[Nouveau] [Bug 70326] [NVF0] Kernel/Driver fails to initialize acceleration on GTX Titan

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70326

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
You need to mmiotrace the blob and get the graph firmware. See
http://nouveau.freedesktop.org/wiki/NVC0_Firmware/ (up to "Video Firmware",
which you don't need to worry about). Once you get that, stick the files in
/lib/firmware/nouveau and boot with nouveau.config=NvGrUseFW=1,PGRAPH=1 .
Built-in firmware is being worked on, afaik, but currently incomplete. There is
preliminary support you could use if you like, see
drivers/gpu/drm/nouveau/core/engine/graph/nvf0.c:

    .fecs.ucode = 0 ? &nvf0_graph_fecs_ucode : NULL,

Just change that to 1 ? instead of 0 ?, but I have no idea if it's even
expected to work. I'm going to leave this bug open until NVF0 is supported with
open firmware.

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