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=-10.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 86102C433E0 for ; Mon, 3 Aug 2020 23:24:22 +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 943552076C for ; Mon, 3 Aug 2020 23:24:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 943552076C 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 E19246E372; Mon, 3 Aug 2020 23:24:21 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 79FC76E372 for ; Mon, 3 Aug 2020 23:24:20 +0000 (UTC) IronPort-SDR: rbq5z25jZeC9ZCD7scQiL48eVApG0Z2zJpOzBJdC/t0IOPa38f1L6IeRh7J7VJjTv08iP+1oID YQnbCmm9oaDA== X-IronPort-AV: E=McAfee;i="6000,8403,9702"; a="131789943" X-IronPort-AV: E=Sophos;i="5.75,431,1589266800"; d="scan'208";a="131789943" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Aug 2020 16:24:19 -0700 IronPort-SDR: QfddspapvqKuJi60zcxT+0HCjWYDT9tPXrQ5MA9tRTV0HVY20fA90ARBboUNjbb1A41lP8VBR6 iH7FQsvUkcRA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,431,1589266800"; d="scan'208";a="315040728" Received: from orsmsx606.amr.corp.intel.com ([10.22.229.19]) by fmsmga004.fm.intel.com with ESMTP; 03 Aug 2020 16:24:19 -0700 Received: from orsmsx606.amr.corp.intel.com (10.22.229.19) by ORSMSX606.amr.corp.intel.com (10.22.229.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Mon, 3 Aug 2020 16:24:19 -0700 Received: from orsmsx104.amr.corp.intel.com (10.22.225.131) by orsmsx606.amr.corp.intel.com (10.22.229.19) 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, 3 Aug 2020 16:24:19 -0700 Received: from orsmsx151.amr.corp.intel.com ([169.254.7.123]) by ORSMSX104.amr.corp.intel.com ([169.254.4.15]) with mapi id 14.03.0439.000; Mon, 3 Aug 2020 16:24:18 -0700 From: "Souza, Jose" To: "intel-gfx@lists.freedesktop.org" , "De Marchi, Lucas" Thread-Topic: [Intel-gfx] [PATCH v5 05/22] drm/i915/dg1: Wait for pcode/uncore handshake at startup Thread-Index: AQHWYgLxMAbu3Zz8SEqUR6oBJrnJ8aknjF0A Date: Mon, 3 Aug 2020 23:24:17 +0000 Message-ID: <791224e3effd491cc3276cbe55a2958dafdfe3fd.camel@intel.com> References: <20200724213918.27424-1-lucas.demarchi@intel.com> <20200724213918.27424-6-lucas.demarchi@intel.com> In-Reply-To: <20200724213918.27424-6-lucas.demarchi@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.251.135.198] Content-ID: <958CC0E891077545AEB6890CAA5EA13F@intel.com> 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: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" T24gRnJpLCAyMDIwLTA3LTI0IGF0IDE0OjM5IC0wNzAwLCBMdWNhcyBEZSBNYXJjaGkgd3JvdGU6 DQo+IEZyb206IE1hdHQgUm9wZXIgPA0KPiBtYXR0aGV3LmQucm9wZXJAaW50ZWwuY29tDQo+ID4N Cj4gDQo+IERHMSBkb2VzIHNvbWUgYWRkaXRpb25hbCBwY29kZS91bmNvcmUgaGFuZHNoYWtpbmcg YXQNCj4gYm9vdCB0aW1lOyB0aGlzIGhhbmRzaGFraW5nIG11c3QgY29tcGxldGUgYmVmb3JlIHZh cmlvdXMgb3RoZXIgcGNvZGUNCj4gY29tbWFuZHMgYXJlIGVmZmVjdGl2ZSBhbmQgYmVmb3JlIGdl bmVyYWwgd29yayBpcyBzdWJtaXR0ZWQgdG8gdGhlIEdQVS4NCj4gV2UgbmVlZCB0byBwb2xsIGEg bmV3IHBjb2RlIG1haWxib3ggZHVyaW5nIHN0YXJ0dXAgdW50aWwgaXQgcmVwb3J0cyB0aGF0DQo+ IHRoaXMgaGFuZHNoYWtpbmcgaXMgY29tcGxldGUuDQo+IA0KPiBUaGUgYnNwZWMgZG9lc24ndCBn aXZlIGd1aWRhbmNlIG9uIGhvdyBsb25nIHdlIG1heSBuZWVkIHRvIHdhaXQgZm9yIHRoaXMNCj4g aGFuZHNoYWtpbmcgdG8gY29tcGxldGUuICBGb3Igbm93LCBsZXQncyBqdXN0IHNldCBhIHJlYWxs eSBsb25nIHRpbWVvdXQ7DQo+IGlmIHdlIHN0aWxsIGRvbid0IGdldCBhIGNvbXBsZXRpb24gc3Rh dHVzIGJ5IHRoZSBlbmQgb2YgdGhhdCB0aW1lb3V0LA0KPiB3ZSdsbCBqdXN0IGNvbnRpbnVlIG9u IGFuZCBob3BlIGZvciB0aGUgYmVzdC4NCj4gDQo+IEJzcGVjOiA1MjA2NQ0KPiBDYzogQ2xpbnRv biBUYXlsb3IgPA0KPiBDbGludG9uLkEuVGF5bG9yQGludGVsLmNvbQ0KPiA+DQo+IENjOiBWaWxs ZSBTeXJqw6Rsw6QgPA0KPiB2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbQ0KPiA+DQo+IENj OiBSYWRoYWtyaXNobmEgU3JpcGFkYSA8DQo+IHJhZGhha3Jpc2huYS5zcmlwYWRhQGludGVsLmNv bQ0KPiA+DQo+IFNpZ25lZC1vZmYtYnk6IE1hdHQgUm9wZXIgPA0KPiBtYXR0aGV3LmQucm9wZXJA aW50ZWwuY29tDQo+ID4NCj4gU2lnbmVkLW9mZi1ieTogTHVjYXMgRGUgTWFyY2hpIDwNCj4gbHVj YXMuZGVtYXJjaGlAaW50ZWwuY29tDQo+ID4NCj4gLS0tDQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2Rydi5jICAgICAgIHwgIDMgKysrDQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X3JlZy5oICAgICAgIHwgIDMgKysrDQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zaWRl YmFuZC5jIHwgMTUgKysrKysrKysrKysrKysrDQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9zaWRlYmFuZC5oIHwgIDIgKysNCj4gIDQgZmlsZXMgY2hhbmdlZCwgMjMgaW5zZXJ0aW9ucygr KQ0KPiANCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jDQo+IGluZGV4IDVmZDVhZjRiYzg1NS4uNTQ3 M2JmZTkxMjZjIDEwMDY0NA0KPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5j DQo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMNCj4gQEAgLTg1LDYgKzg1 LDcgQEANCj4gICNpbmNsdWRlICJpbnRlbF9ndnQuaCINCj4gICNpbmNsdWRlICJpbnRlbF9tZW1v cnlfcmVnaW9uLmgiDQo+ICAjaW5jbHVkZSAiaW50ZWxfcG0uaCINCj4gKyNpbmNsdWRlICJpbnRl bF9zaWRlYmFuZC5oIg0KPiAgI2luY2x1ZGUgInZsdl9zdXNwZW5kLmgiDQo+ICANCj4gIHN0YXRp YyBzdHJ1Y3QgZHJtX2RyaXZlciBkcml2ZXI7DQo+IEBAIC03MzcsNiArNzM4LDggQEAgc3RhdGlj IGludCBpOTE1X2RyaXZlcl9od19wcm9iZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYpDQo+ICAJICovDQo+ICAJaW50ZWxfZHJhbV9kZXRlY3QoZGV2X3ByaXYpOw0KPiAgDQo+ICsJ aW50ZWxfcGNvZGVfaW5pdChkZXZfcHJpdik7DQo+ICsNCj4gIAlpbnRlbF9id19pbml0X2h3KGRl dl9wcml2KTsNCj4gIA0KPiAgCXJldHVybiAwOw0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9yZWcuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmgNCj4g aW5kZXggYTBkMzFmM2JmNjM0Li4zNzY3YjMyMTI3ZGEgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfcmVnLmgNCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9yZWcuaA0KPiBAQCAtOTI0NSw2ICs5MjQ1LDkgQEAgZW51bSB7DQo+ICAjZGVmaW5lICAgICBH RU45X1NBR1ZfRElTQUJMRQkJCTB4MA0KPiAgI2RlZmluZSAgICAgR0VOOV9TQUdWX0lTX0RJU0FC TEVECQkweDENCj4gICNkZWZpbmUgICAgIEdFTjlfU0FHVl9FTkFCTEUJCQkweDMNCj4gKyNkZWZp bmUgICBERzFfUENPREVfU1RBVFVTCQkJMHg3RQ0KPiArI2RlZmluZSAgICAgREcxX0NIRUNLX1VO Q09SRV9JTklUX1NUQVRVUwkweDANCj4gKyNkZWZpbmUgICAgIERHMV9VTkNPUkVfSU5JVF9DT01Q TEVURQkJMHgxDQoNCldpdGggcy9ERzFfQ0hFQ0tfVU5DT1JFX0lOSVRfU1RBVFVTL0RHMV9DSEVD S19VTkNPUkVfSU5JVF9TVEFUVVNfQ09NUExFVEUgb3Igc29tZXRoaW5nIHNpbWlsYXIgdGhhdCBt YWtlcyBlYXN5IHRvIHVuZGVyc3RhbmQgdGhhdCAweDEgaXMgdGhlIHJlc3BvbnNlDQpvZiB0aGUg REcxX0NIRUNLX1VOQ09SRV9JTklUX1NUQVRVUyBzdWItY29tbWFuZC4NCg0KUmV2aWV3ZWQtYnk6 IEpvc8OpIFJvYmVydG8gZGUgU291emEgPGpvc2Uuc291emFAaW50ZWwuY29tPg0KDQoNCj4gICNk ZWZpbmUgR0VOMTJfUENPREVfUkVBRF9TQUdWX0JMT0NLX1RJTUVfVVMJMHgyMw0KPiAgI2RlZmlu ZSBHRU42X1BDT0RFX0RBVEEJCQkJX01NSU8oMHgxMzgxMjgpDQo+ICAjZGVmaW5lICAgR0VONl9Q Q09ERV9GUkVRX0lBX1JBVElPX1NISUZUCTgNCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3NpZGViYW5kLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zaWRl YmFuZC5jDQo+IGluZGV4IDkxNmNjZDFjMGU5Ni4uOGIwOTM1MjUyNDBkIDEwMDY0NA0KPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zaWRlYmFuZC5jDQo+ICsrKyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX3NpZGViYW5kLmMNCj4gQEAgLTU0MywzICs1NDMsMTggQEAgaW50 IHNrbF9wY29kZV9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1LCB1MzIgbWJv eCwgdTMyIHJlcXVlc3QsDQo+ICAJcmV0dXJuIHJldCA/IHJldCA6IHN0YXR1czsNCj4gICN1bmRl ZiBDT05EDQo+ICB9DQo+ICsNCj4gK3ZvaWQgaW50ZWxfcGNvZGVfaW5pdChzdHJ1Y3QgZHJtX2k5 MTVfcHJpdmF0ZSAqaTkxNSkNCj4gK3sNCj4gKwlpbnQgcmV0Ow0KPiArDQo+ICsJaWYgKCFJU19E R0ZYKGk5MTUpKQ0KPiArCQlyZXR1cm47DQo+ICsNCj4gKwlyZXQgPSBza2xfcGNvZGVfcmVxdWVz dChpOTE1LCBERzFfUENPREVfU1RBVFVTLA0KPiArCQkJCURHMV9DSEVDS19VTkNPUkVfSU5JVF9T VEFUVVMsDQo+ICsJCQkJREcxX1VOQ09SRV9JTklUX0NPTVBMRVRFLA0KPiArCQkJCURHMV9VTkNP UkVfSU5JVF9DT01QTEVURSwgNTApOw0KPiArCWlmIChyZXQpDQo+ICsJCWRybV9lcnIoJmk5MTUt PmRybSwgIlBjb2RlIGRpZCBub3QgcmVwb3J0IHVuY29yZSBpbml0aWFsaXphdGlvbiBjb21wbGV0 aW9uIVxuIik7DQo+ICt9DQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9zaWRlYmFuZC5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuaA0KPiBp bmRleCA3ZmI5NTc0NWE0NDQuLjA5NGM3YjE5YzVkNCAxMDA2NDQNCj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfc2lkZWJhbmQuaA0KPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9zaWRlYmFuZC5oDQo+IEBAIC0xMzgsNCArMTM4LDYgQEAgaW50IHNhbmR5YnJpZGdl X3Bjb2RlX3dyaXRlX3RpbWVvdXQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUsIHUzMiBt Ym94LA0KPiAgaW50IHNrbF9wY29kZV9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpp OTE1LCB1MzIgbWJveCwgdTMyIHJlcXVlc3QsDQo+ICAJCSAgICAgIHUzMiByZXBseV9tYXNrLCB1 MzIgcmVwbHksIGludCB0aW1lb3V0X2Jhc2VfbXMpOw0KPiAgDQo+ICt2b2lkIGludGVsX3Bjb2Rl X2luaXQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUpOw0KPiArDQo+ICAjZW5kaWYgLyog X0lOVEVMX1NJREVCQU5EX0ggKi8NCj4gDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK