CH7xxx_IDF_VSP    304 drivers/gpu/drm/i915/display/dvo_ch7xxx.c 	idf &= ~(CH7xxx_IDF_HSP | CH7xxx_IDF_VSP);
CH7xxx_IDF_VSP    309 drivers/gpu/drm/i915/display/dvo_ch7xxx.c 		idf |= CH7xxx_IDF_VSP;