XE2LPD_PICA_PW_CTL
intel_de_write(display, XE2LPD_PICA_PW_CTL,
if (intel_de_wait_for_set(display, XE2LPD_PICA_PW_CTL,
intel_de_write(display, XE2LPD_PICA_PW_CTL, 0);
if (intel_de_wait_for_clear(display, XE2LPD_PICA_PW_CTL,
return intel_de_read(display, XE2LPD_PICA_PW_CTL) &