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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C5F6C433DF for ; Mon, 24 Aug 2020 19:29:19 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3C70520578 for ; Mon, 24 Aug 2020 19:29:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C70520578 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B519B6E157; Mon, 24 Aug 2020 19:29:17 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 14A556E157 for ; Mon, 24 Aug 2020 19:29:16 +0000 (UTC) IronPort-SDR: uEK1/zVLRB8twD7kASCT3+6bK1hd+g+CyrlulC+vNk6PnmP1sxR7SaLXBnGpqFBpajPPUySx2k 0xRs2InSITwg== X-IronPort-AV: E=McAfee;i="6000,8403,9723"; a="136040089" X-IronPort-AV: E=Sophos;i="5.76,349,1592895600"; d="scan'208";a="136040089" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2020 12:29:15 -0700 IronPort-SDR: D695AKMWvnf1odz3Dys+cm1+/7AWGvo2H7ljrLhxcUQsafSmhd9B0lIPDKSnlZUnAsckOJtIkX rIuJMF+69ZpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,349,1592895600"; d="scan'208";a="281287711" Received: from fmsmsx603-2.cps.intel.com (HELO fmsmsx603.amr.corp.intel.com) ([10.18.84.213]) by fmsmga008.fm.intel.com with ESMTP; 24 Aug 2020 12:29:15 -0700 Received: from fmsmsx603.amr.corp.intel.com (10.18.126.83) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Mon, 24 Aug 2020 12:29:14 -0700 Received: from fmsmsx108.amr.corp.intel.com (10.18.124.206) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5 via Frontend Transport; Mon, 24 Aug 2020 12:29:14 -0700 Received: from fmsmsx107.amr.corp.intel.com ([169.254.6.136]) by FMSMSX108.amr.corp.intel.com ([169.254.9.77]) with mapi id 14.03.0439.000; Mon, 24 Aug 2020 12:29:14 -0700 From: "Souza, Jose" To: "De Marchi, Lucas" Thread-Topic: [Intel-gfx] [PATCH v5 05/22] drm/i915/dg1: Wait for pcode/uncore handshake at startup Thread-Index: AQHWYgLxMAbu3Zz8SEqUR6oBJrnJ8aknjF0AgCC9RQCAAAIfgA== Date: Mon, 24 Aug 2020 19:29:13 +0000 Message-ID: References: <20200724213918.27424-1-lucas.demarchi@intel.com> <20200724213918.27424-6-lucas.demarchi@intel.com> <791224e3effd491cc3276cbe55a2958dafdfe3fd.camel@intel.com> <20200824192416.3a75wbqwhan2xdv5@ldmartin-desk1> In-Reply-To: <20200824192416.3a75wbqwhan2xdv5@ldmartin-desk1> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.22.240.12] Content-ID: MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH v5 05/22] drm/i915/dg1: Wait for pcode/uncore handshake at startup 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" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" T24gTW9uLCAyMDIwLTA4LTI0IGF0IDEyOjI0IC0wNzAwLCBMdWNhcyBEZSBNYXJjaGkgd3JvdGU6 DQo+IE9uIE1vbiwgQXVnIDAzLCAyMDIwIGF0IDA0OjI0OjE3UE0gLTA3MDAsIEpvc2UgU291emEg d3JvdGU6DQo+ID4gT24gRnJpLCAyMDIwLTA3LTI0IGF0IDE0OjM5IC0wNzAwLCBMdWNhcyBEZSBN YXJjaGkgd3JvdGU6DQo+ID4gPiBGcm9tOiBNYXR0IFJvcGVyIDwNCj4gPiA+IG1hdHRoZXcuZC5y b3BlckBpbnRlbC5jb20NCj4gPiA+IA0KPiA+ID4gDQo+ID4gPiBERzEgZG9lcyBzb21lIGFkZGl0 aW9uYWwgcGNvZGUvdW5jb3JlIGhhbmRzaGFraW5nIGF0DQo+ID4gPiBib290IHRpbWU7IHRoaXMg aGFuZHNoYWtpbmcgbXVzdCBjb21wbGV0ZSBiZWZvcmUgdmFyaW91cyBvdGhlciBwY29kZQ0KPiA+ ID4gY29tbWFuZHMgYXJlIGVmZmVjdGl2ZSBhbmQgYmVmb3JlIGdlbmVyYWwgd29yayBpcyBzdWJt aXR0ZWQgdG8gdGhlIEdQVS4NCj4gPiA+IFdlIG5lZWQgdG8gcG9sbCBhIG5ldyBwY29kZSBtYWls Ym94IGR1cmluZyBzdGFydHVwIHVudGlsIGl0IHJlcG9ydHMgdGhhdA0KPiA+ID4gdGhpcyBoYW5k c2hha2luZyBpcyBjb21wbGV0ZS4NCj4gPiA+IA0KPiA+ID4gVGhlIGJzcGVjIGRvZXNuJ3QgZ2l2 ZSBndWlkYW5jZSBvbiBob3cgbG9uZyB3ZSBtYXkgbmVlZCB0byB3YWl0IGZvciB0aGlzDQo+ID4g PiBoYW5kc2hha2luZyB0byBjb21wbGV0ZS4gIEZvciBub3csIGxldCdzIGp1c3Qgc2V0IGEgcmVh bGx5IGxvbmcgdGltZW91dDsNCj4gPiA+IGlmIHdlIHN0aWxsIGRvbid0IGdldCBhIGNvbXBsZXRp b24gc3RhdHVzIGJ5IHRoZSBlbmQgb2YgdGhhdCB0aW1lb3V0LA0KPiA+ID4gd2UnbGwganVzdCBj b250aW51ZSBvbiBhbmQgaG9wZSBmb3IgdGhlIGJlc3QuDQo+ID4gPiANCj4gPiA+IEJzcGVjOiA1 MjA2NQ0KPiA+ID4gQ2M6IENsaW50b24gVGF5bG9yIDwNCj4gPiA+IENsaW50b24uQS5UYXlsb3JA aW50ZWwuY29tDQo+ID4gPiANCj4gPiA+IA0KPiA+ID4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8DQo+ ID4gPiB2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbQ0KPiA+ID4gDQo+ID4gPiANCj4gPiA+ IENjOiBSYWRoYWtyaXNobmEgU3JpcGFkYSA8DQo+ID4gPiByYWRoYWtyaXNobmEuc3JpcGFkYUBp bnRlbC5jb20NCj4gPiA+IA0KPiA+ID4gDQo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBNYXR0IFJvcGVy IDwNCj4gPiA+IG1hdHRoZXcuZC5yb3BlckBpbnRlbC5jb20NCj4gPiA+IA0KPiA+ID4gDQo+ID4g PiBTaWduZWQtb2ZmLWJ5OiBMdWNhcyBEZSBNYXJjaGkgPA0KPiA+ID4gbHVjYXMuZGVtYXJjaGlA aW50ZWwuY29tDQo+ID4gPiANCj4gPiA+IA0KPiA+ID4gLS0tDQo+ID4gPiAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9kcnYuYyAgICAgICB8ICAzICsrKw0KPiA+ID4gIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfcmVnLmggICAgICAgfCAgMyArKysNCj4gPiA+ICBkcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9zaWRlYmFuZC5jIHwgMTUgKysrKysrKysrKysrKysrDQo+ID4gPiAgZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuaCB8ICAyICsrDQo+ID4gPiAgNCBmaWxlcyBj aGFuZ2VkLCAyMyBpbnNlcnRpb25zKCspDQo+ID4gPiANCj4gPiA+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9k cnYuYw0KPiA+ID4gaW5kZXggNWZkNWFmNGJjODU1Li41NDczYmZlOTEyNmMgMTAwNjQ0DQo+ID4g PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jDQo+ID4gPiArKysgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jDQo+ID4gPiBAQCAtODUsNiArODUsNyBAQA0KPiA+ ID4gICNpbmNsdWRlICJpbnRlbF9ndnQuaCINCj4gPiA+ICAjaW5jbHVkZSAiaW50ZWxfbWVtb3J5 X3JlZ2lvbi5oIg0KPiA+ID4gICNpbmNsdWRlICJpbnRlbF9wbS5oIg0KPiA+ID4gKyNpbmNsdWRl ICJpbnRlbF9zaWRlYmFuZC5oIg0KPiA+ID4gICNpbmNsdWRlICJ2bHZfc3VzcGVuZC5oIg0KPiA+ ID4gDQo+ID4gPiAgc3RhdGljIHN0cnVjdCBkcm1fZHJpdmVyIGRyaXZlcjsNCj4gPiA+IEBAIC03 MzcsNiArNzM4LDggQEAgc3RhdGljIGludCBpOTE1X2RyaXZlcl9od19wcm9iZShzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpDQo+ID4gPiAgCSAqLw0KPiA+ID4gIAlpbnRlbF9kcmFt X2RldGVjdChkZXZfcHJpdik7DQo+ID4gPiANCj4gPiA+ICsJaW50ZWxfcGNvZGVfaW5pdChkZXZf cHJpdik7DQo+ID4gPiArDQo+ID4gPiAgCWludGVsX2J3X2luaXRfaHcoZGV2X3ByaXYpOw0KPiA+ ID4gDQo+ID4gPiAgCXJldHVybiAwOw0KPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfcmVnLmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oDQo+ID4g PiBpbmRleCBhMGQzMWYzYmY2MzQuLjM3NjdiMzIxMjdkYSAxMDA2NDQNCj4gPiA+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmgNCj4gPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfcmVnLmgNCj4gPiA+IEBAIC05MjQ1LDYgKzkyNDUsOSBAQCBlbnVtIHsNCj4g PiA+ICAjZGVmaW5lICAgICBHRU45X1NBR1ZfRElTQUJMRQkJCTB4MA0KPiA+ID4gICNkZWZpbmUg ICAgIEdFTjlfU0FHVl9JU19ESVNBQkxFRAkJMHgxDQo+ID4gPiAgI2RlZmluZSAgICAgR0VOOV9T QUdWX0VOQUJMRQkJCTB4Mw0KPiA+ID4gKyNkZWZpbmUgICBERzFfUENPREVfU1RBVFVTCQkJMHg3 RQ0KPiA+ID4gKyNkZWZpbmUgICAgIERHMV9DSEVDS19VTkNPUkVfSU5JVF9TVEFUVVMJMHgwDQo+ ID4gPiArI2RlZmluZSAgICAgREcxX1VOQ09SRV9JTklUX0NPTVBMRVRFCQkweDENCj4gPiANCj4g PiBXaXRoIHMvREcxX0NIRUNLX1VOQ09SRV9JTklUX1NUQVRVUy9ERzFfQ0hFQ0tfVU5DT1JFX0lO SVRfU1RBVFVTX0NPTVBMRVRFIG9yIHNvbWV0aGluZyBzaW1pbGFyIHRoYXQgbWFrZXMgZWFzeSB0 byB1bmRlcnN0YW5kIHRoYXQgMHgxIGlzIHRoZSByZXNwb25zZQ0KPiA+IG9mIHRoZSBERzFfQ0hF Q0tfVU5DT1JFX0lOSVRfU1RBVFVTIHN1Yi1jb21tYW5kLg0KPiANCj4gY2hlY2tpbmcgYWxsIHRo ZSBvdGhlciB1c2VycyBvZiBza2xfcGNvZGVfcmVxdWVzdCgpIEkgZG9uJ3Qgc2VlIGENCj4gcGF0 dGVybiB0aGVyZS4gRXhhbXBsZXM6DQo+IA0KPiByZXQgPSBza2xfcGNvZGVfcmVxdWVzdChkZXZf cHJpdiwgU0tMX1BDT0RFX0NEQ0xLX0NPTlRST0wsDQo+ICAgICAgICAgICAgICAgICAgICAgICAg ICBTS0xfQ0RDTEtfUFJFUEFSRV9GT1JfQ0hBTkdFLCAgICAgDQo+ICAgICAgICAgICAgICAgICAg ICAgICAgICBTS0xfQ0RDTEtfUkVBRFlfRk9SX0NIQU5HRSwgICAgICAgDQo+ICAgICAgICAgICAg ICAgICAgICAgICAgICBTS0xfQ0RDTEtfUkVBRFlfRk9SX0NIQU5HRSwgMyk7ICAgDQo+IA0KPiBy ZXQgPSBza2xfcGNvZGVfcmVxdWVzdChkZXZfcHJpdiwgR0VOOV9QQ09ERV9TQUdWX0NPTlRST0ws ICAgICAgICAgICAgDQo+ICAgICAgICAgICAgICAgICAgICAgICAgICBHRU45X1NBR1ZfRElTQUJM RSwgICAgICAgICAgICAgICAgICAgICAgICAgICAgDQo+ICAgICAgICAgICAgICAgICAgICAgICAg ICBHRU45X1NBR1ZfSVNfRElTQUJMRUQsIEdFTjlfU0FHVl9JU19ESVNBQkxFRCwgDQo+ICAgICAg ICAgICAgICAgICAgICAgICAgICAxKTsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgDQo+IA0KPiBHaXZlbmcgdGhlIGN1cnJlbnQgdXNlcywgSSdkIHJhdGhlciByZW5h bWUgbGlrZToNCj4gDQo+ICsjZGVmaW5lICAgREcxX1BDT0RFX1NUQVRVUwkJCTB4N0UNCj4gKyNk ZWZpbmUgICAgIERHMV9VTkNPUkVfR0VUX0lOSVRfU1RBVFVTCQkweDANCj4gKyNkZWZpbmUgICAg IERHMV9VTkNPUkVfSU5JVF9TVEFUVVNfQ09NUExFVEUJMHgxDQo+IA0KPiANCj4gPiBSZXZpZXdl ZC1ieTogSm9zw6kgUm9iZXJ0byBkZSBTb3V6YSA8DQo+ID4gam9zZS5zb3V6YUBpbnRlbC5jb20N Cj4gPiA+DQo+IA0KPiBkb2VzIHRoYXQgc3RpbGwgc3RhbmRzIHdpdGggdGhlIHJlbmFtZSBhYm92 ZT8NCg0KTEdUTSwga2VlcCBpdCBwbGVhc2UuDQoNCj4gDQo+IHRoYW5rcw0KPiBMdWNhcyBEZSBN YXJjaGkNCj4gDQo+ID4gDQo+ID4gPiAgI2RlZmluZSBHRU4xMl9QQ09ERV9SRUFEX1NBR1ZfQkxP Q0tfVElNRV9VUwkweDIzDQo+ID4gPiAgI2RlZmluZSBHRU42X1BDT0RFX0RBVEEJCQkJX01NSU8o MHgxMzgxMjgpDQo+ID4gPiAgI2RlZmluZSAgIEdFTjZfUENPREVfRlJFUV9JQV9SQVRJT19TSElG VAk4DQo+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJh bmQuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3NpZGViYW5kLmMNCj4gPiA+IGluZGV4 IDkxNmNjZDFjMGU5Ni4uOGIwOTM1MjUyNDBkIDEwMDY0NA0KPiA+ID4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuYw0KPiA+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfc2lkZWJhbmQuYw0KPiA+ID4gQEAgLTU0MywzICs1NDMsMTggQEAgaW50IHNr bF9wY29kZV9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1LCB1MzIgbWJveCwg dTMyIHJlcXVlc3QsDQo+ID4gPiAgCXJldHVybiByZXQgPyByZXQgOiBzdGF0dXM7DQo+ID4gPiAg I3VuZGVmIENPTkQNCj4gPiA+ICB9DQo+ID4gPiArDQo+ID4gPiArdm9pZCBpbnRlbF9wY29kZV9p bml0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1KQ0KPiA+ID4gK3sNCj4gPiA+ICsJaW50 IHJldDsNCj4gPiA+ICsNCj4gPiA+ICsJaWYgKCFJU19ER0ZYKGk5MTUpKQ0KPiA+ID4gKwkJcmV0 dXJuOw0KPiA+ID4gKw0KPiA+ID4gKwlyZXQgPSBza2xfcGNvZGVfcmVxdWVzdChpOTE1LCBERzFf UENPREVfU1RBVFVTLA0KPiA+ID4gKwkJCQlERzFfQ0hFQ0tfVU5DT1JFX0lOSVRfU1RBVFVTLA0K PiA+ID4gKwkJCQlERzFfVU5DT1JFX0lOSVRfQ09NUExFVEUsDQo+ID4gPiArCQkJCURHMV9VTkNP UkVfSU5JVF9DT01QTEVURSwgNTApOw0KPiA+ID4gKwlpZiAocmV0KQ0KPiA+ID4gKwkJZHJtX2Vy cigmaTkxNS0+ZHJtLCAiUGNvZGUgZGlkIG5vdCByZXBvcnQgdW5jb3JlIGluaXRpYWxpemF0aW9u IGNvbXBsZXRpb24hXG4iKTsNCj4gPiA+ICt9DQo+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3NpZGViYW5kLmgNCj4gPiA+IGluZGV4IDdmYjk1NzQ1YTQ0NC4uMDk0YzdiMTljNWQ0IDEwMDY0 NA0KPiA+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuaA0KPiA+ ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuaA0KPiA+ID4gQEAg LTEzOCw0ICsxMzgsNiBAQCBpbnQgc2FuZHlicmlkZ2VfcGNvZGVfd3JpdGVfdGltZW91dChzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSwgdTMyIG1ib3gsDQo+ID4gPiAgaW50IHNrbF9wY29k ZV9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1LCB1MzIgbWJveCwgdTMyIHJl cXVlc3QsDQo+ID4gPiAgCQkgICAgICB1MzIgcmVwbHlfbWFzaywgdTMyIHJlcGx5LCBpbnQgdGlt ZW91dF9iYXNlX21zKTsNCj4gPiA+IA0KPiA+ID4gK3ZvaWQgaW50ZWxfcGNvZGVfaW5pdChzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSk7DQo+ID4gPiArDQo+ID4gPiAgI2VuZGlmIC8qIF9J TlRFTF9TSURFQkFORF9IICovDQo+ID4gPiANCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=