[PATCH v2 2/2] drm/virtio: fix mmap page attributes

[Gerd Hoffmann]

virtio-gpu uses cached mappings, set shmem->caching accordingly.

Reported-by: Gurchetan Singh <gurchetansingh at chromium.org>
Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 drivers/gpu/drm/virtio/virtgpu_object.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 017a9e0fc3bb..a0b5e5195816 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -118,6 +118,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
 	shmem_obj = drm_gem_shmem_create(vgdev->ddev, params->size);
 	if (IS_ERR(shmem_obj))
 		return PTR_ERR(shmem_obj);
+	shmem_obj->caching = DRM_GEM_SHMEM_CACHED;
 	bo = gem_to_virtio_gpu_obj(&shmem_obj->base);
 
 	ret = virtio_gpu_resource_id_get(vgdev, &bo->hw_res_handle);
-- 
2.18.1