| Message ID | 20221102184420.534094-5-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 02/11/2022 14:44, 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> > --- 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 abcb1ee4b58f..f44572cbb071 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -66,6 +66,10 @@ 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(+)