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 9AC70C433EF for ; Tue, 23 Nov 2021 16:53:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BEFAA89E36; Tue, 23 Nov 2021 16:53:18 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id DF0BA89E36; Tue, 23 Nov 2021 16:53:16 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10177"; a="221939923" X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="221939923" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2021 08:53:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="571119172" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by fmsmga004.fm.intel.com with ESMTP; 23 Nov 2021 08:53:16 -0800 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx601.amr.corp.intel.com (10.18.126.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.12; Tue, 23 Nov 2021 08:53:15 -0800 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.12; Tue, 23 Nov 2021 08:53:15 -0800 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.2242.012; Tue, 23 Nov 2021 08:53:15 -0800 From: "Vivi, Rodrigo" To: "tvrtko.ursulin@linux.intel.com" , "Belgaumkar, Vinay" Thread-Topic: [PATCH 3/3] drm/i915/gt: Improve "race-to-idle" at low frequencies Thread-Index: AQHX4ErjAawfEDBvGU+7rscWy4C/pKwR2rwA Date: Tue, 23 Nov 2021 16:53:14 +0000 Message-ID: <2eda9ab66fc4ed5c11e467a6e31d801043759ff0.camel@intel.com> References: <20211117224955.28999-1-vinay.belgaumkar@intel.com> <20211117224955.28999-4-vinay.belgaumkar@intel.com> <54ceb734-7b9b-d655-b8b5-39c656f8022e@linux.intel.com> In-Reply-To: <54ceb734-7b9b-d655-b8b5-39c656f8022e@linux.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.40.4 (3.40.4-2.fc34) x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-ID: <47596126015DC54BB82E623068FDE569@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH 3/3] drm/i915/gt: Improve "race-to-idle" at low frequencies X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "chris@chris-wilson.co.uk" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" T24gVHVlLCAyMDIxLTExLTIzIGF0IDA5OjE3ICswMDAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToN Cj4gDQo+IE9uIDIyLzExLzIwMjEgMTg6NDQsIFJvZHJpZ28gVml2aSB3cm90ZToNCj4gPiBPbiBX ZWQsIE5vdiAxNywgMjAyMSBhdCAwMjo0OTo1NVBNIC0wODAwLCBWaW5heSBCZWxnYXVta2FyIHdy b3RlOg0KPiA+ID4gRnJvbTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+ DQo+ID4gPiANCj4gPiA+IFdoaWxlIHRoZSBwb3dlciBjb25zdW1wdGlvbiBpcyBwcm9wb3J0aW9u YWwgdG8gdGhlIGZyZXF1ZW5jeSwNCj4gPiA+IHRoZXJlIGlzDQo+ID4gPiBhbHNvIGEgc3RhdGlj IGRyYXcgZm9yIGFjdGl2ZSBnYXRlcy4gVGhlIGxvbmdlciB3ZSBhcmUgYWJsZSB0bw0KPiA+ID4g cG93ZXJnYXRlDQo+ID4gPiAocmM2KSwgdGhlIGxvd2VyIHRoZSBzdGF0aWMgZHJhdy4gVGh1cyB0 aGVyZSBpcyBhIHN3ZWV0c3BvdCBpbg0KPiA+ID4gdGhlDQo+ID4gPiBmcmVxdWVuY3kvcG93ZXIg Y3VydmUgd2hlcmUgd2UgcnVuIGF0IGhpZ2hlciBmcmVxdWVuY3kgaW4gb3JkZXINCj4gPiA+IHRv IHNsZWVwDQo+ID4gPiBsb25nZXIsIGFrYSByYWNlLXRvLWlkbGUuIFRoaXMgaXMgbW9yZSBldmlk ZW50IGF0IGxvd2VyDQo+ID4gPiBmcmVxdWVuY2llcywgc28NCj4gPiA+IGxldCdzIGxvb2sgdG8g YnVtcCB0aGUgZnJlcXVlbmN5IGlmIHdlIHRoaW5rIHdlIHdpbGwgYmVuZWZpdCBieQ0KPiA+ID4g c2xlZXBpbmcNCj4gPiA+IGxvbmdlciBhdCB0aGUgaGlnaGVyIGZyZXF1ZW5jeSBhbmQgc28gY29u c2VydmluZyBwb3dlci4NCj4gPiA+IA0KPiA+ID4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29u IDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+DQo+ID4gPiBDYzogVmluYXkgQmVsZ2F1bWthciA8 dmluYXkuYmVsZ2F1bWthckBpbnRlbC5jb20+DQo+ID4gPiBDYzogVHZydGtvIFVyc3VsaW4gPHR2 cnRrby51cnN1bGluQGxpbnV4LmludGVsLmNvbT4NCj4gPiANCj4gPiBQbGVhc2UgbGV0J3Mgbm90 IGluY3JlYXNlIHRoZSBjb21wbGV4aXR5IGhlcmUsIHVubGVzcyB3ZSBoYXZlIGENCj4gPiB2ZXJ5 IGdvb2QNCj4gPiBhbmQgZG9jdW1lbnRlZCByZWFzb24uDQo+ID4gDQo+ID4gQmVmb3JlIHRyeWlu ZyB0byBpbXBsZW1lbnQgYW55dGhpbmcgc21hcnQgbGlrZSB0aGlzIGluIHRoZSBkcml2ZXINCj4g PiBJJ2QgbGlrZQ0KPiA+IHRvIHNlZSBkYXRhLCBwb3dlciBhbmQgcGVyZm9ybWFuY2UgcmVzdWx0 cyBpbiBkaWZmZXJlbnQgcGxhdGZvcm1zDQo+ID4gYW5kIHdpdGgNCj4gPiBkaWZmZXJlbnQgd29y a2xvYWRzLg0KPiANCj4gV2hvIGhhcyBzdWNoIHRlc3Qgc3VpdGUgYW5kIHRlc3QgZmFybSB3aGlj aCBpc24ndCBmb2N1c2VkIHRvDQo+IHdvcmtsb2FkcyANCj4gZnJvbSBhIHNpbmdsZSBjdXN0b21l cj8gOygNCg0KT2theSwgbWF5YmUgd2UgZG9uJ3QgbmVlZCB0byBjb3ZlciB0aGUgd29ybGQgaGVy ZS4gQnV0IHdpdGhvdXQgc2VlbiBhbnkNCmRhdGEgYXQgYWxsIGl0IGlzIGhhcmQgdG8gbWFrZSB0 aGlzIGNhbGwuDQoNCj4gDQo+IFJlZ2FyZHMsDQo+IA0KPiBUdnJ0a28NCg0K