Better Radeon DRM Code Documentation Comes
For any independent developers that have been wanting to explore ways to contribute to the open-source Radeon driver but have been intimidated by the lack of documentation within the code, the situation is beginning to improve.
It was just yesterday when I was writing about the AMD Radeon HD 7000 series open-source support still lacking and that besides the code not being in a usable state that documentation is still lacking for recent generations of Radeon GPUs. To some surprise, this morning a set of ten patches arrived from AMD's Alex Deucher for better documenting the Radeon DRM (Direct Rendering Manager) driver code.
As said on the mailing list:
This is something I've been wanting to do for a while and I finally spent a little time getting a start on it. There is still a lot to do and not all of my descriptions are great, but I think we can document the rest in bits and pieces. I also added a note about what asics the function is applicable to. I tried to start with the more common and complex code. I was thinking it would make sense to have an informal documentation policy something like the following:
This adds in around 2,000 lines of documentation to the Radeon kernel driver. Equally important is Deucher's proposal for an informal documentation policy; it's about damn time. This really shouldn't just apply to the Radeon driver but would be great if it applied to all X.Org projects. From fledging developers I still frequently hear that insufficient documentation is one of their biggest hurdles in initially contributing to X.Org/graphics-related projects and many open-source projects in general.
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