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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,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 3B6E5C10F0E for ; Fri, 12 Apr 2019 22:48:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0199F218A3 for ; Fri, 12 Apr 2019 22:48:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727157AbfDLWsb (ORCPT ); Fri, 12 Apr 2019 18:48:31 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:36506 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726953AbfDLWsa (ORCPT ); Fri, 12 Apr 2019 18:48:30 -0400 Received: from [IPv6:2804:431:9718:a5e8:c168:522a:50d5:d06d] (unknown [IPv6:2804:431:9718:a5e8:c168:522a:50d5:d06d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: koike) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id E0B1A2818D1; Fri, 12 Apr 2019 23:48:22 +0100 (BST) Subject: Re: [PATCH v2 02/15] media: vimc: Remove unnecessary stream checks To: =?UTF-8?Q?Andr=c3=a9_Almeida?= , linux-media@vger.kernel.org Cc: mchehab@kernel.org, hverkuil@xs4all.nl, lucmaga@gmail.com, linux-kernel@vger.kernel.org, kernel@collabora.com, lkcamp@lists.libreplanetbr.org References: <20190327151743.18528-1-andrealmeid@collabora.com> <20190327151743.18528-3-andrealmeid@collabora.com> From: Helen Koike Openpgp: preference=signencrypt Autocrypt: addr=helen.koike@collabora.com; keydata= mQINBFmOMD4BEADb2nC8Oeyvklh+ataw2u/3mrl+hIHL4WSWtii4VxCapl9+zILuxFDrxw1p 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ZuEHTSm5clMFoi41CmG4DlJbzbo4YfilKYm69vwh50Y8WebcRN31jh0g8ufjOJnBldYYBLwN Obymhlfy/HKBDIbyCGBuwYoAkoJ6LR/cqzl/FuhwhuDocCGlXyYaJOwXgHaCvVXI3PLQPxWZ +vPsD+TSVHc9m/YWrOiYDnZn6aO0Uk1Zv/m9+BBkWAwsreLJ/evn3SsJV1omNBTITG+uxXcf JkgmmesIAw8mpI6EeLmReUJLasz8QkzhZIC7t5rGlQI94GQG3Jg2dC+kpaGWOaT5G4FVMcBj iR1nXfMxENVYnM5ag7mBZyD/kru5W1Uj34L6AFaDMXFPwedSCpzzqUiHb0f+nYkfOodf5xy0 46+3THy/NUS/ZZp/rI4F7Y77+MQPVg7vARfHHX1AxYUKfRVW5j88QUB70txn8Vgi1tDrOr4J eD+xr0CvIGa5lKqgQacQtGkpOpJ8zY4ObSvpNubey/qYUE3DCXD0n2Xxk4muTvqlkFpOYA== Message-ID: Date: Fri, 12 Apr 2019 19:48:16 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <20190327151743.18528-3-andrealmeid@collabora.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/27/19 12:17 PM, André Almeida wrote: > Change the way subdevices check if the stream is running. Verify the stream > pointer instead of src_frame. This makes easier to get rid of the void* and > u8* in the subdevices structs. Also, remove redundant checks for stream. > > Signed-off-by: André Almeida Acked-by: Helen Koike > --- > Changes in v2: > - Squashed commits that remove unnecessary checks together > - Reworded commit message > > drivers/media/platform/vimc/vimc-debayer.c | 5 +---- > drivers/media/platform/vimc/vimc-scaler.c | 7 ++----- > drivers/media/platform/vimc/vimc-sensor.c | 6 +----- > 3 files changed, 4 insertions(+), 14 deletions(-) > > diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c > index 419ad57a4f5c..613b7abbe06e 100644 > --- a/drivers/media/platform/vimc/vimc-debayer.c > +++ b/drivers/media/platform/vimc/vimc-debayer.c > @@ -270,7 +270,7 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd, > > if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { > /* Do not change the format while stream is on */ > - if (vdeb->src_frame) > + if (vdeb->ved.stream) > return -EBUSY; > > sink_fmt = &vdeb->sink_fmt; > @@ -337,9 +337,6 @@ static int vimc_deb_s_stream(struct v4l2_subdev *sd, int enable) > const struct v4l2_format_info *pix_info; > unsigned int frame_size; > > - if (vdeb->src_frame) > - return 0; > - > /* We only support translating bayer to RGB24 */ > if (src_pixelformat != V4L2_PIX_FMT_RGB24) { > dev_err(vdeb->dev, > diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c > index f15542920bdc..8544c745c6e6 100644 > --- a/drivers/media/platform/vimc/vimc-scaler.c > +++ b/drivers/media/platform/vimc/vimc-scaler.c > @@ -158,7 +158,7 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd, > > if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { > /* Do not change the format while stream is on */ > - if (vsca->src_frame) > + if (vsca->ved.stream) > return -EBUSY; > > sink_fmt = &vsca->sink_fmt; > @@ -213,9 +213,6 @@ static int vimc_sca_s_stream(struct v4l2_subdev *sd, int enable) > const struct v4l2_format_info *pix_info; > unsigned int frame_size; > > - if (vsca->src_frame) > - return 0; > - > if (!vimc_sca_is_pixfmt_supported(pixelformat)) { > dev_err(vsca->dev, "pixfmt (%s) is not supported\n", > v4l2_get_fourcc_name(pixelformat)); > @@ -337,7 +334,7 @@ static void *vimc_sca_process_frame(struct vimc_ent_device *ved, > ved); > > /* If the stream in this node is not active, just return */ > - if (!vsca->src_frame) > + if (!ved->stream) > return ERR_PTR(-EINVAL); > > vimc_sca_fill_src_frame(vsca, sink_frame); > diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c > index 081e54204c9f..1b2b75b27952 100644 > --- a/drivers/media/platform/vimc/vimc-sensor.c > +++ b/drivers/media/platform/vimc/vimc-sensor.c > @@ -141,7 +141,7 @@ static int vimc_sen_set_fmt(struct v4l2_subdev *sd, > > if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { > /* Do not change the format while stream is on */ > - if (vsen->frame) > + if (vsen->ved.stream) > return -EBUSY; > > mf = &vsen->mbus_format; > @@ -197,10 +197,6 @@ static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable) > const struct v4l2_format_info *pix_info; > unsigned int frame_size; > > - if (vsen->kthread_sen) > - /* tpg is already executing */ > - return 0; > - > /* Calculate the frame size */ > pix_info = v4l2_format_info(pixelformat); > frame_size = vsen->mbus_format.width * pix_info->bpp[0] * >