From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [RFC] drm/i915: Add sync framework support to
 execbuff IOCTL
Date: Mon, 06 Jul 2015 15:46:49 +0100
Message-ID: <559A94D9.1030705@linux.intel.com>
References: <1435835399-15732-1-git-send-email-John.C.Harrison@Intel.com>
 <20150702115427.GV21398@nuc-i3427.alporthouse.com>
 <55953644.7030502@Intel.com>
 <20150702132238.GY21398@nuc-i3427.alporthouse.com>
 <55955C10.5000306@Intel.com>
 <20150702155554.GE21398@nuc-i3427.alporthouse.com>
 <55966F4D.7000500@linux.intel.com> <20150706092958.GN2156@phenom.ffwll.local>
 <559A7B71.8030708@Intel.com> <20150706135930.GD2156@phenom.ffwll.local>
 <559A9004.50606@Intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTP id 320776E554
 for <Intel-GFX@lists.freedesktop.org>; Mon,  6 Jul 2015 07:46:51 -0700 (PDT)
In-Reply-To: <559A9004.50606@Intel.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: John Harrison <John.C.Harrison@Intel.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: Intel-GFX@Lists.FreeDesktop.Org
List-Id: intel-gfx@lists.freedesktop.org

Ck9uIDA3LzA2LzIwMTUgMDM6MjYgUE0sIEpvaG4gSGFycmlzb24gd3JvdGU6Cj4gT24gMDYvMDcv
MjAxNSAxNDo1OSwgRGFuaWVsIFZldHRlciB3cm90ZToKPj4gT24gTW9uLCBKdWwgMDYsIDIwMTUg
YXQgMDE6NTg6MjVQTSArMDEwMCwgSm9obiBIYXJyaXNvbiB3cm90ZToKPj4+IE9uIDA2LzA3LzIw
MTUgMTA6MjksIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4+Pj4gT24gRnJpLCBKdWwgMDMsIDIwMTUg
YXQgMTI6MTc6MzNQTSArMDEwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Pj4+IE9uIDA3LzAy
LzIwMTUgMDQ6NTUgUE0sIENocmlzIFdpbHNvbiB3cm90ZToKPj4+Pj4+IEl0IHdvdWxkIGJlIG5p
Y2UgaWYgd2UgY291bGQgcmV1c2Ugb25lIHNlcW5vIGJvdGggZm9yCj4+Pj4+PiBpbnRlcm5hbC9l
eHRlcm5hbAo+Pj4+Pj4gZmVuY2VzLiBJZiB5b3UgbmVlZCB0byBleHBvc2UgYSBmZW5jZSBvcmRl
cmluZyB3aXRoaW4gYSB0aW1lbGluZQo+Pj4+Pj4gdGhhdCBpcwo+Pj4+Pj4gYmFzZWQgb24gdGhl
IGNyZWF0aW9uIHN0YW1wIHJhdGhlciB0aGFuIGV4ZWN1dGlvbiBzdGFtcCwgaXQgc2VlbXMKPj4+
Pj4+IGxpa2UKPj4+Pj4+IHdlIGNvdWxkIGp1c3QgYWRkIHN1Y2ggYSBzdGFtcCB3aGVuIGNyZWF0
aW5nIHRoZSBzeW5jX3B0IGFuZCBub3QKPj4+Pj4+IHdvcnJ5Cj4+Pj4+PiBhYm91dCBpdHMgcmVs
YXRpb25zaGlwIHRvIHRoZSBleGVjdXRpb24gc2Vxbm8uCj4+Pj4+Pgo+Pj4+Pj4gRG9pbmcgc28g
ZG9lcyBleHBvc2UgdGhhdCByZXF1ZXN0cyBhcmUgcmVvcmRlcmVkIHRvIHVzZXJzcGFjZQo+Pj4+
Pj4gc2luY2UgdGhlCj4+Pj4+PiBzaWduYWxsaW5nIHRpbWVsaW5lIGlzIG5vdCB0aGUgc2FtZSBh
cyB1c2Vyc3BhY2UncyBvcmRlcmVkCj4+Pj4+PiB0aW1lbGluZS4gTm90Cj4+Pj4+PiBzdXJlIGlm
IHRoYXQgaXMgYSBwcm9ibGVtIG9yIG5vdC4KPj4+Pj4+Cj4+Pj4+PiBBZmFpY3QgdGhlIHN5bmMg
dWFwaSBpcyBiYXNlZCBvbiB3YWl0aW5nIGZvciBhbGwgb2YgYSBzZXQgb2YKPj4+Pj4+IGZlbmNl
cyB0bwo+Pj4+Pj4gcmV0aXJlLiBJdCBkb2Vzbid0IHNlZW0gdG8gcmVseSBvbiBmZW5jZSBvcmRl
cmluZyAodGhhdCBpcyBrbm93aW5nCj4+Pj4+PiB0aGF0Cj4+Pj4+PiBmZW5jZSBBIHdpbGwgc2ln
bmFsIGJlZm9yZSBmZW5jZSBCIHNvIGl0IG5lZWQgb25seSB3YWl0IG9uIGZlbmNlIEIpLgo+Pj4+
Pj4KPj4+Pj4+IEhlcmUncyBob3BpbmcgdGhhdCB3ZSBjYW4gaGF2ZSBib3RoIHNpbXBsaWNpdHkg
YW5kIGVmZmljaWVuY3kuLi4KPj4+Pj4gSnVtcGluZyBpbiB3aXRoIG5vdCBldmVuIHBlcmZlY3Qg
dW5kZXJzdGFuZGluZyBvZiBldmVyeXRoaW5nIGhlcmUgLQo+Pj4+PiBidXQKPj4+Pj4gdGltZWxp
bmUgYnVzaW5lc3MgaGFzIGFsd2F5cyBiZWVuIGNvbmZ1c2luZyBtZS4gVGhlcmUgaXMgbm90aGlu
ZyBpbgo+Pj4+PiB0aGUKPj4+Pj4gdWFwaSB3aGljaCBuZWVkcyBpdCBhZmFpY3MgYW5kIGlpcmMg
dGhlcmUgd2FzIHNvbWUgZGlzY3Vzc2lvbiBhdAo+Pj4+PiB0aGUgdGltZQo+Pj4+PiBKZXNzZSBm
bG9hdGVkIGhpcyBwYXRjaGVzIHRoYXQgaXQgY2FuIGJlIHJlbW92ZWQuIEJhc2VkIG9uIHRoYXQg
d2hlbiBJCj4+Pj4+IHNxdWFzaGVkIGhpcyBwYXRjaGVzIGFuZCBwb3J0ZWQgdGhlbSBvbiB0b3Ag
b2YgSm9obidzIHJlcXVlc3QgdG8gZmVuY2UKPj4+Pj4gY29udmVyc2lvbiBpdCBlbmRlZCB1cCBz
b21ldGhpbmcgbGlrZSB0aGUgYmVsb3cgKG1hbnVhbGx5IGVkaXRlZCBhCj4+Pj4+IGJpdCB0bwo+
Pj4+PiBiZSBsZXNzIG5vaXN5IGFuZCBzb21lIHByZXAgcGF0Y2hlcyBvbWl0dGVkKToKPj4+Pj4K
Pj4+Pj4gVGhpcyBpbXBsZW1lbnRzIHRoZSBpb2N0bCBiYXNlZCB1YXBpIGFuZCBpbmRlZWQgc2Vx
bm9zIGFyZSBub3QKPj4+Pj4gYWN0dWFsbHkKPj4+Pj4gdXNlZCBpbiB3YWl0cy4gU28gaXMgdGhp
cyBpbnN1ZmZpY2llbnQgZm9yIHNvbWUgcmVhc29uPyAoT3RoZXIgdGhhdCBpdAo+Pj4+PiBkb2Vz
IG5vdCBpbXBsZW1lbnQgdGhlIGlucHV0IGZlbmNlIHNpZGUgb2YgdGhpbmdzLikKPj4+PiBZZWFo
IGFuZHJvaWQgc3luY3B0IG9uIHRvcCBvZiBzdHJ1Y3QgZmVuY2UgZW1iZWRkZWQgaW50IGk5MTUg
cmVxdWVzdCBpcwo+Pj4+IHdoYXQgSSdkIGhhdmUgZXhwZWN0ZWQuCj4+PiBUaGUgdGhpbmcgSSdt
IG5vdCBoYXBweSB3aXRoIGluIHRoYXQgcGxhbiBpcyB0aGF0IGl0IGxlYXZlcyB0aGUga2VybmVs
Cj4+PiBkcml2ZXIgYXQgdGhlIG1lcmN5IG9mIHVzZXIgbGFuZCBhcHBsaWNhdGlvbnMuIElmIHdl
IHJldHVybiBhIGZlbmNlCj4+PiBvYmplY3QKPj4+IHRvIHVzZXIgbGFuZCB2aWEgYSBmaWxlIGRl
c2NyaXB0b3IgKG9yIGluZGVlZCBhbnkgb3RoZXIgbWVjaGFuaXNtKQo+Pj4gdGhlbiB0aGF0Cj4+
PiBmZW5jZSBvYmplY3QgbXVzdCBiZSBsb2NrZWQgdW50aWwgdXNlciBsYW5kIGNsb3NlcyB0aGUg
ZmlsZS4gSWYgdGhlCj4+PiBmZW5jZQo+Pj4gb2JqZWN0IGlzIHRoZSBvbmUgZW1iZWRkZWQgd2l0
aGluIG91ciByZXF1ZXN0IHN0cnVjdHVyZSB0aGVuIHRoYXQKPj4+IG1lYW5zIHVzZXIKPj4+IGxh
bmQgaXMgZWZmZWN0aXZlbHkgbG9ja2luZyBvdXIgcmVxdWVzdCBzdHJ1Y3R1cmUuIEdpdmVuIHRo
YXQgbW9yZQo+Pj4gYW5kIG1vcmUKPj4+IHN0dWZmIGlzIGJlaW5nIGF0dGFjaGVkIHRvIHRoZSBy
ZXF1ZXN0LCB0aGF0IGNvdWxkIGJlIGEgZmFpciBiaXQgb2YKPj4+IG1lbW9yeQo+Pj4gdGllZCB1
cCB0aGF0IHdlIGNhbiBkbyBub3RoaW5nIGFib3V0LiBFLmcuIGlmIGEgcm9ndWUvYnVnZ3kgYXBw
bGljYXRpb24KPj4+IHJlcXVlc3RzIGEgZmVuY2UgYmUgcmV0dXJuZWQgZm9yIGV2ZXJ5IGJhdGNo
IGJ1ZmZlciBzdWJtaXR0ZWQgYnV0IG5ldmVyCj4+PiBjbG9zZXMgdGhlbS4gV2hlcmVhcywgaWYg
d2UgZ28gdGhlIHJvdXRlIG9mIGEgc2VwYXJhdGUgZmVuY2Ugb2JqZWN0Cj4+PiBzcGVjaWZpY2Fs
bHkgZm9yIHVzZXIgbGFuZCB0aGVuIHRoZXkgY2FuIGxlYWsgdGhlbSBsaWtlIGEgc2lldmUgYW5k
Cj4+PiB3ZSB3b24ndAo+Pj4gcmVhbGx5IGNhcmUgc28gbXVjaC4KPj4gVXNlcnNwYWNlIGNhbiBl
eGhhdXN0IGtlcm5lbCBhbGxvY2F0aW9ucywgdGhhdCdzIG5vdGhpbmcgbmV3LiBBbmQgaWYgd2UK
Pj4ga2VlcCBpdCB1c2Vyc3BhY2Ugc2ltcGx5IG5lZWRzIHRvIGxlYWsgYSBmZXcgbW9yZSBmZW5j
ZSBmZHMgdGhhbiBpZgo+PiB0aGVyZSdzIGEgYml0IG1vcmUgZGF0YSBhdHRhY2hlZCB0byBpdC4K
Pj4KPj4gVGhlIHNvbHV0aW9uIHRvIHRoaXMgcHJvYmxlbSBpcyB0byBoYXZlIGEgbWVtIGNncm91
cCBsaW1pdCBzZXQuIE5vCj4+IG5lZWQgdG8KPj4gY29tcGxpY2F0ZSBvdXIga2VybmVsIGNvZGUu
Cj4KPiBUaGVyZSBpcyBzdGlsbCB0aGUgZXh0cmEgY29tcGxpY2F0aW9uIHRoYXQgcmVxdWVzdCB1
bnJlZmVyZW5jaW5nIGNhbm5vdAo+IHJlcXVpcmUgYW55IGtpbmQgb2YgbXV0ZXggbG9jayBpZiB3
ZSBhcmUgYWxsb3dpbmcgaXQgdG8gaGFwcGVuIGZyb20KPiBvdXRzaWRlIG9mIHRoZSBkcml2ZXIu
IFRoYXQgbWVhbnMgdGhlIHVucmVmZXJlbmNlIGNhbGxiYWNrIG11c3QgbW92ZSB0aGUKPiByZXF1
ZXN0IHRvIGEgJ3BsZWFzZSBjbGVhbiBtZSBsYXRlcicgbGlzdCwgc2NoZWR1bGUgYSB3b3JrZXIg
dGhyZWFkIHRvCj4gcnVuLCBhbmQgdGh1cyBkbyB0aGUgY2xlYW4gdXAgYXN5bmNocm9ub3VzbHku
CgpGb3IgdGhpcyBwYXJ0aWN1bGFyIGlzc3VlIG15IHNvbHV0aW9uIHdhcyB0byBleHRlbmQgdGhl
IHN5bmNfZmVuY2UgCmNvbnN0cnVjdG9yIHRvIHRha2UgYSBtdXRleCBhbmQgc3RvcmUgaXQgaW5z
aWRlIHRoZSBvYmplY3QuIFRoZW4gYXQgCmRlc3RydWN0aW9uIHRpbWUsIHdoaWNoIGhhcHBlbnMg
YXQgc3luY19mZC0+Zl9vcHMtPnJlbGVhc2UoKSB0aW1lLCBpdCBpcyAKanVzdCBhIG1hdHRlciBv
ZiBjYWxsaW5nIGtyZWZfcHV0X211dGV4IGluc3RlYWQgb2Yga3JlZl9wdXQuCgpTZWVtZWQgdG8g
d29yayB1bmRlciBzb21lIHF1aWNrIHRlc3RpbmcgYnV0IHRoYXQgaXMgYXMgbXVjaCBhcyBJIGRp
ZCAKYmFjayB0aGVuLgoKUmVnYXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs
aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu
L2xpc3RpbmZvL2ludGVsLWdmeAo=