[Freedreno] [[RFC]DPU PATCH] drm/bridge: add support for sn65dsi86 bridge chip

[Sandeep Panda]

This patchset add support for ti based sn65dsu86 bridge chip,
which takes dsi video mode signal as input and coverts it
to eDP signal as output.

Current driver uses device tree entries to get the required
gpio pin numbers that needs to be configured to enable the
DSI reciever and eDP connector part. Also this driver implments
two methods to determine the modes supported by the display
panel depending on whether HPD is enabled or not. First method
is based on EDID read which is used if panel supports HDP and
the second method is based on custome modes added in dtsi file
when panel does not support HPD.

Current patch is not yet tested on an actual sn65dsi86 bridge HW.

Sandeep Panda (1):
  drm/bridge: add sn65dsi86 bridge driver support

 .../bindings/display/bridge/ti,sn65dsi86.txt       |   53 +
 drivers/gpu/drm/bridge/ti-sn65dsi86.c              | 1146 ++++++++++++++++++++
 2 files changed, 1199 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt
 create mode 100644 drivers/gpu/drm/bridge/ti-sn65dsi86.c

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