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[Qemu-devel] [PULL 1/5] virtio-vga: fix reset


From: Gerd Hoffmann
Subject: [Qemu-devel] [PULL 1/5] virtio-vga: fix reset
Date: Mon, 3 Sep 2018 08:57:41 +0200

We must call the reset functions for both virtio-gpu
and vga to properly reset the combo device.

Signed-off-by: Gerd Hoffmann <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
Message-id: address@hidden
---
 include/hw/virtio/virtio-gpu.h | 1 +
 hw/display/virtio-gpu.c        | 2 +-
 hw/display/virtio-vga.c        | 6 +++++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index d0321672f4..a718b7233f 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -150,6 +150,7 @@ extern const GraphicHwOps virtio_gpu_ops;
     } while (0)
 
 /* virtio-gpu.c */
+void virtio_gpu_reset(VirtIODevice *vdev);
 void virtio_gpu_ctrl_response(VirtIOGPU *g,
                               struct virtio_gpu_ctrl_command *cmd,
                               struct virtio_gpu_ctrl_hdr *resp,
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 3ddd29c0de..d6c9b02b86 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1289,7 +1289,7 @@ static void virtio_gpu_instance_init(Object *obj)
 {
 }
 
-static void virtio_gpu_reset(VirtIODevice *vdev)
+void virtio_gpu_reset(VirtIODevice *vdev)
 {
     VirtIOGPU *g = VIRTIO_GPU(vdev);
     struct virtio_gpu_simple_resource *res, *tmp;
diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c
index 701d980872..50c72f26f4 100644
--- a/hw/display/virtio-vga.c
+++ b/hw/display/virtio-vga.c
@@ -179,8 +179,12 @@ static void virtio_vga_realize(VirtIOPCIProxy *vpci_dev, 
Error **errp)
 static void virtio_vga_reset(DeviceState *dev)
 {
     VirtIOVGA *vvga = VIRTIO_VGA(dev);
-    vvga->vdev.enable = 0;
 
+    /* reset virtio-gpu */
+    virtio_gpu_reset(VIRTIO_DEVICE(&vvga->vdev));
+
+    /* reset vga */
+    vga_common_reset(&vvga->vga);
     vga_dirty_log_start(&vvga->vga);
 }
 
-- 
2.9.3




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