ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_B 4420 drivers/gpu/drm/amd/include/atombios.h #define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_B       0x02     //represent gpio 4 state for 16:9
ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_B 3928 drivers/gpu/drm/radeon/atombios.h #define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_B       0x02     //represent gpio 4 state for 16:9