summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/drm_gem_shmem_helper.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 5423ec56b535..f5918707672f 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -415,13 +415,16 @@ void drm_gem_shmem_purge_locked(struct drm_gem_object *obj)
}
EXPORT_SYMBOL(drm_gem_shmem_purge_locked);
-void drm_gem_shmem_purge(struct drm_gem_object *obj)
+bool drm_gem_shmem_purge(struct drm_gem_object *obj)
{
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
- mutex_lock(&shmem->pages_lock);
+ if (!mutex_trylock(&shmem->pages_lock))
+ return false;
drm_gem_shmem_purge_locked(obj);
mutex_unlock(&shmem->pages_lock);
+
+ return true;
}
EXPORT_SYMBOL(drm_gem_shmem_purge);