braindead radeon.h

[Michael Lorenz]

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Hello,

I just found that the radeon driver in xorg 7.0 ignores the MMIO BAR's 
actual size and always tries to mmap 0x80000 bytes ( a value #defined 
in radeon.h ) - even with chips that have only 0x10000 there like my 
M9+.
This fails on operating systems that actually pay attention what users 
can mmap - like NetBSD when using ttyE* and probably anything using 
/dev/xf86 - which allows to mmap only resources that actually belong to 
the graphics chip.
Has this been fixed in a later release?

have fun
Michael
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