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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 7DDA3C10F00 for ; Fri, 6 Mar 2020 08:54:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 475182072A for ; Fri, 6 Mar 2020 08:54:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=aosc.io header.i=@aosc.io header.b="TMAyBXMI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726171AbgCFIyX (ORCPT ); Fri, 6 Mar 2020 03:54:23 -0500 Received: from hermes.aosc.io ([199.195.250.187]:33880 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725873AbgCFIyW (ORCPT ); Fri, 6 Mar 2020 03:54:22 -0500 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 0B8624BC35; Fri, 6 Mar 2020 08:53:56 +0000 (UTC) Message-ID: <5d72a8c6824b31163a303b5ef1526efe05121e5d.camel@aosc.io> Subject: Re: [PATCH v2 2/2] drm/bridge: anx7688: Add anx7688 bridge driver support From: Icenowy Zheng To: Enric Balletbo i Serra , =?gb2312?Q?Ond=810=940ej?= Jirman , Vasily Khoruzhick , Enric Balletbo Serra , Jernej Skrabec , Nicolas Boichat , Laurent Pinchart , Neil Armstrong , David Airlie , Torsten Duwe , Jonas Karlman , linux-kernel , dri-devel , Andrzej Hajda , Maxime Ripard , Hsin-Yi Wang , Matthias Brugger , Thomas Gleixner , Collabora Kernel ML Date: Fri, 06 Mar 2020 16:53:46 +0800 In-Reply-To: <2a5a4a62-3189-e053-21db-983a4c766d44@collabora.com> References: <20200213145416.890080-1-enric.balletbo@collabora.com> <20200213145416.890080-2-enric.balletbo@collabora.com> <5245a8e4-2320-46bd-04fd-f86ce6b17ce7@collabora.com> <20200305193505.4km5j7n25ph4b6hn@core.my.home> <2a5a4a62-3189-e053-21db-983a4c766d44@collabora.com> Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aosc.io; s=dkim; t=1583484858; h=from:subject:date:message-id:to:mime-version:content-type:content-transfer-encoding:in-reply-to:references; bh=whGTAJHlYigYjZ8Bt9ei5nP1KSVeXS1a1/b/mBSwvdU=; b=TMAyBXMIAmUr2NuUqUbtT7YKm9o5pQpohi3Ru/es8GLfSDjPXde0A+J1u+DnXjsLe5YFth UFFzHRfgi/SE8ALhSwWtxB1k+SjQmXAbANQKyy/3tSei2JJzS+0W596rLI8ybTO2KACSXW PPVo+clmVSVLhe7dR5JlNCmgf/AM+DU= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2020-03-06星期五的 09:46 +0100，Enric Balletbo i Serra写道： > Hi Ondrej, > > On 5/3/20 20:35, Ondřej Jirman wrote: > > Hi, > > > > On Thu, Mar 05, 2020 at 10:29:33AM -0800, Vasily Khoruzhick wrote: > > > On Thu, Mar 5, 2020 at 7:28 AM Enric Balletbo i Serra > > > wrote: > > > > Hi Vasily, > > > > > > CC: Icenowy and Ondrej > > > > Would you mind to check which firmware version is running the > > > > anx7688 in > > > > PinePhone, I think should be easy to check with i2c-tools. > > > > > > Icenowy, Ondrej, can you guys please check anx7688 firmware > > > version? > > > > i2cget 0 0x28 0x00 w > > 0xaaaa > > > > i2cget 0 0x28 0x02 w > > 0x7688 > > > > i2cget 0 0x28 0x80 w > > 0x0000 > > > > Can you check the value for 0x81 too? root@ice-pinephone [ ~ ] # i2cdump 0 0x28 No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-0, address 0x28, mode byte Continue? [Y/n] 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: aa aa 88 76 ac 00 00 00 00 00 00 00 00 00 05 05 ???v?.........?? 10: 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0............... 20: 00 00 00 00 00 00 00 00 00 00 00 24 f2 e4 ff 00 ...........$??.. 30: 06 40 00 04 94 11 20 ff ff 03 00 bf ff ff 10 01 ?@.??? ..?.?..?? 40: 72 a4 00 09 00 08 05 84 15 40 17 00 00 0a 00 e0 r?.?.????@?..?.? 50: 00 00 00 0a 10 00 e0 df ff ff 00 00 00 10 71 00 ...??.??.....?q. 60: 10 10 04 29 2d 21 10 01 09 13 00 03 e8 13 88 00 ???)-!????.????. 70: 00 19 18 83 16 5c 11 00 ff 00 00 0d 04 38 42 07 .????\?....??8B? 80: 00 00 00 00 00 74 1b 19 44 08 75 00 00 00 00 00 .....t??D?u..... 90: 01 02 00 00 00 00 03 00 ff 30 00 59 01 00 00 00 ??....?..0.Y?... a0: 00 ff fe ff ff 00 00 00 00 00 00 00 00 00 00 02 ..?............? b0: 00 00 00 00 00 00 40 00 28 00 00 00 00 44 08 00 ......@.(....D?. c0: 00 00 00 00 80 00 10 01 0a 10 18 00 00 fd 00 00 ....?.?????..?.. d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 50 10 08 50 00 02 00 70 00 00 30 10 0b 02 1c 01 P??P.?.p..0????? f0: 00 0b 07 00 94 11 7f 00 00 00 00 00 00 01 0e ff .??.???......??. root@ice-pinephone [ ~ ] # i2cdump 0 0x2c No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-0, address 0x2c, mode byte Continue? [Y/n] 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 29 1f 88 76 00 ac 11 00 11 20 10 10 00 00 00 00 )??v.??.? ??.... 10: 03 00 ff 8f ff 7f 00 00 00 00 05 00 10 0a 0c 00 ?..?.?....?.???. 20: 00 00 00 00 99 06 c0 00 00 00 00 00 00 00 02 00 ....???.......?. 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40: 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?............... 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 70: b8 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?............... 80: 01 25 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?%.............. 90: 0f 0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ??.............. a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > > Thanks, > Enric > > > > regards, > > o. > > > > > > Thanks in advance, > > > > Enric > > > > > > > > [snip]