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|  | newdrm-0-0-1-branch. | 
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|  | structures if AGP support is enabled in the kernel (__REALLY_HAVE_AGP).
    This fixes the compile errors on kernels without AGP support. | 
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|  | and must be done if in future a driver tries to talk to the AGP
    directly from kernelspace instead of userspace, and the AGP is not
    present. | 
|  | initializing the DRM device - this was causing a kernel oops when the
    AGPGART module wasn't loaded. | 
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|  | respectively. Splited the work out of the ioctls and renamed (with the
    _ioctl prefix). Added some more documentation. Did the same for
    drm_sgpsupport.h. | 
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|  | with the documentation merge. | 
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|  | (resync with XFree86 trunk) | 
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|  | the CPU (David Mosberger, Benjamin Herrenschmidt, myself, Paul
    Mackerras, Jeff Wiedemeier) | 
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|  | _UPDATE. | 
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|  | oops). | 
|  | linux | 
|  | (which doesn't live in our cvs). | 
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|  | DRM_*MEMORYBARRIER we had were related to an MMIO space. This means
    arch-specific code on the BSDs, unfortunately. Also add
    DRM_MEMORYBARRIER() and change the DRM_READMEMORYBARRIER()s that used
    to be read/write barriers to it. | 
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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. |