DE_PLANE_FLIP_DONE
ilk_enable_display_irq(display, DE_PLANE_FLIP_DONE(plane->i9xx_plane));
ilk_disable_display_irq(display, DE_PLANE_FLIP_DONE(plane->i9xx_plane));
DE_PLANE_FLIP_DONE(PLANE_A) |
DE_PLANE_FLIP_DONE(PLANE_B) |
if (de_iir & DE_PLANE_FLIP_DONE(pipe))