Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757162AbdCUL2y (ORCPT ); Tue, 21 Mar 2017 07:28:54 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:49968 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756585AbdCUL2w (ORCPT ); Tue, 21 Mar 2017 07:28:52 -0400 Date: Tue, 21 Mar 2017 11:27:41 +0000 From: Russell King - ARM Linux To: Philipp Zabel Cc: Steve Longerbeam , 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, 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 38/39] media: imx: csi: fix crop rectangle reset in sink set_fmt Message-ID: <20170321112741.GV21222@n2100.armlinux.org.uk> References: <1489121599-23206-1-git-send-email-steve_longerbeam@mentor.com> <1489121599-23206-39-git-send-email-steve_longerbeam@mentor.com> <20170319152233.GW21222@n2100.armlinux.org.uk> <327d67d9-68c1-7f74-0c0f-f6aee1c4b546@gmail.com> <1490010926.2917.59.camel@pengutronix.de> <20170320120855.GH21222@n2100.armlinux.org.uk> <1490018451.2917.86.camel@pengutronix.de> <20170320141705.GL21222@n2100.armlinux.org.uk> <1490030604.2917.103.camel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1490030604.2917.103.camel@pengutronix.de> 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: 2054 Lines: 51 On Mon, Mar 20, 2017 at 06:23:24PM +0100, Philipp Zabel wrote: > @@ -1173,15 +1196,8 @@ static void csi_try_fmt(struct csi_priv *priv, > incc = imx_media_find_mbus_format(infmt->code, > CS_SEL_ANY, true); > > - if (sdformat->format.width < priv->crop.width * 3 / 4) > - sdformat->format.width = priv->crop.width / 2; > - else > - sdformat->format.width = priv->crop.width; > - > - if (sdformat->format.height < priv->crop.height * 3 / 4) > - sdformat->format.height = priv->crop.height / 2; > - else > - sdformat->format.height = priv->crop.height; > + sdformat->format.width = compose->width; > + sdformat->format.height = compose->height; > > if (incc->bayer) { > sdformat->format.code = infmt->code; We need to do more in here, because right now setting the source pads overwrites the colorimetry etc information. Maybe something like the below? I'm wondering if it would be a saner approach to copy the sink format and update the parameters that can be changed, rather than trying to list all the parameters that shouldn't be changed. What if the format structure gains a new member? diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c index 1492b92e1970..756204ced53c 100644 --- a/drivers/staging/media/imx/imx-media-csi.c +++ b/drivers/staging/media/imx/imx-media-csi.c @@ -1221,6 +1221,12 @@ static void csi_try_fmt(struct csi_priv *priv, sdformat->format.field = (infmt->height == 480) ? V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT; } + + /* copy settings we can't change */ + sdformat->format.colorspace = infmt->colorspace; + sdformat->format.ycbcr_enc = infmt->ycbcr_enc; + sdformat->format.quantization = infmt->quantization; + sdformat->format.xfer_func = infmt->xfer_func; break; case CSI_SINK_PAD: v4l_bound_align_image(&sdformat->format.width, MIN_W, MAX_W, -- 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.