drm: when queuing an event with NEXTONMISS, return queued sequence to userspace
If we queue a vblank event but miss it, we should return the actual sequence number we queued to userspace, so its event handling function will know which event to look for. Acked-by: Kristian Høgsberg <krh@bitplanet.net> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -585,6 +585,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe,
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if ((vblwait->request.type & _DRM_VBLANK_NEXTONMISS) &&
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(seq - vblwait->request.sequence) <= (1 << 23)) {
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vblwait->request.sequence = seq + 1;
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vblwait->reply.sequence = vblwait->request.sequence;
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}
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DRM_DEBUG("event on vblank count %d, current %d, crtc %d\n",
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