hi >-----Original Message----- >From: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> >Sent: Sunday, October 20, 2024 9:57 PM >To: Hermes Wu (吳佳宏) <Hermes.Wu@xxxxxxxxxx> >Cc: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>; Neil Armstrong <neil.armstrong@xxxxxxxxxx>; Robert Foss <rfoss@xxxxxxxxxx>; Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>; Jonas Karlman <jonas@xxxxxxxxx>; Jernej Skrabec <jernej.skrabec@xxxxxxxxx>; Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>; Maxime Ripard <mripard@xxxxxxxxxx>; Thomas Zimmermann <tzimmermann@xxxxxxx>; David Airlie <airlied@xxxxxxxxx>; Simona Vetter <simona@xxxxxxxx>; AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>; Pin-yen Lin <treapking@xxxxxxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Kenneth Hung (洪家倫) <Kenneth.Hung@xxxxxxxxxx>; Pet Weng (翁玉芬) <Pet.Weng@xxxxxxxxxx> >Subject: Re: [PATCH v6 00/10] drm/bridge: it6505: fix HDCP CTS fail items and add MCCS support > >On Wed, Oct 16, 2024 at 03:54:12PM +0800, Hermes Wu via B4 Relay wrote: >> 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 > >I have reviewed the patches that I could review, but I lack deep HDCP knowledge, so I can not review patches 5, 6, 8, 9. Hopefully somebody else can step up. > thank you. >> 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://urldefense.com/v3/__https://lore.kernel.org/all/20240926074755.22176-4-Hermes.Wu@xxxxxxxxxx/__;!!HtnLE8A!HOwy05_egTbj5U7vrjfPhJC21VK_Jxll8UWNOcGEzNSDxnKQjE6QSLhamd-IROE-SxGOrzFS_SLfixtORjLLBTjdL3SV$ >> >> https://urldefense.com/v3/__https://lore.kernel.org/all/20240926075134 >> .22394-1-Hermes.Wu@xxxxxxxxxx/__;!!HtnLE8A!HOwy05_egTbj5U7vrjfPhJC21VK >> _Jxll8UWNOcGEzNSDxnKQjE6QSLhamd-IROE-SxGOrzFS_SLfixtORjLLBTc_Yg8R$ >> >> 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@xxxxxxxxxx> >> --- >> 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@xxxxxxxxxx> >> >> > >-- >With best wishes >Dmitry > BR, Hermes
