linux-kernel - Re: [PATCH v3 2/3] drm/bridge: it6505: HDCP CTS fail on repeater items

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Message-ID: <4viir5prnuvpp76npblwmdrwlttm5daumvdnocipdsn6geyxvf@2yfcytjb3ono>
Date: Mon, 23 Sep 2024 13:14:43 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Hermes Wu <Hermes.Wu@....com.tw>
Cc: Pin-yen Lin <treapking@...omium.org>, 
	Kenneth Hung <Kenneth.hung@....com.tw>, 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>, 
	"open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/3] drm/bridge: it6505: HDCP CTS fail on repeater
 items

On Mon, Sep 23, 2024 at 05:48:28PM GMT, Hermes Wu wrote:
> From: Hermes Wu <Hermes.wu@....com.tw>
> 
> Changes in v3:
>  -add detials about fail item and changes.
> 
> 
> Fix HDCP CTS fail items on UNIGRAF DRP-100
> 
> DUT must Support 127 devices.
> DUT must check BSTATUS when recive CP_IRQ.
> DUT must enable encription when R0' is ready.
> DUT must retry V' check 3 times.
> it6505 must read DRP-100 KSV FIFO by FIFO mode.
> it6505 should restart HDCP within 5s if KSV not ready.

Still not readable.

English text, please. Split the patch to fix one issue at a time.
Describe the _reason_ for the change. Annotate fixes with Fixes tags.

> 
> Signed-off-by: Hermes Wu <Hermes.wu@....com.tw>
> ---
>  drivers/gpu/drm/bridge/ite-it6505.c | 112 ++++++++++++++++++----------
>  1 file changed, 74 insertions(+), 38 deletions(-)

-- 
With best wishes
Dmitry