Age | Commit message (Collapse) | Author |
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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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