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

Jordan Crouse jcrouse at codeaurora.org
Tue Apr 3 21:22:11 UTC 2018


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).

> 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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