Age | Commit message (Collapse) | Author |
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Allocate memory from different pools. This allows the OS to track memory
allocations for us, much like the linux memory debugging. This will ease
tracking down memory leaks since the OS can track the number of allocations
from each pool and help to point us in the right direction. Also replace
drm_alloc and friends with static __inline__ versions while we are here.
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Signed-off-by: Robert Noland <rnoland@2hip.net>
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bus_dmamem_alloc.
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The brief descriptions usually had the wrong filename in them.
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- Comment out the "is this mapping/bufs in allocated AGP" bits in BSD
because they break mga (which uses AGP allocation that doesn't track
entries). It's not a security issue when we still have the related
ioctls marked root-only.
- Apply some power-of-two alignment restrictions to hopefully avoid some
panicing in bad cases of drm_pci_alloc() on FreeBSD.
- Add verbosity to some error handling that I found useful while debugging.
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with IOMMUs and such. There is one usage of the forbidden vtophys()
left in drm_scatter.c which will be fixed up soon. This required a KPI
change for drm_pci_alloc/free() to return/use a drm_dma_handle_t that
keeps track of os-specific bits, rather than just passing around the
vaddr/busaddr/size.
Submitted by: Tonnerre Lombard (partially) Tested on: FreeBSD: Rage128
AGP/PCI Linux: Savage4 AGP/PCI
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CVS.
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using drm_alloc/drm_free in the core and instead use plain malloc/free.
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doesn't run yet. Moves the ioctl definitions for these two drivers back
to the shared code -- they aren't OS-specific.
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used by root (the X Server) which are not locked. However, it should
deal with lost-IRQ issues on -current which I think people have been
experiencing but I am unable to reproduce (though I understand why they
would occur, because of a bug of mine). Note that most of the locking
(DRM_LOCK()/UNLOCK()) is all covered by Giant still, so it doesn't
matter yet.
- Remove locking on FreeBSD-stable and NetBSD. These are covered by the
fact that there is no reentrancy of the kernel except by interrupts,
which are locked using spldrm()/splx() instead.
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it. To do this we need to save the bus address along with the virtual
address in the seglist. Also fix some error handling and a few bits of
whitespace.
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