Claude review: drm/msm/dp: wire MST helpers into atomic check and commit paths

Claude Code Review Bot
2026-04-12T00:16:19Z

Patch Review

Wires `drm_dp_mst_atomic_check()` into `msm_atomic_check()` and `drm_dp_mst_atomic_wait_for_dependencies()` into the commit tail. Also sets `drm_dp_mst_atomic_setup_commit` as the `atomic_commit_setup` helper. This is the correct standard integration pattern for DRM MST.

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