From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH v2] drm/i915: Execlist irq handler micro optimisations Date: Fri, 12 Feb 2016 15:54:27 +0000 Message-ID: <56BE0033.3090003@linux.intel.com> References: <1455213790-4724-2-git-send-email-tvrtko.ursulin@linux.intel.com> <1455278440-25694-1-git-send-email-tvrtko.ursulin@linux.intel.com> <20160212144252.GB9794@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 mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id CE8916EADC for ; Fri, 12 Feb 2016 07:54:28 -0800 (PST) In-Reply-To: <20160212144252.GB9794@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, Tvrtko Ursulin List-Id: intel-gfx@lists.freedesktop.org Ck9uIDEyLzAyLzE2IDE0OjQyLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gRnJpLCBGZWIgMTIs IDIwMTYgYXQgMTI6MDA6NDBQTSArMDAwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+IEZyb206 IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+Cj4+Cj4+IEFzc29ydGVk IGNoYW5nZXMgbW9zdCBsaWtlbHkgd2l0aG91dCBhbnkgcHJhY3RpY2FsIGVmZmVjdAo+PiBhcGFy dCBmcm9tIGEgdGlueSByZWR1Y3Rpb24gaW4gZ2VuZXJhdGVkIGNvZGUgZm9yIHRoZSBpbnRlcnJ1 cHQKPj4gaGFuZGxlciBhbmQgcmVxdWVzdCBzdWJtaXNzaW9uLgo+Pgo+PiAgICogUmVtb3ZlIG5l ZWRsZXNzIGluaXRpYWxpemF0aW9uLgo+PiAgICogSW1wcm92ZSBjYWNoZSBsb2NhbGl0eSBieSBy ZW9yZ2FuaXppbmcgY29kZSBhbmQvb3IgdXNpbmcKPj4gICAgIGJyYW5jaCBoaW50cyB0byBrZWVw IHVuZXhwZWN0ZWQgb3IgZXJyb3IgY29uZGl0aW9ucyBvdXQKPj4gICAgIG9mIGxpbmUuCj4+ICAg KiBGYXZvciBidXN5IHN1Ym1pdCBwYXRoIHZzLiBlbXB0eSBxdWV1ZS4KPj4gICAqIExlc3MgYnJh bmNoaW5nIGluIGhvdC1wYXRocy4KPj4KPj4gdjI6Cj4+Cj4+ICAgKiBBdm9pZCBtbWlvIHJlYWRz IHdoZW4gcG9zc2libGUuIChDaHJpcyBXaWxzb24pCj4+ICAgKiBVc2UgbmF0dXJhbCBpbnRlZ2Vy IHNpemUgZm9yIGNzYiBpbmRpY2VzLgo+PiAgICogUmVtb3ZlIHVzZWxlc3MgcmV0dXJuIHZhbHVl IGZyb20gZXhlY2xpc3RzX3VwZGF0ZV9jb250ZXh0Lgo+PiAgICogRXh0cmFjdCAzMi1iaXQgcHBn dHQgUERQcyB1cGRhdGUgc28gaXQgaXMgb3V0IG9mIGxpbmUgYW5kCj4+ICAgICBzaGFyZWQgd2l0 aCB0d28gY2FsbGVycy4KPj4gICAqIEdyYWIgZm9yY2V3YWtlIGFjcm9zcyBhbGwgbW1pbyBvcGVy YXRpb25zIHRvIGVhc2UgdGhlCj4+ICAgICBsb2FkIG9uIHVuY29yZSBsb2NrIGFuZCB1c2UgY2hl cGVhciBtbWlvIG9wcy4KPj4KPj4gVmVyc2lvbiAyIG5vdyBtYWtlcyB0aGUgaXJxIGhhbmRsaW5n IGNvZGUgcGF0aCB+MjAlIHNtYWxsZXIgb24KPj4gNDgtYml0IFBQR1RUIGhhcmR3YXJlLCBhbmQg YSBsaXR0bGUgYml0IGxlc3MgZWxzZXdoZXJlLiBIb3QKPj4gcGF0aHMgYXJlIG1vc3RseSBpbi1s aW5lIG5vdyBhbmQgaGFtbWVyaW5nIG9uIHRoZSB1bmNvcmUKPj4gc3BpbmxvY2sgaXMgZ3JlYXRs eSByZWR1Y2VkIHRvZ2V0aGVyIHdpdGggbW1pbyB0cmFmZmljIHRvIGFuCj4+IGV4dGVudC4KPgo+ IERpZCB5b3Ugbm90aWNlIHRoYXQgcmluZy0+bmV4dF9jb250ZXh0X3N0YXR1c19idWZmZXIgaXMg cmVkdW5kYW50IGFzIHdlCj4gYWxzbyBoYXZlIHRoYXQgaW5mb3JtYXRpb24gdG8gaGFuZCBpbiBz dGF0dXNfcG9pbnRlcj8KCkkgZGlkbid0IGFuZCBkb24ndCBrbm93IHRoYXQgcGFydCB0aGF0IHdl bGwuIFRoZXJlIG1pZ2h0IGJlIHNvbWUgZnV0dXJlIApwcm9vZmluZyBpc3N1ZXMgYXJvdW5kIGl0 IGFzIHdlbGwuCgo+IFdoYXQncyB5b3VyIHRoaW5raW5nIGZvcgo+Cj4gCWlmIChyZXEtPmVsc3Bf c3VibWl0dGVkICYgcmluZy0+Z2VuOF85KQo+Cj4gdnMgYSBwbGFpbgo+Cj4gCWlmIChyZXEtPmVs c3Bfc3VibWl0dGVkKQo+ID8KCkFub3RoZXIgZG9uJ3Qga25vdyB0aGlzIHBhcnQgdGhhdCB3ZWxs LiBJcyBpdCBub3QgdXNlZnVsIHRvIG5vdCBzdWJtaXQgCnR3byBub29wcyBpZiB0aGV5IGFyZSBu b3QgbmVlZGVkPyBEbyB0aGV5IHN0aWxsIGVuZCB1cCBzdWJtaXR0ZWQgdG8gdGhlIApHUFUgc29t ZWhvdz8KCj4gVGhlIHRpZGllcyBsb29rIGdvb2QuIEJlIHVzZWZ1bCB0byBkb3VibGUgY2hlY2sg d2hldGhlciBnZW1fbGF0ZW5jeSBpcwo+IGJlaGF2aW5nIGFzIGEgY2FuYXJ5LCBpdCdzIGEgYml0 IG9mIGEgcHV6emxlIHdoeSB0aGF0IGZpcnN0IGRpc3BhdGNoCj4gbGF0ZW5jeSB3b3VsZCBncm93 LgoKWWVzIGEgcHV6emxlLCBubyBpZGVhIGhvdyBhbmQgd2h5LiBCdXQgImdlbV9sYXRlbmN5IC1u IDEwMCIgZG9lcyBub3QgCnNob3cgdGhpcyByZWdyZXNzaW9uLiBJJ3ZlIGRvbmUgYSBodW5kcmVk IHJ1bnMgYW5kIHRoZXNlIGFyZSB0aGUgcmVzdWx0czoKCiAgKiBUaHJvdWdocHV0IHVwIDQuMDQl CiAgKiBEaXNwYXRjaCBsYXRlbmN5IGRvd24gMC4zNyUKICAqIENvbnN1bWVyIGFuZCBwcm9kdWNl ciBsYXRlbmNpZXMgZG93biAyMi41MyUKICAqIENQVSB0aW1lIGRvd24gMi4yNSUKClNvIGl0IGFs bCBsb29rcyBnb29kLgoKUmVnYXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK