From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C57BB3E5ED6; Thu, 23 Apr 2026 09:47:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776937637; cv=none; b=mzOxIeBsFo8qYV+qnHBHk3OaEij6dlm+WDsw2YwjYgv2sa7k+DMHth4HuWAFE3MbT65u0znOwoh8gG/NUOiHcW/+7HACEispDFVbu06n/Y75QNSW89NM/FvKfGjxGkcfooi45jo28aqGfbByOOHaGzRXwnlbW2ikHvK2m3dVN90= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776937637; c=relaxed/simple; bh=1Ylvsf6L/fPPwMOKHfrlAeXYv+eGQMSzOMvz+HSzCrw=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kLdQUsxjEIm0p5JOLM9uxk3cdbQvXv+vvdr1EziAW7cf67AFCQD9NECZKd3Sc6bQVUVkPmpnaMzo9O2QS7q9sW6qfo6jEetxoatZwtGY0gdyEFdPjqM3d3c435fW5JxYZmMrNAGPVfAZbH+66roK+yCJ6wdJLCABvD4BXCTjSUk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=GkgWOMDE; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="GkgWOMDE" X-UUID: 635db5683ef911f19a16598d5ca7f8ec-20260423 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From; bh=uTBXwuHcKDtg3GVJur0+WmjyNjN36KouHB+B4PWNBys=; b=GkgWOMDEejL30UnQe4r/ByLx+RqrvMqeEjbcQLhuafzupd13V9GjplctHs9dDxRmDfgimSHYnyTXvKCJY4jVb9MWmnzSUpLU3lBveHML6PCjxIQXoU5oNfV0tHk7h8/IcJxIviZgFEusA/udyWb8vEcx3z4DNWnjgZviTwuExmE=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:8beb4ac4-318e-4032-9fd3-cdfc415cd44e,IP:0,U RL:0,TC:0,Content:0,EDM:-25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:e7bac3a,CLOUDID:c595cb8f-6df4-4a3d-a7a4-fbdc42d669ce,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|865|888|898,TC:-5,Cont ent:0|15|50,EDM:2,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0, OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 635db5683ef911f19a16598d5ca7f8ec-20260423 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1723574798; Thu, 23 Apr 2026 17:47:06 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Thu, 23 Apr 2026 17:47:04 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Thu, 23 Apr 2026 17:47:04 +0800 From: Kyrie Wu To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Nicolas Dufresne , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Kyrie Wu , , , , , Subject: [PATCH v14 04/12] media: mediatek: jpeg: Fix buffer completion on multi-core streaming stop Date: Thu, 23 Apr 2026 17:46:48 +0800 Message-ID: <20260423094656.32044-5-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20260423094656.32044-1-kyrie.wu@mediatek.com> References: <20260423094656.32044-1-kyrie.wu@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N Enhances the Mediatek JPEG driver's stability and reliability by ensuring that all queued buffers are processed before stopping the streaming in multi-core environments. It introduces a call to `vb2_wait_for_all_buffers()` in the `mtk_jpeg_enc_stop_streaming()` and `mtk_jpeg_dec_stop_streaming()` functions when the `multi_core` variant is enabled. This change ensures that no buffers are left unprocessed, preventing potential data loss or corruption during multi-core flow. Fixes: 0fa49df4222f ("media: mtk-jpegdec: support jpegdec multi-hardware") Fixes: dedc21500334 ("media: mtk-jpegdec: add jpeg decode worker interface") Fixes: 934e8bccac95 ("mtk-jpegenc: support jpegenc multi-hardware") Fixes: 5fb1c2361e56 ("mtk-jpegenc: add jpeg encode worker interface") Signed-off-by: Kyrie Wu --- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index ef7362feb697..6e5de2680e3a 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -850,8 +850,12 @@ static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx, static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); + struct mtk_jpeg_dev *jpeg = ctx->jpeg; struct vb2_v4l2_buffer *vb; + if (jpeg->variant->multi_core) + vb2_wait_for_all_buffers(q); + while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR); } @@ -859,6 +863,7 @@ static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q) static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); + struct mtk_jpeg_dev *jpeg = ctx->jpeg; struct vb2_v4l2_buffer *vb; /* @@ -866,6 +871,9 @@ static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q) * Before STREAMOFF, we still have to return the old resolution and * subsampling. Update capture queue when the stream is off. */ + if (jpeg->variant->multi_core) + vb2_wait_for_all_buffers(q); + if (ctx->state == MTK_JPEG_SOURCE_CHANGE && V4L2_TYPE_IS_CAPTURE(q->type)) { struct mtk_jpeg_src_buf *src_buf; -- 2.45.2