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 6.6-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-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 61ea5484de6e60550b88c580914a8d328a37e365
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 4903d17c4207..1fa1a615109a 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -2733,6 +2733,7 @@ adreno_smmu: iommu@3da0000 {
"gpu_cc_hub_aon_clk";
power-domains = <&gpucc GPU_CC_CX_GDSC>;
+ dma-coherent;
};
remoteproc_mpss: remoteproc@4080000 {
