Re: [PATCH v3 5/5] arm64: dts: qcom: sc7280: Add Reset support for gpu

[Akhil P Oommen <quic_akhilpo@quicinc.com>]

On 8/19/2022 11:47 AM, Krzysztof Kozlowski wrote:
> On 18/08/2022 23:18, Akhil P Oommen wrote:
>> Add support for Reset using GPUCC driver for GPU. This helps to ensure
>> that GPU state is reset by making sure that CX head switch is collapsed.
>>
>> Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
>> ---
>>
>> (no changes since v1)
>>
>>   arch/arm64/boot/dts/qcom/sc7280.dtsi | 3 +++
>>   1 file changed, 3 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index e66fc67..f5257d6 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -2243,6 +2243,9 @@
>>   			nvmem-cells = <&gpu_speed_bin>;
>>   			nvmem-cell-names = "speed_bin";
>>   
>> +			resets = <&gpucc GPU_CX_COLLAPSE>;
>> +			reset-names = "cx_collapse";
>> +
> I think this is not allowed by bindings. Did you test your change with
> dtbs_check?
>
> Best regards,
> Krzysztof
My bad! Thanks for pointing this out. Fixed in v4 with patch 5/6.

-Akhil.