@@ -692,6 +692,7 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
struct drm_device *dev = drm->dev;
struct nouveau_page_flip_state *s;
unsigned long flags;
+ int crtcid = -1;
spin_lock_irqsave(&dev->event_lock, flags);
@@ -702,8 +703,13 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
}
s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
- if (s->event)
- drm_send_vblank_event(dev, s->crtc, s->event);
+ if (s->event) {
+ /* Vblank timestamps/counts are only correct on >= NV-50 */
+ if (nv_device(drm->device)->card_type >= NV_50)
+ crtcid = s->crtc;
+
+ drm_send_vblank_event(dev, crtcid, s->event);
+ }
list_del(&s->head);
if (ps)