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drm: use page flip event to signal flip completion

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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>
This commit is contained in:
Jesse Barnes 2009-11-19 10:50:22 -08:00 • committed by Eric Anholt
commit 7bd4d7be5c
2 changed files with 2 additions and 1 deletions
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1
include/drm/drm.h
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@ -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;