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=-19.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,UNWANTED_LANGUAGE_BODY,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 63027C433ED for ; Wed, 19 May 2021 05:31:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 442A160FF0 for ; Wed, 19 May 2021 05:31:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231880AbhESFdF (ORCPT ); Wed, 19 May 2021 01:33:05 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:47909 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S239653AbhESFck (ORCPT ); Wed, 19 May 2021 01:32:40 -0400 X-UUID: 294fa27d168740cfa5356bc62f4d1256-20210519 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=R77Q1fQW/odTmnYvAyiJFw4Pabof7f591ESN1e7RqC4=; b=Nkv2IH+00T7LnZXW05A/HuORHiBBsUtDzG+8p/stQU8UnC8UMJRofokaKzOCed0qBF9dtL5Zr8GDd1HhINgQeTcR928KNsj3PS6qqyfEJSjugVktSWPiqNK2y9IsbXcG4TkyLUBvXeVznThEe2EDENAJGL68TjnfHrJKAKg9tlc=; X-UUID: 294fa27d168740cfa5356bc62f4d1256-20210519 Received: from mtkcas35.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 345906070; Wed, 19 May 2021 13:31:17 +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 13:31:14 +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 13:31:13 +0800 Message-ID: <1621402273.10680.0.camel@mszsdaap41> Subject: Re: [PATCH 4/4] drm/mediatek: add dsi module reset driver From: Jitao Shi To: Chun-Kuang Hu CC: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , DRI Development , linux-kernel , DTML , srv_heupstream , Huijuan Xie =?UTF-8?Q?=28=E8=B0=A2=E6=85=A7=E5=A8=9F=29?= , "stonea168@163.com" , 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?= , "moderated list:ARM/Mediatek SoC support" , 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 Date: Wed, 19 May 2021 13:31:13 +0800 In-Reply-To: References: <20210420132614.150242-1-jitao.shi@mediatek.com> <20210420132614.150242-4-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: 86D50871892250EBFA58D265CE83AD217ED8423C9374DC154FC2BF45A4E07E942000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org T24gU2F0LCAyMDIxLTA0LTI0IGF0IDA3OjUwICswODAwLCBDaHVuLUt1YW5nIEh1IHdyb3RlOg0K PiBIaSwgSml0YW86DQo+IA0KPiBKaXRhbyBTaGkgPGppdGFvLnNoaUBtZWRpYXRlay5jb20+IOaW vCAyMDIx5bm0NOaciDIw5pelIOmAseS6jCDkuIvljYg5OjI25a+r6YGT77yaDQo+ID4NCj4gPiBS ZXNldCBkc2kgSFcgdG8gZGVmYXVsdCB3aGVuIHBvd2VyIG9uLiBQcmV2ZW50IHRoZSBzZXR0aW5n IGRpZmZlcmV0DQo+ID4gYmV0d2VlbiBib290bG9hZGVyIGFuZCBrZXJuZWwuDQo+ID4NCj4gPiBT aWduZWQtb2ZmLWJ5OiBKaXRhbyBTaGkgPGppdGFvLnNoaUBtZWRpYXRlay5jb20+DQo+ID4gLS0t DQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHNpLmMgfCAzNiArKysrKysrKysr KysrKysrKysrKysrKysrKysrKy0NCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDM1IGluc2VydGlvbnMo KyksIDEgZGVsZXRpb24oLSkNCj4gPg0KPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v bWVkaWF0ZWsvbXRrX2RzaS5jIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kc2kuYw0K PiA+IGluZGV4IDQ1NWZlNTgyYzZiNS4uMTEzNDM4ZGRkNGNjIDEwMDY0NA0KPiA+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHNpLmMNCj4gPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vbWVkaWF0ZWsvbXRrX2RzaS5jDQo+ID4gQEAgLTcsMTAgKzcsMTIgQEANCj4gPiAgI2luY2x1 ZGUgPGxpbnV4L2NvbXBvbmVudC5oPg0KPiA+ICAjaW5jbHVkZSA8bGludXgvaW9wb2xsLmg+DQo+ ID4gICNpbmNsdWRlIDxsaW51eC9pcnEuaD4NCj4gPiArI2luY2x1ZGUgPGxpbnV4L21mZC9zeXNj b24uaD4NCj4gPiAgI2luY2x1ZGUgPGxpbnV4L29mLmg+DQo+ID4gICNpbmNsdWRlIDxsaW51eC9v Zl9wbGF0Zm9ybS5oPg0KPiA+ICAjaW5jbHVkZSA8bGludXgvcGh5L3BoeS5oPg0KPiA+ICAjaW5j bHVkZSA8bGludXgvcGxhdGZvcm1fZGV2aWNlLmg+DQo+ID4gKyNpbmNsdWRlIDxsaW51eC9yZWdt YXAuaD4NCj4gPg0KPiA+ICAjaW5jbHVkZSA8dmlkZW8vbWlwaV9kaXNwbGF5Lmg+DQo+ID4gICNp bmNsdWRlIDx2aWRlby92aWRlb21vZGUuaD4NCj4gPiBAQCAtMTQzLDYgKzE0NSw4IEBADQo+ID4g ICNkZWZpbmUgREFUQV8wICAgICAgICAgICAgICAgICAgICAgICAgICgweGZmIDw8IDE2KQ0KPiA+ ICAjZGVmaW5lIERBVEFfMSAgICAgICAgICAgICAgICAgICAgICAgICAoMHhmZiA8PCAyNCkNCj4g Pg0KPiA+ICsjZGVmaW5lIE1NU1lTX1NXX1JTVF9EU0lfQiBCSVQoMjUpDQo+ID4gKw0KPiA+ICAj ZGVmaW5lIE5TX1RPX0NZQ0xFKG4sIGMpICAgICgobikgLyAoYykgKyAoKChuKSAlIChjKSkgPyAx IDogMCkpDQo+ID4NCj4gPiAgI2RlZmluZSBNVEtfRFNJX0hPU1RfSVNfUkVBRCh0eXBlKSBcDQo+ ID4gQEAgLTE4Niw3ICsxOTAsOCBAQCBzdHJ1Y3QgbXRrX2RzaSB7DQo+ID4gICAgICAgICBzdHJ1 Y3QgZHJtX2JyaWRnZSAqbmV4dF9icmlkZ2U7DQo+ID4gICAgICAgICBzdHJ1Y3QgZHJtX2Nvbm5l Y3RvciAqY29ubmVjdG9yOw0KPiA+ICAgICAgICAgc3RydWN0IHBoeSAqcGh5Ow0KPiA+IC0NCj4g PiArICAgICAgIHN0cnVjdCByZWdtYXAgKm1tc3lzX3N3X3JzdF9iOw0KPiA+ICsgICAgICAgdTMy IHN3X3JzdF9iOw0KPiA+ICAgICAgICAgdm9pZCBfX2lvbWVtICpyZWdzOw0KPiA+DQo+ID4gICAg ICAgICBzdHJ1Y3QgY2xrICplbmdpbmVfY2xrOw0KPiA+IEBAIC0yNzIsNiArMjc3LDE2IEBAIHN0 YXRpYyB2b2lkIG10a19kc2lfZGlzYWJsZShzdHJ1Y3QgbXRrX2RzaSAqZHNpKQ0KPiA+ICAgICAg ICAgbXRrX2RzaV9tYXNrKGRzaSwgRFNJX0NPTl9DVFJMLCBEU0lfRU4sIDApOw0KPiA+ICB9DQo+ ID4NCj4gPiArc3RhdGljIHZvaWQgbXRrX2RzaV9yZXNldF9hbGwoc3RydWN0IG10a19kc2kgKmRz aSkNCj4gPiArew0KPiA+ICsgICAgICAgcmVnbWFwX3VwZGF0ZV9iaXRzKGRzaS0+bW1zeXNfc3df cnN0X2IsIGRzaS0+c3dfcnN0X2IsDQo+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgTU1T WVNfU1dfUlNUX0RTSV9CLCAwKTsNCj4gPiArICAgICAgIHVzbGVlcF9yYW5nZSgxMDAwLCAxMTAw KTsNCj4gPiArDQo+ID4gKyAgICAgICByZWdtYXBfdXBkYXRlX2JpdHMoZHNpLT5tbXN5c19zd19y c3RfYiwgZHNpLT5zd19yc3RfYiwNCj4gPiArICAgICAgICAgICAgICAgICAgICAgICAgICBNTVNZ U19TV19SU1RfRFNJX0IsIE1NU1lTX1NXX1JTVF9EU0lfQik7DQo+ID4gK30NCj4gPiArDQo+ID4g IHN0YXRpYyB2b2lkIG10a19kc2lfcmVzZXRfZW5naW5lKHN0cnVjdCBtdGtfZHNpICpkc2kpDQo+ ID4gIHsNCj4gPiAgICAgICAgIG10a19kc2lfbWFzayhkc2ksIERTSV9DT05fQ1RSTCwgRFNJX1JF U0VULCBEU0lfUkVTRVQpOw0KPiA+IEBAIC05ODUsNiArMTAwMCw4IEBAIHN0YXRpYyBpbnQgbXRr X2RzaV9iaW5kKHN0cnVjdCBkZXZpY2UgKmRldiwgc3RydWN0IGRldmljZSAqbWFzdGVyLCB2b2lk ICpkYXRhKQ0KPiA+DQo+ID4gICAgICAgICByZXQgPSBtdGtfZHNpX2VuY29kZXJfaW5pdChkcm0s IGRzaSk7DQo+ID4NCj4gPiArICAgICAgIG10a19kc2lfcmVzZXRfYWxsKGRzaSk7DQo+ID4gKw0K PiA+ICAgICAgICAgcmV0dXJuIHJldDsNCj4gPiAgfQ0KPiA+DQo+ID4gQEAgLTEwMDcsNiArMTAy NCw3IEBAIHN0YXRpYyBpbnQgbXRrX2RzaV9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpw ZGV2KQ0KPiA+ICAgICAgICAgc3RydWN0IGRldmljZSAqZGV2ID0gJnBkZXYtPmRldjsNCj4gPiAg ICAgICAgIHN0cnVjdCBkcm1fcGFuZWwgKnBhbmVsOw0KPiA+ICAgICAgICAgc3RydWN0IHJlc291 cmNlICpyZWdzOw0KPiA+ICsgICAgICAgc3RydWN0IHJlZ21hcCAqcmVnbWFwOw0KPiA+ICAgICAg ICAgaW50IGlycV9udW07DQo+ID4gICAgICAgICBpbnQgcmV0Ow0KPiA+DQo+ID4gQEAgLTEwMjIs NiArMTA0MCwyMiBAQCBzdGF0aWMgaW50IG10a19kc2lfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2Rl dmljZSAqcGRldikNCj4gPiAgICAgICAgICAgICAgICAgcmV0dXJuIHJldDsNCj4gPiAgICAgICAg IH0NCj4gPg0KPiA+ICsgICAgICAgcmVnbWFwID0gc3lzY29uX3JlZ21hcF9sb29rdXBfYnlfcGhh bmRsZShkZXYtPm9mX25vZGUsDQo+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICJtZWRpYXRlayxzeXNjb24tZHNpIik7DQo+ID4gKyAgICAgICByZXQg PSBvZl9wcm9wZXJ0eV9yZWFkX3UzMl9pbmRleChkZXYtPm9mX25vZGUsICJtZWRpYXRlayxzeXNj b24tZHNpIiwgMSwNCj4gPiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICZkc2ktPnN3X3JzdF9iKTsNCj4gPiArDQo+ID4gKyAgICAgICBpZiAoSVNfRVJSKHJlZ21hcCkp DQo+ID4gKyAgICAgICAgICAgICAgIHJldCA9IFBUUl9FUlIocmVnbWFwKTsNCj4gPiArDQo+ID4g KyAgICAgICBpZiAocmV0KSB7DQo+ID4gKyAgICAgICAgICAgICAgIHJldCA9IFBUUl9FUlIocmVn bWFwKTsNCj4gPiArICAgICAgICAgICAgICAgZGV2X2VycihkZXYsICJGYWlsZWQgdG8gZ2V0IG1t c3lzIHJlZ2lzdGVyczogJWRcbiIsIHJldCk7DQo+ID4gKyAgICAgICAgICAgICAgIHJldHVybiBy ZXQ7DQo+ID4gKyAgICAgICB9DQo+ID4gKw0KPiA+ICsgICAgICAgZHNpLT5tbXN5c19zd19yc3Rf YiA9IHJlZ21hcDsNCj4gPiArDQo+IA0KPiBJdCBsb29rcyBsaWtlIHRoYXQgbXRrLW1tc3lzIGlz IHRoZSByZXNldCBjb250cm9sbGVyIGFuZCBtdGstZHNpIGlzDQo+IHJlc2V0IGNvbnN1bWVyLiBQ bGVhc2UgcmVmZXIgdG8gWzFdLCBbMl0gdG8gaW1wbGVtZW50Lg0KPiANCj4gWzFdIGh0dHBzOi8v d3d3Lmtlcm5lbC5vcmcvZG9jL2h0bWwvbGF0ZXN0L2RyaXZlci1hcGkvcmVzZXQuaHRtbA0KPiBb Ml0gaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvdG9ydmFs ZHMvbGludXguZ2l0L3RyZWUvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL3Jlc2V0 L3Jlc2V0LnR4dD9oPXY1LjEyLXJjOA0KPiANCj4gUmVnYXJkcywNCj4gQ2h1bi1LdWFuZy4NCj4g DQoNClRoYW5rcywgSSdsbCBmaXggbmV4dCB2ZXJzaW9uLg0KDQo+ID4gICAgICAgICByZXQgPSBk cm1fb2ZfZmluZF9wYW5lbF9vcl9icmlkZ2UoZGV2LT5vZl9ub2RlLCAwLCAwLA0KPiA+ICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICZwYW5lbCwgJmRzaS0+bmV4dF9i cmlkZ2UpOw0KPiA+ICAgICAgICAgaWYgKHJldCkNCj4gPiAtLQ0KPiA+IDIuMjUuMQ0KPiA+IF9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+ID4gZHJpLWRl dmVsIG1haWxpbmcgbGlzdA0KPiA+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcNCj4g PiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZl bA0KDQo=