https://bugs.freedesktop.org/show_bug.cgi?id=103953
--- Comment #11 from Aleksei alex3kov@zoho.com --- I'm losing refresh rates higher than 60Hz with dc=1 on 4.15.6 kernel - is that fixed too?
Monitor 1920x1080 144Hz, GPU RX 560, connection over DVI-D. With dc=0 I can set 1920x1080 144Hz, with dc=1 only 1920x1080 60Hz.