The patch is here: https://lists.freedesktop.org/archives/intel-gfx/2017-November/148988.html On Mon, Feb 10, 2020 at 11:34:07AM -0800, Dongwon Kim wrote: > Acked-by: Dongwon Kim <dongwon.kim@xxxxxxxxx> > > It makes lots of sense to make CPU cache operation done only when > needed. Similar change was already landed in drm-prime and other > vendor specific drivers. We are actually seeing huge performance > boost in a specific customer case where dmabuf was used between > camera driver (importer) and i915 after applying this patch. > > Please consider upstreaming this code change. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
