Re: [PATCH] drm/dp_mst: Use the correct DPCD space in Synaptics quirk

2021-04-26 Thread Lyude Paul
mhhh, probably should do this a bit differently. Also adding Koba since this involves using extended DPCD caps in the MST topology mgr. On Fri, 2021-04-23 at 16:05 -0400, Nikola Cornij wrote: > [why] > Two conditions that were part of this fix did not go through: > > 1. DPCD revision has to b

[PATCH] drm/dp_mst: Use the correct DPCD space in Synaptics quirk

2021-04-23 Thread Nikola Cornij
[why] Two conditions that were part of this fix did not go through: 1. DPCD revision has to be v1.4 and up This was because wrong DPCD space was used to get the values 2. Downstream port must not be VGA converter This was because for MST the topology manager AUX has to be used, due to th