drm/xe: set PTE_AE for all platforms supporting it

Atomic access is supported by PVC, and became a common feature for all
platforms starting from Xe2. To enable that XE_VMA_ATOMIC_PTE_BIT needs
to be set, then pte encode will eventually set PTE_AE for devmem.
Signed-off-by: Fei Yang <fei.yang@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230928044335.1474903-2-fei.yang@intel.comSigned-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_vm.c

@@ -901,7 +901,7 @@ static struct xe_vma *xe_vma_create(struct xe_vm *vm,
 			vma->tile_mask |= 0x1 << id;
 	}
 
-	if (vm->xe->info.platform == XE_PVC)
+	if (GRAPHICS_VER(vm->xe) >= 20 || vm->xe->info.platform == XE_PVC)
 		vma->gpuva.flags |= XE_VMA_ATOMIC_PTE_BIT;
 
 	if (bo) {