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From: Lyude Paul <lyude@redhat.com>
To: "Lin, Wayne" <Wayne.Lin@amd.com>,
	"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>
Cc: "jani.nikula@intel.com" <jani.nikula@intel.com>,
	"imre.deak@intel.com" <imre.deak@intel.com>,
	"daniel@ffwll.ch" <daniel@ffwll.ch>,
	"Wentland, Harry" <Harry.Wentland@amd.com>,
	"Zuo, Jerry" <Jerry.Zuo@amd.com>,
	 "stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH 2/3] drm/dp_mst: Skip CSN if topology probing is not done yet
Date: Fri, 28 Jun 2024 13:40:14 -0400	[thread overview]
Message-ID: <9004911c3b8c44afecb354db736f4d7d84c0cf19.camel@redhat.com> (raw)
In-Reply-To: <CO6PR12MB5489CB4E5CFB71CF8E812BEEFCD72@CO6PR12MB5489.namprd12.prod.outlook.com>

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

> 
> > >     } 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


  reply	other threads:[~2024-06-28 17:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240626084825.878565-1-Wayne.Lin@amd.com>
2024-06-26  8:48 ` [PATCH 1/3] drm/dp_mst: Fix all mstb marked as not probed after suspend/resume Wayne Lin
2024-06-26 16:22   ` Lyude Paul
2024-06-26  8:48 ` [PATCH 2/3] drm/dp_mst: Skip CSN if topology probing is not done yet Wayne Lin
2024-06-26 16:20   ` Lyude Paul
2024-06-27  9:04     ` Lin, Wayne
2024-06-28 17:40       ` Lyude Paul [this message]
2024-07-03  8:13         ` Lin, Wayne
2024-07-03 13:51           ` Lyude Paul

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