[Nouveau] [Bug 77529] [NVE7] NVS 510 DP-3 output doesn't work

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77529

--- Comment #13 from Ilia Mirkin <imirkin at alum.mit.edu> ---
PCIROM is almost always bad. You want to use PROM. There's a bug on Kepler
chips for reading from PROM where it sometimes fails. It should be fixed by

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=18acc6d84eba960804f38a21842c02f3981c1c18

Try either 3.15-rc2 or just apply that commit to your kernel. You may also be
able to boot with

nouveau.config=NvBios=PROM

however you'd still end up with a potentially corrupt vbios.

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