drm/nouveau/kms: Pull mst state in for all modesets

Since we're going to be relying on atomic locking for payloads now (and the
MST mgr needs to track CRTCs), pull in the topology state for all modesets
in nv50_msto_atomic_check().

Signed-off-by: Lyude Paul <[email protected]>
Acked-by: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

drivers/gpu/drm/nouveau/dispnv50/disp.c

@@ -1049,7 +1049,7 @@ nv50_msto_atomic_check(struct drm_encoder *encoder,
 	if (ret)
 		return ret;
 
-	if (!crtc_state->mode_changed && !crtc_state->connectors_changed)
+	if (!drm_atomic_crtc_needs_modeset(crtc_state))
 		return 0;
 
 	/*