From patchwork Wed Nov 2 13:15:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 621007 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BB42C4332F for ; Wed, 2 Nov 2022 13:16:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231474AbiKBNQO (ORCPT ); Wed, 2 Nov 2022 09:16:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231368AbiKBNPo (ORCPT ); Wed, 2 Nov 2022 09:15:44 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE2712AC69; Wed, 2 Nov 2022 06:15:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1667394938; x=1698930938; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cOD+lDlaA4B/ArMiUay7i5XoiBIAeb6MV0seZdHgvxg=; b=2qV/jK2S4DKPgsxpl6E/zqXJXLZ0W8lrxmMlmmLwy3CAdHYbpkpurIRy 3PRk0QMdmsGMxG55GQQNpE0dHxv5ZDyBPpUolaujfQmAEx22dAV+4D9DA 2oeGjxCK4LLXd1RpgPml9gmAEmrU5QAzxnBK5WAazAdzMj1WJgXeRmGpw uYXDJgQwYJQv/sYgJ2T/N5g1x4GaHmAUgU/aOmg3qoVfptnQJ513Xm1mR 4VNbJQoX5maPco43KkCsVyMr19LbYHSAOZjuPJ29gPKVNcXLwpYIWWhrJ KTzbjHpT+IfDnkAcWLVtubY4LoaIwrIyvdyDrhVViDAs7fjNaokuA6eZx w==; X-IronPort-AV: E=Sophos;i="5.95,234,1661842800"; d="scan'208";a="185022392" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 02 Nov 2022 06:15:37 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Wed, 2 Nov 2022 06:15:38 -0700 Received: from ROB-ULT-M18282.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Wed, 2 Nov 2022 06:15:36 -0700 From: Eugen Hristev To: , , , CC: , , Eugen Hristev Subject: [PATCH v11 6/6] media: microchip: microchip-isc: move media_pipeline_* to (un)prepare cb Date: Wed, 2 Nov 2022 15:15:00 +0200 Message-ID: <20221102131500.476024-7-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221102131500.476024-1-eugen.hristev@microchip.com> References: <20221102131500.476024-1-eugen.hristev@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Move the media_pipeline_start/stop calls from start/stop streaming to the new prepare_streaming and unprepare_streaming callbacks. Signed-off-by: Eugen Hristev --- .../platform/microchip/microchip-isc-base.c | 27 ++++++++++++------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/media/platform/microchip/microchip-isc-base.c b/drivers/media/platform/microchip/microchip-isc-base.c index 00651c313e9d..eed96e2a6a00 100644 --- a/drivers/media/platform/microchip/microchip-isc-base.c +++ b/drivers/media/platform/microchip/microchip-isc-base.c @@ -328,6 +328,13 @@ static int isc_configure(struct isc_device *isc) return isc_update_profile(isc); } +static int isc_prepare_streaming(struct vb2_queue *vq) +{ + struct isc_device *isc = vb2_get_drv_priv(vq); + + return media_pipeline_start(isc->video_dev.entity.pads, &isc->mpipe); +} + static int isc_start_streaming(struct vb2_queue *vq, unsigned int count) { struct isc_device *isc = vb2_get_drv_priv(vq); @@ -336,10 +343,6 @@ static int isc_start_streaming(struct vb2_queue *vq, unsigned int count) unsigned long flags; int ret; - ret = media_pipeline_start(isc->video_dev.entity.pads, &isc->mpipe); - if (ret) - goto err_pipeline_start; - /* Enable stream on the sub device */ ret = v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 1); if (ret && ret != -ENOIOCTLCMD) { @@ -389,9 +392,6 @@ static int isc_start_streaming(struct vb2_queue *vq, unsigned int count) v4l2_subdev_call(isc->current_subdev->sd, video, s_stream, 0); err_start_stream: - media_pipeline_stop(isc->video_dev.entity.pads); - -err_pipeline_start: spin_lock_irqsave(&isc->dma_queue_lock, flags); list_for_each_entry(buf, &isc->dma_queue, list) vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); @@ -401,6 +401,14 @@ static int isc_start_streaming(struct vb2_queue *vq, unsigned int count) return ret; } +static void isc_unprepare_streaming(struct vb2_queue *vq) +{ + struct isc_device *isc = vb2_get_drv_priv(vq); + + /* Stop media pipeline */ + media_pipeline_stop(isc->video_dev.entity.pads); +} + static void isc_stop_streaming(struct vb2_queue *vq) { struct isc_device *isc = vb2_get_drv_priv(vq); @@ -430,9 +438,6 @@ static void isc_stop_streaming(struct vb2_queue *vq) if (ret && ret != -ENOIOCTLCMD) v4l2_err(&isc->v4l2_dev, "stream off failed in subdev\n"); - /* Stop media pipeline */ - media_pipeline_stop(isc->video_dev.entity.pads); - /* Release all active buffers */ spin_lock_irqsave(&isc->dma_queue_lock, flags); if (unlikely(isc->cur_frm)) { @@ -472,6 +477,8 @@ static const struct vb2_ops isc_vb2_ops = { .start_streaming = isc_start_streaming, .stop_streaming = isc_stop_streaming, .buf_queue = isc_buffer_queue, + .prepare_streaming = isc_prepare_streaming, + .unprepare_streaming = isc_unprepare_streaming, }; static int isc_querycap(struct file *file, void *priv,