PIPEDMC_FPQ_CHP
return intel_de_read(display, PIPEDMC_FPQ_CHP(crtc->pipe, flipq_id));
intel_de_read(display, PIPEDMC_FPQ_CHP(crtc->pipe, flipq_id)),
intel_de_write(display, PIPEDMC_FPQ_CHP(pipe, flipq_id), 0);