From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 4/4] drm/i915: Remove the spin-request during execbuf await_request Date: Wed, 7 Jun 2017 11:22:24 +0100 Message-ID: <95bc18e4-49eb-986c-b018-06f60a2007e7@linux.intel.com> References: <20170605102619.4679-1-chris@chris-wilson.co.uk> <20170605102619.4679-4-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 400A76E232 for ; Wed, 7 Jun 2017 10:22:45 +0000 (UTC) In-Reply-To: <20170605102619.4679-4-chris@chris-wilson.co.uk> Content-Language: en-GB 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 Ck9uIDA1LzA2LzIwMTcgMTE6MjYsIENocmlzIFdpbHNvbiB3cm90ZToKPiBPcmlnaW5hbGx5IHdl IHdvdWxkIGVuYWJsZSBhbmQgZGlzYWJsZSB0aGUgYnJlYWRjcnVtYiBpbnRlcnJ1cHQKPiBpbW1l ZGlhdGVseSBvbiBkZW1hbmQuIFRoaXMgd2FzIHNsb3cgZW5vdWdoIHRvIGhhdmUgYSBsYXJnZSBp bXBhY3QKPiAoPjMwJSkgb24gdGFza3MgdGhhdCBob3BwZWQgYmV0d2VlbiBlbmdpbmVzLiBIb3dl dmVyLCBieSB1c2luZyBhIHNoYWRvdwo+IHRvIGtlZXAgdGhlIGlycSBhbGl2ZSBmb3IgYW4gZXh0 cmEgaW50ZXJydXB0IChzZWUgY29tbWl0IDY3YjgwN2E4OTIzMAo+ICgiZHJtL2k5MTU6IERlbGF5 IGRpc2FibGluZyB0aGUgdXNlciBpbnRlcnJ1cHQgZm9yIGJyZWFkY3J1bWJzIikpIGFuZAo+IGJ5 IHJlY2VudGx5IHJlZHVjaW5nIHRoZSBjb3N0IGluIGFkZGluZyBvdXJzZWx2ZXMgdG8gdGhlIHNp Z25hbCB0cmVlLCB3ZQo+IG5vIGxvbmdlciBuZWVkIHRvIHNwaW4tcmVxdWVzdCBkdXJpbmcgYXdh aXRfcmVxdWVzdCB0byBhdm9pZCBkZWxheXMgaW4KPiB0aHJvdWdocHV0IHRlc3RzLiBXaXRob3V0 IHRoZSBlYXJsaWVyIHBhdGNoZXMgdG8gc3RvcCB0aGUgd2FrZXVwIHdoZW4KPiBzaWduYWxpbmcg aWYgdGhlIGlycSB3YXMgYWxyZWFkeSBhY3RpdmUsIHdlIHNhdyBubyBpbXByb3ZlbWVudCBpbgo+ IGV4ZWNidWYgb3ZlcmhlYWQgKGFuZCBjb3JyZXNwb25kaW5nIGNvbnRlbnRpb24gaW4gb3RoZXIg Y2xpZW50cykgZGVzcGl0ZQo+IHRoZSByZW1vdmFsIG9mIHRoZSBzcGlubmVyIGluIGEgc2ltcGxl IHRlc3QgbGlrZSBnbHhnZWFycy4gVGhpcyBtZWFucwo+IHRoYXQgd2lsbCBiZSBzY2VuYXJpb3Mg d2hlcmUgbm93IHdlIHNwZW5kIGxvbmdlciBlbmFibGluZyB0aGUgaW50ZXJydXB0CgoiVGhlcmUg d2lsbCBiZSIgSSBndWVzcz8KCj4gdGhhbiB3ZSB3b3VsZCBoYXZlIHNwZW50IHNwaW5uaW5nLCBi dXQgdGhlc2UgYXJlIG5vdCBsaWtlbHkgdG8gaGF2ZSBhcwo+IG5vdGljZWFibGUgYW4gaW1wYWN0 IGFzIHRoZSBoaWdoIGZyZXF1ZW5jeSB0ZXN0IGNhc2VzICh3aGVyZSB0aGVyZQo+IHNob3VsZCBu b3QgYmUgYW55IHJlZ3Jlc3Npb24pLgo+IAo+IFVsdGVyaW9yIG1vdGl2ZTogZ2VuZXJhbGlzaW5n IHRoZSBlbmdpbmUtPnN5bmNfdG8gdG8gaGFuZGxlIGRpZmZlcmVudAo+IHR5cGVzIG9mIHNlbWFw aG9yZXMgYW5kIG5vbi1zZW1hcGhvcmVzLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNv biA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBKb29uYXMgTGFodGluZW4gPGpvb25h cy5sYWh0aW5lbkBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28u dXJzdWxpbkBpbnRlbC5jb20+Cj4gQ2M6IE9zY2FyIE1hdGVvIDxvc2Nhci5tYXRlb0BpbnRlbC5j b20+Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0LmMgfCAx OCArKysrKystLS0tLS0tLS0tLS0KPiAgIDEgZmlsZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKyks IDEyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X2dlbV9yZXF1ZXN0LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0 LmMKPiBpbmRleCA0NmQ4NjllMjZiNGQuLjhjNTljNzljYmQ4YiAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0LmMKPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0LmMKPiBAQCAtNjgzLDcgKzY4Myw2IEBAIHN0YXRpYyBp bnQKPiAgIGk5MTVfZ2VtX3JlcXVlc3RfYXdhaXRfcmVxdWVzdChzdHJ1Y3QgZHJtX2k5MTVfZ2Vt X3JlcXVlc3QgKnRvLAo+ICAgCQkJICAgICAgIHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAq ZnJvbSkKPiAgIHsKPiAtCXUzMiBzZXFubzsKPiAgIAlpbnQgcmV0Owo+ICAgCj4gICAJR0VNX0JV R19PTih0byA9PSBmcm9tKTsKPiBAQCAtNzA3LDE4ICs3MDYsMTQgQEAgaTkxNV9nZW1fcmVxdWVz dF9hd2FpdF9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqdG8sCj4gICAJCXJl dHVybiByZXQgPCAwID8gcmV0IDogMDsKPiAgIAl9Cj4gICAKPiAtCXNlcW5vID0gaTkxNV9nZW1f cmVxdWVzdF9nbG9iYWxfc2Vxbm8oZnJvbSk7Cj4gLQlpZiAoIXNlcW5vKQo+IC0JCWdvdG8gYXdh aXRfZG1hX2ZlbmNlOwo+ICsJaWYgKHRvLT5lbmdpbmUtPnNlbWFwaG9yZS5zeW5jX3RvKSB7Cj4g KwkJdTMyIHNlcW5vOwo+ICAgCj4gLQlpZiAoIXRvLT5lbmdpbmUtPnNlbWFwaG9yZS5zeW5jX3Rv KSB7Cj4gLQkJaWYgKCFfX2k5MTVfZ2VtX3JlcXVlc3Rfc3RhcnRlZChmcm9tLCBzZXFubykpCj4g LQkJCWdvdG8gYXdhaXRfZG1hX2ZlbmNlOwo+ICsJCUdFTV9CVUdfT04oIWZyb20tPmVuZ2luZS0+ c2VtYXBob3JlLnNpZ25hbCk7Cj4gICAKPiAtCQlpZiAoIV9faTkxNV9zcGluX3JlcXVlc3QoZnJv bSwgc2Vxbm8sIFRBU0tfSU5URVJSVVBUSUJMRSwgMikpCj4gKwkJc2Vxbm8gPSBpOTE1X2dlbV9y ZXF1ZXN0X2dsb2JhbF9zZXFubyhmcm9tKTsKPiArCQlpZiAoIXNlcW5vKQo+ICAgCQkJZ290byBh d2FpdF9kbWFfZmVuY2U7Cj4gLQl9IGVsc2Ugewo+IC0JCUdFTV9CVUdfT04oIWZyb20tPmVuZ2lu ZS0+c2VtYXBob3JlLnNpZ25hbCk7Cj4gICAKPiAgIAkJaWYgKHNlcW5vIDw9IHRvLT50aW1lbGlu ZS0+Z2xvYmFsX3N5bmNbZnJvbS0+ZW5naW5lLT5pZF0pCj4gICAJCQlyZXR1cm4gMDsKPiBAQCAt NzI5LDEwICs3MjQsOSBAQCBpOTE1X2dlbV9yZXF1ZXN0X2F3YWl0X3JlcXVlc3Qoc3RydWN0IGRy bV9pOTE1X2dlbV9yZXF1ZXN0ICp0bywKPiAgIAkJCXJldHVybiByZXQ7Cj4gICAKPiAgIAkJdG8t PnRpbWVsaW5lLT5nbG9iYWxfc3luY1tmcm9tLT5lbmdpbmUtPmlkXSA9IHNlcW5vOwo+ICsJCXJl dHVybiAwOwo+ICAgCX0KPiAgIAo+IC0JcmV0dXJuIDA7Cj4gLQo+ICAgYXdhaXRfZG1hX2ZlbmNl Ogo+ICAgCXJldCA9IGk5MTVfc3dfZmVuY2VfYXdhaXRfZG1hX2ZlbmNlKCZ0by0+c3VibWl0LAo+ ICAgCQkJCQkgICAgJmZyb20tPmZlbmNlLCAwLAo+IAoKUmV2aWV3ZWQtYnk6IFR2cnRrbyBVcnN1 bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+CgpSZWdhcmRzLAoKVHZydGtvCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=