[PATCH v2 0/2] Set CLEAR_PAYLOAD_ID_TABLE as broadcast request

[Lin, Wayne]

[AMD Public Use]

Thanks Lyude!

Regards,
Wayne

> -----Original Message-----
> From: Lyude Paul <lyude at redhat.com>
> Sent: Thursday, February 25, 2021 2:09 AM
> To: Lin, Wayne <Wayne.Lin at amd.com>; dri-devel at lists.freedesktop.org
> Cc: ville.syrjala at linux.intel.com; stable at vger.kernel.org; Kazlauskas, Nicholas <Nicholas.Kazlauskas at amd.com>; Wentland, Harry
> <Harry.Wentland at amd.com>; Zuo, Jerry <Jerry.Zuo at amd.com>; Brol, Eryk <Eryk.Brol at amd.com>; Zhuo, Qingqing
> <Qingqing.Zhuo at amd.com>
> Subject: Re: [PATCH v2 0/2] Set CLEAR_PAYLOAD_ID_TABLE as broadcast request
>
> also - I meant to reply to v2, not v1 :). Just so you don't worry that I pushed the wrong patch series version
>
> On Wed, 2021-02-24 at 18:15 +0800, Wayne Lin wrote:
> > While testing MST hotplug events on daisy chain monitors, find out
> > that CLEAR_PAYLOAD_ID_TABLE is not broadcasted and payload id table is
> > not reset. Dig in deeper and find out two parts needed to be fixed.
> >
> > 1. Link_Count_Total & Link_Count_Remaining of Broadcast message are
> > incorrect. Should set lct=1 & lcr=6 2. CLEAR_PAYLOAD_ID_TABLE request
> > message is not set as path broadcast request message. Should fix this.
> >
> > Changes since v1:
> > *Refer to the suggestion from Ville Syrjala. While preparing hdr-rad,
> > take broadcast case into consideration.
> >
> > Wayne Lin (2):
> >   drm/dp_mst: Revise broadcast msg lct & lcr
> >   drm/dp_mst: Set CLEAR_PAYLOAD_ID_TABLE as broadcast
> >
> >  drivers/gpu/drm/drm_dp_mst_topology.c | 17 ++++++++++++-----
> >  1 file changed, 12 insertions(+), 5 deletions(-)
> >
> > --
> > 2.17.1
> >
>
> --
> Sincerely,
>    Lyude Paul (she/her)
>    Software Engineer at Red Hat
>
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