From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH v3 12/13] drm/i915/execlists: Preemption! Date: Fri, 29 Sep 2017 10:29:57 +0300 Message-ID: <1506670197.4729.9.camel@linux.intel.com> References: <20170928193910.17988-1-chris@chris-wilson.co.uk> <20170928193910.17988-12-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F2CB6EA55 for ; Fri, 29 Sep 2017 07:30:01 +0000 (UTC) In-Reply-To: <20170928193910.17988-12-chris@chris-wilson.co.uk> 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 Cc: Mika Kuoppala , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMDE3LTA5LTI4IGF0IDIwOjM5ICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4g V2hlbiB3ZSB3cml0ZSB0byBFTFNQLCBpdCB0cmlnZ2VycyBhIGNvbnRleHQgcHJlZW1wdGlvbiBh dCB0aGUgZWFybGllc3QKPiBhcmJpdHJhdGlvbiBwb2ludCAoM0RQUklNSVRJVkUsIHNvbWUgUElQ RUNPTlRST0xzLCBhIGZldyBvdGhlcgo+IG9wZXJhdGlvbnMgYW5kIHRoZSBleHBsaWNpdCBNSV9B UkJfQ0hFQ0spLiBJZiB0aGlzIGlzIHRvIHRoZSBzYW1lCj4gY29udGV4dCwgaXQgdHJpZ2dlcnMg YSBMSVRFX1JFU1RPUkUgd2hlcmUgdGhlIFJJTkdfVEFJTCBpcyBtZXJlbHkKPiB1cGRhdGVkICh1 c2VkIGN1cnJlbnRseSB0byBjaGFpbiByZXF1ZXN0cyBmcm9tIHRoZSBzYW1lIGNvbnRleHQKPiB0 b2dldGhlciwgYXZvaWRpbmcgYnViYmxlcykuIEhvd2V2ZXIsIGlmIGl0IGlzIHRvIGEgZGlmZmVy ZW50IGNvbnRleHQsIGEKPiBmdWxsIGNvbnRleHQtc3dpdGNoIGlzIHBlcmZvcm1lZCBhbmQgaXQg d2lsbCBzdGFydCB0byBleGVjdXRlIHRoZSBuZXcKPiBjb250ZXh0IHNhdmluZyB0aGUgaW1hZ2Ug b2YgdGhlIG9sZCBmb3IgbGF0ZXIgZXhlY3V0aW9uLgo+IAo+IFByZXZpb3VzbHkgd2UgYXZvaWRl ZCBwcmVlbXB0aW9uIGJ5IG9ubHkgc3VibWl0dGluZyBhIG5ldyBjb250ZXh0IHdoZW4KPiB0aGUg b2xkIHdhcyBpZGxlLiBCdXQgbm93IHdlIHdpc2ggZW1icmFjZSBpdCwgYW5kIGlmIHRoZSBuZXcg cmVxdWVzdCBoYXMKPiBhIGhpZ2hlciBwcmlvcml0eSB0aGFuIHRoZSBjdXJyZW50bHkgZXhlY3V0 aW5nIHJlcXVlc3QsIHdlIHdyaXRlIHRvIHRoZQo+IEVMU1AgcmVnYXJkbGVzcywgdGh1cyB0cmln Z2VyaW5nIHByZWVtcHRpb24sIGJ1dCB3ZSB0ZWxsIHRoZSBHUFUgdG8KPiBzd2l0Y2ggdG8gb3Vy IHNwZWNpYWwgcHJlZW1wdGlvbiBjb250ZXh0IChub3QgdGhlIHRhcmdldCkuIEluIHRoZQo+IGNv bnRleHQtc3dpdGNoIGludGVycnVwdCBoYW5kbGVyLCB3ZSBrbm93IHRoYXQgdGhlIHByZXZpb3Vz IGNvbnRleHRzCj4gaGF2ZSBmaW5pc2hlZCBleGVjdXRpb24gYW5kIHNvIGNhbiB1bndpbmQgYWxs IHRoZSBpbmNvbXBsZXRlIHJlcXVlc3RzCj4gYW5kIGNvbXB1dGUgdGhlIG5ldyBoaWdoZXN0IHBy aW9yaXR5IHJlcXVlc3QgdG8gZXhlY3V0ZS4KPiAKPiBJdCB3b3VsZCBiZSBmZWFzaWJsZSB0byBh dm9pZCB0aGUgc3dpdGNoLXRvLWlkbGUgaW50ZXJtZWRpYXRlIGJ5Cj4gcHJvZ3JhbW1pbmcgdGhl IEVMU1Agd2l0aCB0aGUgdGFyZ2V0IGNvbnRleHQuIFRoZSBkaWZmaWN1bHR5IGlzIGluCj4gdHJh Y2tpbmcgd2hpY2ggcmVxdWVzdCB0aGF0IHNob3VsZCBiZSB3aGlsc3QgbWFpbnRhaW5pbmcgdGhl IGRlcGVuZGVuY3kKPiBjaGFuZ2UsIHRoZSBlcnJvciBjb21lcyBpbiB3aXRoIGNvYWxlc2NlZCBy ZXF1ZXN0cy4gQXMgd2Ugb25seSB0cmFjayB0aGUKPiBtb3N0IHJlY2VudCByZXF1ZXN0IGFuZCBp dHMgcHJpb3JpdHksIHdlIG1heSBydW4gaW50byB0aGUgaXNzdWUgb2YgYmVpbmcKPiB0cmlja2Vk IGluIHByZWVtcHRpbmcgYSBoaWdoIHByaW9yaXR5IHJlcXVlc3QgdGhhdCB3YXMgZm9sbG93ZWQg YnkgYQo+IGxvdyBwcmlvcml0eSByZXF1ZXN0IGZyb20gdGhlIHNhbWUgY29udGV4dCAoZS5nLiBm b3IgUEkpOyB3b3JzZSBzdGlsbAo+IHRoYXQgZWFybGllciByZXF1ZXN0IG1heSBiZSBvdXIgb3du IGRlcGVuZGVuY3kgYW5kIHRoZSBvcmRlciB0aGVuIGJyb2tlbgo+IGJ5IHByZWVtcHRpb24uIEJ5 IGluamVjdGluZyB0aGUgc3dpdGNoLXRvLWlkbGUgYW5kIHRoZW4gcmVjb21wdXRpbmcgdGhlCj4g cHJpb3JpdHkgcXVldWUsIHdlIGF2b2lkIHRoZSBpc3N1ZSB3aXRoIHRyYWNraW5nIGluLWZsaWdo dCBjb2FsZXNjZWQKPiByZXF1ZXN0cy4gSGF2aW5nIHRyaWVkIHRoZSBwcmVlbXB0LXRvLWJ1c3kg YXBwcm9hY2gsIGFuZCBmYWlsZWQgdG8gZmluZAo+IGEgd2F5IGFyb3VuZCB0aGUgY29hbGVzY2Vk IHByaW9yaXR5IGlzc3VlLCBNaWNoYWwncyBvcmlnaW5hbCBwcm9wb3NhbCB0bwo+IGluamVjdCBh biBpZGxlIGNvbnRleHQgKGJhc2VkIG9uIGhhbmRsaW5nIEd1QyBwcmVlbXB0aW9uKSBzdWNjZWVk cy4KPiAKPiBUaGUgY3VycmVudCBoZXVyaXN0aWMgZm9yIGRlY2lkaW5nIHdoZW4gdG8gcHJlZW1w dCBhcmUgb25seSBpZiB0aGUgbmV3Cj4gcmVxdWVzdCBpcyBvZiBoaWdoZXIgcHJpb3JpdHksIGFu ZCBoYXMgdGhlIHByaXZpbGVnZWQgcHJpb3JpdHkgb2YKPiBncmVhdGVyIHRoYW4gMC4gTm90ZSB0 aGF0IHRoZSBzY2hlZHVsZXIgcmVtYWlucyB1bmZhaXIhCj4gCj4gdjI6IERpc2FibGUgZm9yIGdl bjggKGJkdy9ic3cpIGFzIHdlIG5lZWQgYWRkaXRpb25hbCB3L2EgZm9yIEdQR1BVLgo+IFNpbmNl LCB0aGUgZmVhdHVyZSBpcyBub3cgY29uZGl0aW9uYWwgYW5kIG5vdCBhbHdheXMgYXZhaWxhYmxl IHdoZW4gd2UKPiBoYXZlIGEgc2NoZWR1bGVyLCBtYWtlIGl0IGtub3duIHZpYSB0aGUgSEFTX1ND SEVEVUxFUiBHRVRQQVJBTSAobm93IGEKPiBjYXBhYmlsaXR5IG1hc2spLgo+IHYzOiBTdHlsaXN0 aWMgdHdlYWtzLgo+IAo+IFN1Z2dlc3RlZC1ieTogTWljaGFsIFdpbmlhcnNraSA8bWljaGFsLndp bmlhcnNraUBpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0Bj aHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IE1pY2hhbCBXaW5pYXJza2kgPG1pY2hhbC53aW5pYXJz a2lAaW50ZWwuY29tPgo+IENjOiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwu Y29tPgo+IENjOiBBcmthZGl1c3ogSGlsZXIgPGFya2FkaXVzei5oaWxlckBpbnRlbC5jb20+Cj4g Q2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgo+IENjOiBCZW4gV2lk YXdza3kgPGJlbmphbWluLndpZGF3c2t5QGludGVsLmNvbT4KPiBDYzogWmhlbnl1IFdhbmcgPHpo ZW55dXdAbGludXguaW50ZWwuY29tPgo+IENjOiBaaGkgV2FuZyA8emhpLmEud2FuZ0BpbnRlbC5j b20+CgpJJ20gc3RpbGwgdm90aW5nIGZvciAicHJlZW1wdGluZyIgdmFyaWFibGUgbmFtZSArIGtl cm5lbGRvYy4KClJldmlld2VkLWJ5OiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5lbkBs aW51eC5pbnRlbC5jb20+CgpSZWdhcmRzLCBKb29uYXMKLS0gCkpvb25hcyBMYWh0aW5lbgpPcGVu IFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpJbnRlbCBDb3Jwb3JhdGlvbgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK