drm: use page flip event to signal flip completion

We don't actually know which frame number the flip will complete on, so userspace needs a specific flip notification to tell it when the last flip completed. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Kristian Høgsberg <krh@bitplanet.net>
git-mirror · Dec 1, 2009 · 7bd4d7b · 7bd4d7b
1 parent 6b95a20
commit 7bd4d7b
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
@@ -2527,7 +2527,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 			goto out;
 		}
 
-		e->event.base.type = DRM_EVENT_VBLANK;
+		e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
 		e->event.base.length = sizeof e->event;
 		e->event.user_data = page_flip->user_data;
 		e->base.event = &e->event.base;

diff --git a/include/drm/drm.h b/include/drm/drm.h
@@ -718,6 +718,7 @@ struct drm_event {
 };
 
 #define DRM_EVENT_VBLANK 0x01
+#define DRM_EVENT_FLIP_COMPLETE 0x02
 
 struct drm_event_vblank {
 	struct drm_event base;