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Message-Id: <20241016-upstream-v6-v6-0-4d93a0c46de1@ite.com.tw>
Date: Wed, 16 Oct 2024 15:54:12 +0800
From: Hermes Wu via B4 Relay <devnull+Hermes.wu.ite.com.tw@...nel.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>,
Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Pin-yen Lin <treapking@...omium.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Kenneth Hung <Kenneth.hung@....com.tw>, Pet Weng <Pet.Weng@....com.tw>,
Hermes Wu <Hermes.wu@....com.tw>
Subject: [PATCH v6 00/10] drm/bridge: it6505: fix HDCP CTS fail items and
add MCCS support
This is a v6 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.
v5->v6:
-keep the commit message wrapped at 72-75 chars.
-[10/10] fix return variable being used without being initialized
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.Wu@ite.com.tw/
https://lore.kernel.org/all/20240926075134.22394-1-Hermes.Wu@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
Change-Id: Iad0c056d72abf2655081357cf40c3b0d3df916b5
Signed-off-by: Hermes Wu <Hermes.wu@....com.tw>
---
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(-)
---
base-commit: b8128f7815ff135f0333c1b46dcdf1543c41b860
change-id: 20241015-upstream-v6-9f4b015fecf7
Best regards,
--
Hermes Wu <Hermes.wu@....com.tw>
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