diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 32 | ||||
-rw-r--r-- | drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h | 1 |
2 files changed, 19 insertions, 14 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index a7bd49e44bca..e61194127772 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -407,13 +407,18 @@ static const struct arm_smmu_impl qcom_adreno_smmu_impl = { static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu, const struct qcom_smmu_match_data *data) { + const struct device_node *np = smmu->dev->of_node; const struct arm_smmu_impl *impl; struct qcom_smmu *qsmmu; if (!data) return ERR_PTR(-EINVAL); - impl = data->impl; + if (np && of_device_is_compatible(np, "qcom,adreno-smmu")) + impl = data->adreno_impl; + else + impl = data->impl; + if (!impl) return smmu; @@ -431,15 +436,22 @@ static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu, return &qsmmu->smmu; } -static const struct qcom_smmu_match_data qcom_smmu_data = { - .impl = &qcom_smmu_impl, +/* + * It is not yet possible to use MDP SMMU with the bypass quirk on the msm8996, + * there are not enough context banks. + */ +static const struct qcom_smmu_match_data msm8996_smmu_data = { + .impl = NULL, + .adreno_impl = &qcom_adreno_smmu_impl, }; -static const struct qcom_smmu_match_data qcom_adreno_smmu_data = { - .impl = &qcom_adreno_smmu_impl, +static const struct qcom_smmu_match_data qcom_smmu_data = { + .impl = &qcom_smmu_impl, + .adreno_impl = &qcom_adreno_smmu_impl, }; 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_data }, { .compatible = "qcom,qcm2290-smmu-500", .data = &qcom_smmu_data }, { .compatible = "qcom,qdu1000-smmu-500", .data = &qcom_smmu_data }, @@ -448,6 +460,7 @@ static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = { { .compatible = "qcom,sc8180x-smmu-500", .data = &qcom_smmu_data }, { .compatible = "qcom,sc8280xp-smmu-500", .data = &qcom_smmu_data }, { .compatible = "qcom,sdm630-smmu-v2", .data = &qcom_smmu_data }, + { .compatible = "qcom,sdm845-smmu-v2", .data = &qcom_smmu_data }, { .compatible = "qcom,sdm845-smmu-500", .data = &qcom_smmu_data }, { .compatible = "qcom,sm6115-smmu-500", .data = &qcom_smmu_data }, { .compatible = "qcom,sm6125-smmu-500", .data = &qcom_smmu_data }, @@ -481,15 +494,6 @@ struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu) } #endif - /* - * Do not change this order of implementation, i.e., first adreno - * smmu impl and then apss smmu since we can have both implementing - * arm,mmu-500 in which case we will miss setting adreno smmu specific - * features if the order is changed. - */ - if (of_device_is_compatible(np, "qcom,adreno-smmu")) - return qcom_smmu_create(smmu, &qcom_adreno_smmu_data); - match = of_match_node(qcom_smmu_impl_of_match, np); if (match) return qcom_smmu_create(smmu, match->data); diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h index 2424f10b7110..424d8d342ce0 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h @@ -16,6 +16,7 @@ struct qcom_smmu { struct qcom_smmu_match_data { const struct arm_smmu_impl *impl; + const struct arm_smmu_impl *adreno_impl; }; #ifdef CONFIG_ARM_SMMU_QCOM_DEBUG |