From nobody Fri Dec 19 16:44:56 2025 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 81F281FE461; Sat, 15 Feb 2025 23:55:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739663719; cv=pass; b=LcixMskgDJf7mKs8RtmwhZlGM3otrhJJ1/pn6fdWHq8BzzqSJFg44hZy9ZRVH2srqlNeqqIAd7SREYjZJYOmET6NyMOUmsZy21c1xt0l/oEjbxBrrLKB3xpHoRfy+XZhJHM7c5tGGX3Py9vEoSXKfJceg4L4KfvA0wq0IWJSyEI= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739663719; c=relaxed/simple; bh=wHJhwOeaSpNNbgCYMkjjG1GNlz5YxerPhIo6B14rw9E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Pg324PDkABlBH2FMWEPK4aJgEdiwuo/Mlzrx5v6gEuKiFQoP3QXdkwkhkOc3/15rauH8gq23kh2XvMe4alYOwMpFeZgrR1wpt/ZanftTu6jaPf3Y9MtLqTyxfb/TJWdlBQ5VE8Vi/G0TN+JB7qwvGtW3pzlqfplIM2n+f/Ybq00= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b=Si9LycLk; arc=pass smtp.client-ip=136.143.188.112 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 (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b="Si9LycLk" ARC-Seal: i=1; a=rsa-sha256; t=1739663696; cv=none; d=zohomail.com; s=zohoarc; b=gLhnrwRSLi5R7ujJmVzMeXJmPP8k8tkWee4mL7go0EbBbOrUGumzNeFaAHB8340uQOwV/JO5TvRtQvIPCk2z27ZpVLlXIr6yeYUm9jfKRwsLg0K7W3pjVIWp1N8cr422X5kPuqYapwedZgbrJijGQoj8QX0MB7mJrU6zJgQip6Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1739663696; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=oCI25TPhy4Id7iRyjm7K0b1dudwW2Ibox3w9+UV2UCs=; b=cTm0yelkmBY4uupScKR8q6FfLKheJWmHHb/Nzs0dW93VdNfa7PhAUjY6rhoWwCmyb55by7XbBkOVAatYK+h9xZ2FRwPxBqtHyRA+NyQ5Q5GXGtSuLN37ajI5Oy6wCHdcgvy1xxodGD37Prdo1hRKIOxgYHtbPQ2mw/hMB0roNNQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1739663696; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=oCI25TPhy4Id7iRyjm7K0b1dudwW2Ibox3w9+UV2UCs=; b=Si9LycLkUtDucdpOcJ/0DnsD9jaQx+sTn83slTa5IcmbpMjAAie5J3XlhuuXWF6I 6glwzBB+8ZWm3Waf6nwCKqrbQERL1kCP7BvjFNxr5hjhdXx2y4SMAy0Uj2Sj/PNZwrK rXFmUyVMw1bKiYvc+RWgSNlW2/mLi69G/glZElZM= Received: by mx.zohomail.com with SMTPS id 1739663695195447.98223907006513; Sat, 15 Feb 2025 15:54:55 -0800 (PST) From: Dmitry Osipenko To: Heiko Stuebner , Marc Zyngier Cc: Rob Herring , Krzysztof Kozlowski , Thomas Gleixner , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Kever Yang , XiaoDong Huang , Peter Geis , Robin Murphy , kernel@collabora.com Subject: [PATCH v1 4/4] arm64: dts: rockchip: rk356x: Move PCIe MSI to use GIC ITS instead of MBI Date: Sun, 16 Feb 2025 02:54:31 +0300 Message-ID: <20250215235431.143138-5-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250215235431.143138-1-dmitry.osipenko@collabora.com> References: <20250215235431.143138-1-dmitry.osipenko@collabora.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-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" Rockchip 356x device-tree now supports GIC ITS. Move PCIe controller's MSI to use ITS instead of MBI. This removes extra CPU overhead of handling PCIe MBIs by letting GIC's ITS to serve the PCIe MSIs. Signed-off-by: Dmitry Osipenko --- arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boo= t/dts/rockchip/rk356x-base.dtsi index 423185686600..4f11141ea146 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi @@ -969,7 +969,7 @@ pcie2x1: pcie@fe260000 { num-ib-windows =3D <6>; num-ob-windows =3D <2>; max-link-speed =3D <2>; - msi-map =3D <0x0 &gic 0x0 0x1000>; + msi-map =3D <0x0 &its 0x0 0x1000>; num-lanes =3D <1>; phys =3D <&combphy2 PHY_TYPE_PCIE>; phy-names =3D "pcie-phy"; --=20 2.48.1