From patchwork Tue May 9 16:37:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 13235946 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 470D4C7EE22 for ; Tue, 9 May 2023 16:37:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232313AbjEIQhW (ORCPT ); Tue, 9 May 2023 12:37:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231228AbjEIQhU (ORCPT ); Tue, 9 May 2023 12:37:20 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7507240C9; Tue, 9 May 2023 09:37:18 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-643bb9cdd6eso3660452b3a.1; Tue, 09 May 2023 09:37:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1683650238; x=1686242238; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=TaDF8zy4btueLBSrY9dwMuQHd4N85rvewa4k8qv4+LA=; b=j14RYjsAZP/vRadBipwj+/IsyNXcsgsIAhyw919XbStBA4kce3hQvKJ+cfxL4B2Fyk xDslF7jbK8TYBzo3nv3M5tNKeJjYsIhGrvrv0UPaY8Lqtwx8ww8oFWZxQ5STMCvjOzoo FdS2t9RdlZKcaR+m5JNWNFHI3+/DXPWurM/sx0TXEvdgNiU7+V1XnZ3pLh50ogSibyKq OP+GfeN+rwBzfoUUSKlt5Frrt2rm4uGh7guDSGSq/qLjrguJp2+RNuCGEYuoQXZQ+t2q im4ETpEyj3JKyhI6ChXApXKixbt+M5tce/JMfZdqk/T60jKy6V59XI1JaDR0WK9eW9N0 UtvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683650238; x=1686242238; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=TaDF8zy4btueLBSrY9dwMuQHd4N85rvewa4k8qv4+LA=; b=CqQfVHzJi3V1zFCGYq3Y8vsBvapDrFD+i0hsp1y5AjYo2FLFTO0Ff9/U5SuEKHZuwj EFmjuZc135YCrvibNXUcR47MeilTv6hOZNGuv2DePl6gjdP0WzCSFtHafL913QGlFsca vLCMBhb+YMuSA3vfrjxDXl7aP5qJwIHtfMpAyin8mpVXmeS9akL1RQKyGxspzJz7aRfn rA94xJl6ahobdrLKL5Jy5TWVo9xx7sIQhidch8F6e66wExD6eOlQkwSmLqvssV2tjGGK mFSZttcj/UoDfArt4g7VZG9pamYc0hjtJSwePZq5FqdeFI+ycQ1FjUouYgr312GadQsW cyoQ== X-Gm-Message-State: AC+VfDzwVdelED4vy8/dgXT9hIUiw60rNhehCms183mmc4N0Cuup5aHX RnIf1BWxRThKvxsDu8i5a9s= X-Google-Smtp-Source: ACHHUZ4Fw2eEX9sgR3Z4fMrQfqI4ebENqvBJull5h+TO+c/ePom2r4665yNHkpO6ibZvUcr5PA5kEQ== X-Received: by 2002:a05:6a21:6d88:b0:f2:fd1e:efc9 with SMTP id wl8-20020a056a216d8800b000f2fd1eefc9mr19258556pzb.5.1683650237508; Tue, 09 May 2023 09:37:17 -0700 (PDT) Received: from localhost ([2a00:79e1:abd:4a00:61b:48ed:72ab:435b]) by smtp.gmail.com with ESMTPSA id y9-20020a63de49000000b0051b7bcb6162sm1547873pgi.81.2023.05.09.09.37.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 May 2023 09:37:17 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Dmitry Baryshkov , Rob Clark , Lepton Wu , Will Deacon , Robin Murphy , Joerg Roedel , Sai Prakash Ranjan , Konrad Dybcio , Bjorn Andersson , Elliot Berman , Marijn Suijten , Emma Anholt , linux-arm-kernel@lists.infradead.org (moderated list:ARM SMMU DRIVERS), iommu@lists.linux.dev (open list:IOMMU SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/2] iommu/arm-smmu-qcom: Fix missing adreno_smmu's Date: Tue, 9 May 2023 09:37:10 -0700 Message-Id: <20230509163712.376117-1-robdclark@gmail.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Rob Clark When the special handling of qcom,adreno-smmu was moved into qcom_smmu_create(), it was overlooked that we didn't have all the required entries in qcom_smmu_impl_of_match. So we stopped getting adreno_smmu_priv on sc7180, breaking per-process pgtables. Fixes: 30b912a03d91 ("iommu/arm-smmu-qcom: Move the qcom,adreno-smmu check into qcom_smmu_create") Suggested-by: Lepton Wu Signed-off-by: Rob Clark --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index d1b296b95c86..760d9c43dbd2 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -496,20 +496,21 @@ static const struct qcom_smmu_match_data qcom_smmu_500_impl0_data = { /* * Do not add any more qcom,SOC-smmu-500 entries to this list, unless they need * special handling and can not be covered by the qcom,smmu-500 entry. */ static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = { { .compatible = "qcom,msm8996-smmu-v2", .data = &msm8996_smmu_data }, { .compatible = "qcom,msm8998-smmu-v2", .data = &qcom_smmu_v2_data }, { .compatible = "qcom,qcm2290-smmu-500", .data = &qcom_smmu_500_impl0_data }, { .compatible = "qcom,qdu1000-smmu-500", .data = &qcom_smmu_500_impl0_data }, { .compatible = "qcom,sc7180-smmu-500", .data = &qcom_smmu_500_impl0_data }, + { .compatible = "qcom,sc7180-smmu-v2", .data = &qcom_smmu_v2_data }, { .compatible = "qcom,sc7280-smmu-500", .data = &qcom_smmu_500_impl0_data }, { .compatible = "qcom,sc8180x-smmu-500", .data = &qcom_smmu_500_impl0_data }, { .compatible = "qcom,sc8280xp-smmu-500", .data = &qcom_smmu_500_impl0_data }, { .compatible = "qcom,sdm630-smmu-v2", .data = &qcom_smmu_v2_data }, { .compatible = "qcom,sdm845-smmu-v2", .data = &qcom_smmu_v2_data }, { .compatible = "qcom,sdm845-smmu-500", .data = &sdm845_smmu_500_data }, { .compatible = "qcom,sm6115-smmu-500", .data = &qcom_smmu_500_impl0_data}, { .compatible = "qcom,sm6125-smmu-500", .data = &qcom_smmu_500_impl0_data }, { .compatible = "qcom,sm6350-smmu-v2", .data = &qcom_smmu_v2_data }, { .compatible = "qcom,sm6350-smmu-500", .data = &qcom_smmu_500_impl0_data }, @@ -540,12 +541,14 @@ struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu) /* Match platform for ACPI boot */ if (acpi_match_platform_list(qcom_acpi_platlist) >= 0) return qcom_smmu_create(smmu, &qcom_smmu_500_impl0_data); } #endif match = of_match_node(qcom_smmu_impl_of_match, np); if (match) return qcom_smmu_create(smmu, match->data); + WARN_ON(of_device_is_compatible(np, "qcom,adreno-smmu")); + return smmu; } From patchwork Tue May 9 16:37:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 13235947 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 347CEC77B75 for ; Tue, 9 May 2023 16:37:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229491AbjEIQhX (ORCPT ); Tue, 9 May 2023 12:37:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231468AbjEIQhU (ORCPT ); Tue, 9 May 2023 12:37:20 -0400 Received: from mail-pg1-x52d.google.com (mail-pg1-x52d.google.com [IPv6:2607:f8b0:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BEB6422A; 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Tue, 09 May 2023 09:37:18 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Dmitry Baryshkov , Rob Clark , Rob Clark , Abhinav Kumar , Sean Paul , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 2/2] drm/msm: Be more shouty if per-process pgtables aren't working Date: Tue, 9 May 2023 09:37:11 -0700 Message-Id: <20230509163712.376117-2-robdclark@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230509163712.376117-1-robdclark@gmail.com> References: <20230509163712.376117-1-robdclark@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Rob Clark Otherwise it is not always obvious if a dt or iommu change is causing us to fall back to global pgtable. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_iommu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index 418e1e06cdde..9b19124c9bd0 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -227,21 +227,26 @@ struct msm_mmu *msm_iommu_pagetable_create(struct msm_mmu *parent) struct adreno_smmu_priv *adreno_smmu = dev_get_drvdata(parent->dev); struct msm_iommu *iommu = to_msm_iommu(parent); struct msm_iommu_pagetable *pagetable; const struct io_pgtable_cfg *ttbr1_cfg = NULL; struct io_pgtable_cfg ttbr0_cfg; int ret; /* Get the pagetable configuration from the domain */ if (adreno_smmu->cookie) ttbr1_cfg = adreno_smmu->get_ttbr1_cfg(adreno_smmu->cookie); - if (!ttbr1_cfg) + + /* + * If you hit this WARN_ONCE() you are probably missing an entry in + * qcom_smmu_impl_of_match[] in arm-smmu-qcom.c + */ + if (WARN_ONCE(!ttbr1_cfg, "No per-process page tables")) return ERR_PTR(-ENODEV); pagetable = kzalloc(sizeof(*pagetable), GFP_KERNEL); if (!pagetable) return ERR_PTR(-ENOMEM); msm_mmu_init(&pagetable->base, parent->dev, &pagetable_funcs, MSM_MMU_IOMMU_PAGETABLE); /* Clone the TTBR1 cfg as starting point for TTBR0 cfg: */