diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_resource.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_resource.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c index e2c82ad07eb4..1a39c30f22fb 100644 --- a/drivers/gpu/drm/ttm/ttm_resource.c +++ b/drivers/gpu/drm/ttm/ttm_resource.c @@ -34,6 +34,7 @@ #include <drm/ttm/ttm_resource.h> #include <drm/ttm/ttm_tt.h> +#include <drm/drm_print.h> #include <drm/drm_util.h> /* Detach the cursor from the bulk move list*/ @@ -587,6 +588,9 @@ uint64_t ttm_resource_manager_usage(struct ttm_resource_manager *man) { uint64_t usage; + if (WARN_ON_ONCE(!man->bdev)) + return 0; + spin_lock(&man->bdev->lru_lock); usage = man->usage; spin_unlock(&man->bdev->lru_lock); |