On 6 July 2018 at 12:54, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > If we have just completed a WC write, we must ensure that the WCB (Write > Combining Buffer) is flushed out to main memory before we can expect to > see the results. This is especially important when mixing WC with GTT as > the physical paths are different and cachelines are not naturally flushed. > > Testcase: igt/drv_selftests/live_coherency #gdg > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
