From patchwork Mon Nov 2 17:14:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 11874627 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8A83492C for ; Mon, 2 Nov 2020 17:14:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C3EF21D91 for ; Mon, 2 Nov 2020 17:14:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="Ow6RO9Rq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727474AbgKBROk (ORCPT ); Mon, 2 Nov 2020 12:14:40 -0500 Received: from z5.mailgun.us ([104.130.96.5]:17191 "EHLO z5.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727452AbgKBROk (ORCPT ); Mon, 2 Nov 2020 12:14:40 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1604337280; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=oCS6rrjus9PAM663x7+ECmgucjExZnYZnUqtOqwzQxQ=; b=Ow6RO9RqhiiW4/e4FHwbC1AScBUWoEnKukRzCk+dU8XFgwgNHqGBL7BZ7s9nUOFEqcTaln6Q fDtxZqKl4zpH4Lrv6UzBpY1vgvF3meBDDqLhGxGVOM6Kye7h+O6G4gfMgx9QlhfdweDUvgIu ZDKR/YUv1eloOBtppHhMrL/OR+4= X-Mailgun-Sending-Ip: 104.130.96.5 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n03.prod.us-west-2.postgun.com with SMTP id 5fa03e80875877e3ed96699f (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 02 Nov 2020 17:14:40 GMT Sender: jcrouse=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 011ACC433C6; Mon, 2 Nov 2020 17:14:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00,SPF_FAIL, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from jordan-laptop.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse) by smtp.codeaurora.org (Postfix) with ESMTPSA id A9103C433FF; Mon, 2 Nov 2020 17:14:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A9103C433FF Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=jcrouse@codeaurora.org From: Jordan Crouse To: linux-arm-msm@vger.kernel.org Cc: iommu@lists.linux-foundation.org, Will Deacon , Robin Murphy , Rob Clark , Bjorn Andersson , Andy Gross , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v18 4/4] arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU Date: Mon, 2 Nov 2020 10:14:16 -0700 Message-Id: <20201102171416.654337-5-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201102171416.654337-1-jcrouse@codeaurora.org> References: <20201102171416.654337-1-jcrouse@codeaurora.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 Reviewed-by: Bjorn Andersson --- 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 40e8c11f23ab..0508e86140bd 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -4103,7 +4103,7 @@ 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>;