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CVS commit: src/sys/external/bsd/drm/dist/bsd-core

Module Name:    src
Committed By:   bjs
Date:           Fri Jul 25 06:54:33 UTC 2008

Modified Files:
        src/sys/external/bsd/drm/dist/bsd-core: drmP.h drm_pci.c

Log Message:
- for DRM_NETBSD_HANDLE2ADDR/ADDR2HANDLE, do what uvm does to recover
the virtual address from a uoffset, e.g. uoffset + vm_map_min(kernel_map).

- Eliminate the bus_space_read/write-based DRM_READ/WRITE macros.  The
  memory we're reading/writing from is not always allocated with bus_space,
  and so this will not do.  Instead, since all of our bus_space maps are
  linear, volatile pointer dereferences will do just fine.

- Unify members of struct drm_dma_handle amongst freebsd and netbsd:
  the 'addr' member was superfluous; also, set dmah->tag from
  dev->pa.pa_dmat and use that.

- we don't need BUS_DMA_ALLOCNOW, as bus_dmamap_load is called immediately
  following bus_dmamap_create(), so there's no need to avoid deferring
  allocation to load time.

- Add check for nsegs != 1 in drm_pci_alloc().

- We don't need the DRM_PCI_DMAADDR macro right now--it was only
  used once.

To generate a diff of this commit:
cvs rdiff -r1.8 -r1.9 src/sys/external/bsd/drm/dist/bsd-core/drmP.h
cvs rdiff -r1.3 -r1.4 src/sys/external/bsd/drm/dist/bsd-core/drm_pci.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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