path: root/Documentation
diff options
Diffstat (limited to 'Documentation')
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 003c18a01fb6..f9df3b872c16 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -1161,6 +1161,12 @@ int max_width, max_height;</synopsis>
any new rendering to the frame buffer until the page flip completes.
+ If a page flip can be successfully scheduled the driver must set the
+ <code>drm_crtc-&lt;fb</code> field to the new framebuffer pointed to
+ by <code>fb</code>. This is important so that the reference counting
+ on framebuffers stays balanced.
+ </para>
+ <para>
If a page flip is already pending, the
<methodname>page_flip</methodname> operation must return