[v4,00/12] drm: bridge: Add Samsung MIPI DSIM bridge
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Message ID 20220829184031.1863663-1-jagan@amarulasolutions.com
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  • drm: bridge: Add Samsung MIPI DSIM bridge
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Jagan Teki Aug. 29, 2022, 6:40 p.m. UTC 
This series supports common bridge support for Samsung MIPI DSIM
which is used in Exynos and i.MX8MM SoC's.

Previous v2 can be available here [1].

The final bridge supports both the Exynos and i.MX8MM DSI devices.

On, summary this patch-set break the entire DSIM driver into
- platform specific glue code for platform ops, component_ops.
- common bridge driver which handle platform glue init and invoke.

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

Patch 0001:	Restore proper bridge chain in exynos_dsi

Patch 0002: 	Samsung DSIM bridge

Patch 0003:	Common lookup code for OF-graph or child

Patch 0004: 	plat_data quirk flag via driver_data

Patch 0005/10:  bridge fixes, atomic API's

Patch 0011:	document fsl,imx8mm-mipi-dsim

Patch 0012:	add i.MX8MM DSIM support

Tested in Engicam i.Core MX8M Mini SoM.

Anyone interested, please have a look on this repo [2] and 
boot log [3].

[3] https://gist.github.com/openedev/22b2d63b30ade0ba55ab414a2f47aaf0
[2] https://github.com/openedev/kernel/tree/imx8mm-dsi-v4
[1] https://patchwork.kernel.org/project/dri-devel/cover/20220720155210.365977-1-jagan@amarulasolutions.com/

Any inputs?
Jagan.

Jagan Teki (11):
  drm: bridge: Add Samsung DSIM bridge driver
  drm: bridge: samsung-dsim: Lookup OF-graph or Child node devices
  drm: bridge: samsung-dsim: Handle platform init via driver_data
  drm: bridge: samsung-dsim: Mark PHY as optional
  drm: bridge: samsung-dsim: Handle proper DSI host initialization
  drm: bridge: samsung-dsim: Fix PLL_P (PMS_P) offset
  drm: bridge: samsung-dsim: Add atomic_check
  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.MX8MM support
  drm: bridge: samsung-dsim: Add i.MX8MM support

Marek Szyprowski (1):
  drm: exynos: dsi: Restore proper bridge chain order

 .../bindings/display/exynos/exynos_dsim.txt   |    1 +
 MAINTAINERS                                   |    9 +
 drivers/gpu/drm/bridge/Kconfig                |   12 +
 drivers/gpu/drm/bridge/Makefile               |    1 +
 drivers/gpu/drm/bridge/samsung-dsim.c         | 1833 +++++++++++++++++
 drivers/gpu/drm/exynos/Kconfig                |    1 +
 drivers/gpu/drm/exynos/exynos_drm_drv.c       |    3 -
 drivers/gpu/drm/exynos/exynos_drm_drv.h       |    1 -
 drivers/gpu/drm/exynos/exynos_drm_dsi.c       | 1717 +--------------
 include/drm/bridge/samsung-dsim.h             |  107 +
 10 files changed, 2027 insertions(+), 1658 deletions(-)
 create mode 100644 drivers/gpu/drm/bridge/samsung-dsim.c
 create mode 100644 include/drm/bridge/samsung-dsim.h