diff options
Diffstat (limited to 'Documentation/DocBook')
| -rw-r--r-- | Documentation/DocBook/drm.tmpl | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index b0300529ab1..c9cbb3fe0e6 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -1141,23 +1141,13 @@ int max_width, max_height;</synopsis> the <methodname>page_flip</methodname> operation will be called with a non-NULL <parameter>event</parameter> argument pointing to a <structname>drm_pending_vblank_event</structname> instance. Upon page - flip completion the driver must fill the - <parameter>event</parameter>::<structfield>event</structfield> - <structfield>sequence</structfield>, <structfield>tv_sec</structfield> - and <structfield>tv_usec</structfield> fields with the associated - vertical blanking count and timestamp, add the event to the - <parameter>drm_file</parameter> list of events to be signaled, and wake - up any waiting process. This can be performed with + flip completion the driver must call <methodname>drm_send_vblank_event</methodname> + to fill in the event and send to wake up any waiting processes. + This can be performed with <programlisting><![CDATA[ - struct timeval now; - - event->event.sequence = drm_vblank_count_and_time(..., &now); - event->event.tv_sec = now.tv_sec; - event->event.tv_usec = now.tv_usec; - spin_lock_irqsave(&dev->event_lock, flags); - list_add_tail(&event->base.link, &event->base.file_priv->event_list); - wake_up_interruptible(&event->base.file_priv->event_wait); + ... + drm_send_vblank_event(dev, pipe, event); spin_unlock_irqrestore(&dev->event_lock, flags); ]]></programlisting> </para> |