PIPE_MISC
tmp = intel_de_read(display, PIPE_MISC(crtc->pipe));
intel_de_write_dsb(display, dsb, PIPE_MISC(crtc->pipe), val);
tmp = intel_de_read(display, PIPE_MISC(crtc->pipe));
MMIO_D(PIPE_MISC(PIPE_A));
MMIO_D(PIPE_MISC(PIPE_B));
MMIO_D(PIPE_MISC(PIPE_C));