On Wed, Jun 19, 2019 at 11:04:15AM +0200, Gerd Hoffmann wrote:
> Call reservation_object_* directly instead
> of using ttm_bo_{reserve,unreserve}.
>
> v3: check for EINTR too.
>
> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/virtio/virtgpu_drv.h | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
> index 06cc0e961df6..77ac69a8e6cc 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_drv.h
> +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
> @@ -402,9 +402,9 @@ static inline int virtio_gpu_object_reserve(struct virtio_gpu_object *bo)
> {
> int r;
>
> - r = ttm_bo_reserve(&bo->tbo, true, false, NULL);
> + r = reservation_object_lock_interruptible(bo->gem_base.resv, NULL);
> if (unlikely(r != 0)) {
> - if (r != -ERESTARTSYS) {
> + if (r != -ERESTARTSYS && r != -EINTR) {
You only need to check for EINTR I think. ttm_bo_reserv does the EINVAL ->
ERESTARTSYS remapping.
-Daniel
> struct virtio_gpu_device *qdev =
> bo->gem_base.dev->dev_private;
> dev_err(qdev->dev, "%p reserve failed\n", bo);
> @@ -416,7 +416,7 @@ static inline int virtio_gpu_object_reserve(struct virtio_gpu_object *bo)
>
> static inline void virtio_gpu_object_unreserve(struct virtio_gpu_object *bo)
> {
> - ttm_bo_unreserve(&bo->tbo);
> + reservation_object_unlock(bo->gem_base.resv);
> }
>
> /* virgl debufs */
> --
> 2.18.1
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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