drm/radeon/kms: IB locking dumps out a lockdep ordering issue

[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / radeon.h

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 99292be..ff9e417 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -402,6 +402,10 @@ struct radeon_ib {
        uint32_t                length_dw;
 };
 
+/*
+ * locking -
+ * mutex protects scheduled_ibs, ready, alloc_bm
+ */
 struct radeon_ib_pool {
        struct mutex            mutex;
        struct radeon_object    *robj;