[PATCH 00/12] drm/imx/ipuv3: switch LDB and parallel-display driver to use drm_bridge_connector

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The IPUv3 DRM i.MX driver contains several codepaths for different
usescases: both LDB and paralllel-display drivers handle next-bridge,
panel and the legacy display-timings DT node on their own.

Drop unused ddc-i2c-bus and edid handling (none of the DT files merged
upstream ever used these features), switch to panel-bridge driver,
removing the need to handle drm_panel codepaths separately and finally
switch to drm_bridge_connector, removing requirement for the downstream
bridges to create drm_connector on their own.

This has been tested on the iMX53 with the DPI panel attached to LDB via
LVDS decoder, using all possible usecases (lvds-codec + panel, panel
linked directly to LDB node and the display-timings node).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
Dmitry Baryshkov (12):
      dt-bindings: display: fsl-imx-drm: drop edid property support
      dt-bindings: display: imx/ldb: drop ddc-i2c-bus property
      drm/imx: cleanup the imx-drm header
      drm/imx: parallel-display: drop edid override support
      drm/imx: ldb: drop custom EDID support
      drm/imx: ldb: drop custom DDC bus support
      drm/imx: ldb: switch to drm_panel_bridge
      drm/imx: parallel-display: switch to drm_panel_bridge
      drm/imx: add internal bridge handling display-timings DT node
      drm/imx: ldb: switch to imx_legacy_bridge / drm_bridge_connector
      drm/imx: parallel-display: switch to imx_legacy_bridge / drm_bridge_connector
      drm/imx: move imx_drm_connector_destroy to imx-tve

 .../bindings/display/imx/fsl-imx-drm.txt           |   2 -
 .../devicetree/bindings/display/imx/ldb.txt        |   1 -
 drivers/gpu/drm/imx/ipuv3/Kconfig                  |  15 ++
 drivers/gpu/drm/imx/ipuv3/Makefile                 |   2 +
 drivers/gpu/drm/imx/ipuv3/imx-drm-core.c           |   7 -
 drivers/gpu/drm/imx/ipuv3/imx-drm.h                |  19 +-
 drivers/gpu/drm/imx/ipuv3/imx-ldb.c                | 201 ++++-----------------
 drivers/gpu/drm/imx/ipuv3/imx-legacy-bridge.c      |  85 +++++++++
 drivers/gpu/drm/imx/ipuv3/imx-tve.c                |   8 +-
 drivers/gpu/drm/imx/ipuv3/parallel-display.c       | 133 ++------------
 10 files changed, 174 insertions(+), 299 deletions(-)
---
base-commit: 1843e16d2df9d98427ef8045589571749d627cf7
change-id: 20240310-drm-imx-cleanup-10746a9b71f5

Best regards,
-- 
Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>





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