RADEON_FLIP_SUBMITTED
if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) {
RADEON_FLIP_SUBMITTED);
if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) {
RADEON_FLIP_SUBMITTED);
radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED;