getting rid of inter_module_xx

[Jon Smirl]

I'm looking at getting rid of DRM's use of inter_module_xx. DRM makes
use of this to locate and use the AGP module. AGP is an optional
module since some system only have PCI graphics.

Right now DRM uses inter_module_get("AGP") to locate the module if it
exists. It then changes behavior if this call secedes or fails.

If I remove inter_module_get("AGP") and use the symbols directly, such
as agp_backend_acquire(), how do I resolve the symbol link when AGP is
not loaded? If the symbols link as NULL DRM will see that and act
correctly.

-- 
Jon Smirl
jonsmirl@xxxxxxxxx
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