avivo_is_in_vblank  103 drivers/gpu/drm/radeon/rs600.c 	while (avivo_is_in_vblank(rdev, crtc)) {
avivo_is_in_vblank  110 drivers/gpu/drm/radeon/rs600.c 	while (!avivo_is_in_vblank(rdev, crtc)) {