On Wed, Mar 05, 2014 at 07:33:11PM +0100, Daniel Vetter wrote: > On Wed, Mar 05, 2014 at 09:24:34AM +0000, Chris Wilson wrote: > > On Tue, Mar 04, 2014 at 09:38:56AM -0800, Ben Widawsky wrote: > > > The actual post sync op is "Write Immediate Data QWord." It is therefore > > > arguable that we should have always done a qword write. > > > > Not really since the spec explicitly says that we can choose either a > > dword or qword write. Note that qword writes also currently require a > > 64 byte alignment. > > Yeah, that's also my reading of the spec - the lenght field selects > whether the hw does a qword or dword write, and the qword needs to be > specially aligned. > -Daniel I think both of you only read this sentence, where I said it was "arguable." The rest of the commit message was what actually mattered. -- Ben Widawsky, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
