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virtio-gpu: wait for cursor updates finish

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-09-15 08:20:46 +02:00
parent ec2f0577c7
commit 6d41533433
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/virtio/virtgpu_display.c
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@ -90,6 +90,14 @@ static int virtio_gpu_crtc_cursor_set(struct drm_crtc *crtc,
cpu_to_le32(64),
cpu_to_le32(64),
0, 0, &fence);
ret = virtio_gpu_object_reserve(qobj, false);
if (!ret) {
reservation_object_add_excl_fence(qobj->tbo.resv,
&fence->f);
fence_put(&fence->f);
virtio_gpu_object_unreserve(qobj);
virtio_gpu_object_wait(qobj, false);
}
output->cursor.hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_UPDATE_CURSOR);
output->cursor.resource_id = cpu_to_le32(qobj->hw_res_handle);