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 3C9FF2512F5; Wed, 15 Oct 2025 08:45:55 +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=1760517957; cv=none; b=h0UtkW5Z+D6ZhKNFeYxYGpOe/32kEH83X99lzTogQzdpSgrFjEnL1CkbzhqYnaQwn7Adp58e3vETSUXlqE/dlxM7K9nbUUWx2FNPDQ3uiK2WenzErhJkW1vHk05+QRfYm14rYznSRzaCL9OBO88zz65ir8MtAgWUv7Rz8iUgYlo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760517957; c=relaxed/simple; bh=XOGY5weYjz0PiayCterLaiEnlsWjQtw9y9up2bDmOsg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SS4jm/hMWEBAQchuTwklpTNLK8JgFS72Y77V5oZ826NJd68WYDOfTZKBqA4q5tqvLm2J6LiRwDFH8pd6kO1mbJ/3xm/o5yMzOpwLL2bm1jBhgGV7G+k0Xzz0LNvc2YdQaQga/1zGHSfZWc2lCuEq8vEgqcmo/xTL/ywxJ7uJMic= 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=GjkGHF67; 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="GjkGHF67" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1760517953; bh=XOGY5weYjz0PiayCterLaiEnlsWjQtw9y9up2bDmOsg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=GjkGHF67ScAYrb7IvLKJvMSEUfi0mN2Xa/y5Rcfy4tOIUPekVBfiaLoo9l79yRkQb hetxLA6ID23ZEsfTHO5dEC6Oz2kJ+MTRfnVAWDPDwLeBpVjs3G6tJuj6B54BoUDkUe tF8YJZjguG24puC7gXYHH/yDij89WPu6z/TJhv1j1W1IrA+wpLR6XzGMJpCEyjgq3c A7dgr/Yv2Lf6n/cLaIOd4Fvu5N2E1GhcIvGwXy+QMszSNLJBguBkwUNKXT2P17Ibw/ arrU+qH+5cMN9Nbs5XeVuFs8T4c3h8MBUnnfExI+AauUjTFw7CamhW2jebZaLckFB2 xTjl8zWTjlhtQ== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id DAAD517E1340; Wed, 15 Oct 2025 10:45:52 +0200 (CEST) Message-ID: <02c98be4-6baa-42e0-a226-506a817c83e9@collabora.com> Date: Wed, 15 Oct 2025 10:45:52 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/5] iommu/mediatek: Add a flag DL_WITH_MULTI_LARB To: Zhengnan Chen , Yong Wu , Joerg Roedel , Will Deacon , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger Cc: iommu@lists.linux.dev, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20251015032509.5057-1-zhengnan.chen@mediatek.com> <20251015032509.5057-3-zhengnan.chen@mediatek.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20251015032509.5057-3-zhengnan.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 15/10/25 05:24, Zhengnan Chen ha scritto: > Add DL_WITH_MULTI_LARB flag to support the HW which connect with > multiple larbs. Prepare for mt8189. In mt8189, the display connect > with larb1 and larb2 at the same time. Thus, we should add link > between disp-dev with these two larbs. > > Signed-off-by: Zhengnan Chen > Reviewed-by: Matthias Brugger > Reviewed-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno