https://bugs.freedesktop.org/show_bug.cgi?id=83226
--- Comment #33 from freddyescobar@hotmail.fr --- I have a DCE4 (HD5770) and i don't know if my monitor supports RGB quantization. I guess it can't (old Philips from 2007).
What could you suggest to me ? (Of course, output is Full RGB, and my tv is limited RGB).