diff mbox series

[v16,5/5] iommu/arm-smmu: add ACTLR data and support for qcom_smmu_500

Message ID 20241008125410.3422512-6-quic_bibekkum@quicinc.com
State Superseded
Headers show
Series iommu/arm-smmu: introduction of ACTLR implementation for Qualcomm SoCs | expand

Commit Message

Bibek Kumar Patro Oct. 8, 2024, 12:54 p.m. UTC
Add ACTLR data table for qcom_smmu_500 including
corresponding data entry and set prefetch value by
way of a list of compatible strings.

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

Comments

Rob Clark Oct. 28, 2024, 9:16 p.m. UTC | #1
On Tue, Oct 8, 2024 at 5:55 AM Bibek Kumar Patro
<quic_bibekkum@quicinc.com> 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.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> 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 2d2c1e75632c..dd4fb883ebcd 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) },
> +       { }
> +};

I guess by now there are some more entries to add
("qcom,x1e80100-mdss", for example), but I guess those could be
followup patches

Reviewed-by: Rob Clark <robdclark@gmail.com>

> +
>  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
>
Bibek Kumar Patro Oct. 29, 2024, 12:40 p.m. UTC | #2
On 10/29/2024 2:46 AM, Rob Clark wrote:
> On Tue, Oct 8, 2024 at 5:55 AM Bibek Kumar Patro
> <quic_bibekkum@quicinc.com> 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.
>>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>> 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 2d2c1e75632c..dd4fb883ebcd 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) },
>> +       { }
>> +};
> 
> I guess by now there are some more entries to add
> ("qcom,x1e80100-mdss", for example), but I guess those could be
> followup patches
> 
> Reviewed-by: Rob Clark <robdclark@gmail.com>
> 

Thanks everyone for valuable inputs, reviews and ack.

regards,
Bibek

>> +
>>   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 mbox series

Patch

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 2d2c1e75632c..dd4fb883ebcd 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,
 };

 /*