Re: [PATCH v5 00/10]drm/bridge: it6505: fix HDCP CTS fail items and add MCCS support

From: Dmitry Baryshkov
Date: Mon Oct 14 2024 - 10:06:59 EST


On Tue, Oct 01, 2024 at 02:42:59PM +0800, Hermes Wu wrote:
> From: Hermes Wu <Hermes.wu@xxxxxxxxxx>
>
> This is a v5 patch-set.

Please check the way you are sending your patches. For some reason my
email client lists patches 0-4 separately, patches 6-8 as a separate
thread and patches 5, 9, 10 as individual patches. Please use single git
send-email command to send the whole patchset.

>
> 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.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
>
> drivers/gpu/drm/bridge/ite-it6505.c | 334 +++++++++++++++++++++++-----
> 1 file changed, 277 insertions(+), 57 deletions(-)
>
> --
> 2.34.1
>

--
With best wishes
Dmitry