eng_crtc2_set_display_start
head1_set_display_start = (crtc_set_display_start) eng_crtc2_set_display_start;
head2_set_display_start = (crtc_set_display_start) eng_crtc2_set_display_start;
status_t eng_crtc2_set_display_start(uint32 startadd,uint8 bpp);
head1_set_display_start = (crtc_set_display_start) eng_crtc2_set_display_start;
head2_set_display_start = (crtc_set_display_start) eng_crtc2_set_display_start;
status_t eng_crtc2_set_display_start(uint32 startadd,uint8 bpp);