From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Harrison Subject: Re: [RFC] drm/i915: Add sync framework support to execbuff IOCTL Date: Thu, 02 Jul 2015 16:43:12 +0100 Message-ID: <55955C10.5000306@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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 8AB216E714 for ; Thu, 2 Jul 2015 08:43:14 -0700 (PDT) In-Reply-To: <20150702132238.GY21398@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Intel-GFX@Lists.FreeDesktop.Org List-Id: intel-gfx@lists.freedesktop.org T24gMDIvMDcvMjAxNSAxNDoyMiwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IE9uIFRodSwgSnVsIDAy LCAyMDE1IGF0IDAyOjAxOjU2UE0gKzAxMDAsIEpvaG4gSGFycmlzb24gd3JvdGU6Cj4+IE9uIDAy LzA3LzIwMTUgMTI6NTQsIENocmlzIFdpbHNvbiB3cm90ZToKPj4+IE9uIFRodSwgSnVsIDAyLCAy MDE1IGF0IDEyOjA5OjU5UE0gKzAxMDAsIEpvaG4uQy5IYXJyaXNvbkBJbnRlbC5jb20gd3JvdGU6 Cj4+Pj4gRnJvbTogSm9obiBIYXJyaXNvbiA8Sm9obi5DLkhhcnJpc29uQEludGVsLmNvbT4KPj4+ Pgo+Pj4+IFZhcmlvdXMgcHJvamVjdHMgZGVzaXJlIGEgbWVjaGFuaXNtIGZvciBtYW5hZ2luZyBk ZXBlbmRlbmNpZXMgYmV0d2Vlbgo+Pj4+IHdvcmsgaXRlbXMgYXN5bmNocm9ub3VzbHkuIFRoaXMg Y2FuIGFsc28gaW5jbHVkZSB3b3JrIGl0ZW1zIGFjcm9zcwo+Pj4+IGNvbXBsZXRlIGRpZmZlcmVu dCBhbmQgaW5kZXBlbmRlbnQgc3lzdGVtcy4gRm9yIGV4YW1wbGUsIGFuCj4+Pj4gYXBwbGljYXRp b24gd2FudHMgdG8gcmV0cmVpdmUgYSBmcmFtZSBmcm9tIGEgdmlkZW8gaW4gZGV2aWNlLAo+Pj4+ IHVzaW5nIGl0IGZvciByZW5kZXJpbmcgb24gYSBHUFUgdGhlbiBzZW5kIGl0IHRvIHRoZSB2aWRl byBvdXQgZGV2aWNlCj4+Pj4gZm9yIGRpc3BsYXkgYWxsIHdpdGhvdXQgaGF2aW5nIHRvIHN0YWxs IHdhaXRpbmcgZm9yIGNvbXBsZXRpb24gYWxvbmcKPj4+PiB0aGUgd2F5LiBUaGUgc3luYyBmcmFt ZXdvcmsgYWxsb3dzIHRoaXMuIEl0IGVuY2Fwc3VsYXRlcwo+Pj4+IHN5bmNocm9uaXNhdGlvbiBl dmVudHMgaW4gZmlsZSBkZXNjcmlwdG9ycy4gVGhlIGFwcGxpY2F0aW9uIGNhbgo+Pj4+IHJlcXVl c3QgYSBzeW5jIHBvaW50IGZvciB0aGUgY29tcGxldGlvbiBvZiBlYWNoIHBpZWNlIG9mIHdvcmsu IERyaXZlcnMKPj4+PiBzaG91bGQgYWxzbyB0YWtlIHN5bmMgcG9pbnRzIGluIHdpdGggZWFjaCBu ZXcgd29yayByZXF1ZXN0IGFuZCBub3QKPj4+PiBzY2hlZHVsZSB0aGUgd29yayB0byBzdGFydCB1 bnRpbCB0aGUgc3luYyBoYXMgYmVlbiBzaWduYWxsZWQuCj4+Pj4KPj4+PiBUaGlzIHBhdGNoIGFk ZHMgc3luYyBmcmFtZXdvcmsgc3VwcG9ydCB0byB0aGUgZXhlYyBidWZmZXIgSU9DVEwuIEEKPj4+ PiBzeW5jIHBvaW50IGNhbiBiZSBwYXNzZWQgaW4gdG8gc3RhbGwgZXhlY3V0aW9uIG9mIHRoZSBi YXRjaCBidWZmZXIKPj4+PiB1bnRpbCBzaWduYWxsZWQuIEFuZCBhIHN5bmMgcG9pbnQgY2FuIGJl IHJldHVybmVkIGFmdGVyIGVhY2ggYmF0Y2gKPj4+PiBidWZmZXIgc3VibWlzc2lvbiB3aGljaCB3 aWxsIGJlIHNpZ25hbGxlZCB1cG9uIHRoYXQgYmF0Y2ggYnVmZmVyJ3MKPj4+PiBjb21wbGV0aW9u Lgo+Pj4+Cj4+Pj4gQXQgcHJlc2VudCwgdGhlIGlucHV0IHN5bmMgcG9pbnQgaXMgc2ltcGx5IHdh aXRlZCBvbiBzeW5jaHJvbm91c2x5Cj4+Pj4gaW5zaWRlIHRoZSBleGVjIGJ1ZmZlciBJT0NUTCBj YWxsLiBPbmNlIHRoZSBHUFUgc2NoZWR1bGVyIGFycml2ZXMsCj4+Pj4gdGhpcyB3aWxsIGJlIGhh bmRsZWQgYXN5bmNocm9ub3VzbHkgaW5zaWRlIHRoZSBzY2hlZHVsZXIgYW5kIHRoZSBJT0NUTAo+ Pj4+IGNhbiByZXR1cm4gd2l0aG91dCBoYXZpbmcgdG8gd2FpdC4KPj4+Pgo+Pj4+IE5vdGUgYWxz byB0aGF0IHRoZSBzY2hlZHVsZXIgd2lsbCByZS1vcmRlciB0aGUgZXhlY3V0aW9uIG9mIGJhdGNo Cj4+Pj4gYnVmZmVycywgZS5nLiBiZWNhdXNlIGEgYmF0Y2ggYnVmZmVyIGlzIHN0YWxsZWQgb24g YSBzeW5jIHBvaW50IGFuZAo+Pj4+IGNhbm5vdCBiZSBzdWJtaXR0ZWQgeWV0IGJ1dCBvdGhlciwg aW5kZXBlbmRlbnQsIGJhdGNoIGJ1ZmZlcnMgYXJlCj4+Pj4gYmVpbmcgcHJlc2VudGVkIHRvIHRo ZSBkcml2ZXIuIFRoaXMgbWVhbnMgdGhhdCB0aGUgdGltZWxpbmUgd2l0aGluIHRoZQo+Pj4+IHN5 bmMgcG9pbnRzIHJldHVybmVkIGNhbm5vdCBiZSBnbG9iYWwgdG8gdGhlIGVuZ2luZS4gSW5zdGVh ZCB0aGV5IG11c3QKPj4+PiBiZSBrZXB0IHBlciBjb250ZXh0IHBlciBlbmdpbmUgKHRoZSBzY2hl ZHVsZXIgbWF5IG5vdCByZS1vcmRlciBiYXRjaGVzCj4+Pj4gd2l0aGluIGEgY29udGV4dCkuIEhl bmNlIHRoZSB0aW1lbGluZSBjYW5ub3QgYmUgYmFzZWQgb24gdGhlIGV4aXN0aW5nCj4+Pj4gc2Vx bm8gdmFsdWVzIGJ1dCBtdXN0IGJlIGEgbmV3IGltcGxlbWVudGF0aW9uLgo+Pj4gQnV0IHRoZXJl IGlzIG5vdGhpbmcgcHJldmVudGluZyBhc3NpZ25tZW50IG9mIHRoZSBzeW5jIHZhbHVlIG9uCj4+ PiBzdWJtaXNzaW9uLiBPdGhlciB0aGFuIHRoZSBkZWJ1ZyAuZmVuY2VfdmFsdWVfc3RyIGl0J3Mg YSBwcml2YXRlCj4+PiBpbXBsZW1lbnRhdGlvbiBkZXRhaWwsIGFuZCB0aGUgaW50ZXJmYWNlIGlz IHNvbGVseSB0aHJvdWdoIHRoZSBmZCBhbmQKPj4+IHNpZ25hbGxpbmcuCj4+IE5vLCBpdCBuZWVk cyB0byBiZSBwdWJsaWMgZnJvbSB0aGUgbW9tZW50IG9mIGNyZWF0aW9uLiBUaGUgc3luYwo+PiBm cmFtZXdvcmsgQVBJIGFsbG93cyBzeW5jIHBvaW50cyB0byBiZSBjb21iaW5lZCB0b2dldGhlciB0 byBjcmVhdGUKPj4gZmVuY2VzIHRoYXQgZWl0aGVyIG1lcmdlIG11bHRpcGxlIHBvaW50cyBvbiB0 aGUgc2FtZSB0aW1lbGluZSBvcgo+PiBhbWFsZ2FtYXRlIHBvaW50cyBhY3Jvc3MgZGlmZmVyaW5n IHRpbWVsaW5lcy4gVGhlIG1lcmdpbmcgcGFydCBtZWFucwo+PiB0aGF0IHRoZSBzeW5jIHBvaW50 IG11c3QgYmUgY2FwYWJsZSBvZiBkb2luZyBhcml0aG1ldGljIGNvbXBhcmlzb25zCj4+IHdpdGgg b3RoZXIgc3luYyBwb2ludHMgZnJvbSB0aGUgaW5zdGFudCBpdCBpcyByZXR1cm5lZCB0byB1c2Vy IGxhbmQuCj4+IEFuZCB0aG9zZSBjb21wYXJpc29ucyBtdXN0IG5vdCBjaGFuZ2UgaW4gdGhlIGZ1 dHVyZSBkdWUgdG8gc2NoZWR1bGVyCj4+IHJlLW9yZGVyaW5nIGJlY2F1c2UgYnkgdGhlbiBpdCBp cyB0b28gbGF0ZSB0byByZWRvIHRoZSB0ZXN0Lgo+IFlvdSBrbm93IHRoYXQncyBub3QgZG9jdW1l bnRlZCBhdCBhbGwuIFRoZSBvbmx5IGluZm9ybWF0aW9uIHVzZXJzcGFjZQo+IGdldHMgaXMgYWZh aWN0Cj4KPiBzdHJ1Y3Qgc3luY19wdF9pbmZvIHsKPiAJX191MzIgICBsZW47Cj4gCWNoYXIgICAg b2JqX25hbWVbMzJdOwo+IAljaGFyICAgIGRyaXZlcl9uYW1lWzMyXTsKPiAJX19zMzIgICBzdGF0 dXM7Cj4gCV9fdTY0ICAgdGltZXN0YW1wX25zOwo+Cj4gCV9fdTggICAgZHJpdmVyX2RhdGFbMF07 Cj4gfTsKPgo+IFRoZXJlIGlzIGEgbWVyZ2Ugb3BlcmF0aW9uIGRvbmUgYnkgY29tYmluaW5nIHR3 byBmZW5jZSBpbnRvIGEgbmV3IG9uZS4KPiBNZXJnaW5nIGlzIGRvbmUgYnkgb3JkZXJpbmcgdGhl IGZlbmNlcyBiYXNlZCBvbiB0aGUgY29udGV4dCBwb2ludGVycyBhbmQKPiB0aGVuIGJ5IHN5bmNf cHQtPmZlbmNlLnNlcW5vLCBub3QgdGhlIHByaXZhdGUgc3luYyB2YWx1ZS4KPgo+IEhvdyBkb2Vz IHVzZXJzcGFjZSB0cnkgdG8gb3JkZXIgdGhlIGZlbmNlcyBvdGhlciB0aGFuIGFzIG9wYXF1ZSBm ZD8gWW91Cj4gYWN0dWFsbHkgbWVhbiBkcml2ZXJfZGF0YSBpcyB1bmRlZmluZWQgQUJJLi4uCkht bSwgc29tZXRoaW5nIGxvb2tzIGNvbmZ1c2VkLiBXYXkgYmFjayB3aGVuIChpLmUuIHRoZSBzaGlw cGluZyBBbmRyb2lkIAp0cmVlKSwgdGhlICdwcml2YXRlJyBzZXFubyB2YWx1ZSB3YXMgdmVyeSBk ZWZpbml0ZWx5IGJlaW5nIGV4cG9zZWQgaW4gCnZhcmlvdXMgd2F5cyBidXQgaXQgbG9va3MgbGlr ZSBpdCBoYXMgYWN0dWFsbHkgYmVlbiBzdXBlcnNlZGVkIGJ5IHRoZSAKc2Vxbm8gdmFsdWUgaW5z aWRlIHRoZSAobmV3KSBmZW5jZSBvYmplY3QgdGhhdCBpcyBpbnNpZGUgdGhlIHN5bmNfcHQuIApE ZXNwaXRlIHRoYXQsIHRoZXJlIGlzIHN0aWxsIGEgJ2NvbXBhcmUnIGNhbGxiYWNrIGluIHRoZSB0 aW1lbGluZV9vcHMgCmZvciBkb2luZyBjb21wYXJpc29ucyBiZXR3ZWVuIHN5bmNfcHRzIGJhc2Vk IG9uIHRoZWlyIHByaXZhdGUgCmltcGxlbWVudGF0aW9uIHNwZWNpZmljIHNlcW5vLiBBbHRob3Vn aCB0aGlzIGlzIG1hcmtlZCBhcyAncmVxdWlyZWQnIGl0IAppcyBub3QgYWN0dWFsbHkgY2FsbGVk IGFueXdoZXJlIGFueW1vcmUhIFNvIGl0IGxvb2tzIGxpa2Ugd2UgY2FuIGRyb3AgCnRoZSAncHJp dmF0ZScgc2Vxbm8gdmFsdWUgY29tcGxldGVseSBhbmQganVzdCB1c2UgdGhlIGZlbmNlIHZlcnNp b24uCgpJbiBteSBkZWZlbnNlLCB0aGlzIGNvZGUgaXMgYWxsIGNvbWluZyBmcm9tIHRoZSBBbmRy b2lkIHRyZWUgYW5kIHRoZSAKcG9ydCB0byB0aGUgbmlnaHRseSB3YXMgZG9uZSBieSBzb21lb25l IGVsc2UuIEkgaGFkbid0IHJlYWxpc2VkIHRoYXQgCm5pZ2h0bHkgaGFkIGNoYW5nZWQgcXVpdGUg c28gc2lnbmlmaWNhbnRseS4KCj4+PiAgIFlvdSBjb3VsZCBpbXBsZW1lbnQgdGhpcyBhcyBhIHNl Y29uZGFyeSB3cml0ZSB0byB0aGUgSFdTLAo+Pj4gYXNzaWduaW5nIHRoZSBzeW5jX3ZhbHVlIHRv IHRoZSBzeW5jX3B0IG9uIHN1Ym1pc3Npb24gYW5kCj4+PiByZW1vdmUgdGhlIHJlcXVlc3QgdHJh Y2tpbmcsIGFzIHdoZW4gc2lnbmFsbGVkIHlvdSBvbmx5IG5lZWQgdG8gY29tcGFyZQo+Pj4gdGhl IHN5bmNfdmFsdWUgYWdhaW5zdCB0aGUgdGltZWxpbmUgdmFsdWUgaW4gdGhlIEhXUy4KPj4+Cj4+ PiBIb3dldmVyLCB0aGF0IGVxdWFsbHkgYXBwbGllcyB0byB0aGUgZXhpc3RpbmcgcmVxdWVzdC0+ c2Vxbm8uIFRoYXQgY2FuCj4+PiBhbHNvIGJlIGFzc2lnbmVkIG9uIHN1Ym1pc3Npb24gc28gdGhh dCBpdCBhbHdheXMgYW4gb3JkZXJlZCB0aW1lbGluZSwgYW5kCj4+PiBzbyBjYW4gYmUgdXNlZCBp bnRlcm5hbGx5IG9yIGV4dGVybmFsbHkuCj4+IE9uZSBvZiB0aGUgc2NoZWR1bGVyIHBhdGNoZXMg aXMgdG8gZGVmZXIgc2Vxbm8gYXNzaWdubWVudCB1bnRpbAo+PiBiYXRjaCBzdWJtaXNzaW9uIHJh dGhlciB0aGFuIGRvIGl0IGF0IHJlcXVlc3QgY3JlYXRpb24gKGZvcgo+PiBleGVjYnVmZmVyIHJl cXVlc3RzKS4gWW91IHN0aWxsIGhhdmUgYSBwcm9ibGVtIHdpdGggcHJlLWVtcHRpb24KPj4gdGhv dWdoLiBBIHJlcXVlc3QgdGhhdCBpcyBwcmUtZW1wdGVkIHdpbGwgZ2V0IGEgbmV3IHNlcW5vIGFz c2lnbmVkCj4+IHdoZW4gaXQgaXMgcmVzdWJtaXR0ZWQgc28gdGhhdCB0aGUgSFdTIHBhZ2UgYWx3 YXlzIHNlZXMgb3JkZXJlZAo+PiB2YWx1ZXMgcG9wcGluZyBvdXQuIEZvciBpbnRlcm5hbCByZXF1 ZXN0cywgdGhpcyBpcyBmaW5lIGJ1dCBmb3IKPj4gZXh0ZXJuYWwgc3luYyBwb2ludHMgdGhhdCBi cmVha3MgdGhlIGFzc3VtcHRpb25zIG1hZGUgYnkgdGhlCj4+IGZyYW1ld29yay4KPiBJIGZhaWwg dG8gc2VlIGhvdy4gTm90aGluZyBpbiB1YXBpL3N5bmMuaCBzYXlzIGFueXRoaW5nIGFib3V0IHRo ZSBvcmRlcgo+IG9mIGZlbmNlcyBvciBnaXZlcyBhbnkgc3VjaCBndWFyYW50ZWVzLiBJZiB0aGUg ZXh0ZXJuYWwgY2FsbGVycyBvbmx5Cj4gaGF2ZSBhY2Nlc3MgdGhyb3VnaCB0aGUgZmQsIHRoZXJl IGlzIG5vIHJlc3RyaWN0aW9uIHRoYXQgdGhlIHRpbWVsaW5lCj4gc3luY19wdC0+dmFsdWUgbXVz dCBiZSBzZXQgcHJpb3IgdG8gc3VibWlzc2lvbi4KCkFzIG5vdGVkIGFib3ZlLCBpdCBsb29rcyBs aWtlIHRoZSBuZXcgdmVyc2lvbiBvZiB0aGUgc3luYyBmcmFtZXdvcmsgbm93IAphbGxvY2F0ZXMg aXRzIG93biBjb250ZXh0L3ZhbHVlIHNlcW5vIHBhaXIgaW50ZXJuYWxseSBhdCBjcmVhdGlvbiB0 aW1lLiAKU28gYWxsIG15IGNvbW1lbnRzIHJlYWxseSByZWZlciB0byB0aGF0IHNlcW5vIGluc2lk ZSB0aGUgc3RydWN0IGZlbmNlLiAKSXQgc2VlbXMgbGlrZSBhIGJhZCBpZGVhIHRoYXQgd2UgYXJl IHRyeWluZyB0byBzaG9lIGhvcm4gYW5vdGhlciBzZXFubyAKdmFsdWUgb24gdG9wLgoKQmFjayB0 byB0aGUgZHJhd2luZyBib2FyZC4uLgoKCj4gLUNocmlzCj4KCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==