On 01/26/2015 11:51 PM, Dave Airlie wrote: > On 23 January 2015 at 18:05, Thierry Reding <thierry.red...@gmail.com> wrote: >> From: Thierry Reding <tred...@nvidia.com> >> >> The current implementation is limited by the number of addresses that >> fit into an unsigned long. This causes problems on 32-bit Tegra where >> unsigned long is 32-bit but drm_mm is used to manage an IOVA space of >> 4 GiB. Given the 32-bit limitation, the range is limited to 4 GiB - 1 >> (or 4 GiB - 4 KiB for page granularity). >> >> This commit changes the start and size of the range to be an unsigned >> 64-bit integer, thus allowing much larger ranges to be supported. > This seems fine to me, Chris, Daniel or Thomas, any objections? > > Dave.
This is perfectly fine with me, although I'm a bit curious why the allocation granularity of the IOVA space needs to be 1 byte? Thanks, Thomas _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
