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[v6,0/2] Add support for Tianma nt36672a video mode panel

Message ID 20200831130251.19769-1-sumit.semwal@linaro.org
Headers show
Series Add support for Tianma nt36672a video mode panel | expand

Message

Sumit Semwal Aug. 31, 2020, 1:02 p.m. UTC 
Some Poco F1 phones from Xiaomi have a FHD+ video mode panel based on the
Novatek NT36672A display controller; Add support for the same.

Most of the panel data is taken from downstream panel dts, and is converted to
drm-panel based driver by me.

It has been validated with v5.9-rc1 based drm-misc-next on Poco F1 phone; my tree with other
dependent patches is here [1]

[1]: https://git.linaro.org/people/sumit.semwal/linux-dev.git/log/?h=dev/poco-panel-upstreaming

---
v2: In dt-binding, removed ports node, making port@0 directly under panel@0 node.
     Also updated the panel_on delay to a safer 200ms as needed for latest Android.
v3: Replaced port@0 with just port in panel@0 node.
v4: Since "0425662fdf05: drm: Nuke mode->vrefresh", we have to calculate
     vrefresh on demand. Update for it.
v5: Fixed review comments from Sam:
      - rebased on top of drm-misc-next
           remove return of drm_panel_add()
           remove drm_panel_detach()
      - renamed the panel driver file to reflect that this is a novatek
           nt36672a display driver and not only for tianma panels.
           Adjusted some internal names also to reflect the same.
      - corrected changelog to add info about the generic Novatek DSI IC
      - corrected compatible string accordingly
      - removed pinctrl
      - used drm_panel* API for prepare/unprepare/disable/remove
v6: Fixed few review comments on v5 from Sam:
      - add dev_err_probe() support
      - move DRM_* error printing to dev_err()
      - removed a few unnecessary bits

Sumit Semwal (2):
  dt-bindings: display: panel: Add bindings for Novatek nt36672a
  drm: panel: Add novatek nt36672a panel driver

 .../display/panel/novatek,nt36672a.yaml       |  87 ++
 MAINTAINERS                                   |   7 +
 drivers/gpu/drm/panel/Kconfig                 |  10 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 .../gpu/drm/panel/panel-novatek-nt36672a.c    | 740 ++++++++++++++++++
 5 files changed, 845 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml
 create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt36672a.c

-- 
2.28.0

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