From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F03DDC433EF for ; Tue, 19 Jul 2022 07:45:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 87093112AA0; Tue, 19 Jul 2022 07:45:15 +0000 (UTC) X-Greylist: delayed 57302 seconds by postgrey-1.36 at gabe; Tue, 19 Jul 2022 07:45:14 UTC Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 20A94112AA0 for ; Tue, 19 Jul 2022 07:45:13 +0000 (UTC) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-195-w4wS7Z9kPLWuciSaR4LFhw-1; Tue, 19 Jul 2022 08:45:10 +0100 X-MC-Unique: w4wS7Z9kPLWuciSaR4LFhw-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.36; Tue, 19 Jul 2022 08:45:08 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Tue, 19 Jul 2022 08:45:08 +0100 From: David Laight To: 'Tvrtko Ursulin' , 'Mauro Carvalho Chehab' Subject: RE: [Intel-gfx] [PATCH v2 01/21] drm/i915/gt: Ignore TLB invalidations on idle engines Thread-Topic: [Intel-gfx] [PATCH v2 01/21] drm/i915/gt: Ignore TLB invalidations on idle engines Thread-Index: AQHYmrY8zdEzbxnvNkSYe57Mev6je62ERXnQgAD1jgCAABUfUA== Date: Tue, 19 Jul 2022 07:45:08 +0000 Message-ID: <0259b5ae72c44d9b8dd12c3431c0c36f@AcuMS.aculab.com> References: <76318fe1-37dc-8a1e-317e-76333995b8ca@linux.intel.com> <20220718165341.30ee6e31@maurocar-mobl2> <7ed6b275-e0d3-12b7-cdbe-c43994e92b47@linux.intel.com> In-Reply-To: <7ed6b275-e0d3-12b7-cdbe-c43994e92b47@linux.intel.com> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?B?VGhvbWFzIEhlbGxzdHLDtm0=?= , David Airlie , "intel-gfx@lists.freedesktop.org" , Lucas De Marchi , "linux-kernel@vger.kernel.org" , Chris Wilson , "dri-devel@lists.freedesktop.org" , Rodrigo Vivi , Dave Airlie , "stable@vger.kernel.org" , Mauro Carvalho Chehab , Matthew Auld Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogVHZydGtvIFVyc3VsaW4NCj4gU2VudDogMTkgSnVseSAyMDIyIDA4OjI1DQouLi4NCj4g PiBJdCdzIG5vdCBvbmx5IHRoZSBUTEIgZmx1c2hlcyB0aGF0IGNhdXNlIGdyaWVmLg0KPiA+DQo+ ID4gVGhlcmUgaXMgYSBsb29wIHRoYXQgZm9yY2VzIGEgd3JpdGUtYmFjayBvZiBhbGwgdGhlIGZy YW1lIGJ1ZmZlciBwYWdlcy4NCj4gPiBXaXRoIGEgbGFyZ2UgZGlzcGxheSBhbmQgc29tZSBjcHUg KGxpa2UgbXkgSXZ5IGJyaWRnZSBvbmUpIHRoYXQNCj4gPiB0YWtlcyBsb25nIGVub3VnaCB3aXRo IHByZS1lbXB0aW9uIGRpc2FibGVkIHRoYXQgd2FrZXVwIG9mIFJUIHByb2Nlc3Nlcw0KPiA+IChh bmQgYW55IHBpbm5lZCB0byB0aGUgY3B1KSB0YWtlcyBmYXIgbG9uZ2VyIHRoYW4gb25lIG1pZ2h0 IGhhdmUNCj4gPiB3aXNoZWQgZm9yLg0KPiA+DQo+ID4gU2luY2Ugc29tZSBYIHNlcnZlcnMgcmVx dWVzdCBhIGZsdXNoIGV2ZXJ5IGZldyBzZWNvbmRzIHRoaXMgbWFrZXMNCj4gPiB0aGUgc3lzdGVt IHVudXNhYmxlIGZvciBzb21lIHdvcmtsb2Fkcy4NCj4gDQo+IE9rIFRMQiBpbnZhbGlkYXRpb25z IGFzIGRpc2N1c3NlZCBpbiB0aGlzIHBhdGNoIGRvZXMgbm90IGFwcGx5IHRvDQo+IEl2eWJyaWRn ZS4gQnV0IHdoYXQgaXMgdGhlIHdyaXRlIGJhY2sgbG9vcCB5b3UgbWVudGlvbiB3aGljaCBpcyBj YXVzaW5nDQo+IHlvdSBncmllZj8gV2hhdCBzaXplIGZyYW1lIGJ1ZmZlcnMgYXJlIHdlIHRhbGtp bmcgYWJvdXQgaGVyZT8gSWYgdGhleQ0KPiBkb24ndCBmaXQgaW4gdGhlIG1hcHBhYmxlIGFyZWEg cmVjZW50bHkgd2UgbWVyZ2VkIGEgcGF0Y2gqIHdoaWNoDQo+IGltcHJvdmVzIHRoaW5ncyBpbiB0 aGF0IHNpdHVhdGlvbiBidXQgbm90IHN1cmUgeW91IGFyZSBoaXR0aW5nIGV4YWN0bHkgdGhhdC4N Cg0KSSBmb3VuZCB0aGUgb2xkIGVtYWlsOg0KDQpXaGF0IEkndmUgZm91bmQgaXMgdGhhdCB0aGUg SW50ZWwgaTkxNSBncmFwaGljcyBkcml2ZXIgdXNlcyB0aGUgJ2V2ZW50c191bmJvdW5kJw0Ka2Vy bmVsIHdvcmtlciB0aHJlYWQgdG8gcGVyaW9kaWNhbGx5IGV4ZWN1dGUgZHJtX2NmbHVzaF9zZygp Lg0KKHNlZSBodHRwczovL2dpdGh1Yi5jb20vdG9ydmFsZHMvbGludXgvYmxvYi9tYXN0ZXIvZHJp dmVycy9ncHUvZHJtL2RybV9jYWNoZS5jKQ0KDQpJJ20gZ3Vlc3NpbmcgdGhpcyBpcyB0byBlbnN1 cmUgdGhhdCBhbnkgd3JpdGVzIHRvIGdyYXBoaWNzIG1lbW9yeSBiZWNvbWUNCnZpc2libGUgaXMg YSBzZW1pLXRpbWVseSBtYW5uZXIuDQoNClRoaXMgbG9vcCB0YWtlcyBhYm91dCAxdXMgcGVyIGl0 ZXJhdGlvbiBzcGxpdCBmYWlybHkgZXZlbmx5IGJldHdlZW4gd2hhdGV2ZXIgaXMgaW4NCmZvcl9l YWNoX3NnX3BhZ2UoKSBhbmQgZHJtX2NmbHVzaF9wYWdlKCkuDQpXaXRoIGEgMjU2MHgxNDQwIGRp c3BsYXkgdGhlIGxvb3AgY291bnQgaXMgMzYwMCAoNCBieXRlcy9waXhlbCkgYW5kIHRoZSB3aG9s ZQ0KZnVuY3Rpb24gdGFrZXMgYXJvdW5kIDMuM21zLg0KDQpJSVJDIHRoZSBmaXJzdCBmZXcgcGFn ZSBmbHVzaGVzIGFyZSBxdWljayAoSSBiZXQgdGhleSBnbyBpbnRvIGEgZmlmbykNCmFuZCB0aGVu IHRoZXkgYWxsIGdldCBzbG93Lg0KVGhlIGZsdXNoZXMgYXJlIGFjdHVhbGx5IHJlcXVlc3RlZCBm cm9tIHVzZXJzcGFjZS4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lk ZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0K UmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==