[PATCH 1/4] ARM: dts: qcom: msm8974: add ocmem clock to GPU

Konrad Dybcio konrad.dybcio at linaro.org
Mon May 8 10:28:29 UTC 2023



On 8.05.2023 12:24, Dmitry Baryshkov wrote:
> On 08/05/2023 11:30, Konrad Dybcio wrote:
>>
>>
>> On 7.05.2023 21:07, Dmitry Baryshkov wrote:
>>> To get GPU working with the OCMEM, the oxili_ocmemgx_clk clock should be
>>> enabled. Pass it to the GPU to get it to work on apq8074/msm8974 boards.
>>>
>>> Fixes: fe079442db63 ("ARM: dts: qcom: msm8974: add gpu support")
>>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
>>> ---
>> Uhh.. this clock should be managed by RPM with:
>>
>> type = MEM
>> id = 2
>>
>> just like it's defined for 8994 today.
>>
>> Could you try adding it in rpmcc and confirming?
> 
> There is an RPM_SMD_OCMEMGX_CLK clk already, it is a bus clock for the ocmemnoc.
It's wrong.

Konrad
> 
>>
>> Konrad
>>>   arch/arm/boot/dts/qcom-msm8974.dtsi | 3 ++-
>>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
>>> index 834ad95515b1..fb661c1bd3d5 100644
>>> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
>>> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
>>> @@ -2104,8 +2104,9 @@ gpu: adreno at fdb00000 {
>>>                 clocks = <&mmcc OXILI_GFX3D_CLK>,
>>>                    <&mmcc OXILICX_AHB_CLK>,
>>> +                 <&mmcc OXILI_OCMEMGX_CLK>,
>>>                    <&mmcc OXILICX_AXI_CLK>;
>>> -            clock-names = "core", "iface", "mem_iface";
>>> +            clock-names = "core", "iface", "mem", "mem_iface";
>>>                 sram = <&gmu_sram>;
>>>               power-domains = <&mmcc OXILICX_GDSC>;
> 


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