Cleanup ttm_bo_glob.kobj when its reference count hits 0 so that it can be re-initialized by future ttm_bo_global_init calls without dumping a stack trace.
Signed-off-by: Brian Yip <[email protected]> --- drivers/gpu/drm/ttm/ttm_bo.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 988416fb8a0b..1e1844f4a4fa 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1535,6 +1535,10 @@ static void ttm_bo_global_release(void) kobject_del(&glob->kobj); kobject_put(&glob->kobj); ttm_mem_global_release(&ttm_mem_glob); + + if (!kref_read(&glob->kobj.kref)) + glob->kobj.state_initialized = 0; + out: mutex_unlock(&ttm_global_mutex); } -- 2.20.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
