On Wed, 2022-08-10 at 03:28 +, Lin, Wayne wrote:
> Hi Lyude,
> Thanks for your time and sorry for late response!
>
> It's described in 5.6.1.3 of DP spec 2.0:
> "MST branch device, in addition to waiting for the ACK from its immediate
> Upstream device, should either wait for the ALLOCATE_PA
eak
> ; Daniel Vetter ; Sean Paul
> ; David Airlie ; Daniel Vetter
> ; Thomas Zimmermann ; Lakha,
> Bhawanpreet ; open list ker...@vger.kernel.org>
> Subject: Re: [RESEND RFC 15/18] drm/display/dp_mst: Skip releasing
> payloads if last connected port isn't connected
>
.@lists.freedesktop.org
> > Cc: Lin, Wayne ; Ville Syrjälä
> > ; Zuo, Jerry ; Jani
> > Nikula
> > ; Imre Deak ; Daniel Vetter
> > ; Sean Paul ; David Airlie
> > ; Daniel Vetter ; Thomas Zimmermann
> > ; Lakha, Bhawanpreet
> > ; open list
> > Su
mre Deak ; Daniel Vetter
> ; Sean Paul ; David Airlie
> ; Daniel Vetter ; Thomas Zimmermann
> ; Lakha, Bhawanpreet
> ; open list
> Subject: [RESEND RFC 15/18] drm/display/dp_mst: Skip releasing payloads if
> last connected port isn't connected
>
> In the past, we'
In the past, we've ran into strange issues regarding errors in response to
trying to destroy payloads after a port has been unplugged. We fixed this
back in:
This is intended to replace the workaround that was added here:
commit 3769e4c0af5b ("drm/dp_mst: Avoid to mess up payload table by ports i