"DP 1.4 is also the first DP standard to take advantage of VESA’s Display Stream Compression (DSC) technology. DSC version 1.2 transport enables up to 3:1 compression ratio and has been deemed, through VESA membership testing, to be visually lossless."
http://www.vesa.org/featured-article...d-version-1-4/
Is DSC 1.2 visually lossless in all cases?