On 3.10.2024 5:01 AM, Bjorn Andersson wrote: > Support for per-process page tables requires the SMMU aparture to be > setup such that the GPU can make updates with the SMMU. On some targets > this is done statically in firmware, on others it's expected to be > requested in runtime by the driver, through a SCM call. > > One place where configuration is expected to be done dynamically is the > QCS6490 rb3gen2. > > The downstream driver does this unconditioanlly on any A6xx and newer, > so follow suite and make the call. > > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxxxx> > --- Not all A6xx targets support PPPT (e.g. A619 on SM6375 - but A619 on SM6350 does..). We already print some error messages when that's the case, I think this may add one more. Nonetheless, I think that sticks to the accepted status quo where lacking PPPT is a bug, so.. Tested-by: Konrad Dybcio <konradybcio@xxxxxxxxxx> # FP5 Reviewed-by: Konrad Dybcio <konradybcio@xxxxxxxxxx> Konrad
