eng_crtc_dpms
head2_dpms = (crtc_dpms) eng_crtc_dpms;
head1_dpms = (crtc_dpms) eng_crtc_dpms;
eng_crtc_dpms(false, false, false);
eng_crtc_dpms(false, false, false);
status_t eng_crtc_dpms(bool, bool, bool);
head2_dpms = (crtc_dpms) eng_crtc_dpms;
head1_dpms = (crtc_dpms) eng_crtc_dpms;
status_t eng_crtc_dpms(bool, bool, bool);