[PATCH v9 00/18] drm: bridge: Add Samsung MIPI DSIM bridge

Jagan Teki jagan at amarulasolutions.com
Fri Dec 9 15:23:25 UTC 2022


This series supports common bridge support for Samsung MIPI DSIM
which is used in Exynos and i.MX8MM SoC's.

The final bridge supports both the Exynos and i.MX8M Mini/Nano/Plus.

Changes for v9:
- rebase on drm-misc-next
- drop drm bridge attach fix for Exynos
- added prepare_prev_first flag
- added pre_enable_prev_first flag
- fix bridge chain order for exynos
- added fix for Exynos host init for first DSI transfer
- added MEDIA_BUS_FMT_FIXED
- return MEDIA_BUS_FMT_RGB888_1X24 output_fmt if supported output_fmt
  list is unsupported.
- added MEDIA_BUS_FMT_YUYV10_1X20
- added MEDIA_BUS_FMT_YUYV12_1X24

Changes for v8:
* fixed comment lines
* fixed commit messages
* fixed video mode bits
* collect Marek Ack
* fixed video mode bit names
* update input formats logic
* added imx8mplus support

Changes for v7:
* fix the drm bridge attach chain for exynos drm dsi driver
* fix the hw_type checking logic

Changes for v6:
* handle previous bridge for exynos dsi while attaching bridge 

Changes for v5:
* bridge changes to support multi-arch
* updated and clear commit messages
* add hw_type via plat data
* removed unneeded quirk
* rebased on linux-next
t
Changes for v4:
* include Inki Dae in MAINTAINERS
* remove dsi_driver probe in exynos_drm_drv to support multi-arch build
* update init handling to ensure host init done on first cmd transfer

Changes for v3:
* fix the mult-arch build
* fix dsi host init
* updated commit messages

Changes for v2:
* fix bridge handling
* fix dsi host init
* correct the commit messages

Tested in Engicam i.Core MX8M Mini SoM.

Repo:
https://gitlab.com/openedev/kernel/-/commits/imx8mm-dsi-v9

v8:
https://lore.kernel.org/all/20221110183853.3678209-1-jagan@amarulasolutions.com/

Any inputs?
Jagan.

Jagan Teki (16):
  drm: panel: Enable prepare_prev_first flag for samsung-s6e panels
  drm: exynos: dsi: Fix MIPI_DSI*_NO_* mode flags
  drm: exynos: dsi: Properly name HSA/HBP/HFP/HSE bits
  drm: bridge: Generalize Exynos-DSI driver into a Samsung DSIM bridge
  drm: bridge: samsung-dsim: Lookup OF-graph or Child node devices
  drm: bridge: samsung-dsim: Mark PHY as optional
  drm: bridge: samsung-dsim: Add host init in pre_enable
  drm: bridge: samsung-dsim: Init exynos host for first DSI transfer
  drm: bridge: samsung-dsim: Add atomic_check
  drm: bridge: samsung-dsim: Add platform PLL_P (PMS_P) offset
  drm: bridge: samsung-dsim: Add atomic_get_input_bus_fmts
  drm: bridge: samsung-dsim: Add input_bus_flags
  dt-bindings: display: exynos: dsim: Add NXP i.MX8M Mini/Nano support
  drm: bridge: samsung-dsim: Add i.MX8M Mini/Nano support
  dt-bindings: display: exynos: dsim: Add NXP i.MX8M Plus support
  drm: bridge: samsung-dsim: Add i.MX8M Plus support

Marek Szyprowski (2):
  drm/bridge: tc358764: Enable pre_enable_prev_first flag
  drm: exynos: dsi: Restore proper bridge chain order

 .../bindings/display/exynos/exynos_dsim.txt   |    2 +
 MAINTAINERS                                   |    9 +
 drivers/gpu/drm/bridge/Kconfig                |   12 +
 drivers/gpu/drm/bridge/Makefile               |    1 +
 drivers/gpu/drm/bridge/samsung-dsim.c         | 1934 +++++++++++++++++
 drivers/gpu/drm/bridge/tc358764.c             |    1 +
 drivers/gpu/drm/exynos/Kconfig                |    1 +
 drivers/gpu/drm/exynos/exynos_drm_dsi.c       | 1769 +--------------
 drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c |    1 +
 .../gpu/drm/panel/panel-samsung-s6e63j0x03.c  |    1 +
 drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c |    1 +
 include/drm/bridge/samsung-dsim.h             |  116 +
 12 files changed, 2195 insertions(+), 1653 deletions(-)
 create mode 100644 drivers/gpu/drm/bridge/samsung-dsim.c
 create mode 100644 include/drm/bridge/samsung-dsim.h

-- 
2.25.1



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