The shadow bo is created in pinned state, so we have to unpin it when dropping the reference. Otherwise ttm is unhappy and throws a WARN() on release. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/qxl/qxl_display.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index be5183733c1b..9e0a1e836011 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -801,6 +801,7 @@ static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo, qdev->dumb_shadow_bo->surf.width != surf.width || qdev->dumb_shadow_bo->surf.height != surf.height) { if (qdev->dumb_shadow_bo) { + qxl_bo_unpin(qdev->dumb_shadow_bo); drm_gem_object_put (&qdev->dumb_shadow_bo->tbo.base); qdev->dumb_shadow_bo = NULL; -- 2.31.1