From nobody Mon Apr 6 09:11:40 2026 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 36C683859DF; Thu, 19 Mar 2026 02:22:08 +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=1773886931; cv=none; b=PInBP37zIsdJl9uA885uYhyn60BfKEiF2e23gCcV/glrKqlrlNlzwzX/InL9SkxPemcVBx5/xQcZbYp/Nsoo/B+2/Ut2YxN6iteUX6ec+St0XWqxzbBrxUbrCKr5UmXf+vVheIe5l49aNaCiO+D6yrBEzxbsmp4ZrPdSYb595uI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773886931; c=relaxed/simple; bh=N6EMugPXZrWtfJB/CsivOaop1NV3cF0fVilWfOv22KU=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LmAfWZj9t67ggrOUs7ugdrQKA3p1HJAj3wkd9/LwYj4SVotGagqHl1bKrcW0pQ7rfIFGtdWHAHgWm4lWj4jC978T2HUeYhqYCdQlO3Sh1WyTqxcfNm6U2lxwOiJQehMecqm4A0QHQhIbGzlpXFhAlCktq8GeKCgeIzBO+zgmB1g= 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=Io0L+XAU; 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="Io0L+XAU" X-UUID: 671ddb36233a11f1a39cd589f645bc18-20260319 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=1WPgTgGq2UCxmbynOz0ZLB4SJtWeIk3P2OCoGrLxqVU=; b=Io0L+XAUWtUQT2PHS4STIj3dY3uKyx+4m7h3yeM/CHJ/Y4MbQ4wk6INDV5sLMnFBkfnLQYtbknSponMR2NnY7vrLGsMhfhia+hEXursAuD/mg5AKNi8/fvc2nhctFGyfbUEy46Uq8rkUIu4neXuTeik8AZAjelB7iJ5ujQ3fWyk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:8ee8e305-a512-4e94-9f14-bc0d09a96500,IP:0,U RL:0,TC:0,Content:0,EDM:-20,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-20 X-CID-META: VersionHash:e7bac3a,CLOUDID:5a56f693-f8ef-4ca8-bea0-143568f9ca1d,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:1|19,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0,O SI: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: 671ddb36233a11f1a39cd589f645bc18-20260319 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 232955004; Thu, 19 Mar 2026 10:21:57 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Thu, 19 Mar 2026 10:21:56 +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; Thu, 19 Mar 2026 10:21:55 +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 v13 02/12] media: mediatek: jpeg: fix jpeg buffer payload size setting Date: Thu, 19 Mar 2026 10:21:41 +0800 Message-ID: <20260319022152.31313-3-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20260319022152.31313-1-kyrie.wu@mediatek.com> References: <20260319022152.31313-1-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" For multi-core jpegdec, if one core gets resolution change event, the payload size, representing the size of Y/C data, needs to change. But others are decoding at the same time and it can not be changed immediately, which results in the payload size to not match the real buffer length. The payload size must less than the real buffer length to remove the warnning logs. Fixes: 0fa49df4222f ("media: mtk-jpegdec: support jpegdec multi-hardware") Signed-off-by: Kyrie Wu --- .../platform/mediatek/jpeg/mtk_jpeg_core.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers= /media/platform/mediatek/jpeg/mtk_jpeg_core.c index ed93117f276e..f12e7dc073f3 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -702,6 +702,7 @@ static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb) struct mtk_jpeg_ctx *ctx =3D vb2_get_drv_priv(vb->vb2_queue); struct mtk_jpeg_q_data *q_data =3D NULL; struct v4l2_plane_pix_format plane_fmt =3D {}; + size_t max_size; int i; =20 q_data =3D mtk_jpeg_get_q_data(ctx, vb->vb2_queue->type); @@ -710,12 +711,20 @@ static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb) =20 for (i =3D 0; i < q_data->fmt->colplanes; i++) { plane_fmt =3D q_data->pix_mp.plane_fmt[i]; + max_size =3D plane_fmt.sizeimage; + if (ctx->enable_exif && - q_data->fmt->fourcc =3D=3D V4L2_PIX_FMT_JPEG) - vb2_set_plane_payload(vb, i, plane_fmt.sizeimage + - MTK_JPEG_MAX_EXIF_SIZE); - else - vb2_set_plane_payload(vb, i, plane_fmt.sizeimage); + q_data->fmt->fourcc =3D=3D V4L2_PIX_FMT_JPEG) { + max_size +=3D MTK_JPEG_MAX_EXIF_SIZE; + + vb2_set_plane_payload(vb, i, + MIN(vb->planes[i].length, + max_size)); + } else { + vb2_set_plane_payload(vb, i, + MIN(plane_fmt.sizeimage, + vb->planes[i].length)); + } } =20 return 0; --=20 2.45.2