drm/virtio: implement prime mmap

Sync gem vm_node.start with ttm vm_node.start,
then we can just call drm_gem_prime_mmap().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190227144441.6755-2-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2019-02-27 15:44:39 +01:00
parent 372c9329e5
commit c837da88c3

View File

@ -56,7 +56,10 @@ void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
}
int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
struct vm_area_struct *area)
struct vm_area_struct *vma)
{
return -ENODEV;
struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
bo->gem_base.vma_node.vm_node.start = bo->tbo.vma_node.vm_node.start;
return drm_gem_prime_mmap(obj, vma);
}