mul_u32_fixed16
ret = mul_u32_fixed16(wm_intermediate_val, plane_blocks_per_line);
wp->y_tile_minimum = mul_u32_fixed16(wp->y_min_scanlines,
fp_min_disp_buf_needed = mul_u32_fixed16(res_lines +
linetime_wm = fixed16_to_u32_round_up(mul_u32_fixed16(8, linetime_us));