Re: [PATCH v3 04/11] drm/dp_mst: Register connectors via drm_connector_dynamic_register()

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On Thu, Dec 12, 2024 at 12:12:15PM +0200, Jani Nikula wrote:
> On Thu, 12 Dec 2024, Imre Deak <imre.deak@xxxxxxxxx> wrote:
> > MST connectors should be initialized/registered by calling
> > drm_connector_dynamic_init()/drm_connector_dynamic_register(). The
> > previous patch adding these functions explains the issue with the
> 
> References to "previous patch" become meaningless after this has been
> committed.

Ok, will change it to: "The patch adding these functions ...".

> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> 
> > current drm_connector_init*()/drm_connector_register() interface for
> > MST connectors.
> >
> > Based on the above adjust here the registration part and change the
> > initialization part in follow-up patches for each driver.
> >
> > For now, drivers are allowed to keep using the drm_connector_init*()
> > functions, by drm_connector_dynamic_register() checking for this (see
> > drm_connector_add()). A patch later will change this to WARN in such
> > cases.
> >
> > Cc: Lyude Paul <lyude@xxxxxxxxxx>
> > Cc: Harry Wentland <harry.wentland@xxxxxxx>
> > Cc: Leo Li <sunpeng.li@xxxxxxx>
> > Cc: Wayne Lin <wayne.lin@xxxxxxx>
> > Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> > Cc: Karol Herbst <kherbst@xxxxxxxxxx>
> > Cc: Danilo Krummrich <dakr@xxxxxxxxxx>
> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/display/drm_dp_mst_topology.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
> > index 687c70308d82b..f8cd094efa3c0 100644
> > --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
> > +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
> > @@ -2281,7 +2281,7 @@ drm_dp_mst_port_add_connector(struct drm_dp_mst_branch *mstb,
> >  		port->cached_edid = drm_edid_read_ddc(port->connector,
> >  						      &port->aux.ddc);
> >  
> > -	drm_connector_register(port->connector);
> > +	drm_connector_dynamic_register(port->connector);
> >  	return;
> >  
> >  error:
> 
> -- 
> Jani Nikula, Intel



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