[Nouveau] [Bug 63135] [NV96] [bisected] DisplayPort dual-head fails to switch to KMS

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63135

Devin J. Pohly <djpohly+freedesktop at gmail.com> changed:

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--- Comment #23 from Devin J. Pohly <djpohly+freedesktop at gmail.com> ---
Created attachment 84674
  --> https://bugs.freedesktop.org/attachment.cgi?id=84674&action=edit
log, recent git, nouveau.debug=debug, kms fails, no hang

Here's a new log from today's kernel.org git.  Somehow I neglected to set
nouveau.debug=debug on that last one; sorry about that!

I checked my BIOS setup, but there wasn't anything regarding DMA or IRQ
remapping.  I have the latest version, but then it's a Dell BIOS which
apparently values mouse support over advanced settings.  *shrug*

I didn't see any change in behavior with the patch, and the "bios data not
found" error still appeared even with it, so I haven't been using it.

I'm using two DisplayPort outputs on my card, with DisplayPort cables, to two
DisplayPort sinks, no adapters anywhere.

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