From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33840C433E2 for ; Tue, 1 Sep 2020 16:47:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 07DA52067C for ; Tue, 1 Sep 2020 16:47:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="d2/URyDw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730298AbgIAQrx (ORCPT ); Tue, 1 Sep 2020 12:47:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732292AbgIAQrl (ORCPT ); Tue, 1 Sep 2020 12:47:41 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1E17C061244; Tue, 1 Sep 2020 09:47:40 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id y6so811561plk.10; Tue, 01 Sep 2020 09:47:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VJrx+AWRDEEJgr3DuJf5FGtuFm676MmhtRSCNhrUo5I=; b=d2/URyDwjchuggwTyHw8d/OgnYrxNo2olK6OBqsGffjs9tubNZacMeAts3N4QEfxw8 5Q6mP/Io1kZ6ShbzKsdMp66CaPux8VHjQyV2cKCN9Xa0KLS+9ZSDrVarpGKC172y1hw6 AfTeVgZ0r3PwraILILQvgL8q68+6/C3O3c2itMcUplLuX4Uw8as90AeNj4yxr2mng2/D U9PHtA6MttoyqkO7LLkNGz6fP5ePa4dmCRHpzecQ94K0BOVx9z2rfL9ZetZaMKGMMvxC zICl0CqJ2zk04r8CDOMEUTsvAtNeEM+44tgYS4vy503g6QOoJCmAH7g2srag0k4AM47h dE9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VJrx+AWRDEEJgr3DuJf5FGtuFm676MmhtRSCNhrUo5I=; b=RiPcsywsMm5UNbp2o2m6BwzxSrDC7f0S+50/i1g5k4Jze5MHWM1mmNDRGAEUPW7+UK zSKw0CzGYdU6OLFQ1kVrXUQUCiK3KuFEYV4ky2VsAFT6lhoxvQjmahtWkSm+1t9/G7wK kktijdDri/Sy3v8YrXybqzyOkRXeJjSXByvfgHhmsogo6Z9vRlISfsj/YDFHEjcZa8Mn Ka09NgT6XDEIi6RpGWdXbtHSd7hi6CZEka6v5EkLcXwKxMoozejEt4ObRo3yUs7bgSmk Y/iLkSIM43SQsnOURQ8VlGNb/u4NJXA0WJhB28njTCnV5W5bAOlPIM3SiEeJWm0ttbah j6Jg== X-Gm-Message-State: AOAM532BxClB/cRx0KIja6eUebGp033Qzf9RhGwGuf2WfydbzAM4Rn/O 1mWlZoxVe1yVZgDwpBiic1Q= X-Google-Smtp-Source: ABdhPJxfV0FiOo9Kg84TzFlg6WinbO0JkLmr3QdQ0ZPhheez1khfYC5+K4MYQGR60MpSKWKBwCPGmQ== X-Received: by 2002:a17:90a:718c:: with SMTP id i12mr2397826pjk.101.1598978860386; Tue, 01 Sep 2020 09:47:40 -0700 (PDT) Received: from localhost ([2601:1c0:5200:a6:307:a401:7b76:c6e5]) by smtp.gmail.com with ESMTPSA id k4sm2755950pfp.189.2020.09.01.09.47.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2020 09:47:39 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org, Will Deacon , Robin Murphy Cc: Bjorn Andersson , Sibi Sankar , Vivek Gautam , Stephen Boyd , Akhil P Oommen , Jordan Crouse , Rob Clark , Andy Gross , Rob Herring , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v16 19/20] arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU Date: Tue, 1 Sep 2020 09:46:36 -0700 Message-Id: <20200901164707.2645413-20-robdclark@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200901164707.2645413-1-robdclark@gmail.com> References: <20200901164707.2645413-1-robdclark@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jordan Crouse Set the qcom,adreno-smmu compatible string for the GPU SMMU to enable split pagetables and per-instance pagetables for drm/msm. Signed-off-by: Jordan Crouse Signed-off-by: Rob Clark --- arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 9 +++++++++ arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi index 64fc1bfd66fa..39f23cdcbd02 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi @@ -633,6 +633,15 @@ &mdss_mdp { status = "okay"; }; +/* + * Cheza fw does not properly program the GPU aperture to allow the + * GPU to update the SMMU pagetables for context switches. Work + * around this by dropping the "qcom,adreno-smmu" compat string. + */ +&adreno_smmu { + compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2"; +}; + &mss_pil { iommus = <&apps_smmu 0x781 0x0>, <&apps_smmu 0x724 0x3>; diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 2884577dcb77..76a8a34640ae 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -4058,7 +4058,7 @@ opp-257000000 { }; adreno_smmu: iommu@5040000 { - compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2"; + compatible = "qcom,sdm845-smmu-v2", "qcom,adreno-smmu", "qcom,smmu-v2"; reg = <0 0x5040000 0 0x10000>; #iommu-cells = <1>; #global-interrupts = <2>; -- 2.26.2