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Viewing changes to src/gallium/drivers/iris/xe/iris_bufmgr.c

  • Committer: mmach
  • Date: 2023-11-02 21:31:35 UTC
  • Revision ID: netbit73@gmail.com-20231102213135-18d4tzh7tj0uz752
2023-11-02 22:11:57

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src/gallium/drivers/iris/xe/iris_bufmgr.c
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   return intel_ioctl(iris_bufmgr_get_fd(bufmgr), DRM_IOCTL_XE_VM_DESTROY,
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                      &destroy) == 0;
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}
 
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/*
 
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 * Xe kmd has fixed caching modes for each heap, only scanout bos can change
 
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 * it.
 
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 */
 
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enum iris_mmap_mode
 
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iris_xe_bo_flags_to_mmap_mode(struct iris_bufmgr *bufmgr, enum iris_heap heap,
 
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                              unsigned flags)
 
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{
 
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   /* TODO: might be different for MTL/platforms without LLC */
 
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   switch (heap) {
 
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   case IRIS_HEAP_DEVICE_LOCAL_PREFERRED:
 
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      /* TODO: Can vary on current placement?! */
 
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      return IRIS_MMAP_WC;
 
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   case IRIS_HEAP_DEVICE_LOCAL:
 
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      return IRIS_MMAP_WC;
 
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   case IRIS_HEAP_SYSTEM_MEMORY:
 
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      if (flags & BO_ALLOC_SCANOUT)
 
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         return IRIS_MMAP_WC;
 
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      return IRIS_MMAP_WB;
 
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   default:
 
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      return IRIS_MMAP_NONE;
 
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   }
 
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}