PIPEDMC_FPQ_ATOMIC_TP
intel_de_write(display, PIPEDMC_FPQ_ATOMIC_TP(crtc->pipe),
tmp = intel_de_read(display, PIPEDMC_FPQ_ATOMIC_TP(crtc->pipe));
intel_de_write(display, PIPEDMC_FPQ_ATOMIC_TP(pipe), 0);