On Wed, Nov 4, 2015 at 3:38 AM, C Bergström <cbergst...@pathscale.com> wrote:
> To bring this conversation back on track - where would someone start
> *exactly* to port this to another OS? What kernel dependencies are
> there?
drivers/gpu/drm/nouveau/{nvkm,nvif,usif} can be dropped in wholesale
with just a small handful of shims and helper functions. This is the
code that presents the GPU's internals in a fairly generation-agnostic
way, and also provides some high-level functionality.
drivers/gpu/drm/nouveau/* needs to be ported to the other OS's
infrastructure. If the OS also has a port of linux's DRM and TTM
infrastructures, a lot of that will be able to be taken wholesale.
This is the code that interacts with the core above. Decodes ioctls,
manages memory, performs kernel-side modesetting, etc.
Cheers,
-ilia
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