PREC_PAL_EXT2_GC_MAX
ilk_lut_write(crtc_state, PREC_PAL_EXT2_GC_MAX(pipe, 0), 1 << 16);
ilk_lut_write(crtc_state, PREC_PAL_EXT2_GC_MAX(pipe, 1), 1 << 16);
ilk_lut_write(crtc_state, PREC_PAL_EXT2_GC_MAX(pipe, 2), 1 << 16);