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;