I'm reading through http://dri.sourceforge.net/doc/drm_low_level.html
------------------------------------------------------------
int drmDMA(int fd, drmDMAReqPtr request)
drmDMA can be used to reserve DMA buffers and to dispatch previously
reserved DMA buffers.
------------------------------------------------------------
"reserve DMA buffers"?? I thought it is only currently used to
"dispatch" them, and actual allocation of DMA buffers is done via
drmAddBufs(), or drmAddMap()
Hmm.. it seems that these days, virtually all DMA allocation is done
via drmAddMap(....., DRM_AGP,...);
True?
There may be some alternative method used in
RADEONDRIPciInit(), but since there is no comment in that function
with "DMA" in it, I cant tell.
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