From: Dave Airlie <airl...@redhat.com>

Fixes: 9428088c (drm/qxl: reapply cursor after resetting primary)
Reported-by: Mike Galbraith <efa...@gmx.de>
Cc: sta...@vger.kernel.org
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
 drivers/gpu/drm/qxl/qxl_display.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c 
b/drivers/gpu/drm/qxl/qxl_display.c
index b8cda9449241..768207fbbae3 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -623,7 +623,7 @@ static void qxl_cursor_atomic_update(struct drm_plane 
*plane,
        struct qxl_cursor_cmd *cmd;
        struct qxl_cursor *cursor;
        struct drm_gem_object *obj;
-       struct qxl_bo *cursor_bo = NULL, *user_bo = NULL;
+       struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
        int ret;
        void *user_ptr;
        int size = 64*64*4;
@@ -677,7 +677,7 @@ static void qxl_cursor_atomic_update(struct drm_plane 
*plane,
                                                           cursor_bo, 0);
                cmd->type = QXL_CURSOR_SET;
 
-               qxl_bo_unref(&qcrtc->cursor_bo);
+               old_cursor_bo = qcrtc->cursor_bo;
                qcrtc->cursor_bo = cursor_bo;
                cursor_bo = NULL;
        } else {
@@ -697,6 +697,9 @@ static void qxl_cursor_atomic_update(struct drm_plane 
*plane,
        qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
        qxl_release_fence_buffer_objects(release);
 
+       if (old_cursor_bo)
+               qxl_bo_unref(&old_cursor_bo);
+
        qxl_bo_unref(&cursor_bo);
 
        return;
-- 
2.17.0

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