viafb_load_fetch_count_reg
viafb_load_fetch_count_reg(var->xres, var->bits_per_pixel / 8, iga);
void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga);
viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga);