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path: root/drivers/gpu/drm/drm_gem_cma_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_gem_cma_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_cma_helper.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index bd75f303da63..86cc793cdf79 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -289,20 +289,15 @@ int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv,
{
struct drm_gem_object *gem_obj;
- mutex_lock(&drm->struct_mutex);
-
gem_obj = drm_gem_object_lookup(drm, file_priv, handle);
if (!gem_obj) {
dev_err(drm->dev, "failed to lookup GEM object\n");
- mutex_unlock(&drm->struct_mutex);
return -EINVAL;
}
*offset = drm_vma_node_offset_addr(&gem_obj->vma_node);
- drm_gem_object_unreference(gem_obj);
-
- mutex_unlock(&drm->struct_mutex);
+ drm_gem_object_unreference_unlocked(gem_obj);
return 0;
}
@@ -381,11 +376,8 @@ void drm_gem_cma_describe(struct drm_gem_cma_object *cma_obj,
struct seq_file *m)
{
struct drm_gem_object *obj = &cma_obj->base;
- struct drm_device *dev = obj->dev;
uint64_t off;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
-
off = drm_vma_node_start(&obj->vma_node);
seq_printf(m, "%2d (%2d) %08llx %pad %p %zu",
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