vs_plane_state
struct vs_plane_state *vs_state, *vs_state_old;
struct vs_plane_state *vs_state;
static inline struct vs_plane_state *to_vs_plane_state(struct drm_plane_state *state)
return container_of(state, struct vs_plane_state, base);
struct vs_plane_state *vs_state = to_vs_plane_state(state);
struct vs_plane_state *new_vs_plane_state = to_vs_plane_state(new_plane_state);