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 16:14:10 +0300 Message-ID: <1506690850.4729.93.camel@linux.intel.com> References: <20170928193910.17988-1-chris@chris-wilson.co.uk> <20170928193910.17988-12-chris@chris-wilson.co.uk> <1506670197.4729.9.camel@linux.intel.com> <150667992005.27384.17678506487224981105@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id C065B6E121 for ; Fri, 29 Sep 2017 13:14:13 +0000 (UTC) In-Reply-To: <150667992005.27384.17678506487224981105@mail.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 Cc: Mika Kuoppala , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE3LTA5LTI5IGF0IDExOjEyICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4g UXVvdGluZyBKb29uYXMgTGFodGluZW4gKDIwMTctMDktMjkgMDg6Mjk6NTcpCj4gPiBPbiBUaHUs IDIwMTctMDktMjggYXQgMjA6MzkgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiA+ID4gV2hl biB3ZSB3cml0ZSB0byBFTFNQLCBpdCB0cmlnZ2VycyBhIGNvbnRleHQgcHJlZW1wdGlvbiBhdCB0 aGUgZWFybGllc3QKPiA+ID4gYXJiaXRyYXRpb24gcG9pbnQgKDNEUFJJTUlUSVZFLCBzb21lIFBJ UEVDT05UUk9McywgYSBmZXcgb3RoZXIKPiA+ID4gb3BlcmF0aW9ucyBhbmQgdGhlIGV4cGxpY2l0 IE1JX0FSQl9DSEVDSykuIElmIHRoaXMgaXMgdG8gdGhlIHNhbWUKPiA+ID4gY29udGV4dCwgaXQg dHJpZ2dlcnMgYSBMSVRFX1JFU1RPUkUgd2hlcmUgdGhlIFJJTkdfVEFJTCBpcyBtZXJlbHkKPiA+ ID4gdXBkYXRlZCAodXNlZCBjdXJyZW50bHkgdG8gY2hhaW4gcmVxdWVzdHMgZnJvbSB0aGUgc2Ft ZSBjb250ZXh0Cj4gPiA+IHRvZ2V0aGVyLCBhdm9pZGluZyBidWJibGVzKS4gSG93ZXZlciwgaWYg aXQgaXMgdG8gYSBkaWZmZXJlbnQgY29udGV4dCwgYQo+ID4gPiBmdWxsIGNvbnRleHQtc3dpdGNo IGlzIHBlcmZvcm1lZCBhbmQgaXQgd2lsbCBzdGFydCB0byBleGVjdXRlIHRoZSBuZXcKPiA+ID4g Y29udGV4dCBzYXZpbmcgdGhlIGltYWdlIG9mIHRoZSBvbGQgZm9yIGxhdGVyIGV4ZWN1dGlvbi4K PiA+ID4gCj4gPiA+IFByZXZpb3VzbHkgd2UgYXZvaWRlZCBwcmVlbXB0aW9uIGJ5IG9ubHkgc3Vi bWl0dGluZyBhIG5ldyBjb250ZXh0IHdoZW4KPiA+ID4gdGhlIG9sZCB3YXMgaWRsZS4gQnV0IG5v dyB3ZSB3aXNoIGVtYnJhY2UgaXQsIGFuZCBpZiB0aGUgbmV3IHJlcXVlc3QgaGFzCj4gPiA+IGEg aGlnaGVyIHByaW9yaXR5IHRoYW4gdGhlIGN1cnJlbnRseSBleGVjdXRpbmcgcmVxdWVzdCwgd2Ug d3JpdGUgdG8gdGhlCj4gPiA+IEVMU1AgcmVnYXJkbGVzcywgdGh1cyB0cmlnZ2VyaW5nIHByZWVt cHRpb24sIGJ1dCB3ZSB0ZWxsIHRoZSBHUFUgdG8KPiA+ID4gc3dpdGNoIHRvIG91ciBzcGVjaWFs IHByZWVtcHRpb24gY29udGV4dCAobm90IHRoZSB0YXJnZXQpLiBJbiB0aGUKPiA+ID4gY29udGV4 dC1zd2l0Y2ggaW50ZXJydXB0IGhhbmRsZXIsIHdlIGtub3cgdGhhdCB0aGUgcHJldmlvdXMgY29u dGV4dHMKPiA+ID4gaGF2ZSBmaW5pc2hlZCBleGVjdXRpb24gYW5kIHNvIGNhbiB1bndpbmQgYWxs IHRoZSBpbmNvbXBsZXRlIHJlcXVlc3RzCj4gPiA+IGFuZCBjb21wdXRlIHRoZSBuZXcgaGlnaGVz dCBwcmlvcml0eSByZXF1ZXN0IHRvIGV4ZWN1dGUuCj4gPiA+IAo+ID4gPiBJdCB3b3VsZCBiZSBm ZWFzaWJsZSB0byBhdm9pZCB0aGUgc3dpdGNoLXRvLWlkbGUgaW50ZXJtZWRpYXRlIGJ5Cj4gPiA+ IHByb2dyYW1taW5nIHRoZSBFTFNQIHdpdGggdGhlIHRhcmdldCBjb250ZXh0LiBUaGUgZGlmZmlj dWx0eSBpcyBpbgo+ID4gPiB0cmFja2luZyB3aGljaCByZXF1ZXN0IHRoYXQgc2hvdWxkIGJlIHdo aWxzdCBtYWludGFpbmluZyB0aGUgZGVwZW5kZW5jeQo+ID4gPiBjaGFuZ2UsIHRoZSBlcnJvciBj b21lcyBpbiB3aXRoIGNvYWxlc2NlZCByZXF1ZXN0cy4gQXMgd2Ugb25seSB0cmFjayB0aGUKPiA+ ID4gbW9zdCByZWNlbnQgcmVxdWVzdCBhbmQgaXRzIHByaW9yaXR5LCB3ZSBtYXkgcnVuIGludG8g dGhlIGlzc3VlIG9mIGJlaW5nCj4gPiA+IHRyaWNrZWQgaW4gcHJlZW1wdGluZyBhIGhpZ2ggcHJp b3JpdHkgcmVxdWVzdCB0aGF0IHdhcyBmb2xsb3dlZCBieSBhCj4gPiA+IGxvdyBwcmlvcml0eSBy ZXF1ZXN0IGZyb20gdGhlIHNhbWUgY29udGV4dCAoZS5nLiBmb3IgUEkpOyB3b3JzZSBzdGlsbAo+ ID4gPiB0aGF0IGVhcmxpZXIgcmVxdWVzdCBtYXkgYmUgb3VyIG93biBkZXBlbmRlbmN5IGFuZCB0 aGUgb3JkZXIgdGhlbiBicm9rZW4KPiA+ID4gYnkgcHJlZW1wdGlvbi4gQnkgaW5qZWN0aW5nIHRo ZSBzd2l0Y2gtdG8taWRsZSBhbmQgdGhlbiByZWNvbXB1dGluZyB0aGUKPiA+ID4gcHJpb3JpdHkg cXVldWUsIHdlIGF2b2lkIHRoZSBpc3N1ZSB3aXRoIHRyYWNraW5nIGluLWZsaWdodCBjb2FsZXNj ZWQKPiA+ID4gcmVxdWVzdHMuIEhhdmluZyB0cmllZCB0aGUgcHJlZW1wdC10by1idXN5IGFwcHJv YWNoLCBhbmQgZmFpbGVkIHRvIGZpbmQKPiA+ID4gYSB3YXkgYXJvdW5kIHRoZSBjb2FsZXNjZWQg cHJpb3JpdHkgaXNzdWUsIE1pY2hhbCdzIG9yaWdpbmFsIHByb3Bvc2FsIHRvCj4gPiA+IGluamVj dCBhbiBpZGxlIGNvbnRleHQgKGJhc2VkIG9uIGhhbmRsaW5nIEd1QyBwcmVlbXB0aW9uKSBzdWNj ZWVkcy4KPiA+ID4gCj4gPiA+IFRoZSBjdXJyZW50IGhldXJpc3RpYyBmb3IgZGVjaWRpbmcgd2hl biB0byBwcmVlbXB0IGFyZSBvbmx5IGlmIHRoZSBuZXcKPiA+ID4gcmVxdWVzdCBpcyBvZiBoaWdo ZXIgcHJpb3JpdHksIGFuZCBoYXMgdGhlIHByaXZpbGVnZWQgcHJpb3JpdHkgb2YKPiA+ID4gZ3Jl YXRlciB0aGFuIDAuIE5vdGUgdGhhdCB0aGUgc2NoZWR1bGVyIHJlbWFpbnMgdW5mYWlyIQo+ID4g PiAKPiA+ID4gdjI6IERpc2FibGUgZm9yIGdlbjggKGJkdy9ic3cpIGFzIHdlIG5lZWQgYWRkaXRp b25hbCB3L2EgZm9yIEdQR1BVLgo+ID4gPiBTaW5jZSwgdGhlIGZlYXR1cmUgaXMgbm93IGNvbmRp dGlvbmFsIGFuZCBub3QgYWx3YXlzIGF2YWlsYWJsZSB3aGVuIHdlCj4gPiA+IGhhdmUgYSBzY2hl ZHVsZXIsIG1ha2UgaXQga25vd24gdmlhIHRoZSBIQVNfU0NIRURVTEVSIEdFVFBBUkFNIChub3cg YQo+ID4gPiBjYXBhYmlsaXR5IG1hc2spLgo+ID4gPiB2MzogU3R5bGlzdGljIHR3ZWFrcy4KPiA+ ID4gCj4gPiA+IFN1Z2dlc3RlZC1ieTogTWljaGFsIFdpbmlhcnNraSA8bWljaGFsLndpbmlhcnNr aUBpbnRlbC5jb20+Cj4gPiA+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hy aXMtd2lsc29uLmNvLnVrPgo+ID4gPiBDYzogTWljaGFsIFdpbmlhcnNraSA8bWljaGFsLndpbmlh cnNraUBpbnRlbC5jb20+Cj4gPiA+IENjOiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5A aW50ZWwuY29tPgo+ID4gPiBDYzogQXJrYWRpdXN6IEhpbGVyIDxhcmthZGl1c3ouaGlsZXJAaW50 ZWwuY29tPgo+ID4gPiBDYzogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBpbnRlbC5jb20+ Cj4gPiA+IENjOiBCZW4gV2lkYXdza3kgPGJlbmphbWluLndpZGF3c2t5QGludGVsLmNvbT4KPiA+ ID4gQ2M6IFpoZW55dSBXYW5nIDx6aGVueXV3QGxpbnV4LmludGVsLmNvbT4KPiA+ID4gQ2M6IFpo aSBXYW5nIDx6aGkuYS53YW5nQGludGVsLmNvbT4KPiA+IAo+ID4gSSdtIHN0aWxsIHZvdGluZyBm b3IgInByZWVtcHRpbmciIHZhcmlhYmxlIG5hbWUgKyBrZXJuZWxkb2MuCj4gCj4gSSdtIG9wZW4g dG8gc3VnZ2VzdGlvbnMsIG9yIGV2ZW4gYSBsaXN0IG9mIHF1ZXN0aW9ucyB0aGF0IHlvdSB3b3Vs ZCBsaWtlCj4gYW5zd2VyZWQgZm9yIEBwcmVlbXB0W2luZ10uCj4gCj4gVGhhdCBnb2VzIGZvciBh bnl0aGluZy4gSWYgYXQgYW55IHRpbWUgYW55b25lIHNlZXMgc29tZXRoaW5nIG9kZCBvciBub3QK PiBjbGVhciBmcm9tIHRoZSBjb250ZXh0IHdoaWxlIHJlYWRpbmcgdGhlIGNvZGUsIGp1c3Qgc2Vu ZCBhIHBhdGNoIGFkZGluZyBhCj4gcXVlc3Rpb24uIEtub3dpbmcgYXQgd2hhdCBwb2ludCB0aGUg Y29uZnVzaW9uIGFyb3NlIGdpdmVzIHVzIHRoZSBwZXJmZWN0Cj4gcGxhY2UgdG8gYWRkcmVzcyB0 aGF0IGZvciB0aGUgbmV4dCByZWFkZXIuCgpNeSBwb2ludCBvZiBjb25mdXNpb24gd2FzIHRoYXQg ImlmIChleGVjbGlzdHMtPnByZWVtcHQpIiBsb29rcyBsb3QgbGlrZQphIGNhbGxiYWNrIGhvb2su IFNvIEkgd2FzIGV4cGVjdGluZyBleGVjbGlzdHMtPnByZWVtcHQoKS4uLiBJdCdzIG5vdCBhCmh1 Z2UgcG9pbnQuCgpSZWdhcmRzLCBKb29uYXMKLS0gCkpvb25hcyBMYWh0aW5lbgpPcGVuIFNvdXJj ZSBUZWNobm9sb2d5IENlbnRlcgpJbnRlbCBDb3Jwb3JhdGlvbgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK