Messages in this thread | | | Date | Sat, 4 Sep 2004 10:27:50 +0100 | From | Christoph Hellwig <> | Subject | Re: New proposed DRM interface design |
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On Sat, Sep 04, 2004 at 01:12:16AM +0100, Dave Airlie wrote: > DRM core - just the stub registration procedure and handling any > shared resources like the device major number, and perhaps parts of sysfs > and class code. This interface gets set in stone as quickly as possible > and is as minimal as can be, (Jon Smirls dyn-minor patch will help a fair > bit also). All the core does is allow DRMs to register and de-register in > a nice easy fashion and not interfere with each other. This drmcore.o can > either be linked into the kernel (ala the fb core) or a module, but in > theory it should only really be shipped with the kernel - (for compat > reasons the DRM tree will ship it for older systems).
Ok.
> DRM library - this contains all the non-card specific code, AGP > interface, buffers interface, memory allocation, context handling etc. > This is mostly stuff that is in templated header files now moved into C > files along the lines of what I've done in the drmlib-0-0-1-branch. This > file gets linked into each drm module, if you build two drivers into the > kernel it gets shared automatically as far as I can see, if you build as > modules they both end up with the code, for the DRM the single card is the > primary case so I don't mind losing some resources for having different > cards in a machine.
Ok except you should build this only once.
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