Symbol: CRTC_NO_DBLSCAN
sys/dev/pci/drm/drm_modes.c
1373
if (!(adjust_flags & CRTC_NO_DBLSCAN)) {
sys/dev/pci/drm/include/drm/drm_modes.h
187
#define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | CRTC_NO_VSCAN)