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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 67BE9C48BD7 for ; Thu, 27 Jun 2019 08:43:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 352A9204FD for ; Thu, 27 Jun 2019 08:43:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726293AbfF0InW (ORCPT ); Thu, 27 Jun 2019 04:43:22 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:40467 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725385AbfF0InW (ORCPT ); Thu, 27 Jun 2019 04:43:22 -0400 Received: from lupine.hi.pengutronix.de ([2001:67c:670:100:3ad5:47ff:feaf:1a17] helo=lupine) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1hgPzy-0002Of-TJ; Thu, 27 Jun 2019 10:43:18 +0200 Message-ID: <1561624997.4216.11.camel@pengutronix.de> Subject: Re: [PATCH] media: imx: mipi csi-2: Don't fail if initial state times-out From: Philipp Zabel To: Steve Longerbeam , Fabio Estevam Cc: Ezequiel Garcia , Laurent Pinchart , kernel@collabora.com, Shawn Guo , Sascha Hauer , linux-media , Hans Verkuil , Nicolas Dufresne Date: Thu, 27 Jun 2019 10:43:17 +0200 In-Reply-To: References: <20190625203945.28081-1-ezequiel@collabora.com> <1561535121.4870.1.camel@pengutronix.de> <3797cdd2-f6c8-f23d-788c-b8efc3e75b21@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6-1+deb9u2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 2001:67c:670:100:3ad5:47ff:feaf:1a17 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On Wed, 2019-06-26 at 16:29 -0700, Steve Longerbeam wrote: > Hi Fabio, > > On 6/26/19 4:22 PM, Fabio Estevam wrote: > > Hi Steve, > > > > On Wed, Jun 26, 2019 at 6:19 PM Steve Longerbeam wrote: > > > > > Did you only get the LP-11 timeout warning message with this patch on > > > the OV5645, or both the LP-11 timeout and clock lane timeout warnings? > > > > With this patch applied I get only the LP-11 timeout warnings, not > > clock lane timeouts. > > Ok thanks for the confirmation that the imx6 CSI-2 receiver is able to > successfully move to stream on without seeing the LP-11 state in this > case. Are there any visual artifacts in the first frame(s) in this case? > So in my opinion the next version of this patch should make LP-11 > timeout a warning only, but keep the error return on clock lane timeouts. I agree. regards Philipp