[PATCH v15 06/23] drm/virtio: Replace drm_gem_shmem_free() with drm_gem_object_put()

From: Dmitry Osipenko
Date: Sun Aug 27 2023 - 14:12:21 EST


Prepare virtio_gpu_object_create() to addition of memory shrinker support
by replacing open-coded drm_gem_shmem_free() with drm_gem_object_put() that
decrements GEM refcount to 0, which becomes important for drm-shmem because
it will start to use GEM's refcount during the shmem's BO freeing time in
order to prevent spurious lockdep warning about resv lock ordering vs
fs_reclaim code paths.

Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_object.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index c7e74cf13022..343b13428125 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -244,6 +244,6 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
err_put_id:
virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle);
err_free_gem:
- drm_gem_shmem_free(shmem_obj);
+ drm_gem_object_put(&bo->base.base);
return ret;
}
--
2.41.0