nvkm_clk_nstate
clk->ustate_ac = nvkm_clk_nstate(clk, mode, arglen);
clk->ustate_dc = nvkm_clk_nstate(clk, mode, arglen);
clk->ustate_ac = nvkm_clk_nstate(clk, mode, arglen);
clk->ustate_dc = nvkm_clk_nstate(clk, mode, arglen);