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=-17.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 CC2C1C433F5 for ; Sun, 5 Sep 2021 16:39:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A83AC60F14 for ; Sun, 5 Sep 2021 16:39:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238043AbhIEQki (ORCPT ); Sun, 5 Sep 2021 12:40:38 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:16264 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231847AbhIEQkh (ORCPT ); Sun, 5 Sep 2021 12:40:37 -0400 X-UUID: 37cda44658b14df1af6b188bf2a8d76e-20210906 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=IYHM/TW5iLucDN1aj78GLAplFLu5DgDEPRT7Egaqg3A=; b=hep3aRWZPwctP/Wcd5mL9NsoVlr7OdC8OhSErAh8uASP2Bu4fjo6GJwIAiiFhaG+IOCsMujxpOPRLUNhDlMK6YFrydIeLcm4PpNawfj66BOWtEz60oi1Bcts17JZPTrIeVM5aW/861TTnYsP7zZnjE6bm5IffyYgGr9pTevFt70=; X-UUID: 37cda44658b14df1af6b188bf2a8d76e-20210906 Received: from mtkcas36.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 1438420773; Mon, 06 Sep 2021 00:39:27 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Sep 2021 00:39:25 +0800 Received: from mhfsdcap04 (10.17.3.154) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Sep 2021 00:39:24 +0800 Message-ID: <801231146ab32f9e8aafafd05e9730a383b610e8.camel@mediatek.com> Subject: Re: [PATCH v7 2/7] mtk-mdp: add driver to probe mdp components From: houlong wei To: Ezequiel Garcia , Eizan Miyamoto , Hans Verkuil CC: Linux Kernel Mailing List , "chunkuang.hu@kernel.org" , Yong Wu =?UTF-8?Q?=28=E5=90=B4=E5=8B=87=29?= , "wenst@chromium.org" , CK Hu =?UTF-8?Q?=28=E8=83=A1=E4=BF=8A=E5=85=89=29?= , "Enric Balletbo i Serra" , Yongqiang Niu =?UTF-8?Q?=28=E7=89=9B=E6=B0=B8=E5=BC=BA=29?= , Andrew-CT Chen =?UTF-8?Q?=28=E9=99=B3=E6=99=BA=E8=BF=AA=29?= , Matthias Brugger , Mauro Carvalho Chehab , Minghsiu Tsai =?UTF-8?Q?=28=E8=94=A1=E6=98=8E=E4=BF=AE=29?= , linux-arm-kernel , linux-media , "moderated list:ARM/Mediatek SoC support" , Date: Mon, 6 Sep 2021 00:39:26 +0800 In-Reply-To: References: <20210825063323.3607738-1-eizan@chromium.org> <20210825163247.v7.2.Ie6d1e6e39cf9b5d6b2108ae1096af34c3d55880b@changeid> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-TM-SNTS-SMTP: F9A8D31A1C3CFFD16F950366DDA0F36054B66FEBF3FB52A11BC2F7D75F8661A82000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org U29ycnksIEkgZml4IGEgbGluayBlcnJvciBiZWxvdy4NCg0KT24gTW9uLCAyMDIxLTA5LTA2IGF0 IDAwOjIzICswODAwLCBob3Vsb25nIHdlaSB3cm90ZToNCj4gSGkgRXplcXVpZWwsDQo+IA0KPiBU aGFuayB5b3UgZm9yIHlvdXIgYXR0ZW50aW9uIHRvIHRoaXMgc2VyaWVzIG9mIHBhdGNoZXMuIEkg YW5zd2VyDQo+IHBhcnRpYWwgb2YgeW91ciBxdWVzdGlvbnMgYmVsb3cuDQo+IFJlZ2FyZHMsDQo+ IEhvdWxvbmcNCj4gDQo+IE9uIFNhdCwgMjAyMS0wOS0wNCBhdCAyMDozNCArMDgwMCwgRXplcXVp ZWwgR2FyY2lhIHdyb3RlOg0KPiA+IEhpIEVpemFuLA0KPiA+IA0KPiA+IFNvcnJ5IGZvciBzZWVp bmcgdGhpcyBzZXJpZXMgc28gbGF0ZS4NCj4gPiANCj4gPiBPbiBXZWQsIDI1IEF1ZyAyMDIxIGF0 IDAzOjM1LCBFaXphbiBNaXlhbW90byA8ZWl6YW5AY2hyb21pdW0ub3JnPg0KPiA+IHdyb3RlOg0K PiA+ID4gDQo+ID4gPiBCcm9hZGx5LCB0aGlzIHBhdGNoICgxKSBhZGRzIGEgZHJpdmVyIGZvciB2 YXJpb3VzIE1USyBNRFANCj4gPiA+IGNvbXBvbmVudHMgdG8NCj4gPiA+IGdvIGFsb25nc2lkZSB0 aGUgbWFpbiBNVEsgTURQIGRyaXZlciwgYW5kICgyKSBob29rcyB0aGVtIGFsbA0KPiA+ID4gdG9n ZXRoZXINCj4gPiA+IHVzaW5nIHRoZSBjb21wb25lbnQgZnJhbWV3b3JrLg0KPiA+ID4gDQo+ID4g PiAoMSkgVXAgdW50aWwgbm93LCB0aGUgTVRLIE1EUCBkcml2ZXIgY29udHJvbHMgOCBkZXZpY2Vz IGluIHRoZQ0KPiA+ID4gZGV2aWNlDQo+ID4gPiB0cmVlIG9uIGl0cyBvd24uIFdoZW4gcnVubmlu ZyB0ZXN0cyBmb3IgdGhlIGhhcmR3YXJlIHZpZGVvDQo+ID4gPiBkZWNvZGVyLA0KPiA+ID4gd2UN Cj4gPiA+IGZvdW5kIHRoYXQgdGhlIGlvbW11cyBhbmQgTEFSQnMgd2VyZSBub3QgYmVpbmcgcHJv cGVybHkNCj4gPiA+IGNvbmZpZ3VyZWQuDQo+ID4gDQo+ID4gV2h5IHdlcmUgbm90IGJlaW5nIHBy b3Blcmx5IGNvbmZpZ3VyZWQ/IFdoYXQgd2FzIHRoZSBwcm9ibGVtPw0KPiA+IFdoeSBub3QgZml4 aW5nIHRoYXQgaW5zdGVhZD8NCj4gPiANCj4gPiBEb2VzIHRoaXMgbWVhbiB0aGUgZHJpdmVyIGlz IGN1cnJlbnRseSBicm9rZW4gYW5kIHVudXNhYmxlPw0KPiANCj4gVGhpcyBzZXJpZXMgb2YgcGF0 Y2hlcyBhcmUgc3VwcGxlbWVudHMgdG8gYW5vdGhlciBzZXJpZXMsIHBsZWFzZQ0KPiByZWZlcg0K PiB0byAgDQo+IA0KaHR0cHM6Ly9wYXRjaHdvcmsua2VybmVsLm9yZy9wcm9qZWN0L2xpbnV4LW1l ZGlhdGVrL2xpc3QvP3Nlcmllcz01MTUxMjljDQoNCkZpeCB0aGUgbGluayBhZGRyZXNzOiANCmh0 dHBzOi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcHJvamVjdC9saW51eC1tZWRpYXRlay9saXN0Lz9z ZXJpZXM9NTIzNzcxDQoNCj4gLCB3aGljaCBhZGQgZGV2aWNlIGxpbmsgYmV0d2VlbiB0aGUgbXRr LWlvbW11IGNvbnN1bWVyIGFuZCB0aGUgbXRrLQ0KPiBsYXJiIA0KPiBkZXZpY2VzLiBXaXRob3V0 IHRoYXQgc2VyaWVzIG9mIHBhdGNoZXMsIHRoZSBtdGstbWRwIGRyaXZlciBjYW4gd29yaw0KPiB3 ZWxsIHNvIGZhci4NCj4gQnV0IHdpdGggdGhhdCBzZXJpZXMsIGl0IHNlZW1zIHRoZSBkZXZpY2Ug bGluayBvbmx5IGNhbiBiZQ0KPiBlc3RhYmxpc2hlZA0KPiBmb3IgdGhlIGRldmljZSB3aGljaCBp cyByZWdpc3RlcmVkIGFzIGEgcGxhdGZvcm0gZHJpdmVyLiBUaGF0J3Mgd2h5DQo+IEVpemFuIGFk ZHMgdGhpcyBzZXJpZXMgb2YgcGF0Y2hlcyB0byBtYWtlIGFsbCBtZHAgY29tcG9uZW50cyB0byBi ZQ0KPiByZWdpc3RlcmVkIGFzIHBsYXRmb3JtIGRyaXZlcnMuDQo+IA0KPiA+IA0KPiA+ID4gVG8N Cj4gPiA+IGNvbmZpZ3VyZSB0aGVtLCBhIGRyaXZlciBmb3IgZWFjaCBiZSBhZGRlZCB0byBtdGtf bWRwX2NvbXAgc28NCj4gPiA+IHRoYXQNCj4gPiA+IG10a19pb21tdV9hZGRfZGV2aWNlKCkgY2Fu IChldmVudHVhbGx5KSBiZSBjYWxsZWQgZnJvbQ0KPiA+ID4gZG1hX2NvbmZpZ3VyZSgpDQo+ID4g PiBpbnNpZGUgcmVhbGx5X3Byb2JlKCkuDQo+ID4gPiANCj4gPiA+ICgyKSBUaGUgaW50ZWdyYXRp b24gaW50byB0aGUgY29tcG9uZW50IGZyYW1ld29yayBhbGxvd3MgdXMgdG8NCj4gPiA+IGRlZmVy DQo+ID4gPiB0aGUNCj4gPiA+IHJlZ2lzdHJhdGlvbiB3aXRoIHRoZSB2NGwyIHN1YnN5c3RlbSB1 bnRpbCBhbGwgdGhlIE1EUC1yZWxhdGVkDQo+ID4gPiBkZXZpY2VzDQo+ID4gPiBoYXZlIGJlZW4g cHJvYmVkLCBzbyB0aGF0IHRoZSByZWxldmFudCBkZXZpY2Ugbm9kZSBkb2VzIG5vdA0KPiA+ID4g YmVjb21lDQo+ID4gPiBhdmFpbGFibGUgdW50aWwgaW5pdGlhbGl6YXRpb24gb2YgYWxsIHRoZSBj b21wb25lbnRzIGlzIGNvbXBsZXRlLg0KPiA+ID4gDQo+ID4gPiBTb21lIG5vdGVzIGFib3V0IGhv dyB0aGUgY29tcG9uZW50IGZyYW1ld29yayBoYXMgYmVlbiBpbnRlZ3JhdGVkOg0KPiA+ID4gDQo+ ID4gPiAtIFRoZSBkcml2ZXIgZm9yIHRoZSByZG1hMCBjb21wb25lbnQgc2VydmVzIGRvdWJsZSBk dXR5IGFzIHRoZQ0KPiA+ID4gIm1hc3RlciINCj4gPiA+ICAgKGFnZ3JlZ2F0ZSkgZHJpdmVyIGFz IHdlbGwgYXMgYSBjb21wb25lbnQgZHJpdmVyLiBUaGlzIGlzIGENCj4gPiA+IG5vbi0NCj4gPiA+ IGlkZWFsDQo+ID4gPiAgIGNvbXByb21pc2UgdW50aWwgYSBiZXR0ZXIgc29sdXRpb24gaXMgZGV2 ZWxvcGVkLiBUaGlzIGRldmljZSBpcw0KPiA+ID4gICBkaWZmZXJlbnRpYXRlZCBmcm9tIHRoZSBy ZXN0IGJ5IGNoZWNraW5nIGZvciBhICJtZWRpYXRlayx2cHUiDQo+ID4gPiBwcm9wZXJ0eQ0KPiA+ ID4gICBpbiB0aGUgZGV2aWNlIG5vZGUuDQo+ID4gPiANCj4gPiANCj4gPiBBcyBJIGhhdmUgc3Rh dGVkIGluIFl1bmZlaSwgSSBhbSBub3QgY29udmluY2VkIHlvdSBuZWVkIGFuIGFzeW5jDQo+ID4g ZnJhbWV3b3JrDQo+ID4gYXQgYWxsLiBJdCBzZWVtcyBhbGwgdGhlc2UgZGV2aWNlcyBjb3VsZCBo YXZlIGJlZW4gbGlua2VkIHRvZ2V0aGVyDQo+ID4gaW4gdGhlIGRldmljZSB0cmVlLCBhbmQgdGhl biBoYXZlIGEgbWFzdGVyIGRldmljZSB0byB0aWUgdGhlbS4NCj4gPiANCj4gPiBJLmUuIHNvbWV0 aGluZyBsaWtlDQo+ID4gDQo+ID4gbWRwIHsNCj4gPiAgIG1kcF9yZG1hMCB7DQo+ID4gICB9DQo+ ID4gICBtZHBfcnN6MCB7DQo+ID4gICB9DQo+ID4gICBtZHBfcnN6MSB7DQo+ID4gICB9DQo+ID4g fQ0KPiA+IA0KPiANCj4gVGhlIGNvbW1pdCBtZXNzYWdlIG9mIHRoZSBwYXRjaCBiZWxvdyBleHBs YWlucyB0aGF0ICIgSWYgdGhlIG1kcF8qDQo+IG5vZGVzIGFyZSB1bmRlciBhbiBtZHAgc3ViLW5v ZGUsIHRoZWlyIGNvcnJlc3BvbmRpbmcgcGxhdGZvcm0gZGV2aWNlDQo+IGRvZXMgbm90IGF1dG9t YXRpY2FsbHkgZ2V0IGl0cyBpb21tdSBhc3NpZ25lZCBwcm9wZXJseS4iDQo+IFBsZWFzZSByZWZl ciB0byANCj4gDQpodHRwczovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dp dC9zdGFibGUvbGludXguZ2l0L2NvbW1pdC9hcmNoL2FybTY0L2Jvb3QvZHRzL21lZGlhdGVrL210 ODE3My5kdHNpP2g9djUuMTQuMSZpZD04MTI3ODgxZjc0MWRiYmY5YTFkYTllOWJjNTkxMzM4MjAx NjBiMjE3DQo+IA0KPiA+IEFsbCB0aGlzIGFzeW5jIGdhbWVzIHNlZW0gbGlrZSBtYWtpbmcgdGhl IGRyaXZlciByZWFsbHkgb2JmdXNjYXRlZCwNCj4gPiB3aGljaCB3aWxsIG1lYW4gaGFyZGVyIHRv IGRlYnVnIGFuZCBtYWludGFpbi4NCj4gPiBJIGFtIG5vdCBzdXJlIHdlIHdhbnQgdGhhdCBidXJk ZW4uDQo+ID4gDQo+ID4gRXZlbiBpZiB3ZSBhcmUgYWxsIGZ1bGx5IGNvbnZpbmNlZCB0aGF0IHlv dSBhYnNvbHV0ZWx5IG5lZWQNCj4gPiBhbiBhc3luYyBmcmFtZXdvcmssIHRoZW4gd2hhdCdzIHdy b25nIHdpdGggdjRsMi1hc3luYz8NCj4gPiANCj4gPiBJIHdvdWxkIHN0YXJ0IGJ5IGFkZHJlc3Np bmcgd2hhdCBpcyB3cm9uZyB3aXRoIHRoZSBJT01NVXMNCj4gPiBpbiB0aGUgY3VycmVudCBkZXNp Z24uDQo+ID4gDQo+ID4gVGhhbmtzLA0KPiA+IEV6ZXF1aWVsDQo+ID4gDQo+ID4gPiAtIFRoZSBs aXN0IG9mIG1kcCBjb21wb25lbnRzIHJlbWFpbnMgaGFyZC1jb2RlZCBhcw0KPiA+ID4gbXRrX21k cF9jb21wX2R0X2lkc1tdDQo+ID4gPiAgIGluIG10a19tZHBfY29yZS5jLCBhbmQgYXMgbXRrX21k cF9jb21wX2RyaXZlcl9kdF9tYXRjaFtdIGluDQo+ID4gPiAgIG10a19tZHBfY29tcC5jLiBUaGlz IHVuZm9ydHVuYXRlIGR1cGxpY2F0aW9uIG9mIGluZm9ybWF0aW9uIGlzDQo+ID4gPiAgIGFkZHJl c3NlZCBpbiBhIGZvbGxvd2luZyBwYXRjaCBpbiB0aGlzIHNlcmllcy4NCj4gPiA+IA0KPiA+ID4g LSBUaGUgY29tcG9uZW50IGRyaXZlciBjYWxscyBjb21wb25lbnRfYWRkKCkgZm9yIGVhY2ggZGV2 aWNlIHRoYXQNCj4gPiA+IGlzDQo+ID4gPiAgIHByb2JlZC4NCj4gPiA+IA0KPiA+ID4gLSBJbiBt dGtfbWRwX3Byb2JlICh0aGUgIm1hc3RlciIgZGV2aWNlKSwgd2Ugc2NhbiB0aGUgZGV2aWNlIHRy ZWUNCj4gPiA+IGZvcg0KPiA+ID4gICBhbnkgbWF0Y2hpbmcgbm9kZXMgYWdhaW5zdCBtdGtfbWRw X2NvbXBfZHRfaWRzLCBhbmQgYWRkDQo+ID4gPiBjb21wb25lbnQNCj4gPiA+ICAgbWF0Y2hlcyBm b3IgdGhlbS4gVGhlIG1hdGNoIGNyaXRlcmlhIGlzIGEgbWF0Y2hpbmcgZGV2aWNlIG5vZGUNCj4g PiA+ICAgcG9pbnRlci4NCj4gPiA+IA0KPiA+ID4gLSBXaGVuIHRoZSBzZXQgb2YgY29tcG9uZW50 cyBkZXZpY2VzIHRoYXQgaGF2ZSBiZWVuIHByb2JlZA0KPiA+ID4gY29ycmVzcG9uZHMNCj4gPiA+ ICAgd2l0aCB0aGUgbGlzdCB0aGF0IGlzIGdlbmVyYXRlZCBieSB0aGUgIm1hc3RlciIsIHRoZSBj YWxsYmFjaw0KPiA+ID4gdG8NCj4gPiA+ICAgbXRrX21kcF9tYXN0ZXJfYmluZCgpIGlzIG1hZGUs IHdoaWNoIHRoZW4gY2FsbHMgdGhlIGNvbXBvbmVudA0KPiA+ID4gYmluZA0KPiA+ID4gICBmdW5j dGlvbnMuDQo+ID4gPiANCj4gPiA+IC0gSW5zaWRlIG10a19tZHBfbWFzdGVyX2JpbmQoKSwgb25j ZSBhbGwgdGhlIGNvbXBvbmVudCBiaW5kDQo+ID4gPiBmdW5jdGlvbnMNCj4gPiA+ICAgaGF2ZSBi ZWVuIGNhbGxlZCwgd2UgY2FuIHRoZW4gcmVnaXN0ZXIgb3VyIGRldmljZSB0byB0aGUgdjRsMg0K PiA+ID4gICBzdWJzeXN0ZW0uDQo+ID4gPiANCj4gPiA+IC0gVGhlIGNhbGwgdG8gcG1fcnVudGlt ZV9lbmFibGUoKSBpbiB0aGUgbWFzdGVyIGRldmljZSBpcyBjYWxsZWQNCj4gPiA+IGFmdGVyDQo+ ID4gPiAgIGFsbCB0aGUgY29tcG9uZW50cyBoYXZlIGJlZW4gcmVnaXN0ZXJlZCBieSB0aGVpciBi aW5kKCkNCj4gPiA+IGZ1bmN0aW9ucw0KPiA+ID4gICBjYWxsZWQgYnkgbXRrX210cF9tYXN0ZXJf YmluZCgpLiBBcyBhIHJlc3VsdCwgdGhlIGxpc3Qgb2YNCj4gPiA+IGNvbXBvbmVudHMNCj4gPiA+ ICAgd2lsbCBub3QgY2hhbmdlIHdoaWxlIHBvd2VyIG1hbmFnZW1lbnQgY2FsbGJhY2tzDQo+ID4g PiBtdGtfbWRwX3N1c3BlbmQoKS8NCj4gPiA+ICAgcmVzdW1lKCkgYXJlIGFjY2Vzc2luZyB0aGUg bGlzdCBvZiBjb21wb25lbnRzLg0KPiA+ID4gDQo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBFaXphbiBN aXlhbW90byA8ZWl6YW5AY2hyb21pdW0ub3JnPg0KPiA+ID4gUmV2aWV3ZWQtYnk6IEVucmljIEJh bGxldGJvIGkgU2VycmEgPGVucmljLmJhbGxldGJvQGNvbGxhYm9yYS5jb20NCj4gPiA+ID4NCj4g PiA+IFJldmlld2VkLWJ5OiBIb3Vsb25nIFdlaSA8aG91bG9uZy53ZWlAbWVkaWF0ZWsuY29tPg0K PiA+ID4gLS0tDQo+ID4gPiANCj4gDQo+IA0K