DP_SERVICE_V2_ACTION_DET_LCD_CONNECTION 8458 drivers/gpu/drm/amd/include/atombios.h #define DP_SERVICE_V2_ACTION_DET_LCD_CONNECTION             0x02
DP_SERVICE_V2_ACTION_DET_LCD_CONNECTION 7203 drivers/gpu/drm/radeon/atombios.h #define DP_SERVICE_V2_ACTION_DET_LCD_CONNECTION			    0x02