |   44 +-
 drivers/gpu/host1x/intr.c                     |    3 -
 drivers/gpu/host1x/syncpt.c                   |    5 +-
 drivers/mmc/host/sdhci-tegra.c                |   82 +-
 drivers/mtd/nand/raw/tegra_nand.c             |   55 +-
 drivers/opp/core.c                            |    6 +-
 drivers/pwm/pwm-tegra.c                       |   88 +-
 drivers/soc/tegra/common.c                    |    4 +-
 drivers/soc/tegra/fuse/fuse-tegra.c           |   51 +-
 drivers/soc/tegra/fuse/fuse-tegra20.c         |   33 +-
 drivers/soc/tegra/fuse/fuse.h                 |    1 +
 drivers/soc/tegra/pmc.c                       |   27 +-
 drivers/soc/tegra/regulators-tegra20.c        |   99 ++
 drivers/soc/tegra/regulators-tegra30.c        |  122 ++
 drivers/spi/spi-tegra20-slink.c               |   10 +-
 drivers/staging/media/tegra-vde/vde.c         |   57 +-
 drivers/usb/chipidea/ci_hdrc_tegra.c          |   53 +-
 include/linux/host1x.h                        |    1 +
 include/linux/pm_opp.h                        |    8 +-
 include/soc/tegra/common.h                    |   24 +
 60 files changed, 4751 insertions(+), 357 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
 create mode 100644 Documentation/devicetree/bindings/media/nvidia,tegra-vde.yaml
 create mode 100644 drivers/clk/tegra/clk-device.c

-- 
2.32.0