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drm/virtio: resource teardown tweaks

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Add new virtio_gpu_cleanup_object() helper function for object cleanup.
Wire up callback function for resource unref, do cleanup from callback
when we know the host stopped using the resource.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200207074638.26386-3-kraxel@redhat.com
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
This commit is contained in:
Gerd Hoffmann 2020-02-07 08:46:36 +01:00
parent 8235eab012
commit 1ed5f698ad
3 changed files with 43 additions and 9 deletions
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19
drivers/gpu/drm/virtio/virtgpu_object.c
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@ -61,6 +61,14 @@ static void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t
}
}
void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo)
{
struct virtio_gpu_device *vgdev = bo->base.base.dev->dev_private;
virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle);
drm_gem_shmem_free_object(&bo->base.base);
}
static void virtio_gpu_free_object(struct drm_gem_object *obj)
{
struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
@ -68,11 +76,12 @@ static void virtio_gpu_free_object(struct drm_gem_object *obj)
if (bo->pages)
virtio_gpu_object_detach(vgdev, bo);
if (bo->created)
virtio_gpu_cmd_unref_resource(vgdev, bo->hw_res_handle);
virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle);
drm_gem_shmem_free_object(obj);
if (bo->created) {
virtio_gpu_cmd_unref_resource(vgdev, bo);
/* completion handler calls virtio_gpu_cleanup_object() */
return;
}
virtio_gpu_cleanup_object(bo);
}
static const struct drm_gem_object_funcs virtio_gpu_gem_funcs = {