This functionality is used by new OCL drvier (aka. NEO): https://github.com/intel/compute-runtime Starting from commit: 933312e0986d3a7c1ef557e511eb4ced301ea292 -----Original Message----- From: Joonas Lahtinen [mailto:joonas.lahtinen@xxxxxxxxxxxxxxx] Sent: Monday, March 19, 2018 2:54 PM To: Lis, Tomasz <tomasz.lis@xxxxxxxxx>; intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Dave Airlie <airlied@xxxxxxxxxx> Cc: Dunajski, Bartosz <bartosz.dunajski@xxxxxxxxx>; chris@xxxxxxxxxxxxxxxxxx; Winiarski, Michal <michal.winiarski@xxxxxxxxx> Subject: Re: [RFC v1] Data port coherency control for UMDs. + Dave, as FYI Quoting Tomasz Lis (2018-03-19 14:37:34) > The OpenCL driver develpers requested a functionality to control cache > coherency at data port level. Keeping the coherency at that level is > disabled by default due to its performance costs. OpenCL driver is > planning to enable it for a small subset of submissions, when such > functionality is required. Can you please link to the corresponding OpenCL driver changes? I'm assuming this relates to the new-driver-to-be-adopted, instead of Beignet? How is the story/schedule looking for adopting the new driver to distros? Seeing the userspace counterpart and tests will help in assessing the suggested changes. Regards, Joonas -------------------------------------------------------------------- Intel Technology Poland sp. z o.o. ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN. Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego adresata i moze zawierac informacje poufne. W razie przypadkowego otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale jej usuniecie; jakiekolwiek przegladanie lub rozpowszechnianie jest zabronione. This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). If you are not the intended recipient, please contact the sender and delete all copies; any review or distribution by others is strictly prohibited. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
