externalencodercontrol 540 drivers/gpu/drm/amd/display/dc/bios/command_table2.c switch (BIOS_CMD_TABLE_PARA_REVISION(externalencodercontrol)) { externalencodercontrol 315 drivers/gpu/drm/amd/include/atomfirmware.h uint16_t externalencodercontrol; //Function