I have a Sapphire W5100 FirePro graphics card on my Windows 8.1 maschine and in Photoshop liquify filter strange color errors happens. For best understand check the following post at the Adobe forum which includes a picture of the problem:
I tried the new 16.3 beta driver but the same problem. Why does this not work AMD? I didn't paid the extra price for a FirePro card to get the stuff working by disabling the FirePro features!