mmATC_VMID0_PASID_MAPPING
WREG32(mmATC_VMID0_PASID_MAPPING + vmid, pasid_mapping);
reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid,
reg = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
reg = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)