Cleanup ttm_mem_glob.kobj when its reference count hits 0 so that it can be re-initialized by future ttm_mem_global_init calls without dumping a stack trace.
Signed-off-by: Brian Yip <[email protected]> --- drivers/gpu/drm/ttm/ttm_memory.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c index 55ccb9800893..63d82a81912e 100644 --- a/drivers/gpu/drm/ttm/ttm_memory.c +++ b/drivers/gpu/drm/ttm/ttm_memory.c @@ -479,8 +479,10 @@ void ttm_mem_global_release(struct ttm_mem_global *glob) kobject_del(&glob->kobj); kobject_put(&glob->kobj); - if (!kref_read(&glob->kobj.kref)) + if (!kref_read(&glob->kobj.kref)) { + glob->kobj.state_initialized = 0; glob->num_zones = 0; + } } static void ttm_check_swapping(struct ttm_mem_global *glob) -- 2.20.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
