DSPFW1
intel_de_write(display, DSPFW1(display),
tmp = intel_de_read(display, DSPFW1(display));
tmp = intel_de_read(display, DSPFW1(display));
reg = intel_de_read(display, DSPFW1(display));
intel_de_write(display, DSPFW1(display), reg);
intel_de_write(display, DSPFW1(display),
intel_de_posting_read(display, DSPFW1(display));
intel_de_write(display, DSPFW1(display),
intel_de_posting_read(display, DSPFW1(display));