Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935411AbdCLT7H (ORCPT ); Sun, 12 Mar 2017 15:59:07 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:46400 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935308AbdCLT6o (ORCPT ); Sun, 12 Mar 2017 15:58:44 -0400 Date: Sun, 12 Mar 2017 19:57:41 +0000 From: Russell King - ARM Linux To: Steve Longerbeam Cc: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com, mchehab@kernel.org, hverkuil@xs4all.nl, nick@shmanahar.org, markus.heiser@darmarIT.de, p.zabel@pengutronix.de, laurent.pinchart+renesas@ideasonboard.com, bparrot@ti.com, geert@linux-m68k.org, arnd@arndb.de, sudipm.mukherjee@gmail.com, minghsiu.tsai@mediatek.com, tiffany.lin@mediatek.com, jean-christophe.trotin@st.com, horms+renesas@verge.net.au, niklas.soderlund+renesas@ragnatech.se, robert.jarzmik@free.fr, songjun.wu@microchip.com, andrew-ct.chen@mediatek.com, gregkh@linuxfoundation.org, shuah@kernel.org, sakari.ailus@linux.intel.com, pavel@ucw.cz, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, devel@driverdev.osuosl.org, Steve Longerbeam Subject: Re: [PATCH v5 00/39] i.MX Media Driver Message-ID: <20170312195741.GS21222@n2100.armlinux.org.uk> References: <1489121599-23206-1-git-send-email-steve_longerbeam@mentor.com> <20170310201356.GA21222@n2100.armlinux.org.uk> <47542ef8-3e91-b4cd-cc65-95000105f172@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47542ef8-3e91-b4cd-cc65-95000105f172@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1261 Lines: 28 On Sat, Mar 11, 2017 at 04:30:53PM -0800, Steve Longerbeam wrote: > If it's too difficult to get the imx219 csi-2 transmitter into the > LP-11 state on power on, perhaps the csi-2 receiver can be a little > more lenient on the transmitter and make the LP-11 timeout a warning > instead of error-out. > > Can you try the attached change on top of the version 5 patchset? > > If that doesn't work then you're just going to have to fix the bug > in imx219. That patch gets me past that hurdle, only to reveal that there's another issue: imx6-mipi-csi2: LP-11 timeout, phy_state = 0x00000200 imx219 0-0010: VT: pixclk 139200000Hz line 80742Hz frame 30.0Hz imx219 0-0010: VT: line period 12385ns imx219 0-0010: OP: pixclk 38500000Hz, 2 lanes, 308Mbps peak each imx219 0-0010: OP: 3288 bits/line/lane act=10675ns lp/idle=1710ns ipu1_csi0: csi_idmac_setup failed: -22 ipu1_csi0: pipeline start failed with -22 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1860 at /home/rmk/git/linux-rmk/drivers/media/v4l2-core/videobuf2-core.c:1340 vb2_start_streaming+0x124/0x1b4 [videobuf2_core] -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.