diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index b1e96fb68ea8868052e2c365374f3e3a07f33ba3..af782911c505d49944fbc03ec36b1f52296529b1 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -848,7 +848,7 @@ long drm_ioctl(struct file *filp,
 	if (kdata != stack_kdata)
 		kfree(kdata);
 	if (retcode)
-		DRM_DEBUG("ret = %d\n", retcode);
+		DRM_DEBUG("pid=%d, ret = %d\n", task_pid_nr(current), retcode);
 	return retcode;
 }
 EXPORT_SYMBOL(drm_ioctl);