[Nouveau] [Bug 67628] [NVC1] [BISECTED] Monitor on Display port shows distortions

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67628

--- Comment #30 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Here's a crazy idea --

in drivers/gpu/drm/nouveau/core/engine/disp/nv50.c:nv50_disp_intr_unk20_2,
change

u32 ctrl = nv_rd32(priv, 0x610798 + soff);

to

u32 ctrl = nv_rd32(priv, 0x610794 + soff);

And obviously get rid of the link_nr = 4 hack.

(I'm basing this on the fact that nv50_disp_intr_unk20_2_dp reads the ctrl
value from there for figuring out the bpp.)

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