gk20a_pllg_calc_rate
target_freq = gk20a_pllg_calc_rate(clk, pll);
return gk20a_pllg_calc_rate(clk, &pll) / GK20A_CLK_GPC_MDIV;
u32 gk20a_pllg_calc_rate(struct gk20a_clk *, struct gk20a_pll *);
u32 rate = gk20a_pllg_calc_rate(&clk->base, pll) / KHZ;