Re: [PATCH v8 4/9] drm/bridge: pass extra events to the HPD callback

From: Luca Ceresoli

Date: Thu Nov 05 2026 - 07:07:10 EST


On Sat, 24 Oct 2026 03:35:20 +0300, Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx> wrote:
> The DisplayPort standard defines a special kind of HPD events called
> IRQ_HPD. These events are used to notify DP Source about the events on
> the Sink side.
>
> Bridge drivers report these events through the
> drm_bridge_hpd_notify_extra(). Pass down the extra status to the HPD
> callback, specified during the drm_bridge_hpd_enable(), letting
> underlying drivers (e.g. drm_bridge_connector) to receive these events.
>
> [...]

Reviewed-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx>

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com