virtio-gpu: add & use virtio_gpu_queue_fenced_ctrl_buffer

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Add helper function to handle the submission of fenced control requests.
Make sure we initialize the fence while holding the virtqueue lock, so
requests can't be reordered.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

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Gerd Hoffmann 2015-08-19 23:44:15 +02:00

parent 9c73f47826

commit ec2f0577c7

2 changed files with 35 additions and 7 deletions

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2

drivers/gpu/drm/virtio/virtgpu_fence.c

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40

drivers/gpu/drm/virtio/virtgpu_vq.c

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