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| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-11-10 11:21:25 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-11-18 03:02:48 +0300 |
| commit | 4a9216453c8537a7f43a3b1708509b9dd271dc9f (patch) | |
| tree | 508c93748fa06117e2b97290ec36e846b670279a /drivers/gpu/drm/drm_irq.c | |
| parent | c9a9c5e02aedc1a2815877b0268f886d2640b771 (diff) | |
| download | linux-4a9216453c8537a7f43a3b1708509b9dd271dc9f.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 72754aca7abf..6b3ce6d38848 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -585,6 +585,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, if ((vblwait->request.type & _DRM_VBLANK_NEXTONMISS) && (seq - vblwait->request.sequence) <= (1 << 23)) { vblwait->request.sequence = seq + 1; + vblwait->reply.sequence = vblwait->request.sequence; } DRM_DEBUG("event on vblank count %d, current %d, crtc %d\n", |