[RFC QEMU PATCH 05/18] virtio-gpu: Unrealize

[Huang Rui <ray.huang@xxxxxxx>]

From: Antonio Caggiano <antonio.caggiano@xxxxxxxxxxxxx>

Implement an unrealize function for virtio gpu device.

Signed-off-by: Antonio Caggiano <antonio.caggiano@xxxxxxxxxxxxx>
---
 hw/display/virtio-gpu-base.c   |  2 +-
 hw/display/virtio-gpu.c        | 11 +++++++++++
 include/hw/virtio/virtio-gpu.h |  1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/hw/display/virtio-gpu-base.c b/hw/display/virtio-gpu-base.c
index 6c5f1f327f..5cb71e71ad 100644
--- a/hw/display/virtio-gpu-base.c
+++ b/hw/display/virtio-gpu-base.c
@@ -230,7 +230,7 @@ virtio_gpu_base_set_features(VirtIODevice *vdev, uint64_t 
features)
     trace_virtio_gpu_features(((features & virgl) == virgl));
 }
 
-static void
+void
 virtio_gpu_base_device_unrealize(DeviceState *qdev)
 {
     VirtIOGPUBase *g = VIRTIO_GPU_BASE(qdev);
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 11f3e56013..62239dee0f 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1350,6 +1350,16 @@ void virtio_gpu_device_realize(DeviceState *qdev, Error 
**errp)
     QTAILQ_INIT(&g->fenceq);
 }
 
+static void virtio_gpu_device_unrealize(DeviceState *qdev)
+{
+    VirtIOGPU *g = VIRTIO_GPU(qdev);
+
+    qemu_bh_delete(g->cursor_bh);
+    qemu_bh_delete(g->ctrl_bh);
+
+    virtio_gpu_base_device_unrealize(qdev);
+}
+
 void virtio_gpu_reset(VirtIODevice *vdev)
 {
     VirtIOGPU *g = VIRTIO_GPU(vdev);
@@ -1448,6 +1458,7 @@ static void virtio_gpu_class_init(ObjectClass *klass, 
void *data)
     vgbc->gl_flushed = virtio_gpu_handle_gl_flushed;
 
     vdc->realize = virtio_gpu_device_realize;
+    vdc->unrealize = virtio_gpu_device_unrealize;
     vdc->reset = virtio_gpu_reset;
     vdc->get_config = virtio_gpu_get_config;
     vdc->set_config = virtio_gpu_set_config;
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index d1ae97153f..ef02190f97 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -246,6 +246,7 @@ bool virtio_gpu_base_device_realize(DeviceState *qdev,
                                     VirtIOHandleOutput ctrl_cb,
                                     VirtIOHandleOutput cursor_cb,
                                     Error **errp);
+void virtio_gpu_base_device_unrealize(DeviceState *qdev);
 void virtio_gpu_base_reset(VirtIOGPUBase *g);
 void virtio_gpu_base_fill_display_info(VirtIOGPUBase *g,
                         struct virtio_gpu_resp_display_info *dpy_info);
-- 
2.25.1