On Mon, Mar 27, 2017 at 01:12:30PM +0300, Mika Kuoppala wrote: > Chris Wilson <[email protected]> writes: > > > One POSTING_READ of ACTHD may not be enough to ensure that the seqno > > write has been posted from the GPU and is now visible. So do three! > > > > Is this about posting read triggering or just adding enough delay > that the write gets through?
It's purely about a delay that we guess will cover 99.9999% of cases. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
