Re: [PATCH 1/2] drm: Introduce a new connector status

[Marius Vlad <marius.vlad@collabora.com>]

Hi Ian,

On Tue, Sep 23, 2025 at 12:34:58PM -0500, Ian Forbes wrote:
> On Tue, Sep 23, 2025 at 3:36 AM Marius Vlad <marius.vlad@collabora.com> wrote:
> >
> > This patch introduces a new boolean variable used to track connector's
> > connect/disconnect status and it is being used on both polling and
> > the HPD (Hot Plug Detect) paths.
> >
> > A subsequent patch would make use of this connector status to propagate
> > per-connector udev hot plug events. This allows user-space to receive
> > the connector's ID, rather than having a generic hot-plug event for all
> > connectors, or in the HPD path, just the first one found with a
> > connection status change.
> >
> > Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
> > ---
> 
> How do you see this working with virtual connectors which can hotplug
> without a connected -> disconnected -> connected cycle?

tbh I don't see how those hot plug events are generated on virtual
connectors. Do you have a particular driver in mind, or how do you
"simulate" that hotplug cycle?

Pushed today a v4 of this patches series which adds polling in the vkms
driver and with that in I'm able to use sysfs and simulate a hot plug
event, like you'd have regular connectors. I've CC'ed on that v4 if 
you'd like to have another go.