From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 2/3] drm/i915: Wake up the bottom-half if we steal their interrupt Date: Wed, 6 Jul 2016 10:31:09 +0100 Message-ID: <577CCFDD.2000501@linux.intel.com> References: <1467791159-23958-1-git-send-email-chris@chris-wilson.co.uk> <1467791159-23958-2-git-send-email-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 mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 03A8089E4C for ; Wed, 6 Jul 2016 09:31:12 +0000 (UTC) In-Reply-To: <1467791159-23958-2-git-send-email-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 List-Id: intel-gfx@lists.freedesktop.org Ck9uIDA2LzA3LzE2IDA4OjQ1LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gRm9sbG93aW5nIG9uIGZy b20gdGhlIHNjZW5hcmlvIFR2cnRrbyBlbnZpc2lvbiB0byBleHBsYWluIGEgaGFyZC10by1oaXQK PiByYWNlIHdpdGggbXVsdGlwbGUgZmlyc3Qgd2FpdGVycywgd2UgY291bGQgYWxzbyB0aGVuIHJh Y2UgaW4gdGhlCj4gX19pOTE1X3JlcXVlc3RfaXJxX2NvbXBsZXRlKCkgYW5kIHRoZSBib3R0b20t aGFsZiBtYXkgbWlzcyB0aGUgdml0YWwKPiBpcnEtc2Vxbm8gYmFycmllciBhbmQgc28gZ28gdG8g c2xlZXAgbm90IG5vdGljaW5nIHRoZWlyIHNlcW5vIGlzCj4gY29tcGxldGUuCj4KPiB2MjogdW5s b2NrLCBub3QgZG91YmxlIGxvY2sgdGhlIHJjdV9yZWFkX2xvY2suCj4KPiBGaXhlczogM2Q1NTY0 ZTkxMDI1ICgiZHJtL2k5MTU6IE9ubHkgYXBwbHkgb25lIGJhcnJpZXIgYWZ0ZXIuLi4iKQo+IFNp Z25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENj OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+IC0tLQo+ICAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaCB8IDIyICsrKysrKysrKysrKysrKysrKysrKysK PiAgIDEgZmlsZSBjaGFuZ2VkLCAyMiBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf ZHJ2LmgKPiBpbmRleCBjMjY5ZTBhZDQwNTcuLjExZTk3Njk0MTFlOSAxMDA2NDQKPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9kcnYuaAo+IEBAIC0zOTk4LDcgKzM5OTgsMTAgQEAgc3RhdGljIGlubGluZSBib29s IF9faTkxNV9yZXF1ZXN0X2lycV9jb21wbGV0ZShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3Qg KnJlcSkKPiAgIAkgKiBpcyB3b2tlbi4KPiAgIAkgKi8KPiAgIAlpZiAoZW5naW5lLT5pcnFfc2Vx bm9fYmFycmllciAmJgo+ICsJICAgIFJFQURfT05DRShlbmdpbmUtPmJyZWFkY3J1bWJzLnRhc2ts ZXQpID09IGN1cnJlbnQgJiYKPiAgIAkgICAgY21weGNoZ19yZWxheGVkKCZlbmdpbmUtPmlycV9w b3N0ZWQsIDEsIDApKSB7Cj4gKwkJc3RydWN0IHRhc2tfc3RydWN0ICp0c2s7Cj4gKwo+ICAgCQkv KiBUaGUgb3JkZXJpbmcgb2YgaXJxX3Bvc3RlZCB2ZXJzdXMgYXBwbHlpbmcgdGhlIGJhcnJpZXIK PiAgIAkJICogaXMgY3J1Y2lhbC4gVGhlIGNsZWFyaW5nIG9mIHRoZSBjdXJyZW50IGlycV9wb3N0 ZWQgbXVzdAo+ICAgCQkgKiBiZSB2aXNpYmxlIGJlZm9yZSB3ZSBwZXJmb3JtIHRoZSBiYXJyaWVy IG9wZXJhdGlvbiwKPiBAQCAtNDAxMiw2ICs0MDE1LDI1IEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBf X2k5MTVfcmVxdWVzdF9pcnFfY29tcGxldGUoc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpy ZXEpCj4gICAJCSAqIHNlcW5vIHVwZGF0ZS4KPiAgIAkJICovCj4gICAJCWVuZ2luZS0+aXJxX3Nl cW5vX2JhcnJpZXIoZW5naW5lKTsKPiArCj4gKwkJLyogSWYgd2UgY29uc3VtZSB0aGUgaXJxLCBi dXQgd2UgYXJlIG5vIGxvbmdlciB0aGUgYm90dG9tLWhhbGYsCj4gKwkJICogdGhlIHJlYWwgYm90 dG9tLWhhbGYgbWF5IG5vdCBoYXZlIHNlcmlhbGlzZWQgdGhlaXIgb3duCj4gKwkJICogc2Vxbm8g Y2hlY2sgd2l0aCB0aGUgaXJxLWJhcnJpZXIgKGkuZS4gbWF5IGhhdmUgaW5zcGVjdGVkCj4gKwkJ ICogdGhlIHNlcW5vIGJlZm9yZSB3ZSBiZWxpZXZlIGl0IGNvaGVyZW50IHNpbmNlIHRoZXkgc2Vl Cj4gKwkJICogaXJxX3Bvc3RlZCA9PSBmYWxzZSBidXQgd2UgYXJlIHN0aWxsIHJ1bm5pbmcpLgo+ ICsJCSAqLwo+ICsJCXJjdV9yZWFkX2xvY2soKTsKPiArCQl0c2sgPSBSRUFEX09OQ0UoZW5naW5l LT5icmVhZGNydW1icy50YXNrbGV0KTsKPiArCQlpZiAodHNrICYmIHRzayAhPSBjdXJyZW50KQo+ ICsJCQkvKiBOb3RlIHRoYXQgaWYgdGhlIGJvdHRvbS1oYWxmIGlzIGNoYW5nZWQgYXMgd2UKPiAr CQkJICogYXJlIHNlbmRpbmcgdGhlIHdha2UtdXAsIHRoZSBuZXcgYm90dG9tLWhhbGYgd2lsbAo+ ICsJCQkgKiBiZSB3b2tlbiBieSB3aG9tZXZlciBtYWRlIHRoZSBjaGFuZ2UuIFdlIG9ubHkgaGF2 ZQo+ICsJCQkgKiB0byB3b3JyeSBhYm91dCB3aGVuIHdlIHN0ZWFsIHRoZSBpcnEtcG9zdGVkIGZv cgo+ICsJCQkgKiBvdXJzZWxmLgo+ICsJCQkgKi8KPiArCQkJd2FrZV91cF9wcm9jZXNzKHRzayk7 Cj4gKwkJcmN1X3JlYWRfdW5sb2NrKCk7Cj4gKwo+ICAgCQlpZiAoaTkxNV9nZW1fcmVxdWVzdF9j b21wbGV0ZWQocmVxKSkKPiAgIAkJCXJldHVybiB0cnVlOwo+ICAgCX0KPgoKTG9va3MgbGlrZSBh ZGRlZCBzYWZldHkgd2hpY2ggY2FuJ3QgaGFybSBhbnl0aGluZyBhcGFydCBmcm9tIGNhdXNpbmcg CnNvbWUgZXh0cmEgd2FrZXVwcyBpbiBjYXNlcyB3aGVyZSB0aGUgY29kZSBkZWNpZGVzIHRvIHdh a2UgdXAgbW9yZSB0aGFuIApvbmUgd2FpdGVyLiBCdXQgaG9uZXN0bHkgaXQgd2FzIHNvIG1pbmQt YmVuZGluZyB0byB0cnkgdG8gZXZhbHVhdGUgdGhlIAppbXBhY3Qgb2YgdGhvc2Ugc28gSSBjYXBp dHVsYXRlZCB0aGVyZS4KCkJ1dCBhcyBJIHNhaWQsIGRvbid0IHNlZSBhbnkgaXNzdWVzIHdpdGgg dGhlIGNvZGUuCgpSZXZpZXdlZC1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGlu dGVsLmNvbT4KClJlZ2FyZHMsCgpUdnJ0a28KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=