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 AE562C43334 for ; Mon, 4 Jul 2022 16:22:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9AB0710E979; Mon, 4 Jul 2022 16:16:18 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id C422310E046 for ; Mon, 4 Jul 2022 12:27:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656937661; x=1688473661; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=WT6FsmidFeXra5yufXP3ld2DOiW6pC2fTMaatZmDtx0=; 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Mon, 4 Jul 2022 05:27:37 -0700 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx610.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Mon, 4 Jul 2022 05:27:36 -0700 Received: from fmsmsx612.amr.corp.intel.com ([10.18.126.92]) by fmsmsx612.amr.corp.intel.com ([10.18.126.92]) with mapi id 15.01.2308.027; Mon, 4 Jul 2022 05:27:36 -0700 From: "Shankar, Uma" To: "Murthy, Arun R" , "intel-gfx@lists.freedesktop.org" Thread-Topic: [PATCH] drm/i915/dp: wait on timeout before retry Thread-Index: AQHYihUObgp6TCpwhUCQ9chkYp4RY61uTzQA///fV5A= Date: Mon, 4 Jul 2022 12:27:36 +0000 Message-ID: <248516b5125c4a109497bfe7ad506da4@intel.com> References: <20220627105939.657782-1-arun.r.murthy@intel.com> <20220704072352.1331682-1-arun.r.murthy@intel.com> In-Reply-To: <20220704072352.1331682-1-arun.r.murthy@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.500.17 x-originating-ip: [10.108.32.68] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH] drm/i915/dp: wait on timeout before retry 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: "tprevite@gmail.com" , "Nikula, Jani" , "Zanoni, Paulo R" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTXVydGh5LCBBcnVuIFIg PGFydW4uci5tdXJ0aHlAaW50ZWwuY29tPg0KPiBTZW50OiBNb25kYXksIEp1bHkgNCwgMjAyMiAx Mjo1NCBQTQ0KPiBUbzogaW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZw0KPiBDYzogdmls bGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb207IFphbm9uaSwgUGF1bG8gUiA8cGF1bG8uci56YW5v bmlAaW50ZWwuY29tPjsNCj4gdHByZXZpdGVAZ21haWwuY29tOyBTaGFua2FyLCBVbWEgPHVtYS5z aGFua2FyQGludGVsLmNvbT47IE5pa3VsYSwgSmFuaQ0KPiA8amFuaS5uaWt1bGFAaW50ZWwuY29t PjsgTXVydGh5LCBBcnVuIFIgPGFydW4uci5tdXJ0aHlAaW50ZWwuY29tPg0KPiBTdWJqZWN0OiBb UEFUQ0hdIGRybS9pOTE1L2RwOiB3YWl0IG9uIHRpbWVvdXQgYmVmb3JlIHJldHJ5DQo+IA0KPiBP biBsaW5rdHJhaW5pbmcgZXJyb3IvdGltZW91dCBiZWZvcmUgcmV0cnkgbmVlZCB0byB3YWl0IGZv ciA0MDB1c2VjIGFzIHBlciB0aGUgRFANCj4gQ1RTIHNwZWMxLjIgVW5kZXIgc2VjdGlvbiAyLjcu MiBBVVggVHJhbnNhY3Rpb24gUmVzcG9uc2UvUmVwbHkgVGltZS1vdXRzIEFVWA0KPiBSZXBsaWVy ICh0aGUgdVBhY2tldCBSWCkgbXVzdCBzdGFydCBzZW5kaW5nIHRoZSByZXBseSBiYWNrIHRvIHRo ZSBBVVggcmVxdWVzdGVyICh0aGUNCj4gdVBhY2tldCBUWCkgd2l0aGluIHRoZSByZXNwb25zZSBw ZXJpb2Qgb2YgMzAwzrxzLiBUaGUgdGltZXIgZm9yIFJlc3BvbnNlIFRpbWUtb3V0DQo+IHN0YXJ0 cyB0aWNraW5nIGFmdGVyIHRoZSB1UGFja2V0IFJYIGhhcyBmaW5pc2hlZCByZWNlaXZpbmcgdGhl IEFVWCBTVE9QIGNvbmRpdGlvbg0KPiB3aGljaCBlbmRzIHRoZSBBVVggUmVxdWVzdCB0cmFuc2Fj dGlvbi4NCj4gVGhlIHRpbWVyIGlzIHJlc2V0IGVpdGhlciB3aGVuIHRoZSBSZXNwb25zZSBUaW1l LW91dCBwZXJpb2QgaGFzIGVsYXBzZWQgb3Igd2hlbg0KPiB0aGUgdVBhY2tldCBSWCBoYXMgc3Rh cnRlZCB0byBzZW5kIHRoZSBBVVggU3luYyBwYXR0ZXJuICh3aGljaCBmb2xsb3dzDQo+IDEwIHRv IDE2IGFjdGl2ZSBwcmUtY2hhcmdlIHB1bHNlcykgZm9yIHRoZSBSZXBseSB0cmFuc2FjdGlvbi4g SWYgdGhlIHVQYWNrZXQgVFggZG9lcw0KPiBub3QgcmVjZWl2ZSBhIHJlcGx5IGZyb20gdGhlIHVQ YWNrZXQgUlggaXQgbXVzdCB3YWl0IGZvciBhIFJlcGx5IFRpbWUtb3V0IHBlcmlvZCBvZg0KPiA0 MDB1cyBiZWZvcmUgaW5pdGlhdGluZyB0aGUgbmV4dCBBVVggUmVxdWVzdCB0cmFuc2FjdGlvbi4g VGhlIHRpbWVyIGZvciB0aGUgUmVwbHkNCj4gVGltZS1vdXQgc3RhcnRzIHRpY2tpbmcgYWZ0ZXIg dGhlIHVQYWNrZXQgVFggaGFzIGZpbmlzaGVkIHNlbmRpbmcgdGhlIEFVWCBTVE9QDQo+IGNvbmRp dGlvbi4NCj4gDQo+IFRoZSBwYXRjaCB3aXRoIGNvbW1pdCA3NGViZjI5NGExZGQgKCJkcm0vaTkx NTogQWRkIGEgZGVsYXkgaW4gRGlzcGxheXBvcnQgQVVYDQo+IHRyYW5zYWN0aW9ucyBmb3IgY29t cGxpYW5jZSB0ZXN0aW5nIikgcmVtb3ZlcyB0aGlzIGRlbGF5IG1lbnRpb25pbmcgdGhlIGhhcmR3 YXJlDQo+IGFscmVhZHkgbWVldHMgdGhpcyByZXF1aXJlbWVudCwgYnV0IGFzIHBlciB0aGUgc3Bl YyB0aGUgZGVsYXkgbWVudGlvbmVkIGluIHRoZSBzcGVjDQo+IHNwZWNpZmllcyBob3cgbG9uZyB0 byB3YWl0IGZvciB0aGUgcmVjZWl2ZXIgcmVzcG9uc2UgYmVmb3JlIHRpbWVvdXQuIFNvIHRoZSBk ZWxheQ0KPiBoZXJlIHRvIHdhaXQgZm9yIHRpbWVvdXQgYW5kIG5vdCBhIGRlbGF5IGFmdGVyIHRp bWVvdXQuIFRoZSBEUCBzcGVjIHNwZWNpZmllcyBhIGRlbGF5DQo+IGFmdGVyIHRpbWVvdXQgYW5k IGhlbmNlIGFkZGluZyB0aGlzIGRlbGF5Lg0KPiANCj4gdjI6IGZpeGVkIGNoZWNrcGF0Y2ggd2Fy bmluZyBhbmQgZXJyb3INCj4gdjM6IHVzZWQgcHJvcGVyIGluZGVudGF0aW9uDQo+IHY0OiBhZGRl ZCBEUCBDRUEgMS4yIHNwZWMgZGV0YWlscyBpbiBwYXRjaCBjb21taXQgbXNnDQoNCkxvb2tzIEdv b2QgdG8gbWUuDQpSZXZpZXdlZC1ieTogVW1hIFNoYW5rYXIgPHVtYS5zaGFua2FyQGludGVsLmNv bT4NCg0KPiBTaWduZWQtb2ZmLWJ5OiBBcnVuIFIgTXVydGh5IDxhcnVuLnIubXVydGh5QGludGVs LmNvbT4NCj4gQWNrZWQtYnk6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+DQo+ IC0tLQ0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcF9hdXguYyB8IDgg KystLS0tLS0NCj4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDYgZGVsZXRpb25z KC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRl bF9kcF9hdXguYw0KPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHBfYXV4 LmMNCj4gaW5kZXggMmJjMTE5Mzc0NTU1Li43MjJjOWYyMTA2OTAgMTAwNjQ0DQo+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHBfYXV4LmMNCj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcF9hdXguYw0KPiBAQCAtMjg2LDEzICsyODYs OSBAQCBpbnRlbF9kcF9hdXhfeGZlcihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwLA0KPiAgCQkJ LyoNCj4gIAkJCSAqIERQIENUUyAxLjIgQ29yZSBSZXYgMS4xLCA0LjIuMS4xICYgNC4yLjEuMg0K PiAgCQkJICogICA0MDB1cyBkZWxheSByZXF1aXJlZCBmb3IgZXJyb3JzIGFuZCB0aW1lb3V0cw0K PiAtCQkJICogICBUaW1lb3V0IGVycm9ycyBmcm9tIHRoZSBIVyBhbHJlYWR5IG1lZXQgdGhpcw0K PiAtCQkJICogICByZXF1aXJlbWVudCBzbyBza2lwIHRvIG5leHQgaXRlcmF0aW9uDQo+ICAJCQkg Ki8NCj4gLQkJCWlmIChzdGF0dXMgJiBEUF9BVVhfQ0hfQ1RMX1RJTUVfT1VUX0VSUk9SKQ0KPiAt CQkJCWNvbnRpbnVlOw0KPiAtDQo+IC0JCQlpZiAoc3RhdHVzICYgRFBfQVVYX0NIX0NUTF9SRUNF SVZFX0VSUk9SKSB7DQo+ICsJCQlpZiAoc3RhdHVzICYgKERQX0FVWF9DSF9DVExfUkVDRUlWRV9F UlJPUiB8DQo+ICsJCQkJICAgICAgRFBfQVVYX0NIX0NUTF9USU1FX09VVF9FUlJPUikpIHsNCj4g IAkJCQl1c2xlZXBfcmFuZ2UoNDAwLCA1MDApOw0KPiAgCQkJCWNvbnRpbnVlOw0KPiAgCQkJfQ0K PiAtLQ0KPiAyLjI1LjENCg0K