1 files changed, 8 insertions, 0 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index ecd5984ef689..954badb08120 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1696,5 +1696,13 @@ extern void drm_platform_exit(struct drm_driver *driver, struct platform_device
 extern int drm_get_platform_dev(struct platform_device *pdev,
                                 struct drm_driver *driver);
 
+/* returns true if currently okay to sleep */
+static __inline__ bool drm_can_sleep(void)
+{
+        if (in_atomic() || in_dbg_master() || irqs_disabled())
+                return false;
+        return true;
+}
+
 #endif                          /* __KERNEL__ */
 #endif