[PATCH v6 0/8] drm/tidss: Use new connector model for tidss

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Hi all,

I have picked up this long standing series from Nikhil Devshatwar[1].

This series moves the tidss to using new connectoe model, where the SoC
driver (tidss) creates the connector and all the bridges are attached
with the flag DRM_BRIDGE_ATTACH_NO_CONNECTOR. It also now creates bridge
to support format negotiation and and 'simple' encoder to expose it to
the userspace.

Since the bridges do not create the connector, the bus_format and
bus_flag is set via atomic hooks.

Support format negotiations in the tfp410, sii902x and mhdp-8546 bridge
drivers as a first step before moving the connector model.

These patches were tested on AM625-SK EVM, AM625 SoC based BeaglePlay,
and J721E-SK. Display support for AM625 SoC has not been added upstream
and is a WIP. To test this series on AM625 based platforms, basic
display support patches, (for driver + devicetree), can be found in
the "next_AttachNoConn" branch on my github fork[2].

Thanks,
Aradhya

[1]: https://patchwork.freedesktop.org/series/82765/#rev5
[2]: https://github.com/aradhya07/linux-ab/tree/next_AttachNoConn

Change Log:
V5 -> V6
  - Rebase and cosmetic changes
  - Dropped the output format check condition for tfp410 and hence,
    dropped Tomi Valkeinen's and Laurent Pinchart's R-b tags.
  - Based on Boris Brezillon's comments: dropped patches 5 and 6 from
    the series and instead created a single patch that,
      1. Creates tidss bridge for format negotiation.
      2. Creates 'simple' encoder for userspace exposure.
      3. Creates a tidss connector.
      4. Attaches the next-bridge to encoder with the
         DRM_BRIDGE_ATTACH_NO_CONNECTOR flag.
  - Add format negotiation support for sii902x driver.

Previous series:
V1 to V5: https://patchwork.freedesktop.org/series/82765/

Aradhya Bhatia (3):
  drm/bridge: sii902x: Support format negotiation hooks
  drm/bridge: sii902x: Set input_bus_flags in atomic_check
  drm/tidss: Update encoder/bridge chain connect model

Nikhil Devshatwar (5):
  drm/bridge: tfp410: Support format negotiation hooks
  drm/bridge: tfp410: Set input_bus_flags in atomic_check
  drm/bridge: mhdp8546: Add minimal format negotiation
  drm/bridge: mhdp8546: Set input_bus_flags from atomic_check
  drm/bridge: cdns-mhdp8546: Fix the interrupt enable/disable

 .../drm/bridge/cadence/cdns-mhdp8546-core.c   |  80 ++++++----
 .../drm/bridge/cadence/cdns-mhdp8546-core.h   |   2 +-
 .../drm/bridge/cadence/cdns-mhdp8546-j721e.c  |   9 +-
 .../drm/bridge/cadence/cdns-mhdp8546-j721e.h  |   2 +-
 drivers/gpu/drm/bridge/sii902x.c              |  41 +++++
 drivers/gpu/drm/bridge/ti-tfp410.c            |  42 ++++++
 drivers/gpu/drm/tidss/tidss_encoder.c         | 140 +++++++++++-------
 drivers/gpu/drm/tidss/tidss_encoder.h         |   5 +-
 drivers/gpu/drm/tidss/tidss_kms.c             |  12 +-
 9 files changed, 238 insertions(+), 95 deletions(-)

-- 
2.40.1




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