* Re: [PATCH 0/2] Add SCDC information to connector debugfs
[not found] <20260415-scdc-link-health-v1-0-8e731e88eaf0@collabora.com>
@ 2026-05-08 14:34 ` Nicolas Frattaroli
0 siblings, 0 replies; only message in thread
From: Nicolas Frattaroli @ 2026-05-08 14:34 UTC (permalink / raw)
To: Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, David Airlie,
Simona Vetter, Andrzej Hajda, Neil Armstrong, Robert Foss,
Laurent Pinchart, Jonas Karlman, Jernej Skrabec
Cc: kernel, dri-devel, linux-kernel
On Wednesday, 15 April 2026 17:56:41 Central European Summer Time Nicolas Frattaroli wrote:
> HDMI uses the DDC I2C bus for communicating various bits of link status
> out of band with the actual HDMI video signal. This information can be
> useful for debugging issues like questionable cables sabotaged by feline
> teeth, Enthusiast Grade cables made of cow fencing wire, and other such
> problems that ruin one's media viewing plans.
>
> Consequently, this series exposes various bits of pertinent information
> from the SCDC protocol in an HDMI connector's debugfs. To continually
> poll the link status, userspace can poll the debugfs file.
>
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
> ---
> Nicolas Frattaroli (2):
> drm/scdc-helper: Add scdc_status debugfs entry
> drm/display: bridge_connector: init scdc debugfs for HDMI
>
> drivers/gpu/drm/display/drm_bridge_connector.c | 4 +
> drivers/gpu/drm/display/drm_scdc_helper.c | 229 +++++++++++++++++++++++++
> include/drm/display/drm_scdc_helper.h | 56 ++++++
> 3 files changed, 289 insertions(+)
> ---
> base-commit: 4c59525db84aca677fd9f052e662912ad9d88448
> change-id: 20260413-scdc-link-health-89326013d96c
>
> Best regards,
> --
> Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
>
>
Is anyone interested in picking this up for review? It has been over
three weeks with no response so far, and I'm getting worried this
will just be forgotten about.
Thanks,
Nicolas Frattaroli
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