vpu_helper_find_sibling
fmt = vpu_helper_find_sibling(inst, f->type, fmt->pixfmt);
sibling = vpu_helper_find_sibling(inst, inst->cap_format.type, inst->cap_format.pixfmt);
sibling = vpu_helper_find_sibling(inst, type, fmta);
const struct vpu_format *vpu_helper_find_sibling(struct vpu_inst *inst, u32 type, u32 pixelfmt);