PCI Subsystem Rework for X.org 7.1 Proposal

[Ian Romanick]

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Jesse Barnes wrote:

>>ISSUE: Should special routines for reading / writing MMIO regions ala
>>xf86WriteMmio8 be added?
> 
> Not unless we find a platform that requires that, IMO.  Memory mapped 
> should mean memory mapped.
> 
> Also, see above question about how to handle mapping with particular 
> attributes.

I was going back through this thread, and I got a bit confused about
this comment.  We platforms now that need these in some cases.  Take a
look at various flavors of xf86(Read|Write)Mmio(8|16|24)(Be|Le) in
xserver/xorg/hw/xfree86/common/compiler.h.  Or, are these not for what I
think they're for?
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