On Wed, Jun 10, 2015 at 05:46:53PM +0100, Michel Thierry wrote: > GTT is only 32b and its max value is 4GB. In order to allow objects > bigger than 4GB in 48b PPGTT, i915_gem_userptr_ioctl needs to check > against max 48b range (1ULL << 48). > > Whenever possible, read the PPGTT's total instead of the GTT one, this > will be accurate in 32 and 48 bit modes. Just kill the limit. It is only there for early detection of an error when it is used for execbuffer - however, we may be using the bo for other purposes where the limit doesn't apply. Or the check may be invalid (such as now). -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
