[Freedreno] [PATCH 2/5] arm64:dts:sdm845: Add support for GPU LLCC

Sharat Masetty smasetty at codeaurora.org
Thu Apr 5 05:20:14 UTC 2018



On 4/4/2018 2:52 AM, Jordan Crouse wrote:
> On Fri, Mar 23, 2018 at 12:49:48PM +0530, Sharat Masetty wrote:
>> Add client side bindings required for the GPU to use the last level
>> system cache. Also add a register range in the GPU CX domain.
> 
> Reviewed-by: Jordan Crouse <jcrouse at codeaurora.org>
> 
> Also, these should go the the devicetree lists for review (but maybe wait until
> the other changes have gotten further through the process).

Thanks Jordan for the review and the reminder, I will send this specific 
patch out to the devicetree mailing list for review.

> 
>> Signed-off-by: Sharat Masetty <smasetty at codeaurora.org>
>> ---
>>   arch/arm64/boot/dts/qcom/sdm845.dtsi | 8 ++++++--
>>   1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> index eb0a1b2..7e2d938 100644
>> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> @@ -887,8 +887,8 @@
>>   		compatible = "qcom,adreno-630.2", "qcom,adreno";
>>   		#stream-id-cells = <16>;
>>   
>> -		reg = <0x5000000 0x40000>;
>> -		reg-names = "kgsl_3d0_reg_memory";
>> +		reg = <0x5000000 0x40000>, <0x509e000 0x10>;
>> +		reg-names = "kgsl_3d0_reg_memory", "cx_mem";
>>   
>>   		/*
>>   		 * Look ma, no clocks! The GPU clocks and power are controlled
>> @@ -898,6 +898,10 @@
>>   		interrupts = <0 300 0>;
>>   		interrupt-names = "kgsl_3d0_irq";
>>   
>> +		/* GPU related llc slices */
>> +		cache-slice-names = "gpu", "gpuhtw";
>> +		cache-slices = <&llcc 12>, <&llcc 11>;
>> +
>>   		iommus = <&kgsl_smmu 0>;
>>   
>>   		operating-points-v2 = <&gpu_opp_table>;
>> -- 
>> 1.9.1
>>
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> 

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