diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 49685571dc0e..81cb2cecc829 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -7,6 +7,7 @@ #include <linux/dma-mapping.h> #include <linux/kthread.h> +#include <linux/sched/mm.h> #include <linux/uaccess.h> #include <uapi/linux/sched/types.h> @@ -441,6 +442,12 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv) init_llist_head(&priv->free_list); INIT_LIST_HEAD(&priv->inactive_list); + mutex_init(&priv->mm_lock); + + /* Teach lockdep about lock ordering wrt. shrinker: */ + fs_reclaim_acquire(GFP_KERNEL); + might_lock(&priv->mm_lock); + fs_reclaim_release(GFP_KERNEL); drm_mode_config_init(ddev); |