Re: [PATCH 1/1] drm/dp_mst: Kill the second sideband tx slot, save the world

2020-04-30 Thread Sasha Levin
Hi [This is an automated email] This commit has been processed because it contains a "Fixes:" tag fixing commit: ad7f8a1f9ced ("drm/helper: add Displayport multi-stream helper (v0.6)"). The bot has tested the following trees: v5.6.7, v5.4.35, v4.19.118, v4.14.177, v4.9.220, v4.4.220. v5.6.7:

[PATCH 1/1] drm/dp_mst: Kill the second sideband tx slot, save the world

2020-04-27 Thread Lyude Paul
While we support using both tx slots for sideband transmissions, it appears that DisplayPort devices in the field didn't end up doing a very good job of supporting it. From section 5.2.1 of the DP 2.0 specification: There are MST Sink/Branch devices in the field that do not handle interleaved