From nobody Thu Apr 2 15:38:59 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 1C68D33BBD9; Sat, 28 Mar 2026 05:16:48 +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=1774675011; cv=none; b=X67hJYjJy45TuEOTYHYUfFBiAzDhvQxRWSZTCQE7exQy0324bY7BoDnznz0KIxXBdYLisN5M6YqzX1vAuIRaTqwsG60Q2Ark8zHaTCu06MW++qEI0clGvGfLAXwA2/vGYmrqh+JmSrC5Ku8+ztHV7l4JWEmN6X39/E6Yy5mSqZc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774675011; c=relaxed/simple; bh=X0A0IfiCMkITucYdxq4S9HFX1rjk5tEh5vjEb23MTYA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=D3ON+4lLww43xcS8FKsxOrvSa2NRQ/OTnR39ZnwcL3+g6srAqq79comq/YGHdJ8Zstt55oZSUp9qVkCAg3XdUCxfGhdsUFYq/S4tHaKQkWNmvDA5NllNEFewaeyfuR595nvafJM30N+/gq4KcZNS6wdpy2TnXgc/vOOtCde3aPM= 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=ZgRutXrV; 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="ZgRutXrV" X-UUID: 4e5d28042a6511f19a16598d5ca7f8ec-20260328 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:CC:To:From; bh=Q4eUof22O6BqjKH0AHihlBroDPXYy77bvyIzCyKQjWk=; b=ZgRutXrVgLVQ31Fhfq8zhjLLEo2uTBsBG4P6NZFxA70E30i0u14ogRwfPXqfOwX3VQ1Iv8aBvMfpqevx9QqAUlHvxaL2dCndkxUQuVbjCDj1F0FQ2JKZi7XWMlBZ+RE6Er5llISd9qVht09CoEugf5GmXy4ZFzXdEtSf8Gn7zbA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:fc4c53ba-b08f-4502-8c08-7ad354b8d321,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:e7bac3a,CLOUDID:ecee3e3f-41ee-42eb-90dd-1068410e1f48,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: 4e5d28042a6511f19a16598d5ca7f8ec-20260328 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 942796710; Sat, 28 Mar 2026 13:16:41 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N2.mediatek.inc (172.21.101.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Sat, 28 Mar 2026 13:16:41 +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; Sat, 28 Mar 2026 13:16:40 +0800 From: Yunfei Dong To: =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , Sebastian Fricke , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Nathan Hebert , Daniel Almeida CC: Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , Yunfei Dong , , , , , , Subject: [PATCH v4 07/14] media: mediatek: vcodec: support 36bit iova address Date: Sat, 28 Mar 2026 13:16:17 +0800 Message-ID: <20260328051630.7937-8-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20260328051630.7937-1-yunfei.dong@mediatek.com> References: <20260328051630.7937-1-yunfei.dong@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" Need to set dma mask to support 36bit iova address for decoder hardware can use 36bit address to decode for mt8196. Signed-off-by: Yunfei Dong Reviewed-by: Nicolas Dufresne --- .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_= drv.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c index d220b645e455..5a748a60b453 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c @@ -387,6 +387,13 @@ static int mtk_vcodec_probe(struct platform_device *pd= ev) return -ENODEV; } dma_set_max_seg_size(&pdev->dev, UINT_MAX); + if (dev->chip_name =3D=3D MTK_VDEC_MT8196) { + ret =3D dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36)); + if (ret) { + dev_err(&pdev->dev, "Failed to enable 36-bit DMA: %d\n", ret); + return ret; + } + } =20 dev->fw_handler =3D mtk_vcodec_fw_select(dev, fw_type, DECODER); if (IS_ERR(dev->fw_handler)) --=20 2.45.2