channelmapping   1446 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c 			info_v11->extdispconninfo.path[i].channelmapping;
channelmapping    967 drivers/gpu/drm/amd/include/atomfirmware.h   uint8_t   channelmapping;                  // if ucChannelMapping=0, using default one to one mapping