[PATCH v13 04/13] virtio-gpu: Unrealize GL device

[Dmitry Osipenko <dmitry.osipenko@collabora.com>]

Even though GL GPU doesn't support hotplugging today, free virgl
resources when GL device is unrealized. For consistency.

Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
 hw/display/virtio-gpu-gl.c     | 13 +++++++++++++
 hw/display/virtio-gpu-virgl.c  | 11 +++++++++++
 include/hw/virtio/virtio-gpu.h |  1 +
 3 files changed, 25 insertions(+)

diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c
index 38a2b1bd3916..7978b2985e17 100644
--- a/hw/display/virtio-gpu-gl.c
+++ b/hw/display/virtio-gpu-gl.c
@@ -149,6 +149,18 @@ static Property virtio_gpu_gl_properties[] = {
     DEFINE_PROP_END_OF_LIST(),
 };
 
+static void virtio_gpu_gl_device_unrealize(DeviceState *qdev)
+{
+    VirtIOGPU *g = VIRTIO_GPU(qdev);
+    VirtIOGPUGL *gl = VIRTIO_GPU_GL(qdev);
+
+    if (gl->renderer_state >= RS_INITED) {
+        virtio_gpu_virgl_deinit(g);
+    }
+
+    gl->renderer_state = RS_START;
+}
+
 static void virtio_gpu_gl_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -162,6 +174,7 @@ static void virtio_gpu_gl_class_init(ObjectClass *klass, void *data)
     vgc->update_cursor_data = virtio_gpu_gl_update_cursor_data;
 
     vdc->realize = virtio_gpu_gl_device_realize;
+    vdc->unrealize = virtio_gpu_gl_device_unrealize;
     vdc->reset = virtio_gpu_gl_reset;
     device_class_set_props(dc, virtio_gpu_gl_properties);
 }
diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index fa0da8f5c7f1..66c4aab9b283 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -669,3 +669,14 @@ int virtio_gpu_virgl_get_num_capsets(VirtIOGPU *g)
 
     return capset2_max_ver ? 2 : 1;
 }
+
+void virtio_gpu_virgl_deinit(VirtIOGPU *g)
+{
+    VirtIOGPUGL *gl = VIRTIO_GPU_GL(g);
+
+    if (virtio_gpu_stats_enabled(g->parent_obj.conf)) {
+        timer_free(gl->print_stats);
+    }
+    timer_free(gl->fence_poll);
+    virgl_renderer_cleanup(NULL);
+}
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 6e71d799e5da..2faeda6f6abe 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -345,6 +345,7 @@ void virtio_gpu_virgl_fence_poll(VirtIOGPU *g);
 void virtio_gpu_virgl_reset_scanout(VirtIOGPU *g);
 void virtio_gpu_virgl_reset(VirtIOGPU *g);
 int virtio_gpu_virgl_init(VirtIOGPU *g);
+void virtio_gpu_virgl_deinit(VirtIOGPU *g);
 int virtio_gpu_virgl_get_num_capsets(VirtIOGPU *g);
 
 #endif
-- 
2.44.0