On Sun, Dec 09, 2001 at 03:29:35PM -0500, [EMAIL PROTECTED] wrote: > > Hi, I am the maintainer of V4L capture module for All-in-Wonder cards. > I need some help figuring out how to interface with drm. > > The problem: the module works fine, except that (at least Radeons) want > physical memory from AGP addressable range. So I can either write my own > memory allocation routines or interface with drm to do this. The second > being the more preferable. > > The problem is that > a) drm does not export headers to other modules (nothing in > /usr/include/linux/drmxxxx.h > b) looking at drm.h and drmP.h in the driver source does not yield > immediate answer either. All I want is to obtain an agp addressable memory > chunk of a certain size. > ba) What are those DRM() wrappers ? > bb) can I simply call DRM(alloc) or do I need to "acquire" drm in a > certain way ? > Take a look at the driver specific *_dri.c files. You can then use drmAddBufs with DRM_RESTRICTED (so 3D apps don't use it) and later use drmMap to map your area.
Alan. _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
