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From 590e0651a901f793df8aeee41968b0b2f838e2e8 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 4 Jul 2018 09:54:09 +0200
Subject: [PATCH 189/268] virtio-gpu: disable scanout when backing resource is
 destroyed
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RH-Author: Gerd Hoffmann <kraxel@redhat.com>
Message-id: <20180704095409.14514-4-kraxel@redhat.com>
Patchwork-id: 81225
O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 3/3] virtio-gpu: disable scanout when backing resource is destroyed
Bugzilla: 1589634
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20180702162443.16796-4-kraxel@redhat.com
(cherry picked from commit 1fccd7c5a9a722a9cbf1bc91693f4618034f01ac)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/display/virtio-gpu.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 336dc59..08cd567 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -430,6 +430,16 @@ static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id)
 static void virtio_gpu_resource_destroy(VirtIOGPU *g,
                                         struct virtio_gpu_simple_resource *res)
 {
+    int i;
+
+    if (res->scanout_bitmask) {
+        for (i = 0; i < g->conf.max_outputs; i++) {
+            if (res->scanout_bitmask & (1 << i)) {
+                virtio_gpu_disable_scanout(g, i);
+            }
+        }
+    }
+
     pixman_image_unref(res->image);
     virtio_gpu_cleanup_mapping(res);
     QTAILQ_REMOVE(&g->reslist, res, next);
-- 
1.8.3.1