diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c index f4489efc94a7..22b0fde6ba34 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c @@ -195,6 +195,9 @@ check_io_mapping(struct nv50_instmem *imem) { struct nvkm_device *device = imem->base.subdev.device; + if (imem->iomap.size) + return true; + return io_mapping_init_wc(&imem->iomap, device->func->resource_addr(device, NVKM_BAR2_INST), device->func->resource_size(device, NVKM_BAR2_INST)) != NULL; |