linux-kernel - Re: [PATCH v4 1/2] iommu/arm-smmu-qcom: Fix missing adreno

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Date:   Wed, 17 May 2023 02:22:31 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org,
        iommu@...ts.linux-foundation.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Will Deacon <will@...nel.org>,
        Rob Clark <robdclark@...omium.org>, stable@...r.kernel.org,
        Lepton Wu <lepton@...omium.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
        Bjorn Andersson <quic_bjorande@...cinc.com>,
        Elliot Berman <quic_eberman@...cinc.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Melody Olvera <quic_molvera@...cinc.com>,
        "moderated list:ARM SMMU DRIVERS" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:IOMMU SUBSYSTEM" <iommu@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 1/2] iommu/arm-smmu-qcom: Fix missing adreno_smmu's

On 17/05/2023 01:20, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
> 
> 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")
> Cc: <stable@...r.kernel.org>
> Suggested-by: Lepton Wu <lepton@...omium.org>
> Signed-off-by: Rob Clark <robdclark@...omium.org>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>   drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 10 ++++++++++
>   1 file changed, 10 insertions(+)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry