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[v4,0/2] Add LT9611UXC DSI to HDMI bridge support

Message ID 20201102011435.1100930-1-dmitry.baryshkov@linaro.org
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Series Add LT9611UXC DSI to HDMI bridge support | expand

Message

Dmitry Baryshkov Nov. 2, 2020, 1:14 a.m. UTC 
Hi,

This series adds support for Lontium LT9611UXC bridge chip which takes
MIPI DSI as input and provides HDMI signal as output.

The chip can be found in Qualcomm RB5 platform [1], [2].

[1] https://www.qualcomm.com/products/qualcomm-robotics-rb5-platform
[2] https://www.thundercomm.com/app_en/product/1590131656070623

Changes since v3:
 - Support for firmware upgrades
 - Simplified modes table to include only used fields (w, h, refresh)
 - Added more entries to display modes table, as more modes are
   supported by the firmware
 - Wait for EDID to be available from the hardware before reading it
 - Do not store EDID in the interim buffer, lowering the size of
   per-device struct

Changes since v2:
 - Squashed connector support into main patch
 - Added comment on modes table
 - Dropped display timings support, covered by EDID
 - Dropped sleep mode support
 - Dropped hpd_status reading from ISR handler
 - Added "sentinel" comments to empty table entries

Changes since v1:
 - Fix whitespaces/indentation
 - Support working without DRM_BRIDGE_ATTACH_NO_CONNECTOR