This is a note to let you know that I've just added the patch titled arm64: dts: qcom: sc7280: Mark Adreno SMMU as DMA coherent to the 6.1-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-sc7280-mark-adreno-smmu-as-dma-cohere.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit d344fef9c8b29825759f1b10655dd485b1748a55 Author: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Date: Mon Nov 20 13:12:54 2023 +0100 arm64: dts: qcom: sc7280: Mark Adreno SMMU as DMA coherent [ Upstream commit 31edad478534186a2718be9206ce7b19f2735f6e ] The SMMUs on sc7280 are cache-coherent. APPS_SMMU is marked as such, mark the GPU one as well. Fixes: 96c471970b7b ("arm64: dts: qcom: sc7280: Add gpu support") Reviewed-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230926-topic-a643-v2-3-06fa3d899c0a@xxxxxxxxxx Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 30e18ce54921..fd1a451e1ba2 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -2701,6 +2701,7 @@ adreno_smmu: iommu@3da0000 { "gpu_cc_hub_aon_clk"; power-domains = <&gpucc GPU_CC_CX_GDSC>; + dma-coherent; }; remoteproc_mpss: remoteproc@4080000 {