On Wednesday, June 21st, 2023 at 14:11, Jani Nikula <jani.nik...@intel.com> 
wrote:

> On Wed, 21 Jun 2023, Simon Ser cont...@emersion.fr wrote:
> 
> > On Wednesday, June 21st, 2023 at 14:05, Jani Nikula jani.nik...@intel.com 
> > wrote:
> > 
> > > > - if (changed)
> > > > + if (hweight32(changed) == 1)
> > > > + drm_kms_helper_connector_hotplug_event(first_changed_connector);
> > > 
> > > What if more than one connector share the same hpd pin?
> > 
> > Ah, I did not believe this could happen. I'll rework the patch to
> > count the number of changed connectors instead.
> 
> A DP++ port is probably the prime example of this, with both DP and HDMI
> connectors.

Wouldn't that be handled by the separate DP logic though? (The
drm_dp_mst family of helpers.)

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