PLL_EXT_CNTL
((pll_regs[PLL_EXT_CNTL] >> (2 + (clock_cntl & 3))) & 4)];
tmp = aty_ld_pll_ct(PLL_EXT_CNTL, par);
aty_st_pll_ct(PLL_EXT_CNTL, tmp, par);
pll->ct.pll_ext_cntl = aty_ld_pll_ct(PLL_EXT_CNTL, par) & 0x0FU;
pll->ct.pll_ext_cntl = aty_ld_pll_ct(PLL_EXT_CNTL, par);
pll_ext_cntl = aty_ld_pll_ct(PLL_EXT_CNTL, par);
aty_st_pll_ct(PLL_EXT_CNTL, pll->ct.pll_ext_cntl, par);