copy_mem
ret = adev->lsdma.funcs->copy_mem(adev, src_addr, dst_addr, current_copy_size);
int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr,
.copy_mem = lsdma_v6_0_copy_mem,
.copy_mem = lsdma_v7_0_copy_mem,
crc = copy_mem(&esymval, ofd, oname, crc, ih,
crc = copy_mem(&elf, ofd, oname, crc, ih, sizeof(elf));
crc = copy_mem(wshp, ofd, oname, crc, ih, sz);
u_long copy_mem(void *, int, const char *, u_long, struct image_header *,
u_long copy_mem(void *, int, const char *, u_long, struct image_header *,