diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/DocBook/drm.tmpl | 6 |
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. </para> <para> + If a page flip can be successfully scheduled the driver must set the + <code>drm_crtc-<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 -<errorname>EBUSY</errorname>. |