t4_max_fr_depth
max_num_sg > t4_max_fr_depth(rhp->rdev.lldi.ulptx_memwrite_dsgl &&
t4_max_fr_depth(dev->rdev.lldi.ulptx_memwrite_dsgl && use_dsgl);
if (mhp->mpl_len > t4_max_fr_depth(dsgl_supported && use_dsgl))