lsdc_bo_pin
ret = lsdc_bo_pin(lbo, LSDC_GEM_DOMAIN_GTT, NULL);
ret = lsdc_bo_pin(lbo, 0, NULL);
ret = lsdc_bo_pin(lbo, LSDC_GEM_DOMAIN_VRAM, &gpu_vaddr);
ret = lsdc_bo_pin(lbo, domain, NULL);
int lsdc_bo_pin(struct lsdc_bo *lbo, u32 domain, u64 *gpu_addr);