This is a note to let you know that I've just added the patch titled arm64: dts: qcom: sm8250: Mark SMMUs as DMA coherent to the 6.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arm64-dts-qcom-sm8250-mark-smmus-as-dma-coherent.patch and it can be found in the queue-6.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 2b64b17d9e4321f68334d6cf2a605316c2093400 Author: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Date: Tue Jul 4 14:23:18 2023 +0200 arm64: dts: qcom: sm8250: Mark SMMUs as DMA coherent [ Upstream commit 4cb19bd7c6329c4702f92c6dd4e7c02eb903ca13 ] The SMMUs on SM8250 are cache-coherent. Mark them as such. Fixes: a89441fcd09d ("arm64: dts: qcom: sm8250: add apps_smmu node") Fixes: 04a3605b184e ("arm64: dts: qcom: add sm8250 GPU nodes") Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230704-topic-8250_pcie_dmac-v1-2-799603a980b0@xxxxxxxxxx Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index b811592f9b759..e03007e23e918 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -2729,6 +2729,7 @@ adreno_smmu: iommu@3da0000 { clock-names = "ahb", "bus", "iface"; power-domains = <&gpucc GPU_CX_GDSC>; + dma-coherent; }; slpi: remoteproc@5c00000 { @@ -5399,6 +5400,7 @@ apps_smmu: iommu@15000000 { <GIC_SPI 696 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 697 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 707 IRQ_TYPE_LEVEL_HIGH>; + dma-coherent; }; adsp: remoteproc@17300000 {