From patchwork Fri Oct 2 18:42:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dafna Hirschfeld X-Patchwork-Id: 11814421 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C5FCA92C for ; Fri, 2 Oct 2020 18:42:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B271F208A9 for ; Fri, 2 Oct 2020 18:42:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387929AbgJBSmh (ORCPT ); Fri, 2 Oct 2020 14:42:37 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:52486 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387692AbgJBSmg (ORCPT ); Fri, 2 Oct 2020 14:42:36 -0400 Received: from guri.fritz.box (p200300c7cf13ec00987cfa6c93a91dfa.dip0.t-ipconnect.de [IPv6:2003:c7:cf13:ec00:987c:fa6c:93a9:1dfa]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dafna) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 0EFA429DEF3; Fri, 2 Oct 2020 19:42:33 +0100 (BST) From: Dafna Hirschfeld To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, dafna.hirschfeld@collabora.com, helen.koike@collabora.com, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org, tfiga@chromium.org Subject: [PATCH 4/6] media: staging: rkisp1: remove the 'is_streaming' field from stats and params Date: Fri, 2 Oct 2020 20:42:20 +0200 Message-Id: <20201002184222.7094-5-dafna.hirschfeld@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201002184222.7094-1-dafna.hirschfeld@collabora.com> References: <20201002184222.7094-1-dafna.hirschfeld@collabora.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The params and stats entities have a field 'is_streaming'. This field is not needed since the entities can have available buffers only if they stream and therefore it is enough to check if there are buffers available. As a result, their start_stream callbacks can be removed since they only set the 'is_streaming' field. Signed-off-by: Dafna Hirschfeld Acked-by: Helen Koike --- drivers/staging/media/rkisp1/rkisp1-common.h | 12 ++++------- drivers/staging/media/rkisp1/rkisp1-params.c | 21 +------------------- drivers/staging/media/rkisp1/rkisp1-stats.c | 17 ---------------- 3 files changed, 5 insertions(+), 45 deletions(-) diff --git a/drivers/staging/media/rkisp1/rkisp1-common.h b/drivers/staging/media/rkisp1/rkisp1-common.h index 45abacdbb664..692333c66f9d 100644 --- a/drivers/staging/media/rkisp1/rkisp1-common.h +++ b/drivers/staging/media/rkisp1/rkisp1-common.h @@ -240,19 +240,17 @@ struct rkisp1_capture { * * @vnode: video node * @rkisp1: pointer to the rkisp1 device - * @lock: locks the buffer list 'stat' and 'is_streaming' + * @lock: locks the buffer list 'stat' * @stat: queue of rkisp1_buffer * @vdev_fmt: v4l2_format of the metadata format - * @is_streaming: device is streaming */ struct rkisp1_stats { struct rkisp1_vdev_node vnode; struct rkisp1_device *rkisp1; - spinlock_t lock; /* locks the buffers list 'stats' and 'is_streaming' */ + spinlock_t lock; /* locks the buffers list 'stats' */ struct list_head stat; struct v4l2_format vdev_fmt; - bool is_streaming; }; /* @@ -260,10 +258,9 @@ struct rkisp1_stats { * * @vnode: video node * @rkisp1: pointer to the rkisp1 device - * @config_lock: locks the buffer list 'params' and 'is_streaming' + * @config_lock: locks the buffer list 'params' * @params: queue of rkisp1_buffer * @vdev_fmt: v4l2_format of the metadata format - * @is_streaming: device is streaming * @quantization: the quantization configured on the isp's src pad * @raw_type: the bayer pattern on the isp video sink pad */ @@ -271,10 +268,9 @@ struct rkisp1_params { struct rkisp1_vdev_node vnode; struct rkisp1_device *rkisp1; - spinlock_t config_lock; /* locks the buffers list 'params' and 'is_streaming' */ + spinlock_t config_lock; /* locks the buffers list 'params' */ struct list_head params; struct v4l2_format vdev_fmt; - bool is_streaming; enum v4l2_quantization quantization; enum rkisp1_fmt_raw_pat_type raw_type; diff --git a/drivers/staging/media/rkisp1/rkisp1-params.c b/drivers/staging/media/rkisp1/rkisp1-params.c index aa758f8c2264..3afbc24ca05e 100644 --- a/drivers/staging/media/rkisp1/rkisp1-params.c +++ b/drivers/staging/media/rkisp1/rkisp1-params.c @@ -1224,10 +1224,6 @@ void rkisp1_params_isr(struct rkisp1_device *rkisp1) struct rkisp1_params *params = &rkisp1->params; spin_lock(¶ms->config_lock); - if (!params->is_streaming) { - spin_unlock(¶ms->config_lock); - return; - } rkisp1_params_apply_params_cfg(params, frame_sequence); spin_unlock(¶ms->config_lock); @@ -1303,8 +1299,7 @@ static void rkisp1_params_config_parameter(struct rkisp1_params *params) spin_lock_irq(¶ms->config_lock); /* apply the first buffer if there is one already */ - if (params->is_streaming) - rkisp1_params_apply_params_cfg(params, 0); + rkisp1_params_apply_params_cfg(params, 0); spin_unlock_irq(¶ms->config_lock); } @@ -1467,7 +1462,6 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq) * without holding the lock */ spin_lock_irq(¶ms->config_lock); - params->is_streaming = false; list_splice_init(¶ms->params, &tmp_list); spin_unlock_irq(¶ms->config_lock); @@ -1475,25 +1469,12 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq) vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); } -static int -rkisp1_params_vb2_start_streaming(struct vb2_queue *queue, unsigned int count) -{ - struct rkisp1_params *params = queue->drv_priv; - - spin_lock_irq(¶ms->config_lock); - params->is_streaming = true; - spin_unlock_irq(¶ms->config_lock); - - return 0; -} - static struct vb2_ops rkisp1_params_vb2_ops = { .queue_setup = rkisp1_params_vb2_queue_setup, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, .buf_queue = rkisp1_params_vb2_buf_queue, .buf_prepare = rkisp1_params_vb2_buf_prepare, - .start_streaming = rkisp1_params_vb2_start_streaming, .stop_streaming = rkisp1_params_vb2_stop_streaming, }; diff --git a/drivers/staging/media/rkisp1/rkisp1-stats.c b/drivers/staging/media/rkisp1/rkisp1-stats.c index c58ae52b8a98..3ddab8fa8f2d 100644 --- a/drivers/staging/media/rkisp1/rkisp1-stats.c +++ b/drivers/staging/media/rkisp1/rkisp1-stats.c @@ -136,7 +136,6 @@ static void rkisp1_stats_vb2_stop_streaming(struct vb2_queue *vq) unsigned int i; spin_lock_irq(&stats->lock); - stats->is_streaming = false; for (i = 0; i < RKISP1_ISP_STATS_REQ_BUFS_MAX; i++) { if (list_empty(&stats->stat)) break; @@ -148,18 +147,6 @@ static void rkisp1_stats_vb2_stop_streaming(struct vb2_queue *vq) spin_unlock_irq(&stats->lock); } -static int -rkisp1_stats_vb2_start_streaming(struct vb2_queue *queue, unsigned int count) -{ - struct rkisp1_stats *stats = queue->drv_priv; - - spin_lock_irq(&stats->lock); - stats->is_streaming = true; - spin_unlock_irq(&stats->lock); - - return 0; -} - static const struct vb2_ops rkisp1_stats_vb2_ops = { .queue_setup = rkisp1_stats_vb2_queue_setup, .buf_queue = rkisp1_stats_vb2_buf_queue, @@ -167,7 +154,6 @@ static const struct vb2_ops rkisp1_stats_vb2_ops = { .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, .stop_streaming = rkisp1_stats_vb2_stop_streaming, - .start_streaming = rkisp1_stats_vb2_start_streaming, }; static int @@ -355,12 +341,9 @@ void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris) if (isp_mis_tmp & RKISP1_STATS_MEAS_MASK) rkisp1->debug.stats_error++; - if (!stats->is_streaming) - goto unlock; if (isp_ris & RKISP1_STATS_MEAS_MASK) rkisp1_stats_send_measurement(stats, isp_ris); -unlock: spin_unlock(&stats->lock); }