USE_REAL_VBLANKSTART  853 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c 	if (!(flags & USE_REAL_VBLANKSTART))
USE_REAL_VBLANKSTART 1950 drivers/gpu/drm/radeon/radeon_display.c 	if (!(flags & USE_REAL_VBLANKSTART))
USE_REAL_VBLANKSTART 1775 drivers/gpu/drm/radeon/radeon_pm.c 								USE_REAL_VBLANKSTART,