ENCODER_OBJECT_ID_GENERAL_EXTERNAL_DVO   94 drivers/gpu/drm/amd/amdgpu/ObjectID.h #define ENCODER_OBJECT_ID_GENERAL_EXTERNAL_DVO    0xFF
ENCODER_OBJECT_ID_GENERAL_EXTERNAL_DVO   94 drivers/gpu/drm/radeon/ObjectID.h #define ENCODER_OBJECT_ID_GENERAL_EXTERNAL_DVO    0xFF