* [PATCH] arm64: dts: qcom: sm8750: Fix iommu stream ID masks for CDSP compute CBs
@ 2026-10-29 14:41 Vinayak Katoch
2026-11-02 12:46 ` Konrad Dybcio
2026-11-03 5:15 ` Ekansh Gupta
0 siblings, 2 replies; 3+ messages in thread
From: Vinayak Katoch @ 2026-10-29 14:41 UTC (permalink / raw)
To: Bjorn Andersson, Konrad Dybcio, Abel Vesa, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Dmitry Baryshkov
Cc: Bharath Kumar, Chenna Kesava Raju, Ekansh Gupta, linux-arm-msm,
devicetree, linux-kernel, Krzysztof Kozlowski, stable,
Vinayak Katoch
The stream ID masks of compute-cb@12 and compute-cb@14 are wrong, so
these two context banks fail to probe.
Fix the masks:
- compute-cb@12: SID 0x0c2c, mask 0x20 -> 0x0
- compute-cb@14: SID 0x0c0e, mask 0x20 -> 0x40
Fixes: 58471055ae76 ("arm64: dts: qcom: sm8750: Add CDSP")
Cc: stable@vger.kernel.org
Signed-off-by: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/sm8750.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index cf947acc5760..de9d9bf3ca4b 100644
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -6497,7 +6497,7 @@ compute-cb@12 {
compatible = "qcom,fastrpc-compute-cb";
reg = <12>;
iommus = <&apps_smmu 0x196c 0x0>,
- <&apps_smmu 0x0c2c 0x20>,
+ <&apps_smmu 0x0c2c 0x0>,
<&apps_smmu 0x0c0c 0x40>,
<&apps_smmu 0x19cc 0x0>;
dma-coherent;
@@ -6518,7 +6518,7 @@ compute-cb@14 {
compatible = "qcom,fastrpc-compute-cb";
reg = <14>;
iommus = <&apps_smmu 0x196e 0x0>,
- <&apps_smmu 0x0c0e 0x20>,
+ <&apps_smmu 0x0c0e 0x40>,
<&apps_smmu 0x19ce 0x0>;
dma-coherent;
};
---
base-commit: a39c950806213f6861d00f90729acaaa21f2d95a
change-id: 20261029-sm8750-fix-sid-masks-f27747b63ab7
Best regards,
--
Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: dts: qcom: sm8750: Fix iommu stream ID masks for CDSP compute CBs
2026-10-29 14:41 [PATCH] arm64: dts: qcom: sm8750: Fix iommu stream ID masks for CDSP compute CBs Vinayak Katoch
@ 2026-11-02 12:46 ` Konrad Dybcio
2026-11-03 5:15 ` Ekansh Gupta
1 sibling, 0 replies; 3+ messages in thread
From: Konrad Dybcio @ 2026-11-02 12:46 UTC (permalink / raw)
To: Vinayak Katoch, Bjorn Andersson, Konrad Dybcio, Abel Vesa,
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Dmitry Baryshkov
Cc: Bharath Kumar, Chenna Kesava Raju, Ekansh Gupta, linux-arm-msm,
devicetree, linux-kernel, Krzysztof Kozlowski, stable
On 10/29/26 3:41 PM, Vinayak Katoch wrote:
> The stream ID masks of compute-cb@12 and compute-cb@14 are wrong, so
> these two context banks fail to probe.
>
> Fix the masks:
> - compute-cb@12: SID 0x0c2c, mask 0x20 -> 0x0
> - compute-cb@14: SID 0x0c0e, mask 0x20 -> 0x40
>
> Fixes: 58471055ae76 ("arm64: dts: qcom: sm8750: Add CDSP")
> Cc: stable@vger.kernel.org
> Signed-off-by: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm64: dts: qcom: sm8750: Fix iommu stream ID masks for CDSP compute CBs
2026-10-29 14:41 [PATCH] arm64: dts: qcom: sm8750: Fix iommu stream ID masks for CDSP compute CBs Vinayak Katoch
2026-11-02 12:46 ` Konrad Dybcio
@ 2026-11-03 5:15 ` Ekansh Gupta
1 sibling, 0 replies; 3+ messages in thread
From: Ekansh Gupta @ 2026-11-03 5:15 UTC (permalink / raw)
To: Vinayak Katoch, Bjorn Andersson, Konrad Dybcio, Abel Vesa,
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Dmitry Baryshkov
Cc: Bharath Kumar, Chenna Kesava Raju, linux-arm-msm, devicetree,
linux-kernel, Krzysztof Kozlowski, stable
On 29-10-2026 20:11, Vinayak Katoch wrote:
> The stream ID masks of compute-cb@12 and compute-cb@14 are wrong, so
> these two context banks fail to probe.
>
> Fix the masks:
> - compute-cb@12: SID 0x0c2c, mask 0x20 -> 0x0
> - compute-cb@14: SID 0x0c0e, mask 0x20 -> 0x40
>
> Fixes: 58471055ae76 ("arm64: dts: qcom: sm8750: Add CDSP")
> Cc: stable@vger.kernel.org
> Signed-off-by: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
Reviewed-by: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2026-10-29 14:41 [PATCH] arm64: dts: qcom: sm8750: Fix iommu stream ID masks for CDSP compute CBs Vinayak Katoch
2026-11-02 12:46 ` Konrad Dybcio
2026-11-03 5:15 ` Ekansh Gupta
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