[PATCH 2/3] drm/dp_mst: Skip CSN if topology probing is not done yet

[Lyude Paul]

Ah yep! I thought you had push rights for some reason

Also, just so patchwork picks up on it before I push:

Reviewed-by: Lyude Paul <lyude at redhat.com>

On Wed, 2024-07-03 at 08:13 +0000, Lin, Wayne wrote:
> [Public]
> 
> > -----Original Message-----
> > From: Lyude Paul <lyude at redhat.com>
> > Sent: Saturday, June 29, 2024 1:40 AM
> > To: Lin, Wayne <Wayne.Lin at amd.com>; amd-gfx at lists.freedesktop.org;
> > dri-
> > devel at lists.freedesktop.org
> > Cc: jani.nikula at intel.com; imre.deak at intel.com; daniel at ffwll.ch;
> > Wentland,
> > Harry <Harry.Wentland at amd.com>; Zuo, Jerry <Jerry.Zuo at amd.com>;
> > stable at vger.kernel.org
> > Subject: Re: [PATCH 2/3] drm/dp_mst: Skip CSN if topology probing
> > is not
> > done yet
> > 
> > On Thu, 2024-06-27 at 09:04 +0000, Lin, Wayne wrote:
> > > 
> > > I understand your concern. My patch will just check whether mst
> > > manager starts the probing process or not by confirming whether
> > > we
> > > sent LINK_ADDRESS to the 1st mst branch already. It will drop the
> > > CSN
> > > event only when the event comes earlier than the probing. The CSN
> > > events occur during topology probing should still have chance to
> > > be
> > > handled after probing process release the
> > > mgr->probe_lock
> > > I think. Does this make sense to you please? Thanks!
> > 
> > Yeah - that seems like the perfect solution :), sounds good to me
> 
> Thanks, Lyude!
> Could you help to merge drm changes - the [PATCH 1/3] and this one
> [PATCH 2/3] then please? The last one [PATCH 3/3], changes in amd
> only,
> I'll ping a gain for review. Appreciate : )
> 
> > 
> > > 
> > > > >     } else if (up_req->msg.req_type ==
> > > > > DP_RESOURCE_STATUS_NOTIFY) {
> > > > >             const struct drm_dp_resource_status_notify
> > > > > *res_stat =
> > > > >                     &up_req->msg.u.resource_stat;
> > > > 
> > > > --
> > > > Cheers,
> > > >  Lyude Paul (she/her)
> > > >  Software Engineer at Red Hat
> > > 
> > > --
> > > Regards,
> > > Wayne Lin
> > > 
> > 
> > --
> > Cheers,
> >  Lyude Paul (she/her)
> >  Software Engineer at Red Hat
> 
> --
> Regards,
> Wayne Lin

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat

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