Quoting Chris Wilson (2019-03-13 14:43:57) > We need to keep the context image pinned in memory until after the GPU > has finished writing into it. Since it continues to write as we signal > the final breadcrumb, we need to keep it pinned until the request after > it is complete. Currently we know the order in which requests execute on > each engine, and so to remove that presumption we need to identify a > request/context-switch we know must occur after our completion. Any > request queued after the signal must imply a context switch, for > simplicity we use a fresh request from the kernel context.
I'm not happy with the preallocation scheme for the active barrier yet. But the general picture is here. -Chris _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
