On 2017-12-14 09:07 AM, Christian König wrote: > Please CC Michel as well, No need, I read the lists (just sometimes get a little swamped and take time to catch up). > he originally commented that we should try to solve this in the DDX instead. I don't think a DDX driver is even involved in the scenario Sam's working on. Do you mean that the BO should be created in GTT in the first place if possible? I did suggest that before, but I'm not sure it's feasible in this scenario. > And BTW: Why don't we just do the migration during the mmap call? At mmap time, we don't know when the BO will actually be accessed by the CPU (or indeed whether at all). If we do the migration at that point, there's no guarantee that the BO will still be in GTT when it's accessed by the CPU. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
