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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 autolearn=no 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 F0872C433DF for ; Mon, 1 Jun 2020 10:37:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFB802065C for ; Mon, 1 Jun 2020 10:37:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="N/SzcJgl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725972AbgFAKhs (ORCPT ); Mon, 1 Jun 2020 06:37:48 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:35896 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725925AbgFAKhr (ORCPT ); Mon, 1 Jun 2020 06:37:47 -0400 X-UUID: 394d6998af134c8690c692338d0e4123-20200601 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=1ubZI9bQ8AA1BT1/8Z5X+IHX0+39sOSJHMhP1+hac8k=; b=N/SzcJgl397H4uuPS8/+6ws0a1tn3EbRswPKG1jFFR9xj6VlSf44jI6tsyRmMiaKkQdjK0op73bx2IqI1IVXOY2yxJkv0f2pvMvC/jGNt2zGGeWnIfZonzu4XeLN26fKCs9yWfF9N3iw27ZFmpKL8PWjfZIP5zxmAoHVAq5q1qE=; X-UUID: 394d6998af134c8690c692338d0e4123-20200601 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 966313528; Mon, 01 Jun 2020 18:37:44 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 1 Jun 2020 18:37:42 +0800 Received: from [172.21.84.99] (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 1 Jun 2020 18:37:41 +0800 Message-ID: <1591007863.15207.1.camel@mtksdccf07> Subject: Re: [RFC PATCH V4 4/4] platform: mtk-isp: Add Mediatek FD driver From: Jerry-ch Chen To: Tomasz Figa CC: Hans Verkuil , Hans Verkuil , Laurent Pinchart , Matthias Brugger , Mauro Carvalho Chehab , Pi-Hsun Shih , , , "moderated list:ARM/Mediatek SoC support" , "list@263.net:IOMMU DRIVERS , Joerg Roedel ," , Sean Cheng =?UTF-8?Q?=28=E9=84=AD=E6=98=87=E5=BC=98=29?= , "Sj Huang" , Christie Yu =?UTF-8?Q?=28=E6=B8=B8=E9=9B=85=E6=83=A0=29?= , Frederic Chen =?UTF-8?Q?=28=E9=99=B3=E4=BF=8A=E5=85=83=29?= , Jungo Lin =?UTF-8?Q?=28=E6=9E=97=E6=98=8E=E4=BF=8A=29?= , Linux Media Mailing List , srv_heupstream , linux-devicetree Date: Mon, 1 Jun 2020 18:37:43 +0800 In-Reply-To: References: <20191204124732.10932-1-Jerry-Ch.chen@mediatek.com> <20191204124732.10932-5-Jerry-Ch.chen@mediatek.com> <20200521182825.GA249683@chromium.org> <1590156658.27807.84.camel@mtksdccf07> <1590755163.23156.24.camel@mtksdccf07> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org T24gRnJpLCAyMDIwLTA1LTI5IGF0IDE0OjU5ICswMjAwLCBUb21hc3ogRmlnYSB3cm90ZToNCj4g T24gRnJpLCBNYXkgMjksIDIwMjAgYXQgMjoyNiBQTSBKZXJyeS1jaCBDaGVuDQo+IDxKZXJyeS1j aC5DaGVuQG1lZGlhdGVrLmNvbT4gd3JvdGU6DQo+ID4NCj4gPiBIaSBUb21hc3osDQo+ID4NCj4g PiBJIEFwcHJlY2lhdGUgeW91ciByZXZpZXcgY29tbWVudHMsIGhlcmUncyB0aGUgcmVwbHkuDQo+ ID4NCj4gPiBPbiBNb24sIDIwMjAtMDUtMjUgYXQgMTQ6MjQgKzAyMDAsIFRvbWFzeiBGaWdhIHdy b3RlOg0KPiA+ID4gcg0KPiA+ID4NCj4gPiA+IE9uIEZyaSwgTWF5IDIyLCAyMDIwIGF0IDQ6MTEg UE0gSmVycnktY2ggQ2hlbg0KPiA+ID4gPEplcnJ5LWNoLkNoZW5AbWVkaWF0ZWsuY29tPiB3cm90 ZToNCj4gPiA+ID4NCj4gPiA+ID4gSGkgVG9tYXN6LA0KPiA+ID4gPg0KPiA+ID4gPiBPbiBUaHUs IDIwMjAtMDUtMjEgYXQgMTg6MjggKzAwMDAsIFRvbWFzeiBGaWdhIHdyb3RlOg0KPiA+ID4gPiA+ IEhpIEplcnJ5LA0KPiA+ID4gPiA+DQo+ID4gPiA+ID4gT24gV2VkLCBEZWMgMDQsIDIwMTkgYXQg MDg6NDc6MzJQTSArMDgwMCwgSmVycnktY2ggQ2hlbiB3cm90ZToNCj4gW3NuaXBdDQo+ID4gPiBJ c24ndCBzdGlsbCBhIG5lZWQgdG8gY2xhbXAoKSB3aWR0aCBhbmQgaGVpZ2h0IHRvIG1pbi9tYXgs IHRob3VnaD8NCj4gPiBZZXMsIEknbGwgYWRkIHRoZW0gYmFjay4NCj4gPg0KPiA+IFRoaXMgZnVu Y3Rpb24gd2lsbCBiZSByZWZpbmVkIGFzIDoNCj4gPg0KPiA+IHN0YXRpYyB2b2lkIG10a19mZF9m aWxsX3BpeGZtdF9tcChzdHJ1Y3QgdjRsMl9waXhfZm9ybWF0X21wbGFuZSAqZGZtdCwNCj4gPiAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdTMyIHBpeGZtdCkNCj4gPiB7DQo+ID4g ICAgICAgICB2NGwyX2ZpbGxfcGl4Zm10X21wKGRmbXQsIHBpeGZtdCwgZGZtdC0+d2lkdGgsIGRm bXQtPmhlaWdodCk7DQo+ID4NCj4gPiAgICAgICAgIGRmbXQtPmZpZWxkID0gVjRMMl9GSUVMRF9O T05FOw0KPiA+ICAgICAgICAgZGZtdC0+Y29sb3JzcGFjZSA9IFY0TDJfQ09MT1JTUEFDRV9CVDIw MjA7DQo+ID4gICAgICAgICBkZm10LT55Y2Jjcl9lbmMgPSBWNEwyX1lDQkNSX0VOQ19ERUZBVUxU Ow0KPiA+ICAgICAgICAgZGZtdC0+cXVhbnRpemF0aW9uID0gVjRMMl9RVUFOVElaQVRJT05fREVG QVVMVDsNCj4gPiAgICAgICAgIGRmbXQtPnhmZXJfZnVuYyA9IFY0TDJfTUFQX1hGRVJfRlVOQ19E RUZBVUxUKGRmbXQtPmNvbG9yc3BhY2UpOw0KPiA+DQo+ID4gICAgICAgICAvKiBLZWVwIHVzZXIg c2V0dGluZyBhcyBwb3NzaWJsZSAqLw0KPiA+ICAgICAgICAgZGZtdC0+d2lkdGggPSBjbGFtcChk Zm10LT53aWR0aCwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgTVRLX0ZEX09VVFBV VF9NSU5fV0lEVEgsDQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgIE1US19GRF9PVVRQ VVRfTUFYX1dJRFRIKTsNCj4gPiAgICAgICAgIGRmbXQtPmhlaWdodCA9IGNsYW1wKGRmbXQtPmhl aWdodCwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIE1US19GRF9PVVRQVVRfTUlO X0hFSUdIVCwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIE1US19GRF9PVVRQVVRf TUFYX0hFSUdIVCk7DQo+IA0KPiBOb3RlIHRoYXQgdGhpcyB3b3VsZCBjYXVzZSB0aGUgb3RoZXIg ZmllbGRzIG9mIGRmbXQgdG8gYmUgaW5jb25zaXN0ZW50DQo+IHdpdGggd2lkdGggYW5kIGhlaWdo dC4gVGhlIGNvcnJlY3Qgd2F5IHRvIGRvIHRoaXMgd291bGQgYmUgdG8gZmlyc3QNCj4gY2xhbXAg YW5kIHRoZW4gY2FsbCB2NGwyX2ZpbGxfcGl4Zm10X21wKCkuDQo+IA0KT2ssIEkgd2lsbCBmaXgg aXQuDQoNClRoYW5rcyBhbmQgQmVzdCByZWdhcmRzLA0KSmVycnkNCj4gQmVzdCByZWdhcmRzLA0K PiBUb21hc3oNCg0K