[Nouveau] [Bug 56461] NV11 black screen & kernel hang on loading nouveaufb

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=56461

--- Comment #18 from Emil Velikov <emil.l.velikov at gmail.com> ---
The patch cleans up the create-> init || fini -> destroy paths

In the original code, nv04_display_init was only executed during resume
(disregard that it's executed twice)
* eng[i]->init()
* engine->display.init()

Using 2a44e499 with dea7e0ac, 095f979a & afada5e0 cherry picked
* try to suspend/resume after nouveau is loaded
* sprinkle some nv_info() in the nv04_dfp_restore() codepath to establish what
exactly has caused the issue. I would assume that some encoder/connector may
not have yet been completely setup

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