DPLL_LOCK
while (!(omap_readw(ULPD_DPLL_CTRL) & DPLL_LOCK))
[dpll] = PLL(pll_2550, CLK_FOUT_DPLL, "fout_dpll", "fin_pll", DPLL_LOCK,
(REG_READ(map->dpll) & ~DPLL_LOCK) | DPLL_VCO_ENABLE);
if (!(REG_READ(map->dpll) & DPLL_LOCK)) {
if (intel_de_wait_for_set_ms(display, DPLL_STATUS, DPLL_LOCK(id), 5))
vgpu_vreg_t(vgpu, DPLL_STATUS) = DPLL_LOCK(DPLL_ID_SKL_DPLL0);