On 3.10.2024 5:01 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 firmware). > > This is necessary on e.g. QCS6490 Rb3Gen2, in order to avoid "CP | AHB > bus error"-errors from the GPU. > > Introduce a function to allow the msm driver to invoke this call. > > Signed-off-by: Bjorn Andersson <bjorn.anders...@oss.qualcomm.com> > ---
Tested-by: Konrad Dybcio <konradyb...@kernel.org> # FP5 Reviewed-by: Konrad Dybcio <konradyb...@kernel.org> Konrad
