From patchwork Mon Mar 26 21:44:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 10308833 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F1D7D60353 for ; Mon, 26 Mar 2018 21:46:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ECB48298EF for ; Mon, 26 Mar 2018 21:46:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1A69298FA; Mon, 26 Mar 2018 21:46:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 59537298EF for ; Mon, 26 Mar 2018 21:46:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752294AbeCZVqv (ORCPT ); Mon, 26 Mar 2018 17:46:51 -0400 Received: from vsp-unauthed02.binero.net ([195.74.38.227]:54027 "EHLO vsp-unauthed02.binero.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752362AbeCZVqt (ORCPT ); Mon, 26 Mar 2018 17:46:49 -0400 X-Halon-ID: 2dc0a943-313f-11e8-93de-005056917a89 Authorized-sender: niklas@soderlund.pp.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by bin-vsp-out-01.atm.binero.net (Halon) with ESMTPA id 2dc0a943-313f-11e8-93de-005056917a89; Mon, 26 Mar 2018 23:46:46 +0200 (CEST) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: Laurent Pinchart , Hans Verkuil , linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, tomoharu.fukawa.eb@renesas.com, Kieran Bingham , =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH v13 17/33] rcar-vin: cache video standard Date: Mon, 26 Mar 2018 23:44:40 +0200 Message-Id: <20180326214456.6655-18-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180326214456.6655-1-niklas.soderlund+renesas@ragnatech.se> References: <20180326214456.6655-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP At stream on time the driver should not query the subdevice for which standard are used. Instead it should be cached when userspace sets the standard and used at stream on time. Signed-off-by: Niklas Söderlund Reviewed-by: Hans Verkuil Reviewed-by: Laurent Pinchart --- drivers/media/platform/rcar-vin/rcar-core.c | 6 ++++++ drivers/media/platform/rcar-vin/rcar-dma.c | 7 ++----- drivers/media/platform/rcar-vin/rcar-v4l2.c | 10 ++++++++-- drivers/media/platform/rcar-vin/rcar-vin.h | 2 ++ 4 files changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index be49d8968f0a0cef..8c251687e81b345b 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -96,6 +96,12 @@ static int rvin_digital_subdevice_attach(struct rvin_dev *vin, if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) return ret; + /* Read standard */ + vin->std = V4L2_STD_UNKNOWN; + ret = v4l2_subdev_call(subdev, video, g_std, &vin->std); + if (ret < 0 && ret != -ENOIOCTLCMD) + return ret; + /* Add the controls */ ret = v4l2_ctrl_handler_init(&vin->ctrl_handler, 16); if (ret < 0) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 9233924e5b52de5f..79f4074b931b5aeb 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -592,7 +592,6 @@ void rvin_crop_scale_comp(struct rvin_dev *vin) static int rvin_setup(struct rvin_dev *vin) { u32 vnmc, dmr, dmr2, interrupts; - v4l2_std_id std; bool progressive = false, output_is_yuv = false, input_is_yuv = false; switch (vin->format.field) { @@ -606,10 +605,8 @@ static int rvin_setup(struct rvin_dev *vin) /* Default to TB */ vnmc = VNMC_IM_FULL; /* Use BT if video standard can be read and is 60 Hz format */ - if (!v4l2_subdev_call(vin_to_source(vin), video, g_std, &std)) { - if (std & V4L2_STD_525_60) - vnmc = VNMC_IM_FULL | VNMC_FOC; - } + if (vin->std & V4L2_STD_525_60) + vnmc = VNMC_IM_FULL | VNMC_FOC; break; case V4L2_FIELD_INTERLACED_TB: vnmc = VNMC_IM_FULL; diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index c4be0bcb8b16f941..43370c57d4b6239a 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -477,6 +477,8 @@ static int rvin_s_std(struct file *file, void *priv, v4l2_std_id a) if (ret < 0) return ret; + vin->std = a; + /* Changing the standard will change the width/height */ return rvin_reset_format(vin); } @@ -484,9 +486,13 @@ static int rvin_s_std(struct file *file, void *priv, v4l2_std_id a) static int rvin_g_std(struct file *file, void *priv, v4l2_std_id *a) { struct rvin_dev *vin = video_drvdata(file); - struct v4l2_subdev *sd = vin_to_source(vin); - return v4l2_subdev_call(sd, video, g_std, a); + if (v4l2_subdev_has_op(vin_to_source(vin), pad, dv_timings_cap)) + return -ENOIOCTLCMD; + + *a = vin->std; + + return 0; } static int rvin_subscribe_event(struct v4l2_fh *fh, diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h index e940366d7e8d0e76..06cec4f8e5ffaf2b 100644 --- a/drivers/media/platform/rcar-vin/rcar-vin.h +++ b/drivers/media/platform/rcar-vin/rcar-vin.h @@ -118,6 +118,7 @@ struct rvin_info { * @crop: active cropping * @compose: active composing * @source: active size of the video source + * @std: active video standard of the video source */ struct rvin_dev { struct device *dev; @@ -146,6 +147,7 @@ struct rvin_dev { struct v4l2_rect crop; struct v4l2_rect compose; struct v4l2_rect source; + v4l2_std_id std; }; #define vin_to_source(vin) ((vin)->digital->subdev)