void drv_modify_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
uint64_t usage);
struct kms_item *drv_query_kms(struct driver *drv, uint32_t *num_items);
void drv_modify_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
uint64_t usage);
struct kms_item *drv_query_kms(struct driver *drv, uint32_t *num_items);