/* Make the mapping visible to the host. */
iobj->bar = bar;
- iobj->map = ioremap(device->func->resource_addr(device, 3) +
- (u32)iobj->bar.offset, size);
+ iobj->map = ioremap_wc(device->func->resource_addr(device, 3) +
+ (u32)iobj->bar.offset, size);
if (!iobj->map) {
nvkm_warn(subdev, "PRAMIN ioremap failed\n");
nvkm_vm_put(&iobj->bar);
struct nv50_instmem *imem = iobj->imem;
struct nvkm_subdev *subdev = &imem->base.subdev;
+ wmb();
nvkm_bar_flush(subdev->device->bar);
if (refcount_dec_and_mutex_lock(&iobj->maps, &subdev->mutex)) {