DEVICE_TYPE_UNKNOWN 2078 drivers/gpu/drm/amd/display/dc/bios/bios_parser.c result_device_id.device_type = DEVICE_TYPE_UNKNOWN; DEVICE_TYPE_UNKNOWN 605 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c result_device_id.device_type = DEVICE_TYPE_UNKNOWN;