ucI2CData 6584 drivers/gpu/drm/amd/include/atombios.h UCHAR ucI2CData[1]; //I2C data in bytes, should be less than 16 bytes usually ucI2CData 5443 drivers/gpu/drm/radeon/atombios.h UCHAR ucI2CData[1]; //I2C data in bytes, should be less than 16 bytes usually