On Fri, Aug 21, 2020 at 01:43:39PM -0400, Lyude Paul wrote: > [...] > > The wording is a bit unclear, but as I understand the Standard only > > calls for the above: > > > > """ > > A DP upstream device shall read the capability from DPCD Addresses 00080h > > through 00083h. A DP Branch device with multiple DFPs shall report the > > detailed > > capability information of the lowest DFP number to which a downstream device > > is connected, consistent with the DisplayID or legacy EDID access routing > > policy > > of an SST-only DP Branch device as described in Section 2.1.4.1. > > """ > > So-I saw this too, but notice the use of the language "A /DP Branch/ device with > multiple DFPs shall report the detailed…". This makes me think it's implying > that this is a requirement for MSTBs and not SST sinks, just a guess. Not sure either. The above could also refer to an SST branch device with multiple DFPs (for instance a DP Replicator branch device). --Imre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
