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=-15.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable 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 73475C433ED for ; Wed, 19 May 2021 04:55:15 +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 2C893611AE for ; Wed, 19 May 2021 04:55:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C893611AE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4DF896E187; Wed, 19 May 2021 04:55:14 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [1.203.163.81]) by gabe.freedesktop.org (Postfix) with ESMTP id 6E97B6E187 for ; Wed, 19 May 2021 04:55:09 +0000 (UTC) X-UUID: 98c88d82fd344b57a50108e11aaa34bd-20210519 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=4SNfkbRqzDZ+P6okN6fxqL61nvCWq7VOzTHBHYbyx0k=; b=XD5huvevJ6BzKlh8M2cITcXAy+hFDaKRgKqcsr3V8ZBoIEi+xPdl56i/P9HncxYKY2usxoKxzTA9R/NW2ou6iUaZSih70kSTOXcfm5TIng0CKIiRG4SWgZDiadLk6oQfLBG6dFAnEYvw+L1ZyVG+xo+6l67p0yVW9zLHkoUd020=; X-UUID: 98c88d82fd344b57a50108e11aaa34bd-20210519 Received: from mtkcas35.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1186167528; Wed, 19 May 2021 11:54:53 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 19 May 2021 11:54:47 +0800 Received: from [10.16.6.141] (10.16.6.141) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 19 May 2021 11:54:46 +0800 Message-ID: <1621396486.18307.22.camel@mszsdaap41> Subject: Re: [PATCH 3/4] drm/mediatek: fine tune the dsi panel's power sequence From: Jitao Shi To: Chun-Kuang Hu Date: Wed, 19 May 2021 11:54:46 +0800 In-Reply-To: References: <20210420132614.150242-1-jitao.shi@mediatek.com> <20210420132614.150242-3-jitao.shi@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: F8D1A7938E471559E34A2AA68D23CC1055848FF057CA6C0BB5272F2AB98E3E3F2000:8 X-MTK: N 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: Mark Rutland , DTML , srv_heupstream , David Airlie , Huijuan Xie =?UTF-8?Q?=28=E8=B0=A2=E6=85=A7=E5=A8=9F=29?= , "stonea168@163.com" , linux-kernel , DRI Development , Cawa Cheng =?UTF-8?Q?=28=E9=84=AD=E6=9B=84=E7=A6=A7=29?= , Rex-BC Chen =?UTF-8?Q?=28=E9=99=B3=E6=9F=8F=E8=BE=B0=29?= , Rob Herring , "moderated list:ARM/Mediatek SoC support" , Matthias Brugger , Yingjoe Chen =?UTF-8?Q?=28=E9=99=B3=E8=8B=B1=E6=B4=B2=29?= , Eddie Huang =?UTF-8?Q?=28=E9=BB=83=E6=99=BA=E5=82=91=29?= , Linux ARM Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gU2F0LCAyMDIxLTA0LTI0IGF0IDAwOjM2ICswODAwLCBDaHVuLUt1YW5nIEh1IHdyb3RlOg0K PiBIaSwgSml0YW86DQo+IA0KPiBKaXRhbyBTaGkgPGppdGFvLnNoaUBtZWRpYXRlay5jb20+IOaW vCAyMDIx5bm0NOaciDIw5pelIOmAseS6jCDkuIvljYg5OjI25a+r6YGT77yaDQo+ID4NCj4gPiBB ZGQgdGhlIGRybV9wYW5lbF9wcmVwYXJlX3Bvd2VyIGFuZCBkcm1fcGFuZWxfdW5wcmVwYXJlX3Bv d2VyIGNvbnRyb2wuDQo+ID4gVHVybiBvbiBwYW5lbCBwb3dlcihkcm1fcGFuZWxfcHJlcGFyZV9w b3dlcikgYW5kIGNvbnRyb2wgYmVmb3JlIGRzaQ0KPiA+IGVuYWJsZS4gQW5kIHRoZW4gZHNpIGVu YWJsZSwgc2VuZCBkY3MgY21kIGluIGRybV9wYW5lbF9wcmVwYXJlLCBsYXN0DQo+ID4gdHVybiBv biBiYWNrbGlnaHQuDQo+IA0KPiBQbGVhc2UgZGVzY3JpYmUgV0hZIGRvIHlvdSBuZWVkIHRoaXMg cGF0Y2g/IEZpeCBhbnkgYnVnPw0KDQpNb3N0IHBhbmVscywgaGF2ZSBmaXZlIHN0ZXBzIHdoZW4g cG93ZXJvbi4NCg0KMS4gdHVybiBvbiBkc2kgc2lnbmFsIHRvIExQMTEgICAtLT4gZHNpIGhvc3Qn cyBhY3Rpb24NCjIuIHR1cm4gb24gdGhlIHBvd2VyIHN1cHBsaWVzLCAgLS0+IHBhbmVsJ3MgYWN0 aW9uDQozLiBzZW5kIHRoZSBEQ1MgIGNtZCB0byBwYW5lbCAgIC0tPiBwYW5lbCdzIGFjdGlvbg0K NC4gc3RhcnQgc2VuZCB2aWRlbyBzdHJlYW0gICAgICAtLT4gZHNpIGhvc3QncyBhY3Rpb24NCjUu IHR1cm4gb24gYmFja2xpZ2h0LiAgICAgICAgICAgLS0+IHBhbmVsJ3MgYWN0aW9uDQoNCndlIHB1 dCAidHVybiBvbiB0aGUgcG93ZXIgc3VwcGxpZXMiIGFuZCAic2VuZCB0aGUgRENTICBjbWQgdG8g cGFuZWwiIGluDQpwYW5lbF9wcmVwYXJlLiBBbmQgInR1cm4gb24gYmFja2xpZ2h0IiBpbiBwYW5l bF9lbmFibGUuDQoNCkJ1dCBzb21lIG90aGVyIHBhbmVscyBoYXMgYSBzcGVjaWFsIHBvd2Vyb24g c2VxdWVuY2UgYXMgdGhlIGZvbGxvd2luZy4NCg0KMS4gdHVybiBvbiB0aGUgcG93ZXIgc3VwcGxp ZXMsICAtLT4gcGFuZWwncyBhY3Rpb24NCjIuIHR1cm4gb24gZHNpIHNpZ25hbCB0byBMUDExICAg LS0+IGRzaSBob3N0J3MgYWN0aW9uDQozLiBzZW5kIHRoZSBEQ1MgIGNtZCB0byBwYW5lbCAgIC0t PiBwYW5lbCdzIGFjdGlvbg0KNC4gc3RhcnQgc2VuZCB2aWRlbyBzdHJlYW0gICAgICAtLT4gZHNp IGhvc3QncyBhY3Rpb24NCjUuIHR1cm4gb24gYmFja2xpZ2h0LiAgICAgICAgICAgLS0+IHBhbmVs J3MgYWN0aW9uDQoNCnBhbmVsJ3MgYWN0aW9ucyBhcmUgZGl2aWRlZCBpbnRvIHRocmVlIHBhcnRz Lg0KDQpTbyBJIGFkZCBhIG5ldyBhcGkgImRybV9wYW5lbF9wcmVwYXJlX3Bvd2VyL3JtX3BhbmVs X3VucHJlcGFyZV9wb3dlciIgdG8NCmNvbnRyb2wgdGhlIHNlcXVlbmNlLg0KDQoNCkJlc3QgUmVn YXJkcw0KSml0YW8NCg0KPiANCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IEppdGFvIFNoaSA8aml0 YW8uc2hpQG1lZGlhdGVrLmNvbT4NCj4gPiAtLS0NCj4gPiAgZHJpdmVycy9ncHUvZHJtL21lZGlh dGVrL210a19kc2kuYyB8IDEyICsrKysrKysrKystLQ0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgMTAg aW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkNCj4gPg0KPiA+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2RzaS5jIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVr L210a19kc2kuYw0KPiA+IGluZGV4IGExZmYxNTJlZjQ2OC4uNDU1ZmU1ODJjNmI1IDEwMDY0NA0K PiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHNpLmMNCj4gPiArKysgYi9k cml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2RzaS5jDQo+ID4gQEAgLTYxNSwxMCArNjE1LDEz IEBAIHN0YXRpYyBpbnQgbXRrX2RzaV9wb3dlcm9uKHN0cnVjdCBtdGtfZHNpICpkc2kpDQo+ID4g ICAgICAgICBkc2ktPmRhdGFfcmF0ZSA9IERJVl9ST1VORF9VUF9VTEwoZHNpLT52bS5waXhlbGNs b2NrICogYml0X3Blcl9waXhlbCwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICBkc2ktPmxhbmVzKTsNCj4gPg0KPiA+ICsgICAgICAgaWYgKHBhbmVsX2JyaWRn ZV9wcmVwYXJlX3Bvd2VyKGRzaS0+bmV4dF9icmlkZ2UpKQ0KPiANCj4gcmV0ID0gcGFuZWxfYnJp ZGdlX3ByZXBhcmVfcG93ZXIoZHNpLT5uZXh0X2JyaWRnZSk7DQo+IGlmIChyZXQpDQo+IA0KPiA+ ICsgICAgICAgICAgICAgICBEUk1fSU5GTygiY2FuJ3QgcHJlcGFyZSBwb3dlciB0aGUgcGFuZWxc biIpOw0KPiANCj4gSSB0aGluayB5b3Ugc2hvdWxkIGdvdG8gZXJyX3JlZmNvdW50Ow0KDQpUaGFu a3MgZm9yIHlvdXIgcmV2aWV3LiBJJ2xsIGZpeCBpdCBuZXh0IHBhdGNoLg0KDQo+IA0KPiA+ICsN Cj4gPiAgICAgICAgIHJldCA9IGNsa19zZXRfcmF0ZShkc2ktPmhzX2NsaywgZHNpLT5kYXRhX3Jh dGUpOw0KPiA+ICAgICAgICAgaWYgKHJldCA8IDApIHsNCj4gPiAgICAgICAgICAgICAgICAgZGV2 X2VycihkZXYsICJGYWlsZWQgdG8gc2V0IGRhdGEgcmF0ZTogJWRcbiIsIHJldCk7DQo+ID4gLSAg ICAgICAgICAgICAgIGdvdG8gZXJyX3JlZmNvdW50Ow0KPiA+ICsgICAgICAgICAgICAgICBnb3Rv IGVycl9wcmVwYXJlX3Bvd2VyOw0KPiA+ICAgICAgICAgfQ0KPiA+DQo+ID4gICAgICAgICBwaHlf cG93ZXJfb24oZHNpLT5waHkpOw0KPiA+IEBAIC02NjEsNyArNjY0LDkgQEAgc3RhdGljIGludCBt dGtfZHNpX3Bvd2Vyb24oc3RydWN0IG10a19kc2kgKmRzaSkNCj4gPiAgICAgICAgIGNsa19kaXNh YmxlX3VucHJlcGFyZShkc2ktPmVuZ2luZV9jbGspOw0KPiA+ICBlcnJfcGh5X3Bvd2VyX29mZjoN Cj4gPiAgICAgICAgIHBoeV9wb3dlcl9vZmYoZHNpLT5waHkpOw0KPiA+IC1lcnJfcmVmY291bnQ6 DQo+ID4gK2Vycl9wcmVwYXJlX3Bvd2VyOg0KPiA+ICsgICAgICAgaWYgKHBhbmVsX2JyaWRnZV91 bnByZXBhcmVfcG93ZXIoZHNpLT5uZXh0X2JyaWRnZSkpDQo+IA0KPiByZXQgPSBwYW5lbF9icmlk Z2VfdW5wcmVwYXJlX3Bvd2VyKGRzaS0+bmV4dF9icmlkZ2UpOw0KPiANCj4gPiArICAgICAgICAg ICAgICAgRFJNX0lORk8oIkNhbid0IHVucHJlcGFyZSBwb3dlciB0aGUgcGFuZWxcbiIpOw0KPiA+ ICAgICAgICAgZHNpLT5yZWZjb3VudC0tOw0KPiA+ICAgICAgICAgcmV0dXJuIHJldDsNCj4gPiAg fQ0KPiA+IEBAIC02OTQsNiArNjk5LDkgQEAgc3RhdGljIHZvaWQgbXRrX2RzaV9wb3dlcm9mZihz dHJ1Y3QgbXRrX2RzaSAqZHNpKQ0KPiA+ICAgICAgICAgY2xrX2Rpc2FibGVfdW5wcmVwYXJlKGRz aS0+ZGlnaXRhbF9jbGspOw0KPiA+DQo+ID4gICAgICAgICBwaHlfcG93ZXJfb2ZmKGRzaS0+cGh5 KTsNCj4gPiArDQo+ID4gKyAgICAgICBpZiAocGFuZWxfYnJpZGdlX3VucHJlcGFyZV9wb3dlcihk c2ktPm5leHRfYnJpZGdlKSkNCj4gDQo+IHJldCA9IHBhbmVsX2JyaWRnZV91bnByZXBhcmVfcG93 ZXIoZHNpLT5uZXh0X2JyaWRnZSk7DQo+IA0KPiA+ICsgICAgICAgICAgICAgICBEUk1fSU5GTygi Q2FuJ3QgdW5wcmVwYXJlIHBvd2VyIHRoZSBwYW5lbFxuIik7DQo+ID4gIH0NCj4gPg0KPiA+ICBz dGF0aWMgdm9pZCBtdGtfb3V0cHV0X2RzaV9lbmFibGUoc3RydWN0IG10a19kc2kgKmRzaSkNCj4g PiAtLQ0KPiA+IDIuMjUuMQ0KPiA+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fDQo+ID4gZHJpLWRldmVsIG1haWxpbmcgbGlzdA0KPiA+IGRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcNCj4gPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA0KDQo=