From patchwork Tue Mar 1 16:14:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Perttunen X-Patchwork-Id: 547332 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F051CC433EF for ; Tue, 1 Mar 2022 16:15:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236087AbiCAQQV (ORCPT ); Tue, 1 Mar 2022 11:16:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231574AbiCAQQS (ORCPT ); Tue, 1 Mar 2022 11:16:18 -0500 Received: from mail.kapsi.fi (mail.kapsi.fi [IPv6:2001:67c:1be8::25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BED790FF4; Tue, 1 Mar 2022 08:15:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kapsi.fi; s=20161220; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=SOhCWnsi2t3D4LR/n4Y2cxYT8gNTWo6B/sYLLWbarWo=; b=ry96fM4P0DbDps0nXx+7kN0lsK SEheXJV/7qe1CsqlvLm/jUgoVQJGHO7vA8zlkuWWyiBDeSovU9D8T2w8+SrkA8Ab38BuMg1vqpemv 2U7BbJbP6j8x74bKmgZLtFegmFH54mdFL23HlVWAPyRuu5BuO+4scr+zhQa1EONWi9udf5TfAVlY+ PVumDecXngxzXdaYhu8CGdKU2TqFDly2FA7b1TDaLxXgcW/c6wUNrA4fx0imolqVj617Z9tpEzacE FLEhVZ9V6Q/JwXk//mXgEEUgnrMyfcUi3NwdBrxTRaz+0fBSu8Grj4WWMjQIdwjqcGNu5bAqnfGWt dCqaEkKg==; Received: from 91-158-25-70.elisa-laajakaista.fi ([91.158.25.70] helo=toshino.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1nP59r-0003Z8-3Y; Tue, 01 Mar 2022 18:15:27 +0200 From: cyndis@kapsi.fi To: thierry.reding@gmail.com, jonathanh@nvidia.com, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, robh+dt@kernel.org, krzysztof.kozlowski@canonical.com Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Mikko Perttunen Subject: [PATCH v4 6/9] arm64: tegra: Add Host1x context stream IDs on Tegra186+ Date: Tue, 1 Mar 2022 18:14:52 +0200 Message-Id: <20220301161455.4037062-7-cyndis@kapsi.fi> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20220301161455.4037062-1-cyndis@kapsi.fi> References: <20220301161455.4037062-1-cyndis@kapsi.fi> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 91.158.25.70 X-SA-Exim-Mail-From: cyndis@kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Mikko Perttunen Add Host1x context stream IDs on systems that support Host1x context isolation. Host1x and attached engines can use these stream IDs to allow isolation between memory used by different processes. The specified stream IDs must match those configured by the hypervisor, if one is present. Signed-off-by: Mikko Perttunen --- v2: * Added context devices on T194. * Use iommu-map instead of custom property. v4: * Remove memory-contexts subnode. --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 11 +++++++++++ arch/arm64/boot/dts/nvidia/tegra194.dtsi | 11 +++++++++++ 2 files changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index c91afff1b757..1b71cba0df06 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -1406,6 +1406,17 @@ host1x@13e00000 { iommus = <&smmu TEGRA186_SID_HOST1X>; + /* Context isolation domains */ + iommu-map = < + 0 &smmu TEGRA186_SID_HOST1X_CTX0 1 + 1 &smmu TEGRA186_SID_HOST1X_CTX1 1 + 2 &smmu TEGRA186_SID_HOST1X_CTX2 1 + 3 &smmu TEGRA186_SID_HOST1X_CTX3 1 + 4 &smmu TEGRA186_SID_HOST1X_CTX4 1 + 5 &smmu TEGRA186_SID_HOST1X_CTX5 1 + 6 &smmu TEGRA186_SID_HOST1X_CTX6 1 + 7 &smmu TEGRA186_SID_HOST1X_CTX7 1>; + dpaux1: dpaux@15040000 { compatible = "nvidia,tegra186-dpaux"; reg = <0x15040000 0x10000>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 2d48c3715fc6..eb0d2ba89cb1 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1686,6 +1686,17 @@ host1x@13e00000 { interconnect-names = "dma-mem"; iommus = <&smmu TEGRA194_SID_HOST1X>; + /* Context isolation domains */ + iommu-map = < + 0 &smmu TEGRA194_SID_HOST1X_CTX0 1 + 1 &smmu TEGRA194_SID_HOST1X_CTX1 1 + 2 &smmu TEGRA194_SID_HOST1X_CTX2 1 + 3 &smmu TEGRA194_SID_HOST1X_CTX3 1 + 4 &smmu TEGRA194_SID_HOST1X_CTX4 1 + 5 &smmu TEGRA194_SID_HOST1X_CTX5 1 + 6 &smmu TEGRA194_SID_HOST1X_CTX6 1 + 7 &smmu TEGRA194_SID_HOST1X_CTX7 1>; + nvdec@15140000 { compatible = "nvidia,tegra194-nvdec"; reg = <0x15140000 0x00040000>;