From: Hermes Wu <hermes...@ite.com.tw>
This is a v5 patch-set.
There are lots of failure items while running HDCP CTS using UNIGRAF DPR-100.
In Order to fix those failures, HDCP flow needs to be changed.
The DisplayPort AUX protocol supports I2C transport.
In Order to support MCCS via the aux channel, the aux-i2c operation is added.
v4 ->v5:
-add more messages for changes.
-[2/10] modified AUX transfer data size judgment.
change for-loop to do-while.
-[7/10] change for-loop to do-while.
-[9/10] change wait timer with timer_after()
links:
https://lore.kernel.org/all/20240926074755.22176-4-hermes...@ite.com.tw/
https://lore.kernel.org/all/20240926075134.22394-1-hermes...@ite.com.tw/
v3 ->v4:
-split changes into patches.
v2- > v3:
-split aux read KSV function to a patch.
-[1/3] new in v3
-[2/3] add description of patch
v1 -> v2 :
- ignored.
Hermes Wu (10):
drm/bridge: it6505: Change definition of AUX_FIFO_MAX_SIZE
drm/bridge: it6505: improve AUX operation for edid read
drm/bridge: it6505: add AUX operation for HDCP KSV list read
drm/bridge: it6505: Change definition MAX_HDCP_DOWN_STREAM_COUNT
drm/bridge: it6505: fix HDCP Bstatus check
drm/bridge: it6505: fix HDCP encryption when R0 ready
drm/bridge: it6505: fix HDCP CTS KSV list read with UNIGRAF DPR-100.
drm/bridge: it6505: fix HDCP CTS compare V matching
drm/bridge: it6505: fix HDCP CTS KSV list wait timer
drm/bridge: it6505: add I2C functionality on AUX
drivers/gpu/drm/bridge/ite-it6505.c | 334 +++++++++++++++++++++++-----
1 file changed, 277 insertions(+), 57 deletions(-)
--
2.34.1
