RKISP1_PLANE_Y
rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_Y));
rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_Y));
dummy_buf->size = max3(rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_Y),
buff_addr[RKISP1_PLANE_Y] >> shift);
ispbuf->buff_addr[RKISP1_PLANE_Y] +
rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_Y);