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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 A60D3C43387 for ; Wed, 9 Jan 2019 11:11:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 73A6E21738 for ; Wed, 9 Jan 2019 11:11:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730711AbfAILLu (ORCPT ); Wed, 9 Jan 2019 06:11:50 -0500 Received: from metis.ext.pengutronix.de ([85.220.165.71]:48311 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730569AbfAILLt (ORCPT ); Wed, 9 Jan 2019 06:11:49 -0500 Received: from lupine.hi.pengutronix.de ([2001:67c:670:100:3ad5:47ff:feaf:1a17] helo=lupine) by metis.ext.pengutronix.de with esmtp (Exim 4.89) (envelope-from ) id 1ghBm0-00032G-H6; Wed, 09 Jan 2019 12:11:48 +0100 Message-ID: <1547032306.4160.0.camel@pengutronix.de> Subject: Re: [PATCH v6 02/12] gpu: ipu-csi: Swap fields according to input/output field types From: Philipp Zabel To: Steve Longerbeam , linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , Greg Kroah-Hartman , Bartlomiej Zolnierkiewicz , "open list:DRM DRIVERS FOR FREESCALE IMX" , open list , "open list:STAGING SUBSYSTEM" , "open list:FRAMEBUFFER LAYER" Date: Wed, 09 Jan 2019 12:11:46 +0100 In-Reply-To: <20190109001551.16113-3-slongerbeam@gmail.com> References: <20190109001551.16113-1-slongerbeam@gmail.com> <20190109001551.16113-3-slongerbeam@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6-1+deb9u1 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 Tue, 2019-01-08 at 16:15 -0800, Steve Longerbeam wrote: > The function ipu_csi_init_interface() was inverting the F-bit for > NTSC case, in the CCIR_CODE_1/2 registers. The result being that > for NTSC bottom-top field order, the CSI would swap fields and > capture in top-bottom order. > > Instead, base field swap on the field order of the input to the CSI, > and the field order of the requested output. If the input/output > fields are sequential but different, swap fields, otherwise do > not swap. This requires passing both the input and output mbus > frame formats to ipu_csi_init_interface(). > > Move this code to a new private function ipu_csi_set_bt_interlaced_codes() > that programs the CCIR_CODE_1/2 registers for interlaced BT.656 (and > possibly interlaced BT.1120 in the future). > > When detecting input video standard from the input frame width/height, > make sure to double height if input field type is alternate, since > in that case input height only includes lines for one field. > > Signed-off-by: Steve Longerbeam > Reviewed-by: Philipp Zabel Also Acked-by: Philipp Zabel to be merged via the media tree regards Philipp