DPLL_MD
intel_de_write(display, DPLL_MD(display, pipe),
intel_de_write(display, DPLL_MD(display, pipe), hw_state->dpll_md);
intel_de_posting_read(display, DPLL_MD(display, pipe));
intel_de_write(display, DPLL_MD(display, PIPE_B),
intel_de_write(display, DPLL_MD(display, pipe),
intel_de_posting_read(display, DPLL_MD(display, pipe));
DPLL_MD(display, crtc->pipe));