RE: [PATCH] drm/amd/mst: clean DP main link status only when unplug mst 1st link

2020-08-06 Thread Lin, Wayne
ATCH] drm/amd/mst: clean DP main link status only when > unplug mst 1st link > > On 08/04, Wayne Lin wrote: > > [Why] > > Under DP daisy chain scenario as below: > > > > Src - Monitor_1 - Monitor_2 > > > > If unplug 2nd Monitor_2 and plug in agai

Re: [PATCH] drm/amd/mst: clean DP main link status only when unplug mst 1st link

2020-08-05 Thread Rodrigo Siqueira
On 08/04, Wayne Lin wrote: > [Why] > Under DP daisy chain scenario as below: > > Src - Monitor_1 - Monitor_2 > > If unplug 2nd Monitor_2 and plug in again, observe that Monitor_1 > doesn't light up. > > When unplug 2nd monitor, we clear the > dc_link->cur_link_settings.lane_count in

RE: [PATCH] drm/amd/mst: clean DP main link status only when unplug mst 1st link

2020-08-03 Thread Lin, Wayne
; ; Siqueira, Rodrigo > ; Zuo, Jerry ; Lin, Wayne > > Subject: [PATCH] drm/amd/mst: clean DP main link status only when unplug > mst 1st link > > [Why] > Under DP daisy chain scenario as below: > > Src - Monitor_1 - Monitor_2 > > If unplug 2nd Monitor_2 and pl

[PATCH] drm/amd/mst: clean DP main link status only when unplug mst 1st link

2020-08-03 Thread Wayne Lin
[Why] Under DP daisy chain scenario as below: Src - Monitor_1 - Monitor_2 If unplug 2nd Monitor_2 and plug in again, observe that Monitor_1 doesn't light up. When unplug 2nd monitor, we clear the dc_link->cur_link_settings.lane_count in dm_dp_destroy_mst_connector(). However this link

[PATCH] drm/amd/mst: clean DP main link status only when unplug mst 1st link

2020-08-03 Thread Wayne Lin
[Why] Under DP daisy chain scenario as below: Src - Monitor_1 - Monitor_2 If unplug 2nd Monitor_2 and plug in again, observe that Monitor_1 doesn't light up. When unplug 2nd monitor, we clear the dc_link->cur_link_settings.lane_count in dm_dp_destroy_mst_connector(). However this link