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2216 commits 99 branches 412 tags 16 MiB
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26 commits

Author SHA1 Message Date
Thomas Hellstrom
72d457fc19 Make sure CMA (Can't map aperture) pages are mapped uncached. 
(Should really make this write-combined using PATs, at some point).
 2007-04-03 10:29:14 +02:00
Thomas Hellstrom
80468e7532 Fix build for 2.6.21-rc1. 
The vm subsystem of 2.6.21 is fully compatible with the buffer object
vm code.
 2007-02-26 18:17:54 +01:00
Michel Dänzer
7803977aa9 Fix build against older kernels. 2007-02-15 09:26:16 +01:00
Thomas Hellstrom
04760563b8 Set the drm bus map type for each buffer object memory type. 2007-02-14 12:39:02 +01:00
Thomas Hellstrom
7bcb62b45d Rework buffer object vm code to use nopfn() for kernels >= 2.6.19. 2007-02-14 10:49:37 +01:00
Thomas Hellstrom
e4b2da4406 A minor function interface change and some memcpy bugfixing. 
Hooray!! it sort of works with a fixed AGP area as faked VRAM.
 2007-02-08 16:21:38 +01:00
Thomas Hellstrom
1257907fa9 Simplify external ttm page allocation. 
Implement a memcpy fallback for copying between buffers.
 2007-02-08 13:29:08 +01:00
Thomas Hellstrom
71b9e876f9 Simplify pci map vs no pci map choice. 2007-02-06 16:59:45 +01:00
Thomas Hellstrom
63f2abd721 Make also later kernels work with buffer object vm 
and clean up some function names.
 2007-02-02 19:49:11 +01:00
Thomas Hellstrom
c269d560e4 Make vm handle buffer objects instead of ttm objects. 
Remove ttm objects.
Make vm aware of PCI memory type buffer objects.
(Only works for pre 2.6.16 kernels for now).
 2007-02-02 14:47:44 +01:00
Thomas Hellstrom
dd733dea38 Fix missing ttm_open_vma call from previous commit. 
Honour the ttm backend cant-use-aperture flag.
 2007-02-01 13:19:05 +01:00
Thomas Hellstrom
975136d6e5 Proper allocation of AGP pages for ttms. 2006-12-27 15:32:09 +01:00
Thomas Hellstrom
3b8e6ccd25 Security fix. Zero pages before they are handed to user space. 
TTM pages were not cleared when allocated and handed to user space.
Sensitive information may leak.
 2006-12-19 23:45:59 +01:00
Thomas Hellstrom
3624e43282 Bug #8707, 2.6.19-rc compatibility for memory manager code. 2006-10-20 15:06:31 +02:00
Thomas Hellstrom
c34faf224b Remove max number of locked pages check and call, since 
that is now handled by the memory accounting.
 2006-10-17 20:03:26 +02:00
Thomas Hellstrom
d515936ea7 Add memory usage accounting to avoid DOS problems. 2006-10-17 19:40:57 +02:00
Thomas Hellstrom
3070389367 Compatibility code for 2.6.15-2.6.18. It is ugly but a little comfort is that 
it will go away in the mainstream kernel.
Some bugfixes, mainly in error paths.
 2006-10-11 22:21:01 +02:00
Thomas Hellstrom
f2db76e2f2 Big update: 
Adapt for new functions in the 2.6.19 kernel.
Remove the ability to have multiple regions in one TTM.
   This simplifies a lot of code.
Remove the ability to access TTMs from user space.
   We don't need it anymore without ttm regions.
Don't change caching policy for evicted buffers. Instead change it only
   when the buffer is accessed by the CPU (on the first page fault).
   This tremendously speeds up eviction rates.
Current code is safe for kernels <= 2.6.14.
Should also be OK with 2.6.19 and above.
 2006-10-11 13:40:35 +02:00
Thomas Hellstrom
c58574c605 Use a nopage-based approach to fault in pfns. 2006-10-10 10:37:26 +02:00
Thomas Hellstrom
cee659afb5 Get rid of all ugly PTE hacks. 2006-10-03 12:08:07 +02:00
Thomas Hellstrom
235f6fc650 Adapt to architecture-specific hooks for gatt pages. 2006-09-27 09:27:31 +02:00
Thomas Hellstrom
ca1b15d645 Alternative implementation of page table zeroing using zap page_range. 
(Disabled for now)
Fix bo_wait_idle bug.
Remove stray debug message.
 2006-09-18 20:43:31 +02:00
Thomas Hellstrom
682c6ed029 Remove the use of reserved pages, and use locked pages instead. 
Update compatibility for latest linux versions.
 2006-09-14 12:17:38 +02:00
Thomas Hellstrom
99acb79366 Various bugfixes. 2006-09-08 17:24:38 +02:00
Thomas Hellstrom
1d3cf107d2 Module protection map access is moving into mainline kernels. 
Update drm_compat accordingly.
(Reported by Dave Airlie)
 2006-08-25 18:14:22 +02:00
Thomas Hellstrom
1c787f0d39 Backwards compatibility code for ttms. 2006-08-21 20:38:57 +02:00