On Wed, 2018-12-19 at 13:27 +0100, Gerd Hoffmann wrote:
> Just call drm_fence_put directly instead.
> Also set vgfb->fence to NULL after dropping the reference.
>
> Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
> ---
> drivers/gpu/drm/virtio/virtgpu_drv.h | 1 -
> drivers/gpu/drm/virtio/virtgpu_fence.c | 8 --------
> drivers/gpu/drm/virtio/virtgpu_ioctl.c | 2 +-
> drivers/gpu/drm/virtio/virtgpu_plane.c | 6 ++++--
> 4 files changed, 5 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h
> b/drivers/gpu/drm/virtio/virtgpu_drv.h
> index 63704915f8..bfb31fc3d0 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_drv.h
> +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
> @@ -337,7 +337,6 @@ int virtio_gpu_mmap(struct file *filp, struct
> vm_area_struct *vma);
> /* virtio_gpu_fence.c */
> struct virtio_gpu_fence *virtio_gpu_fence_alloc(
> struct virtio_gpu_device *vgdev);
> -void virtio_gpu_fence_cleanup(struct virtio_gpu_fence *fence);
> int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev,
> struct virtio_gpu_ctrl_hdr *cmd_hdr,
> struct virtio_gpu_fence *fence);
> diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c
> b/drivers/gpu/drm/virtio/virtgpu_fence.c
> index 4d6826b278..21bd4c4a32 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_fence.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_fence.c
> @@ -81,14 +81,6 @@ struct virtio_gpu_fence *virtio_gpu_fence_alloc(struct
> virtio_gpu_device *vgdev)
> return fence;
> }
>
> -void virtio_gpu_fence_cleanup(struct virtio_gpu_fence *fence)
> -{
> - if (!fence)
> - return;
> -
> - dma_fence_put(&fence->f);
> -}
> -
> int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev,
> struct virtio_gpu_ctrl_hdr *cmd_hdr,
> struct virtio_gpu_fence *fence)
> diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> index 161b80fee4..14ce8188c0 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> @@ -351,7 +351,7 @@ static int virtio_gpu_resource_create_ioctl(struct
> drm_device *dev, void *data,
> virtio_gpu_cmd_resource_create_3d(vgdev, qobj, &rc_3d);
> ret = virtio_gpu_object_attach(vgdev, qobj, fence);
> if (ret) {
> - virtio_gpu_fence_cleanup(fence);
> + dma_fence_put(&fence->f);
> goto fail_backoff;
> }
> ttm_eu_fence_buffer_objects(&ticket, &validate_list, &fence->f);
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c
> b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index 548265b8e8..024c2aa0c9 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -169,8 +169,10 @@ static void virtio_gpu_cursor_cleanup_fb(struct
> drm_plane *plane,
> return;
>
> vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
> - if (vgfb->fence)
> - virtio_gpu_fence_cleanup(vgfb->fence);
> + if (vgfb->fence) {
> + dma_fence_put(&vgfb->fence->f);
> + vgfb->fence = NULL;
> + }
> }
>
> static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
Reviewed-by: Ezequiel Garcia <ezequ...@collabora.com>
Regards,
Ezequiel
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