WM2_LP_ILK
intel_de_write(display, WM2_LP_ILK, previous->wm_lp[1]);
intel_de_write(display, WM2_LP_ILK, results->wm_lp[1]);
intel_de_rmw(display, WM2_LP_ILK, WM_LP_ENABLE, 0);
hw->wm_lp[1] = intel_de_read(display, WM2_LP_ILK);
MMIO_D(WM2_LP_ILK);