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=-11.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 F0C58C2BBD1 for ; Thu, 17 Sep 2020 09:04:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB8A62083B for ; Thu, 17 Sep 2020 09:04:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=xs4all.nl header.i=@xs4all.nl header.b="qhWncq+6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726236AbgIQJEv (ORCPT ); Thu, 17 Sep 2020 05:04:51 -0400 Received: from lb3-smtp-cloud8.xs4all.net ([194.109.24.29]:50461 "EHLO lb3-smtp-cloud8.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726211AbgIQJEu (ORCPT ); Thu, 17 Sep 2020 05:04:50 -0400 X-Greylist: delayed 433 seconds by postgrey-1.27 at vger.kernel.org; Thu, 17 Sep 2020 05:04:47 EDT Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud8.xs4all.net with ESMTPA id IpjOkLFp4PTBMIpjPklEVJ; Thu, 17 Sep 2020 10:57:32 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s1; t=1600333052; bh=TbnZlMyjc7hLW5uIquqo+lfYa05Kd4uURNp0UGR0Q6c=; h=Subject:To:From:Message-ID:Date:MIME-Version:Content-Type:From: Subject; b=qhWncq+6AkVVfv7kbN22XwqiEJUyw652fCtE+1rMl8B8+4Ubq5SBp/w+g4myHmhB/ 7lwUqNU/t4lJ5uw2PCu4vv8aZy+PbZcULxZshJcr2Hszcorv7jZGL+E95nuuRRouAo 7Pe/I79ebUjrg8FHil26o3k5cKs0J7e8p0il/dkIrbb7ovWr0w5YJsAHK6UeShckZ1 BY6wctElBKYNsJ1SgMigSZchyKs6ayjYo9ZseZgvFaaUQERN6M67ZeGXj25KcWPnHi ImmhRykluwfEqWE/mJudRQrwg5AgqD11S/1yzuUAUPURbBVYD2rr2ZilmMgXHX9oAw 5qbiiMzqiHJyw== Subject: Re: [PATCH v3] media: rcar-vin: Enable YDS bit depending on bus_width and data_shift To: Lad Prabhakar , =?UTF-8?Q?Niklas_S=c3=b6derlund?= , Laurent Pinchart , Geert Uytterhoeven , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Prabhakar References: <20200913181608.32077-1-prabhakar.mahadev-lad.rj@bp.renesas.com> From: Hans Verkuil Message-ID: Date: Thu, 17 Sep 2020 10:57:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200913181608.32077-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfFFR2firi3VrZbJciuz+8KyIN1Cr/M78LF570WN6OoeLmaimY1FXDLMAni4sG3Px59Z6eh/leikmodORkTkZUSnq7JXf6nAjD8UZOZBnCY5g/No67Iah 8pfVXOZSJ6F+9WdXNt0HteX7kNzeAdd1wShfXmPyWQMPkIYHEoaTtBgyPT9JUjNRXrQlQp5XxzSLTS02q8qdA7r39/4vgZi9UXHnD1FJ6sQK9QSPhx6b7Vs8 hkcn5VFihQKp+dcmaSONcRb0bdcoQuzyXblHfrvGpRWAYcFB+k9KDI2nDje8zRXdLeYZORQ353NuCbMawor8/wkmDHCURnhdpi4evkb5YZSlpFrcK1SzlBnQ oiUTBUWC8Ihq6FKLIK91R0zBgEt/b/kOz8pCiGOZjcGwv+KqtU6r1cNvIrjtIKCnKnzDYTfHkymXF1HSMJZtiYsJI5TNrsDcTC5zXRDstfdTlQYdU7PkF992 auVLCyO1vVGcDXwCdGwMNuZ0HTqivea7fjy8kkI6zsgPbLaHCNvQ0qKwne9UCjWd03k2lXevPSQB9l+YVO9q3pmivRFtkaiH564mW1XRxmIPc6JCHZNCcdNu NCRcNUBLqwpE5LKsH100hxH9HqcNmPUG0w43j/zWrvWznw== Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Prabhakar, Can you rebase this patch? It no longer applies. Regards, Hans On 13/09/2020 20:16, Lad Prabhakar wrote: > Enable YDS bit if bus_width and data_shift is set to 8 in parallel mode > for MEDIA_BUS_FMT_UYVY8_2X8 format. > > Signed-off-by: Lad Prabhakar > Reviewed-by: Biju Das > --- > Changes for v3: > * Dropped BIT macro > * Introduced struct v4l2_fwnode_bus_parallel > > Changes for v2: > * Dropped DT binding documentation patch > * Select the data pins depending on bus-width and data-shift > > v1 - > https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=323799 > --- > drivers/media/platform/rcar-vin/rcar-core.c | 9 ++++----- > drivers/media/platform/rcar-vin/rcar-dma.c | 17 ++++++++++++++--- > drivers/media/platform/rcar-vin/rcar-vin.h | 5 +++-- > 3 files changed, 21 insertions(+), 10 deletions(-) > > diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c > index 7440c8965d27..1149ab76cf5c 100644 > --- a/drivers/media/platform/rcar-vin/rcar-core.c > +++ b/drivers/media/platform/rcar-vin/rcar-core.c > @@ -626,12 +626,11 @@ static int rvin_parallel_parse_v4l2(struct device *dev, > > switch (vin->parallel->mbus_type) { > case V4L2_MBUS_PARALLEL: > - vin_dbg(vin, "Found PARALLEL media bus\n"); > - vin->parallel->mbus_flags = vep->bus.parallel.flags; > - break; > case V4L2_MBUS_BT656: > - vin_dbg(vin, "Found BT656 media bus\n"); > - vin->parallel->mbus_flags = 0; > + vin_dbg(vin, "Found %s media bus\n", > + vin->parallel->mbus_type == V4L2_MBUS_PARALLEL ? > + "PARALLEL" : "BT656"); > + vin->parallel->bus = vep->bus.parallel; > break; > default: > vin_err(vin, "Unknown media bus type\n"); > diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c > index a5dbb90c5210..d067439b0b0d 100644 > --- a/drivers/media/platform/rcar-vin/rcar-dma.c > +++ b/drivers/media/platform/rcar-vin/rcar-dma.c > @@ -125,6 +125,7 @@ > #define VNDMR2_VPS (1 << 30) > #define VNDMR2_HPS (1 << 29) > #define VNDMR2_CES (1 << 28) > +#define VNDMR2_YDS (1 << 22) > #define VNDMR2_FTEV (1 << 17) > #define VNDMR2_VLV(n) ((n & 0xf) << 12) > > @@ -698,16 +699,26 @@ static int rvin_setup(struct rvin_dev *vin) > > if (!vin->is_csi) { > /* Hsync Signal Polarity Select */ > - if (!(vin->parallel->mbus_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)) > + if (!(vin->parallel->bus.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)) > dmr2 |= VNDMR2_HPS; > > /* Vsync Signal Polarity Select */ > - if (!(vin->parallel->mbus_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)) > + if (!(vin->parallel->bus.flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)) > dmr2 |= VNDMR2_VPS; > > /* Data Enable Polarity Select */ > - if (vin->parallel->mbus_flags & V4L2_MBUS_DATA_ENABLE_LOW) > + if (vin->parallel->bus.flags & V4L2_MBUS_DATA_ENABLE_LOW) > dmr2 |= VNDMR2_CES; > + > + switch (vin->mbus_code) { > + case MEDIA_BUS_FMT_UYVY8_2X8: > + if (vin->parallel->bus.bus_width == 8 && > + vin->parallel->bus.data_shift == 8) > + dmr2 |= VNDMR2_YDS; > + break; > + default: > + break; > + } > } > > /* > diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h > index c19d077ce1cb..8396e0e45478 100644 > --- a/drivers/media/platform/rcar-vin/rcar-vin.h > +++ b/drivers/media/platform/rcar-vin/rcar-vin.h > @@ -19,6 +19,7 @@ > #include > #include > #include > +#include > #include > > /* Number of HW buffers */ > @@ -92,7 +93,7 @@ struct rvin_video_format { > * @asd: sub-device descriptor for async framework > * @subdev: subdevice matched using async framework > * @mbus_type: media bus type > - * @mbus_flags: media bus configuration flags > + * @bus: media bus parallel configuration > * @source_pad: source pad of remote subdevice > * @sink_pad: sink pad of remote subdevice > * > @@ -102,7 +103,7 @@ struct rvin_parallel_entity { > struct v4l2_subdev *subdev; > > enum v4l2_mbus_type mbus_type; > - unsigned int mbus_flags; > + struct v4l2_fwnode_bus_parallel bus; > > unsigned int source_pad; > unsigned int sink_pad; >