drm_vblank_init
r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
if (drm_vblank_init(adev_to_drm(adev), adev->dm.display_indexes_num)) {
EXPORT_SYMBOL(drm_vblank_init);
ret = drm_vblank_init(display->drm,
int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs);
r = drm_vblank_init(rdev_to_drm(rdev), rdev->num_crtc);