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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
parent 6b95a207c1
commit 7bd4d7be5c
2 changed files with 2 additions and 1 deletions
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2
drivers/gpu/drm/drm_crtc.c
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@@ -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;