int32_t increase_refcount();
int32_t decrease_refcount();
- int32_t lock(uint32_t map_flags, uint8_t *addr[DRV_MAX_PLANES]);
+ int32_t lock(const struct rectangle *rect, uint32_t map_flags,
+ uint8_t *addr[DRV_MAX_PLANES]);
int32_t unlock();
private: