What's the story with drmGetBufInfo?

[Ian Romanick]

Nothing appears to call drmGetBufInfo.  The drmBufInfo and drmBufDesc 
structures aren't used anywhere except in that function.  The problem is 
(surprise!) the definition for drmBufDesc is different in drm.h from 
what's in xf86drm.h.  This is only a problem because drmBufInfo has a 
pointer to an array of structures, and libdrm.a is dynamically linked 
with the X server.  So, if any DDX driver were to use that function, and 
the size of the structure changed, there'd be a problem.

BUT nothing uses it.  Since it's broken, I'd like to remove all traces 
of it (from both user mode and kernel mode).  Is there any reason not 
to?  If we need that functionality later, we can design a better 
interface for it that will less fragile.


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