subject:"\[PATCH 2\/2\] drm\/dp_mst\: Handle SST\-only branch device case"

RE: [PATCH 2/2] drm/dp_mst: Handle SST-only branch device case

2020-01-14 Thread Lin, Wayne

ä > ; Wentland, Harry > Subject: Re: [PATCH 2/2] drm/dp_mst: Handle SST-only branch device case > > On Wed, 2020-01-08 at 16:44 +0800, Wayne Lin wrote: > > [Why] > > While handling LINK_ADDRESS reply, current code expects a peer device > > can handle sideba

Re: [PATCH 2/2] drm/dp_mst: Handle SST-only branch device case

2020-01-14 Thread Lyude Paul

On Wed, 2020-01-08 at 16:44 +0800, Wayne Lin wrote: > [Why] > While handling LINK_ADDRESS reply, current code expects a peer device > can handle sideband message once the peer device type is reported as > DP_PEER_DEVICE_MST_BRANCHING. However, when the connected device is > a SST branch case, it ca

[PATCH 2/2] drm/dp_mst: Handle SST-only branch device case

2020-01-08 Thread Wayne Lin

[Why] While handling LINK_ADDRESS reply, current code expects a peer device can handle sideband message once the peer device type is reported as DP_PEER_DEVICE_MST_BRANCHING. However, when the connected device is a SST branch case, it can't handle the sideband message(MST_CAP=0 in DPCD 00021h). Cu