From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 C344B11713; Fri, 28 Nov 2025 20:15:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764360960; cv=none; b=kGyk8hhp9yxKuhDNWH4uUFzKO33vBjVbO5MS1NVZfcONJpJGmtKJYmNUcQ6bsKvEhVwSz1DTMlfwm9xJVxeGM99CqzfD+lmKO3ZRm5MYB1n93P8ySLHvp/qJOdYhdvCUOzE0MyXunkeYP5V2sJkPtx1qyg7vBH3hoqzb6VX0PCg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764360960; c=relaxed/simple; bh=tijqk1SwZ5bxvn8qH8T9pHBsKGq5sQEuXYqOwAKy5oI=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=f4sxmMHIybNI9uVfejKBMQdOQhbnV2IkNcAKmhWXNnYBehsT59AWB0RT5JKM7MVFR5yJ93XYhX/benGIdqKoLwhof6wTxB9jVviI9mLCBTAN9GJ55uNFvpEArl6ISNAuvF08f98DwoLpCjQ7iG9YGk/ptPK1ETfcYak3vJHTxaA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=GRq+hkO8; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="GRq+hkO8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1764360956; bh=tijqk1SwZ5bxvn8qH8T9pHBsKGq5sQEuXYqOwAKy5oI=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=GRq+hkO8SPGQvXv9PRernt7jaxsGpZHLnxNtWzQZZXHmbfxrqMGu/wi9KPYKuhOti nQQ/b0L+d19sjnXNeIDI9aTcvRoyDvkgEWzo5JkL/DqZi7Fa4SXz+/51G3JsIs0cwy vuztcF805Q3fdocbP5JIgOuLb2SKvGmOVG8hpeDG03iAPkNf2rKgMgl5Vr++3M5cyH oR7XteCVS2eDt6R5F7P7Kb3h2XPAzIxkBslVhznBw3b5rQ9Ap3wedy8zBTh14A+CDp bCvjsKv8jmhvfHS9umKm3HmxJl3zf0bJ1h2w1YsTyZ/BUQgdxeUQhCiAVjt141VLgS kz7tIy8c1eNGA== Received: from [IPv6:2606:6d00:17:7b4b::c41] (unknown [IPv6:2606:6d00:17:7b4b::c41]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: nicolas) by bali.collaboradmins.com (Postfix) with ESMTPSA id E113717E10F2; Fri, 28 Nov 2025 21:15:54 +0100 (CET) Message-ID: Subject: Re: [PATCH v2 09/14] media: mediatek: vcodec: support 36bit iova address From: Nicolas Dufresne To: Yunfei Dong , =?ISO-8859-1?Q?N=EDcolas?= "F . R . A . Prado" , Sebastian Fricke , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Nathan Hebert , Daniel Almeida Cc: Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com Date: Fri, 28 Nov 2025 15:15:54 -0500 In-Reply-To: <20250815085232.30240-10-yunfei.dong@mediatek.com> References: <20250815085232.30240-1-yunfei.dong@mediatek.com> <20250815085232.30240-10-yunfei.dong@mediatek.com> Autocrypt: addr=nicolas.dufresne@collabora.com; prefer-encrypt=mutual; keydata=mDMEaCN2ixYJKwYBBAHaRw8BAQdAM0EHepTful3JOIzcPv6ekHOenE1u0vDG1gdHFrChD /e0J05pY29sYXMgRHVmcmVzbmUgPG5pY29sYXNAbmR1ZnJlc25lLmNhPoicBBMWCgBEAhsDBQsJCA cCAiICBhUKCQgLAgQWAgMBAh4HAheABQkJZfd1FiEE7w1SgRXEw8IaBG8S2UGUUSlgcvQFAmibrjo CGQEACgkQ2UGUUSlgcvQlQwD/RjpU1SZYcKG6pnfnQ8ivgtTkGDRUJ8gP3fK7+XUjRNIA/iXfhXMN abIWxO2oCXKf3TdD7aQ4070KO6zSxIcxgNQFtDFOaWNvbGFzIER1ZnJlc25lIDxuaWNvbGFzLmR1Z nJlc25lQGNvbGxhYm9yYS5jb20+iJkEExYKAEECGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4 AWIQTvDVKBFcTDwhoEbxLZQZRRKWBy9AUCaCyyxgUJCWX3dQAKCRDZQZRRKWBy9ARJAP96pFmLffZ smBUpkyVBfFAf+zq6BJt769R0al3kHvUKdgD9G7KAHuioxD2v6SX7idpIazjzx8b8rfzwTWyOQWHC AAS0LU5pY29sYXMgRHVmcmVzbmUgPG5pY29sYXMuZHVmcmVzbmVAZ21haWwuY29tPoiZBBMWCgBBF iEE7w1SgRXEw8IaBG8S2UGUUSlgcvQFAmibrGYCGwMFCQll93UFCwkIBwICIgIGFQoJCAsCBBYCAw ECHgcCF4AACgkQ2UGUUSlgcvRObgD/YnQjfi4+L8f4fI7p1pPMTwRTcaRdy6aqkKEmKsCArzQBAK8 bRLv9QjuqsE6oQZra/RB4widZPvphs78H0P6NmpIJ Organization: Collabora Canada Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-thBz/iwZlQW4U2Ltb8Ko" User-Agent: Evolution 3.58.1 (3.58.1-1.fc43) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 --=-thBz/iwZlQW4U2Ltb8Ko Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Le vendredi 15 ao=C3=BBt 2025 =C3=A0 16:52 +0800, Yunfei Dong a =C3=A9crit= =C2=A0: > Need to set dma mask to support 36bit iova address for decoder > hardware can use 36bit address to decode for mt8196. >=20 > Signed-off-by: Yunfei Dong Reviewed-by: Nicolas Dufresne > --- > =C2=A0.../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c=C2=A0 | 7= +++++++ > =C2=A01 file changed, 7 insertions(+) >=20 > 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 5e312f86e652..fabf969bc8a9 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 > @@ -388,6 +388,13 @@ static int mtk_vcodec_probe(struct platform_device *= pdev) > =C2=A0 return -ENODEV; > =C2=A0 } > =C2=A0 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; > + } > + } > =C2=A0 > =C2=A0 dev->fw_handler =3D mtk_vcodec_fw_select(dev, fw_type, DECODER); > =C2=A0 if (IS_ERR(dev->fw_handler)) --=-thBz/iwZlQW4U2Ltb8Ko Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTvDVKBFcTDwhoEbxLZQZRRKWBy9AUCaSoC+gAKCRDZQZRRKWBy 9MWeAP9bms+OEuXx0/zByWXdLoqIcrAg52K7Bkxw4ELtyazPgAD/Q/SMeE46e+5k deihZkXdITQz+uU235vgPhd7WpH8kA8= =mp0X -----END PGP SIGNATURE----- --=-thBz/iwZlQW4U2Ltb8Ko--