From: Gerd Hoffmann <kra...@redhat.com>

[ Upstream commit 4ca77c513537700d3fae69030879f781dde1904c ]

In case we have a shadow surface on shutdown release
it so it doesn't leak.

Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
Acked-by: Thomas Zimmermann <tzimmerm...@suse.de>
Link: 
http://patchwork.freedesktop.org/patch/msgid/20210204145712.1531203-6-kra...@redhat.com
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/qxl/qxl_display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c 
b/drivers/gpu/drm/qxl/qxl_display.c
index 10738e04c09b..56e0c6c625e9 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -1228,6 +1228,10 @@ int qxl_modeset_init(struct qxl_device *qdev)
 
 void qxl_modeset_fini(struct qxl_device *qdev)
 {
+       if (qdev->dumb_shadow_bo) {
+               drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
+               qdev->dumb_shadow_bo = NULL;
+       }
        qxl_destroy_monitors_object(qdev);
        drm_mode_config_cleanup(&qdev->ddev);
 }
-- 
2.30.2

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