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. > > 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@xxxxxxxxxx/ > https://lore.kernel.org/all/20240926075134.22394-1-Hermes.Wu@xxxxxxxxxx/ > > 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
