On Fri, Jan 6, 2012 at 5:09 AM, Dave Airlie <airlied@xxxxxxxxx> wrote: > On Fri, Jan 6, 2012 at 3:11 AM, <alexdeucher@xxxxxxxxx> wrote: >> From: Jerome Glisse <jglisse@xxxxxxxxxx> >> >> Virtual address space are per drm client (opener of /dev/drm). >> Client are in charge of virtual address space, they need to >> map bo into it by calling DRM_RADEON_GEM_VA ioctl. >> >> First 16M of virtual address space is reserved by the kernel. >> >> Once using 2 level page table we should be able to have a small >> vram memory footprint for each pt (there would be one pt for all >> gart, one for all vram and then one first level for each virtual >> address space). >> >> Plan include using the sub allocator for a common vm page table >> area and using memcpy to copy vm page table in & out. Or use >> a gart object and copy things in & out using dma. > > Pushed all 3. > > What happens if someone calls the VA ioctl on a non-VM system btw? > > If thats an issue, please provide a follow up patch. I'll double check. Alex > > Dave. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
