Symbol: GET_DISTANCE_TO_VBLANKSTART
sys/dev/drm/amd/amdgpu/amdgpu_mode.h
587
#define GET_DISTANCE_TO_VBLANKSTART (1 << 31)
sys/dev/drm/radeon/radeon_mode.h
692
#define GET_DISTANCE_TO_VBLANKSTART (1 << 31)