On Sat, Sep 21, 2024 at 01:29:04AM GMT, Bibek Kumar Patro wrote:
>
>
> 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@xxxxxxxxxxx>
> > > ---
> > > 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.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> > > +
> > > 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
> > >
> >
--
With best wishes
Dmitry
