PALETTE_BLUE_MASK
REG_FIELD_PREP(PALETTE_BLUE_MASK, drm_color_lut_extract(color->blue, 8));
entry->blue = intel_color_lut_pack(REG_FIELD_GET(PALETTE_BLUE_MASK, val), 8);
REG_FIELD_PREP(PALETTE_BLUE_MASK, _i9xx_lut_10_ldw(color[0].blue));
REG_FIELD_PREP(PALETTE_BLUE_MASK, _i9xx_lut_10_udw(color[0].blue, color[1].blue));
REG_FIELD_PREP(PALETTE_BLUE_MASK, color->blue & 0xff);
REG_FIELD_PREP(PALETTE_BLUE_MASK, color->blue >> 8);
entry->blue = REG_FIELD_GET(PALETTE_BLUE_MASK, udw) << 8 |
REG_FIELD_GET(PALETTE_BLUE_MASK, ldw);