The SMMUs on sc7280 are cache-coherent. APPS_SMMU is marked as such,
mark the GPU one as well.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 0d96d1454c49..edaca6c2cf8c 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2783,6 +2783,7 @@ adreno_smmu: iommu@3da0000 {
 					"gpu_cc_hub_aon_clk";
 
 			power-domains = <&gpucc GPU_CC_CX_GDSC>;
+			dma-coherent;
 		};
 
 		remoteproc_mpss: remoteproc@4080000 {

-- 
2.42.0

On Tue, Sep 26, 2023 at 08:24:41PM +0200, Konrad Dybcio wrote:
> 
> The SMMUs on sc7280 are cache-coherent. APPS_SMMU is marked as such,
> mark the GPU one as well.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>

-Akhil

> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 0d96d1454c49..edaca6c2cf8c 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -2783,6 +2783,7 @@ adreno_smmu: iommu@3da0000 {
>  					"gpu_cc_hub_aon_clk";
>  
>  			power-domains = <&gpucc GPU_CC_CX_GDSC>;
> +			dma-coherent;
>  		};
>  
>  		remoteproc_mpss: remoteproc@4080000 {
> 
> -- 
> 2.42.0
>

On 26.09.2023 20:24, Konrad Dybcio wrote:
> The SMMUs on sc7280 are cache-coherent. APPS_SMMU is marked as such,
> mark the GPU one as well.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
Fixes: 96c471970b7b ("arm64: dts: qcom: sc7280: Add gpu support")

Sorry.

Konrad