drm/qxl: unpin release objects

Balances the qxl_create_bo(..., pinned=true, ...);
call in qxl_release_bo_alloc().

Signed-off-by: Gerd Hoffmann <[email protected]>
Acked-by: Thomas Zimmermann <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 65ffea3)
Signed-off-by: Maarten Lankhorst <[email protected]>

drivers/gpu/drm/qxl/qxl_release.c

@@ -347,6 +347,7 @@ int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
 
 	mutex_lock(&qdev->release_mutex);
 	if (qdev->current_release_bo_offset[cur_idx] + 1 >= releases_per_bo[cur_idx]) {
+		qxl_bo_unpin(qdev->current_release_bo[cur_idx]);
 		qxl_bo_unref(&qdev->current_release_bo[cur_idx]);
 		qdev->current_release_bo_offset[cur_idx] = 0;
 		qdev->current_release_bo[cur_idx] = NULL;