drm/ttm:fix wrong decoding of bo_count

we observe abnormal number from:
/sys/devices/virtual/drm/amdttm/buffer_objects/bo_count

bo_count is atomic_inc which is "int" type,
shouldn't explicitly turn it to unsigned long.

Signed-off-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index cba11f1..180ce62 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -109,8 +109,8 @@ static ssize_t ttm_bo_global_show(struct kobject *kobj,
        struct ttm_bo_global *glob =
                container_of(kobj, struct ttm_bo_global, kobj);
 
-       return snprintf(buffer, PAGE_SIZE, "%lu\n",
-                       (unsigned long) atomic_read(&glob->bo_count));
+       return snprintf(buffer, PAGE_SIZE, "%d\n",
+                               atomic_read(&glob->bo_count));
 }
 
 static struct attribute *ttm_bo_global_attrs[] = {