drm/kms: log when querying an object not included in lease

User-space may query an existing object not included in a lease.
Make it easier to debug such situations by logging a debug message.

Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20230623143514.38707-1-contact@emersion.fr

diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
index ba1608e..ac0d2ce 100644 (file)
--- a/drivers/gpu/drm/drm_mode_object.c
+++ b/drivers/gpu/drm/drm_mode_object.c
@@ -147,8 +147,10 @@ struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
                obj = NULL;
 
        if (obj && drm_mode_object_lease_required(obj->type) &&
-           !_drm_lease_held(file_priv, obj->id))
+           !_drm_lease_held(file_priv, obj->id)) {
+               drm_dbg_kms(dev, "[OBJECT:%d] not included in lease", id);
                obj = NULL;
+       }
 
        if (obj && obj->free_cb) {
                if (!kref_get_unless_zero(&obj->refcount))