Comment # 13 on bug 110830 from Ilia Mirkin

(In reply to Marcin Zajaczkowski from comment #12)
> [1]. Is it just needed to add a new entry for my GTX 1660 in nv_driver.c?

Mmmmaybe. You'd have to kill Accel for it too, since none of the other
functions will work either.

> Anyway, do you think using nouveau_drv.so instead of "modesetting" can
> change anything?

Not in the reverse prime case -- it can only make things worse. IIRC
nouveau_drv expects acceleration support for handling reverse prime.