Re: [RFC 4/4] drm/i915/mst: enable MST mode for 128b/132b single-stream sideband

2024-02-12 Thread Ville Syrjälä
On Mon, Feb 12, 2024 at 05:30:40PM +0200, Jani Nikula wrote: > On Fri, 02 Feb 2024, Ville Syrjälä wrote: > > On Fri, Feb 02, 2024 at 04:05:34PM +0200, Jani Nikula wrote: > >> If the sink supports 128b/132b and single-stream sideband messaging, > >> enable MST mode. > >> > >> With this, the topolo

Re: [RFC 4/4] drm/i915/mst: enable MST mode for 128b/132b single-stream sideband

2024-02-12 Thread Jani Nikula
On Fri, 02 Feb 2024, Ville Syrjälä wrote: > On Fri, Feb 02, 2024 at 04:05:34PM +0200, Jani Nikula wrote: >> If the sink supports 128b/132b and single-stream sideband messaging, >> enable MST mode. >> >> With this, the topology manager will still write DP_MSTM_CTRL, which >> should be ignored by t

Re: [RFC 4/4] drm/i915/mst: enable MST mode for 128b/132b single-stream sideband

2024-02-02 Thread Ville Syrjälä
On Fri, Feb 02, 2024 at 04:05:34PM +0200, Jani Nikula wrote: > If the sink supports 128b/132b and single-stream sideband messaging, > enable MST mode. > > With this, the topology manager will still write DP_MSTM_CTRL, which > should be ignored by the sink. In the future, > drm_dp_mst_topology_mgr_

[RFC 4/4] drm/i915/mst: enable MST mode for 128b/132b single-stream sideband

2024-02-02 Thread Jani Nikula
If the sink supports 128b/132b and single-stream sideband messaging, enable MST mode. With this, the topology manager will still write DP_MSTM_CTRL, which should be ignored by the sink. In the future, drm_dp_mst_topology_mgr_set_mst() bool mst_state parameter should probably be turned into an enum