cstate = &pstate->base;
}
- ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, +1);
- if (ret && ret != -ENODEV) {
- nv_error(clk, "failed to raise fan speed: %d\n", ret);
- return ret;
+ if (ptherm) {
+ ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, +1);
+ if (ret && ret != -ENODEV) {
+ nv_error(clk, "failed to raise fan speed: %d\n", ret);
+ return ret;
+ }
}
- ret = volt->set_id(volt, cstate->voltage, +1);
- if (ret && ret != -ENODEV) {
- nv_error(clk, "failed to raise voltage: %d\n", ret);
- return ret;
+ if (volt) {
+ ret = volt->set_id(volt, cstate->voltage, +1);
+ if (ret && ret != -ENODEV) {
+ nv_error(clk, "failed to raise voltage: %d\n", ret);
+ return ret;
+ }
}
ret = clk->calc(clk, cstate);
clk->tidy(clk);
}
- ret = volt->set_id(volt, cstate->voltage, -1);
- if (ret && ret != -ENODEV)
- nv_error(clk, "failed to lower voltage: %d\n", ret);
+ if (volt) {
+ ret = volt->set_id(volt, cstate->voltage, -1);
+ if (ret && ret != -ENODEV)
+ nv_error(clk, "failed to lower voltage: %d\n", ret);
+ }
- ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, -1);
- if (ret && ret != -ENODEV)
- nv_error(clk, "failed to lower fan speed: %d\n", ret);
+ if (ptherm) {
+ ret = nouveau_therm_cstate(ptherm, pstate->fanspeed, -1);
+ if (ret && ret != -ENODEV)
+ nv_error(clk, "failed to lower fan speed: %d\n", ret);
+ }
return 0;
}