| Message ID | 20240920155813.3434021-6-quic_bibekkum@quicinc.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | iommu/arm-smmu: introduction of ACTLR implementation for Qualcomm SoCs | expand |
On Fri, Sep 20, 2024 at 09:28:13PM GMT, Bibek Kumar Patro wrote: > Add ACTLR data table for qcom_smmu_500 including > corresponding data entry and set prefetch value by > way of a list of compatible strings. > > Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com> > --- > drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 24 ++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c > index 4ac272d05843..e8f936a446df 100644 > --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c > +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c > @@ -25,8 +25,31 @@ > > #define CPRE (1 << 1) > #define CMTLB (1 << 0) > +#define PREFETCH_SHIFT 8 > +#define PREFETCH_DEFAULT 0 > +#define PREFETCH_SHALLOW (1 << PREFETCH_SHIFT) > +#define PREFETCH_MODERATE (2 << PREFETCH_SHIFT) > +#define PREFETCH_DEEP (3 << PREFETCH_SHIFT) > #define GFX_ACTLR_PRR (1 << 5) > > +static const struct of_device_id qcom_smmu_actlr_client_of_match[] = { > + { .compatible = "qcom,adreno", > + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, > + { .compatible = "qcom,adreno-gmu", > + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, > + { .compatible = "qcom,adreno-smmu", > + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, > + { .compatible = "qcom,fastrpc", > + .data = (const void *) (PREFETCH_DEEP | 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,sm8550-mdss", > + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, > + { } > +}; Wow, this looks really nice now! > + > static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu) > { > return container_of(smmu, struct qcom_smmu, smmu); > @@ -640,6 +663,7 @@ static const struct qcom_smmu_match_data qcom_smmu_500_impl0_data = { > .impl = &qcom_smmu_500_impl, > .adreno_impl = &qcom_adreno_smmu_500_impl, > .cfg = &qcom_smmu_impl0_cfg, > + .client_match = qcom_smmu_actlr_client_of_match, > }; > > /* > -- > 2.34.1 >
On 9/20/2024 9:48 PM, Dmitry Baryshkov wrote: > On Fri, Sep 20, 2024 at 09:28:13PM GMT, Bibek Kumar Patro wrote: >> Add ACTLR data table for qcom_smmu_500 including >> corresponding data entry and set prefetch value by >> way of a list of compatible strings. >> >> Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com> >> --- >> drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 24 ++++++++++++++++++++++ >> 1 file changed, 24 insertions(+) >> >> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c >> index 4ac272d05843..e8f936a446df 100644 >> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c >> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c >> @@ -25,8 +25,31 @@ >> >> #define CPRE (1 << 1) >> #define CMTLB (1 << 0) >> +#define PREFETCH_SHIFT 8 >> +#define PREFETCH_DEFAULT 0 >> +#define PREFETCH_SHALLOW (1 << PREFETCH_SHIFT) >> +#define PREFETCH_MODERATE (2 << PREFETCH_SHIFT) >> +#define PREFETCH_DEEP (3 << PREFETCH_SHIFT) >> #define GFX_ACTLR_PRR (1 << 5) >> >> +static const struct of_device_id qcom_smmu_actlr_client_of_match[] = { >> + { .compatible = "qcom,adreno", >> + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, >> + { .compatible = "qcom,adreno-gmu", >> + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, >> + { .compatible = "qcom,adreno-smmu", >> + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, >> + { .compatible = "qcom,fastrpc", >> + .data = (const void *) (PREFETCH_DEEP | 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,sm8550-mdss", >> + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, >> + { } >> +}; > > Wow, this looks really nice now! > I am also in favor of this compatible based approach now, as it looks to be much cleaner implementation. >> + >> static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu) >> { >> return container_of(smmu, struct qcom_smmu, smmu); >> @@ -640,6 +663,7 @@ static const struct qcom_smmu_match_data qcom_smmu_500_impl0_data = { >> .impl = &qcom_smmu_500_impl, >> .adreno_impl = &qcom_adreno_smmu_500_impl, >> .cfg = &qcom_smmu_impl0_cfg, >> + .client_match = qcom_smmu_actlr_client_of_match, >> }; >> >> /* >> -- >> 2.34.1 >> >
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 4ac272d05843..e8f936a446df 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -25,8 +25,31 @@ #define CPRE (1 << 1) #define CMTLB (1 << 0) +#define PREFETCH_SHIFT 8 +#define PREFETCH_DEFAULT 0 +#define PREFETCH_SHALLOW (1 << PREFETCH_SHIFT) +#define PREFETCH_MODERATE (2 << PREFETCH_SHIFT) +#define PREFETCH_DEEP (3 << PREFETCH_SHIFT) #define GFX_ACTLR_PRR (1 << 5) +static const struct of_device_id qcom_smmu_actlr_client_of_match[] = { + { .compatible = "qcom,adreno", + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, + { .compatible = "qcom,adreno-gmu", + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, + { .compatible = "qcom,adreno-smmu", + .data = (const void *) (PREFETCH_DEEP | CPRE | CMTLB) }, + { .compatible = "qcom,fastrpc", + .data = (const void *) (PREFETCH_DEEP | 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,sm8550-mdss", + .data = (const void *) (PREFETCH_DEFAULT | CMTLB) }, + { } +}; + static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu) { return container_of(smmu, struct qcom_smmu, smmu); @@ -640,6 +663,7 @@ static const struct qcom_smmu_match_data qcom_smmu_500_impl0_data = { .impl = &qcom_smmu_500_impl, .adreno_impl = &qcom_adreno_smmu_500_impl, .cfg = &qcom_smmu_impl0_cfg, + .client_match = qcom_smmu_actlr_client_of_match, }; /*
Add ACTLR data table for qcom_smmu_500 including corresponding data entry and set prefetch value by way of a list of compatible strings. Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com> --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) -- 2.34.1