Comment # 11 on bug 103953 from Aleksei

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.