From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Deucher Subject: Re: Question on UAPI for fences Date: Fri, 12 Sep 2014 11:38:35 -0400 Message-ID: References: <5412F3CA.9060306@amd.com> <20140912145048.GA4139@gmail.com> <20140912153346.GB4139@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-qg0-f41.google.com (mail-qg0-f41.google.com [209.85.192.41]) by gabe.freedesktop.org (Postfix) with ESMTP id 2D2FC6E745 for ; Fri, 12 Sep 2014 08:38:39 -0700 (PDT) Received: by mail-qg0-f41.google.com with SMTP id a108so920563qge.0 for ; Fri, 12 Sep 2014 08:38:35 -0700 (PDT) In-Reply-To: <20140912153346.GB4139@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jerome Glisse Cc: Maarten Lankhorst , Zach Pfeffer , "dri-devel@lists.freedesktop.org" , "linaro-mm-sig@lists.linaro.org" , gpudriverdevsupport@amd.com, =?UTF-8?Q?Christian_K=C3=B6nig?= , John Harrison List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBTZXAgMTIsIDIwMTQgYXQgMTE6MzMgQU0sIEplcm9tZSBHbGlzc2UgPGouZ2xpc3Nl QGdtYWlsLmNvbT4gd3JvdGU6Cj4gT24gRnJpLCBTZXAgMTIsIDIwMTQgYXQgMTE6MjU6MTJBTSAt MDQwMCwgQWxleCBEZXVjaGVyIHdyb3RlOgo+PiBPbiBGcmksIFNlcCAxMiwgMjAxNCBhdCAxMDo1 MCBBTSwgSmVyb21lIEdsaXNzZSA8ai5nbGlzc2VAZ21haWwuY29tPiB3cm90ZToKPj4gPiBPbiBG cmksIFNlcCAxMiwgMjAxNCBhdCAwNDo0Mzo0NFBNICswMjAwLCBEYW5pZWwgVmV0dGVyIHdyb3Rl Ogo+PiA+PiBPbiBGcmksIFNlcCAxMiwgMjAxNCBhdCA0OjA5IFBNLCBEYW5pZWwgVmV0dGVyIDxk YW5pZWxAZmZ3bGwuY2g+IHdyb3RlOgo+PiA+PiA+IE9uIEZyaSwgU2VwIDEyLCAyMDE0IGF0IDAz OjIzOjIyUE0gKzAyMDAsIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6Cj4+ID4+ID4+IEhlbGxvIGV2 ZXJ5b25lLAo+PiA+PiA+Pgo+PiA+PiA+PiB0byBhbGxvdyBjb25jdXJyZW50IGJ1ZmZlciBhY2Nl c3MgYnkgZGlmZmVyZW50IGVuZ2luZXMgYmV5b25kIHRoZSBtdWx0aXBsZQo+PiA+PiA+PiByZWFk ZXJzL3NpbmdsZSB3cml0ZXIgbW9kZWwgdGhhdCB3ZSBjdXJyZW50bHkgdXNlIGluIHJhZGVvbiBh bmQgb3RoZXIKPj4gPj4gPj4gZHJpdmVycyB3ZSBuZWVkIHNvbWUga2luZCBvZiBzeW5jaG9uaXph dGlvbiBvYmplY3QgZXhwb3NlZCB0byB1c2Vyc3BhY2UuCj4+ID4+ID4+Cj4+ID4+ID4+IE15IGlu aXRpYWwgcGF0Y2ggc2V0IGZvciB0aGlzIHVzZWQgKG9yIHJhdGhlciBhYnVzZWQpIHplcm8gc2l6 ZWQgR0VNIGJ1ZmZlcnMKPj4gPj4gPj4gYXMgZmVuY2UgaGFuZGxlcy4gVGhpcyBpcyBvYnZpb3Vz bHkgaXNuJ3QgdGhlIGJlc3Qgd2F5IG9mIGRvaW5nIHRoaXMgKHRvCj4+ID4+ID4+IG11Y2ggb3Zl cmhlYWQsIHJhdGhlciB1Z2x5IGV0Yy4uLiksIEplcm9tZSBjb21tZW50ZWQgb24gdGhpcyBhY2Nv cmRpbmdseS4KPj4gPj4gPj4KPj4gPj4gPj4gU28gd2hhdCBzaG91bGQgYSBkcml2ZXIgZXhwb3Nl IGluc3RlYWQ/IEFuZHJvaWQgc3luYyBwb2ludHM/IFNvbWV0aGluZyBlbHNlPwo+PiA+PiA+Cj4+ ID4+ID4gSSB0aGluayBhY3R1YWxseSBleHBvc2luZyB0aGUgc3RydWN0IGZlbmNlIG9iamVjdHMg YXMgYSBmZCwgdXNpbmcgYW5kcm9pZAo+PiA+PiA+IHN5bmNwdHMgKG9yIGF0IGxlYXN0IHNvbWV0 aGluZyBjb21wYXRpYmxlIHRvIGl0KSBpcyB0aGUgd2F5IHRvIGdvLiBQcm9ibGVtCj4+ID4+ID4g aXMgdGhhdCBpdCdzIHN1cGVyLWhhcmQgdG8gZ2V0IHRoZSBhbmRyb2lkIGd1eXMgb3V0IG9mIGhp ZGluZyBmb3IgdGhpcyA6KAo+PiA+PiA+Cj4+ID4+ID4gQWRkaW5nIGEgYnVuY2ggb2YgcGVvcGxl IGluIHRoZSBob3BlcyB0aGF0IHNvbWV0aGluZyBzdGlja3MuCj4+ID4+Cj4+ID4+IE1vcmUgcGVv cGxlLgo+PiA+Cj4+ID4gSnVzdCB0byByZS1pdGVyYXRlLCBleHBvc2luZyBzdWNoIHRoaW5nIHdo aWxlIHN0aWxsIHVzaW5nIGNvbW1hbmQgc3RyZWFtCj4+ID4gaW9jdGwgdGhhdCB1c2UgaW1wbGlj aXQgc3luY2hyb25pemF0aW9uIGlzIGEgd2FzdGUgYW5kIHlvdSBjYW4gb25seSBnZXQKPj4gPiB0 aGUgbG93ZXN0IGNvbW1vbiBkZW5vbWluYXRvciB3aGljaCBpcyBpbXBsaWNpdCBzeW5jaHJvbml6 YXRpb24uIFNvIGkgZG8KPj4gPiBub3Qgc2VlIHRoZSBwb2ludCBvZiBzdWNoIGFwaSBpZiB5b3Ug YXJlIG5vdCBhbHNvIGFkZGluZyBhIG5ldyBjcyBpb2N0bAo+PiA+IHdpdGggZXhwbGljaXQgY29u dHJhY3QgdGhhdCBpdCBkb2VzIG5vdCBkbyBhbnkga2luZCBvZiBzeW5jaHJvbml6YXRpb24KPj4g PiAoaXQgY291bGQgYmUgYWxtb3N0IHRoZSBleGFjdCBzYW1lIGNvZGUgbW9kdWxvIHRoZSBkbyBu b3Qgd2FpdCBmb3IKPj4gPiBwcmV2aW91cyBjbWQgdG8gY29tcGxldGUpLgo+Pgo+PiBPdXIgdGhp bmtpbmcgd2FzIHRvIGFsbG93IGV4cGxpY2l0IHN5bmMgZnJvbSBhIHNpbmdsZSBwcm9jZXNzLCBi dXQKPj4gaW1wbGljaXRseSBzeW5jIGJldHdlZW4gcHJvY2Vzc2VzLgo+Cj4gVGhpcyBpcyBhIEJJ RyBOQUsgaWYgeW91IGFyZSB1c2luZyB0aGUgc2FtZSBpb2N0bCBhcyBpdCB3b3VsZCBtZWFuIHlv dSBhcmUKPiBjaGFuZ2luZyB1c2Vyc3BhY2UgQVBJLCB3ZWxsIGF0IGxlYXN0IHVzZXJzcGFjZSBl eHBlY3RhdGlvbi4gQWRkaW5nIGEgbmV3Cj4gY3MgZmxhZyBtaWdodCBkbyB0aGUgdHJpY2sgYnV0 IGl0IHNob3VsZCBub3QgYmUgYWJvdXQgaW50ZXItcHJvY2Vzcywgb3IgYW55Cj4gdGhpbmcgc3Bl Y2lhbCwgaXQncyBqdXN0IGltcGxpY2l0IHN5bmMgb3Igbm8gc3luY2hyb25pemF0aW9uLiBDb252 ZXJ0aW5nCj4gdXNlcnNwYWNlIGlzIG5vdCB0aGF0IG11Y2ggb2YgYSBiaWcgZGVhbCBlaXRoZXIs IGl0IGNhbiBiZSBicm9rZW4gaW50bwo+IHNldmVyYWwgc3RlcC4gTGlrZSBtZXNhIHVzZSBleHBs aWNpdCBzeW5jaHJvbml6YXRpb24gYWxsIHRpbWUgYnV0IGRkeCB1c2UKPiBpbXBsaWNpdC4KClJp Z2h0LCB5b3UnZCBoYXZlIHRvIGV4cGxpY2l0bHkgYXNrIGZvciBpdCB0byBhdm9pZCBicmVha2lu ZyBvbGQKdXNlcnNwYWNlLiAgTXkgcG9pbnQgd2FzIGp1c3QgdGhhdCB3aXRoaW4gYSBzaW5nbGUg cHJvY2VzcywgaXQncyBxdWl0ZQplYXN5IHRvIGtub3cgZXhhY3RseSB3aGF0IHlvdSBhcmUgZG9p bmcgYW5kIGhhbmRsZSB0aGUgc3luY2hyb25pemF0aW9uCnlvdXJzZWxmLCB3aGlsZSBmb3IgaW50 ZXItcHJvY2VzcyB0aGVyZSBpcyBhbiBhc3N1bWVkIGltcGxpY2l0IHN5bmMuCgpBbGV4CgoKPgo+ IENoZWVycywKPiBKw6lyw7RtZQo+Cj4+Cj4+IEFsZXgKPj4KPj4gPgo+PiA+IEFsc28gb25lIHRo aW5nIHRoYXQgdGhlIEFuZHJvaWQgc3luYyBwb2ludCBkb2VzIG5vdCBoYXZlLCBBRkFJQ1QsIGlz IGEKPj4gPiB3YXkgdG8gc2NoZWR1bGUgc3luY2hyb25pemF0aW9uIGFzIHBhcnQgb2YgYSBjcyBp b2N0bCBzbyBjcHUgbmV2ZXIgaGF2ZQo+PiA+IHRvIGJlIGludm9sdmUgZm9yIGNtZCBzdHJlYW0g dGhhdCBkZWFsIG9ubHkgb25lIGdwdSAoYXNzdW1pbmcgdGhlIGRyaXZlcgo+PiA+IGFuZCBodyBj YW4gZG8gc3VjaCB0cmljaykuCj4+ID4KPj4gPiBDaGVlcnMsCj4+ID4gSsOpcsO0bWUKPj4gPgo+ PiA+PiAtRGFuaWVsCj4+ID4+IC0tCj4+ID4+IERhbmllbCBWZXR0ZXIKPj4gPj4gU29mdHdhcmUg RW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCj4+ID4+ICs0MSAoMCkgNzkgMzY1IDU3IDQ4IC0g aHR0cDovL2Jsb2cuZmZ3bGwuY2gKPj4gPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwo+PiA+IGRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKPj4gPiBkcmktZGV2 ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4+ID4gaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbApfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2RyaS1kZXZlbAo=