From f91879fdf70bdf369906a20a8980284d3ef1558f Mon Sep 17 00:00:00 2001 From: Charan Teja Kalla Date: Tue, 9 Dec 2025 10:53:23 +0530 Subject: [PATCH] iommu/arm-smmu-qcom: Add actlr settings for mdss on Qualcomm platforms Add ACTLR settings for missing MDSS devices on Qualcomm platforms. These are QoS settings and are specific to per SoC thus different settings, eg: some have shallow prefetch while others have no prefetch. Aswell, this prefetch feature is not implemented for all the platforms, capturing to those are implemented to the best of my knowledge. Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Signed-off-by: Charan Teja Kalla Signed-off-by: Bibek Kumar Patro Signed-off-by: Will Deacon --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 573085349df34..456d5146831e8 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -41,12 +41,38 @@ static const struct of_device_id qcom_smmu_actlr_client_of_match[] = { .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, { .compatible = "qcom,fastrpc", .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, + { .compatible = "qcom,qcm2290-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, { .compatible = "qcom,sc7280-mdss", .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, { .compatible = "qcom,sc7280-venus", .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sc8180x-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sc8280xp-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm6115-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm6125-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm6350-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm8150-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm8250-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm8350-mdss", + .data = (const void *) (PREFETCH_SHALLOW | CPRE | CMTLB) }, + { .compatible = "qcom,sm8450-mdss", + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, { .compatible = "qcom,sm8550-mdss", .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, + { .compatible = "qcom,sm8650-mdss", + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, + { .compatible = "qcom,sm8750-mdss", + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, + { .compatible = "qcom,x1e80100-mdss", + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, { } }; -- 2.47.3