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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AFC17C54EBD for ; Fri, 13 Jan 2023 04:22:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238228AbjAMEV5 (ORCPT ); Thu, 12 Jan 2023 23:21:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234780AbjAMEUf (ORCPT ); Thu, 12 Jan 2023 23:20:35 -0500 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D09E6719C for ; Thu, 12 Jan 2023 20:16:53 -0800 (PST) Received: by mail-lf1-x12c.google.com with SMTP id bt23so31342338lfb.5 for ; Thu, 12 Jan 2023 20:16:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=heBIA7OkFo1be9hGuAS5uBJi61k6Fgf0lA93SEHuWXo=; b=RDnk+5jTaGGQogsxrMRq6oJCbAPlByl3TcjNHl2k1YASTcmvoqnpy0COr4rxvjywET hIGCjV69Sv98FZ8yUAPUhvVz5rk3SiiSHs7RoI93Rjm1xr9mDldpK4svC7b0602TbRnl eTthdhNbGueSWnlhbzUvu91oQYHz88fUezTEDeMBtsWetozFxkAJQmAqGb/d1x2h2Qng Eg2xSRz0Mv3DUI1ue6Xk5DPwI5ek5A7C8sudsxk+wBNgfphIC7pvRWRUdFAs6O2uo/o5 KY/UPe8TFJ8SjE6pmufxt/mthesnAZy5tmA+mPZiRNfrwdlq/ZmgatxEQBE+Sw5wIUvf MkKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=heBIA7OkFo1be9hGuAS5uBJi61k6Fgf0lA93SEHuWXo=; b=HvXswTU/FSxkqa+n/SmSRDqPZtegbWtzkVMb62k1zokIYKgZHfAHZb7FaO5COFzvDu O4SnW1+K6J9jNQ6P9uiEjUyfLTIcMGJZTcGNl7IOfEYEAtnSLCILbrzSFY3XccqrkUbM aqlxjrQm+X5InEXMoHrfZDdUqUPvSPQMGJshHOySJvXbBQBnDl3UDhbfbVEOCNovZJGS zK4I+8U51kBrmMxTHxjvUA0sYIPpehcFGYZbIVUCPb1o5Ij/zPy4bx+dLoidyPJV4n8y 0nHyBRWOPwLM+qdKDD00Ef3ekf/WXIdhdX5UlXKvterojEUdKxJOiLFEW+cN2i7yXfU1 qIjw== X-Gm-Message-State: AFqh2kpqrnv1FwHMVAdRe4ZAFoyZ0Q1hITot6w+g0KXbtvFeOP5O/krk FruOGSHN3rW6//tq3ozbboi5mA== X-Google-Smtp-Source: AMrXdXsyNDah0AafD2x1N6FLi6xp5Xf6tvHYOs9VEnDuLD82U0I1Cg4tSBIaCwMgh2l5Gj93eLxxOQ== X-Received: by 2002:ac2:498f:0:b0:4a4:86ff:9562 with SMTP id f15-20020ac2498f000000b004a486ff9562mr4084747lfl.38.1673583411896; Thu, 12 Jan 2023 20:16:51 -0800 (PST) Received: from [192.168.1.101] (abym53.neoplus.adsl.tpnet.pl. [83.9.32.53]) by smtp.gmail.com with ESMTPSA id v20-20020a056512349400b004b55075f813sm3667026lfr.227.2023.01.12.20.16.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Jan 2023 20:16:50 -0800 (PST) Message-ID: <60da722a-9481-0e8d-8f74-1a4205e471eb@linaro.org> Date: Fri, 13 Jan 2023 05:16:49 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH] iommu/arm-smmu-qcom: Select identity domain for sc8280xp MDSS Content-Language: en-US To: Bjorn Andersson , Will Deacon , Robin Murphy , Joerg Roedel , Sai Prakash Ranjan Cc: Dmitry Baryshkov , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org References: <20230113041104.4189152-1-quic_bjorande@quicinc.com> From: Konrad Dybcio In-Reply-To: <20230113041104.4189152-1-quic_bjorande@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13.01.2023 05:11, Bjorn Andersson wrote: > The Qualcomm display driver installs a translation domain once it has > mapped a framebuffer. Use the identity domain for this device on > SC8280XP as well, to avoid faults from EFI FB accessing the framebuffer > while this is being set up. > > Signed-off-by: Bjorn Andersson > --- Reviewed-by: Konrad Dybcio Konrad > 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 4c53824582d4..cebc10c0492d 100644 > --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c > +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c > @@ -250,6 +250,7 @@ static const struct of_device_id qcom_smmu_client_of_match[] __maybe_unused = { > { .compatible = "qcom,sc7280-mdss" }, > { .compatible = "qcom,sc7280-mss-pil" }, > { .compatible = "qcom,sc8180x-mdss" }, > + { .compatible = "qcom,sc8280xp-mdss" }, > { .compatible = "qcom,sm8250-mdss" }, > { .compatible = "qcom,sdm845-mdss" }, > { .compatible = "qcom,sdm845-mss-pil" },