linux-kernel - Re: [PATCH v4] drm/bridge:anx7625: Update HDCP content status

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Message-Id: <173469290130.3312755.9971815452869868353.b4-ty@linaro.org>
Date: Fri, 20 Dec 2024 12:08:21 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 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>, 
 Xin Ji <xji@...logixsemi.com>
Cc: bliang@...logixsemi.com, qwen@...logixsemi.com, treapking@...omium.org, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] drm/bridge:anx7625: Update HDCP content status

Hi,

On Thu, 19 Dec 2024 15:03:29 +0800, Xin Ji wrote:
> When user enabled HDCP feature, userspace will set HDCP content
> to DRM_MODE_CONTENT_PROTECTION_DESIRED. Next, anx7625 will update
> HDCP content to DRM_MODE_CONTENT_PROTECTION_ENABLED if down stream
> support HDCP feature.
> 
> As anx7625 bridge IC will be power down after call .atomic_disable(),
> then all HDCP status will be lost on chip. So we should reestablish
> HDCP again in .atomic_enable(), and update hdcp content to DESIRE if
> current HDCP content is ENABLE in .atomic_disable().
> 
> [...]

Thanks, Applied to https://gitlab.freedesktop.org/drm/misc/kernel.git (drm-misc-next)

[1/1] drm/bridge:anx7625: Update HDCP content status
      https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/a253b0b1292b4db0fec5733acceffc87bad4ffaf

-- 
Neil