From nobody Sun Feb 8 06:55:58 2026 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (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 066C93491C7; Fri, 23 Jan 2026 03:17:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769138273; cv=none; b=k5r7I3kRkHUT66qgIYGR7QpuNmfscAlAIVsJgkFv+md9JjIfXdKO7cCLzULgG3w9DQ8o4CEwd7D8zQjHmClTGImWUb8W5OqwSyHYro237ypI3ZhBucWuEhEnkg0taOlIU/NiNLvYYOdkEAl818KRIsbjTOqrGkkDa7NRU98FpOI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769138273; c=relaxed/simple; bh=zfD2PX1b8W8KFBfMWZ4TCGVXtMMD2EceMlQo0LKvUmg=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=l6R3FXBXdNLhB5AzF0GnRWgmcoFeOYy5N1//A0IFkm3EYIeiPxW1tYGOH+IZ6lrVVQ/D8dB27aE8Ci1BscecwkkzJRO+jHV6DFpMrD3k9VOBzSfL6b9TXUHyaGYlbqNko+rynl2sgG5EgViZ7rknJj7seNQOBYjquJzL5PZ9INo= 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=l+AYoylF; arc=none smtp.client-ip=60.244.123.138 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="l+AYoylF" X-UUID: 092d2686f80a11f085319dbc3099e8fb-20260123 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=fsTns3WQ4nSeIeb/7kUbwa4+ZRn9tqQuE2VsPj7ffRQ=; b=l+AYoylFlxqJ1HOrtFV2g8AcGaUomSfag3qfkk3uDD94itwxpPo+1vmSeDvVSPsfp+BBE3HUpIAbrTgpLbf84AYACn8TJ9jUt/OnWLxblSQkHSz+juk7dMy89mT2gpeLrWmGO/6wTV4eZpnHgP5r+B91+mHdvu45DsQL4pFQz6U=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.11,REQID:b2727820-f94a-4249-b44b-8a7cd69861af,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:89c9d04,CLOUDID:ff09755a-a957-4259-bcca-d3af718d7034,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:-3,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: 092d2686f80a11f085319dbc3099e8fb-20260123 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 496935944; Fri, 23 Jan 2026 11:17:23 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) 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; Fri, 23 Jan 2026 11:17:22 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Fri, 23 Jan 2026 11:17:21 +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 v12 03/12] media: mediatek: jpeg: fix buffer structure size and layout Date: Fri, 23 Jan 2026 11:17:04 +0800 Message-ID: <20260123031713.14621-4-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20260123031713.14621-1-kyrie.wu@mediatek.com> References: <20260123031713.14621-1-kyrie.wu@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Content-Type: text/plain; charset="utf-8" Updates the `buf_struct_size` in the JPEG driver to use the correct structure `mtk_jpeg_src_buf` instead of `v4l2_m2m_buffer`, ensuring proper handling of source buffers. The previous buffer size led to mismatches and potential issues during video buffer handling. Moves `frame_num` in the `mtk_jpeg_src_buf` structure to align with other members appropriately. The first field of the driver-specific buffer structure must be the subsystem-specificstruct (vb2_v4l2_buffer in the case of V4L2). Fixes: 5fb1c2361e56 ("mtk-jpegenc: add jpeg encode worker interface") Signed-off-by: Kyrie Wu Reviewed-by: Nicolas Dufresne --- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 2 +- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers= /media/platform/mediatek/jpeg/mtk_jpeg_core.c index 504b3d40b137..d2ed8a5dadd7 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1092,7 +1092,7 @@ static int mtk_jpeg_queue_init(void *priv, struct vb2= _queue *src_vq, dst_vq->type =3D V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; dst_vq->io_modes =3D VB2_DMABUF | VB2_MMAP; dst_vq->drv_priv =3D ctx; - dst_vq->buf_struct_size =3D sizeof(struct v4l2_m2m_buffer); + dst_vq->buf_struct_size =3D sizeof(struct mtk_jpeg_src_buf); dst_vq->ops =3D jpeg->variant->qops; dst_vq->mem_ops =3D &vb2_dma_contig_memops; dst_vq->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_COPY; diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers= /media/platform/mediatek/jpeg/mtk_jpeg_core.h index 6be5cf30dea1..148fd41759b7 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -85,10 +85,10 @@ struct mtk_jpeg_variant { }; =20 struct mtk_jpeg_src_buf { - u32 frame_num; struct vb2_v4l2_buffer b; struct list_head list; u32 bs_size; + u32 frame_num; struct mtk_jpeg_dec_param dec_param; =20 struct mtk_jpeg_ctx *curr_ctx; --=20 2.45.2