Re: [Intel-gfx] [RFC 17/20] drm/nouveau/kms/nv50-: Add support for DP_SINK_COUNT

2020-08-11 Thread Ben Skeggs
On Wed, 12 Aug 2020 at 06:06, Lyude Paul wrote: > > This is another bit that we never implemented for nouveau: dongle > detection. When a "dongle", e.g. an active display adaptor, is hooked up > to the system and causes an HPD to be fired, we don't actually know > whether or not there's anything p

[Intel-gfx] [RFC 17/20] drm/nouveau/kms/nv50-: Add support for DP_SINK_COUNT

2020-08-11 Thread Lyude Paul
This is another bit that we never implemented for nouveau: dongle detection. When a "dongle", e.g. an active display adaptor, is hooked up to the system and causes an HPD to be fired, we don't actually know whether or not there's anything plugged into the dongle without checking the sink count. As