From nobody Sun Apr 26 08:13:17 2026 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 D01D1C433EF for ; Mon, 20 Jun 2022 18:36:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245681AbiFTSgx (ORCPT ); Mon, 20 Jun 2022 14:36:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245637AbiFTSgr (ORCPT ); Mon, 20 Jun 2022 14:36:47 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 089E31F61D for ; Mon, 20 Jun 2022 11:36:46 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id p5so5148859pjt.2 for ; Mon, 20 Jun 2022 11:36:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anholt-net.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dYnEPoGZqfZYJAuPegqx++UzPWjcPYHxQtwczgOEqOY=; b=j27uV95QDHmh28z29YzfPn3mYVjgQeD4AjLpoagSqW19OAWVkRFOHjYUOCslMxwhqS 8lw/4ul9kFOZw8r+4NfjnLyke4Ov1rf8JPUzzFfx2oPJU1GcZHlLopjosMj5XGo3nvUu ep4bc9OllPhyOPJ/95NZh5DTjYq3MXOjlURHmycUaCYajuixGmRxiCia5GFA3yo3JMuk 3WFrf8GZ2yGDYglM9CNwrlf0gkpbcAVQ/hlVXD7L0hBLUFBsrDcrbDz+wnEK/0ixHu8L h2pPMd3Jhe4fy/M+xWzMzstO7ugktrNpSJCtX9eZUIdySavMl3jHcZy7PJt+Mgcqu5ec Efgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dYnEPoGZqfZYJAuPegqx++UzPWjcPYHxQtwczgOEqOY=; b=rtqZeBOKtG171BZFCg70ZMPfLHqP0id+XAKLdA/A6FBRxZTuqW7XTrkV4wA//JXJDp 7ufs3sftixFNk3XtCgySHEVMTRCjlKOFEMA8k8ArB32ADP/MlDnosSGGip5YW2kWx1e0 cg9iZMPCdxHjCYjWyYnnsqQs9fU1r9PuqmirgJQyyluQEMFEaPIJ36um1BNY3sQjWjkk HuvDknlo8AnejDGM46mO+U+8m9i5O9yLM+D76Jq/+AM8spru3ti2pUOPo44T6sGg7EnK 41pI3rAmJemUx9jokcDEjGWWeh+Q1g5u6GQrIuhk890rG3taxlBr59xfclJazTVtm55t 5MCA== X-Gm-Message-State: AJIora8s8/M01XzRwjhfjwax7ojD7YEbLiJG8Z+MNUIzIq6dsd2i25Pd S5wMjmM52xMWqhZ14Lml5Cxypg== X-Google-Smtp-Source: AGRyM1uz/6Ko3AqqWsTQqB/KJYqsG9FJzSMzyl3BFf9B5wef0b4KsUd6G43yzj9L9DvutkGyCDta0A== X-Received: by 2002:a17:90b:3b8a:b0:1e2:ee1e:6340 with SMTP id pc10-20020a17090b3b8a00b001e2ee1e6340mr28501640pjb.38.1655750205525; Mon, 20 Jun 2022 11:36:45 -0700 (PDT) Received: from wildbow.anholt.net ([97.115.187.17]) by smtp.gmail.com with ESMTPSA id ds12-20020a17090b08cc00b001e0c1044ceasm8500041pjb.43.2022.06.20.11.36.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 11:36:44 -0700 (PDT) From: Emma Anholt To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Rob Clark , Jordan Crouse , Andy Gross , Bjorn Andersson , Rob Herring , Will Deacon , Robin Murphy , Joerg Roedel Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, Emma Anholt , Konrad Dybcio , Dmitry Baryshkov Subject: [PATCH v2 1/2] iommu: arm-smmu-impl: Add 8250 display compatible to the client list. Date: Mon, 20 Jun 2022 11:36:32 -0700 Message-Id: <20220620183633.1131760-2-emma@anholt.net> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220620183633.1131760-1-emma@anholt.net> References: <20220620183633.1131760-1-emma@anholt.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Required for turning on per-process page tables for the GPU. Signed-off-by: Emma Anholt Reviewed-by: Konrad Dybcio Reviewed-by: Dmitry Baryshkov --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm= /arm-smmu/arm-smmu-qcom.c index d8e1ef83c01b..bb9220937068 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -233,6 +233,7 @@ static const struct of_device_id qcom_smmu_client_of_ma= tch[] __maybe_unused =3D { { .compatible =3D "qcom,sc7280-mdss" }, { .compatible =3D "qcom,sc7280-mss-pil" }, { .compatible =3D "qcom,sc8180x-mdss" }, + { .compatible =3D "qcom,sm8250-mdss" }, { .compatible =3D "qcom,sdm845-mdss" }, { .compatible =3D "qcom,sdm845-mss-pil" }, { } --=20 2.36.1 From nobody Sun Apr 26 08:13:17 2026 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 84E1BC433EF for ; Mon, 20 Jun 2022 18:36:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245721AbiFTSg6 (ORCPT ); Mon, 20 Jun 2022 14:36:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245659AbiFTSgr (ORCPT ); Mon, 20 Jun 2022 14:36:47 -0400 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34C891F620 for ; Mon, 20 Jun 2022 11:36:47 -0700 (PDT) Received: by mail-pf1-x433.google.com with SMTP id k127so5753396pfd.10 for ; Mon, 20 Jun 2022 11:36:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anholt-net.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cuXafal7oQMsPKjaUnSX0izJjoMCagq43H5IBdJoY/0=; b=HcNySfWkztX+IpyLdapmB5uQv+0HIWkTNMKKAUBo24pLvsbYdt0MhDUZ8AamP/aZZs 2GiClOnQwtLaUHbNNgwZvIlNV1NxAv09YX1qM+M8ZsC+t+woA8HTL0xrUUVHTaXgQtFA 8FBuTsB4XH9nq191ZTS4LYUooQk7H8oCGm9lmcuJSIiPLFVJ0s8wxOaDHR7c3PAHwUYk kkRkFNINd50B/k8Y+kWGdSjF7SLflNWx8DLSASQPsU02g3sr+8mEyVN+hHwDVzV9fGJ+ iLaRwn7xGaqfvxbirLEalktbZwqgl36/g2RknT6Z1hinMikKYh5wNN89zPcWPQ4H9C2P uU4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cuXafal7oQMsPKjaUnSX0izJjoMCagq43H5IBdJoY/0=; b=Nl3U9HuAvfHV8yapbjorAv+pMEi8bddDTP25DaXftROUSaQhOvb7tQkseS1W3qkuPu VQy5Mm0MVFa0Q4UHAmRNTDe3m31VEgPvusCIbywPEfm/dO9f4j5NYM0jL1Aj7yJxdQ0p vDrHuHrsnkn+ck6T/8fQNi3heRttuWhlLUpD4zGrXofR0vlTZriNlbKTvwuucrc7/cMF MTFKCtxkmKNtHHx4ibokItaYOv4a0Lhr0thtMrJRtSuy7l6pUtRsysW9HOU+FwtpRqnm jNoJ0oMXGh+rUhSpsEMUMAQ2t7KK30JMfTvsvEyNaxW/2bHY0geAd4EBIfXw7m0PAD6K 7vow== X-Gm-Message-State: AJIora87zCMv9IrQoBi1Tb8BEQgsoRliKg3gNnhwquTwkltkmIozv73t OfepguwcVf6q5dN2s8LunC8ifw== X-Google-Smtp-Source: AGRyM1uaVMxPdAdbEkr6R5BXQkH4b9IPtINsC+QUA2arv2IQf8W7zqXF2oWl6/UIv0I4Iw1fk1cI2w== X-Received: by 2002:a65:404c:0:b0:3c6:4018:ffbf with SMTP id h12-20020a65404c000000b003c64018ffbfmr23272611pgp.408.1655750206723; Mon, 20 Jun 2022 11:36:46 -0700 (PDT) Received: from wildbow.anholt.net ([97.115.187.17]) by smtp.gmail.com with ESMTPSA id ds12-20020a17090b08cc00b001e0c1044ceasm8500041pjb.43.2022.06.20.11.36.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 11:36:46 -0700 (PDT) From: Emma Anholt To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Rob Clark , Jordan Crouse , Andy Gross , Bjorn Andersson , Rob Herring , Will Deacon , Robin Murphy , Joerg Roedel Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, Emma Anholt , Dmitry Baryshkov Subject: [PATCH v2 2/2] arm64: dts: qcom: sm8250: Enable per-process page tables. Date: Mon, 20 Jun 2022 11:36:33 -0700 Message-Id: <20220620183633.1131760-3-emma@anholt.net> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220620183633.1131760-1-emma@anholt.net> References: <20220620183633.1131760-1-emma@anholt.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This is an SMMU for the adreno gpu, and adding this compatible lets the driver use per-fd page tables, which are required for security between GPU clients. Signed-off-by: Emma Anholt Reviewed-by: Dmitry Baryshkov --- v2: moved qcom,adreno-smmu earlier arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qco= m/sm8250.dtsi index a92230bec1dd..aae7b841b81a 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -2513,7 +2513,7 @@ gpucc: clock-controller@3d90000 { }; =20 adreno_smmu: iommu@3da0000 { - compatible =3D "qcom,sm8250-smmu-500", "arm,mmu-500"; + compatible =3D "qcom,sm8250-smmu-500", "qcom,adreno-smmu", "arm,mmu-500= "; reg =3D <0 0x03da0000 0 0x10000>; #iommu-cells =3D <2>; #global-interrupts =3D <2>; --=20 2.36.1