2024-01-25 22:25:14

by Dmitry Baryshkov

[permalink] [raw]
Subject: Re: [PATCH RFC 1/2] arm64: dts: qcom: msm8953: Add GPU IOMMU

On 25/01/2024 23:56, Luca Weiss wrote:
> From: Vladimir Lypak <[email protected]>
>
> Add the IOMMU used for the GPU on MSM8953.
>
> Signed-off-by: Vladimir Lypak <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/msm8953.dtsi | 31 +++++++++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
> index dcb5c98b793c..91d083871ab0 100644
> --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
> @@ -1046,6 +1046,37 @@ mdss_dsi1_phy: phy@1a96400 {
> };
> };
>
> + gpu_iommu: iommu@1c48000 {

Nit: most of the platforms use the adreno_smmu label. But maybe the
msm-iommu vs arm-smmu makes difference here.

Nevertheless:

Reviewed-by: Dmitry Baryshkov <[email protected]>

> + compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v2";
> + ranges = <0 0x01c48000 0x8000>;
> +
> + clocks = <&gcc GCC_OXILI_AHB_CLK>,
> + <&gcc GCC_BIMC_GFX_CLK>;
> + clock-names = "iface", "bus";
> +
> + power-domains = <&gcc OXILI_CX_GDSC>;
> +
> + qcom,iommu-secure-id = <18>;
> +
> + #address-cells = <1>;
> + #iommu-cells = <1>;
> + #size-cells = <1>;
> +
> + /* gfx3d_user */
> + iommu-ctx@0 {
> + compatible = "qcom,msm-iommu-v2-ns";
> + reg = <0x0000 0x1000>;
> + interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + /* gfx3d_secure */
> + iommu-ctx@2000 {
> + compatible = "qcom,msm-iommu-v2-sec";
> + reg = <0x2000 0x1000>;
> + interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
> + };
> + };
> +
> apps_iommu: iommu@1e20000 {
> compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v1";
> ranges = <0 0x01e20000 0x20000>;
>

--
With best wishes
Dmitry



2024-01-25 23:50:32

by Konrad Dybcio

[permalink] [raw]
Subject: Re: [PATCH RFC 1/2] arm64: dts: qcom: msm8953: Add GPU IOMMU



On 1/25/24 23:24, Dmitry Baryshkov wrote:
> On 25/01/2024 23:56, Luca Weiss wrote:
>> From: Vladimir Lypak <[email protected]>
>>
>> Add the IOMMU used for the GPU on MSM8953.
>>
>> Signed-off-by: Vladimir Lypak <[email protected]>
>> ---
>>   arch/arm64/boot/dts/qcom/msm8953.dtsi | 31 +++++++++++++++++++++++++++++++
>>   1 file changed, 31 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
>> index dcb5c98b793c..91d083871ab0 100644
>> --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
>> @@ -1046,6 +1046,37 @@ mdss_dsi1_phy: phy@1a96400 {
>>               };
>>           };
>> +        gpu_iommu: iommu@1c48000 {
>
> Nit: most of the platforms use the adreno_smmu label. But maybe the msm-iommu vs arm-smmu makes difference here.

Not really :)

Please keep the labels unified
>
> Nevertheless:
>
> Reviewed-by: Dmitry Baryshkov <[email protected]>
>
>> +            compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v2";
>> +            ranges = <0 0x01c48000 0x8000>;
>> +
>> +            clocks = <&gcc GCC_OXILI_AHB_CLK>,
>> +                 <&gcc GCC_BIMC_GFX_CLK>;

And align these

Konrad

2024-01-27 21:40:10

by Luca Weiss

[permalink] [raw]
Subject: Re: [PATCH RFC 1/2] arm64: dts: qcom: msm8953: Add GPU IOMMU

On Freitag, 26. J?nner 2024 00:49:55 CET Konrad Dybcio wrote:
> On 1/25/24 23:24, Dmitry Baryshkov wrote:
> > On 25/01/2024 23:56, Luca Weiss wrote:
> >> From: Vladimir Lypak <[email protected]>
> >>
> >> Add the IOMMU used for the GPU on MSM8953.
> >>
> >> Signed-off-by: Vladimir Lypak <[email protected]>
> >> ---
> >> arch/arm64/boot/dts/qcom/msm8953.dtsi | 31
> >> +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi
> >> b/arch/arm64/boot/dts/qcom/msm8953.dtsi index dcb5c98b793c..91d083871ab0
> >> 100644
> >> --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
> >> @@ -1046,6 +1046,37 @@ mdss_dsi1_phy: phy@1a96400 {
> >> };
> >> };
> >> + gpu_iommu: iommu@1c48000 {
> >
> > Nit: most of the platforms use the adreno_smmu label. But maybe the
> > msm-iommu vs arm-smmu makes difference here.
> Not really :)
>
> Please keep the labels unified

Ack, renaming to adreno_smmu

>
> > Nevertheless:
> >
> > Reviewed-by: Dmitry Baryshkov <[email protected]>
> >
> >> + compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v2";
> >> + ranges = <0 0x01c48000 0x8000>;
> >> +
> >> + clocks = <&gcc GCC_OXILI_AHB_CLK>,
> >> + <&gcc GCC_BIMC_GFX_CLK>;
>
> And align these

They are?

Also any comment about the issues listed in the cover letter?

Regards
Luca

>
> Konrad





2024-02-02 12:20:16

by Konrad Dybcio

[permalink] [raw]
Subject: Re: [PATCH RFC 1/2] arm64: dts: qcom: msm8953: Add GPU IOMMU

On 27.01.2024 18:24, Luca Weiss wrote:
> On Freitag, 26. Jänner 2024 00:49:55 CET Konrad Dybcio wrote:
>> On 1/25/24 23:24, Dmitry Baryshkov wrote:
>>> On 25/01/2024 23:56, Luca Weiss wrote:
>>>> From: Vladimir Lypak <[email protected]>
>>>>
>>>> Add the IOMMU used for the GPU on MSM8953.
>>>>
>>>> Signed-off-by: Vladimir Lypak <[email protected]>
>>>> ---
>>>> arch/arm64/boot/dts/qcom/msm8953.dtsi | 31
>>>> +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi
>>>> b/arch/arm64/boot/dts/qcom/msm8953.dtsi index dcb5c98b793c..91d083871ab0
>>>> 100644
>>>> --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
>>>> +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
>>>> @@ -1046,6 +1046,37 @@ mdss_dsi1_phy: phy@1a96400 {
>>>> };
>>>> };
>>>> + gpu_iommu: iommu@1c48000 {
>>>
>>> Nit: most of the platforms use the adreno_smmu label. But maybe the
>>> msm-iommu vs arm-smmu makes difference here.
>> Not really :)
>>
>> Please keep the labels unified
>
> Ack, renaming to adreno_smmu
>
>>
>>> Nevertheless:
>>>
>>> Reviewed-by: Dmitry Baryshkov <[email protected]>
>>>
>>>> + compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v2";
>>>> + ranges = <0 0x01c48000 0x8000>;
>>>> +
>>>> + clocks = <&gcc GCC_OXILI_AHB_CLK>,
>>>> + <&gcc GCC_BIMC_GFX_CLK>;
>>
>> And align these
>
> They are?

Not in my email client :P, anyway..

>
> Also any comment about the issues listed in the cover letter?

I think v2 on all smmus on this platform is right

Konrad