virtio-gpu: free BHs, by implementing unrealize

Acked-by: Dongwon Kim <dongwon.kim@intel.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20230726173929.690601-2-marcandre.lureau@redhat.com>
qemu · Aug 7, 2023 · 957d778 · 957d778
1 parent 81cd34a
commit 957d778
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Showing 3 changed files with 12 additions and 1 deletion.
diff --git a/hw/display/virtio-gpu-base.c b/hw/display/virtio-gpu-base.c
@@ -244,7 +244,7 @@ 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
@@ -1392,6 +1392,15 @@ 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);
+
+    g_clear_pointer(&g->ctrl_bh, qemu_bh_delete);
+    g_clear_pointer(&g->cursor_bh, qemu_bh_delete);
+    virtio_gpu_base_device_unrealize(qdev);
+}
+
 void virtio_gpu_reset(VirtIODevice *vdev)
 {
     VirtIOGPU *g = VIRTIO_GPU(vdev);
@@ -1492,6 +1501,7 @@ 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
@@ -238,6 +238,7 @@ 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);