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2 Commits

Author SHA1 Message Date
Robert Noland
9c03c0d88c Rework how drm maps are handled. 
* On 32 bit platforms we steal the upper 4 bits of the map handle
   to store a unique map id.
 * On 64 bit platforms we steal the upper 24 bits.

Resolves issues where the offsets that are handed to mmap may overlap the VRAM on some cards.

Tested on: radeon, intel, mga, and via.

This will break nouveau.  I will spin new patches shortly.
 2010-04-22 18:21:25 +00:00
Robert Noland
b1ba33ffbe Welcome drm support for VIA unichrome chips. 
MFC after:	2 weeks
 2010-01-31 14:30:39 +00:00