From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754297AbdBPLcw (ORCPT ); Thu, 16 Feb 2017 06:32:52 -0500 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:42797 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753679AbdBPLcu (ORCPT ); Thu, 16 Feb 2017 06:32:50 -0500 Message-ID: <1487244744.2377.38.camel@pengutronix.de> Subject: Re: [PATCH v4 33/36] media: imx: redo pixel format enumeration and negotiation From: Philipp Zabel To: Steve Longerbeam Cc: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com, linux@armlinux.org.uk, 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 Date: Thu, 16 Feb 2017 12:32:24 +0100 In-Reply-To: <1487211578-11360-34-git-send-email-steve_longerbeam@mentor.com> References: <1487211578-11360-1-git-send-email-steve_longerbeam@mentor.com> <1487211578-11360-34-git-send-email-steve_longerbeam@mentor.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.9-1+b1 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-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2017-02-15 at 18:19 -0800, Steve Longerbeam wrote: > The previous API and negotiation of mbus codes and pixel formats > was broken, and has been completely redone. > > The negotiation of media bus codes should be as follows: > > CSI: > > sink pad direct src pad IDMAC src pad > -------- ---------------- ------------- > RGB (any) IPU RGB RGB (any) > YUV (any) IPU YUV YUV (any) > Bayer N/A must be same bayer code as sink The IDMAC src pad should also use the internal 32-bit RGB / YUV format, except if bayer/raw mode is selected, in which case the attached capture video device should only allow a single mode corresponding to the output pad media bus format. regards Philipp