PLL_LOCK
PLL_LOCK) != 0)
if (intel_de_wait_for_set(display, enable_reg, PLL_LOCK, 1))
if (intel_de_wait_for_clear(display, enable_reg, PLL_LOCK, 1))
if (intel_de_wait_for_set(display, enable_reg, PLL_LOCK, 5))
if (intel_de_wait_for_clear(display, enable_reg, PLL_LOCK, 5))