| Message ID | 20221114170635.1406534-4-dmitry.baryshkov@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iommu/arm-smmu-qcom: Rework Qualcomm SMMU bindings and implementation | expand |
On 14/11/2022 18:06, Dmitry Baryshkov wrote: > Cheza fw does not properly program the GPU aperture to allow the > GPU to update the SMMU pagetables for context switches. The board file > works around this by dropping the "qcom,adreno-smmu" compat string. > Add this usecase to arm,smmu.yaml schema. > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> You already got my tag. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml index 99f34a40cfe2..29a8b3ff8fa0 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -69,6 +69,10 @@ properties: - qcom,sdm845-smmu-v2 - const: qcom,adreno-smmu - const: qcom,smmu-v2 + - description: Qcom Adreno GPUs on Google Cheza platform + items: + - const: qcom,sdm845-smmu-v2 + - const: qcom,smmu-v2 - description: Marvell SoCs implementing "arm,mmu-500" items: - const: marvell,ap806-smmu-500
Cheza fw does not properly program the GPU aperture to allow the GPU to update the SMMU pagetables for context switches. The board file works around this by dropping the "qcom,adreno-smmu" compat string. Add this usecase to arm,smmu.yaml schema. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 4 ++++ 1 file changed, 4 insertions(+)