Re: [PATCH v2 1/6] drm/dp_mst: Introduce drm_dp_mst_connector_atomic_check()

2018-09-20 Thread Harry Wentland
On 2018-09-19 07:08 PM, Lyude Paul wrote: > Currently the way that we prevent userspace from performing new modesets > on MST connectors that have just been destroyed is rather broken. > There's nothing in the actual DRM DP MST topology helpers that checks > whether or not a connector still

[PATCH v2 1/6] drm/dp_mst: Introduce drm_dp_mst_connector_atomic_check()

2018-09-19 Thread Lyude Paul
Currently the way that we prevent userspace from performing new modesets on MST connectors that have just been destroyed is rather broken. There's nothing in the actual DRM DP MST topology helpers that checks whether or not a connector still exists, instead each DRM driver does this on it's own,