Re: [PATCH v2 1/2] firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID

2024-11-11 Thread Rob Clark
On Sun, Nov 10, 2024 at 9:31 AM Bjorn Andersson wrote: > > The QCOM_SCM_SVC_MP service provides QCOM_SCM_MP_CP_SMMU_APERTURE_ID, > which is used to trigger the mapping of register banks into the SMMU > context for per-processes page tables to function (in case this isn't > statically setup by firm

[PATCH v2 1/2] firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID

2024-11-10 Thread Bjorn Andersson
The QCOM_SCM_SVC_MP service provides QCOM_SCM_MP_CP_SMMU_APERTURE_ID, which is used to trigger the mapping of register banks into the SMMU context for per-processes page tables to function (in case this isn't statically setup by firmware). This is necessary on e.g. QCS6490 Rb3Gen2, in order to avo