Displaying 4 results from an estimated 4 matches for "drm_vblank_count_and_tim".
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drm_vblank_count_and_time
2015 Nov 07
7
[Bug 92852] New: NV34: WARNING: ... at drivers/gpu/drm/drm_irq.c:924 drm_vblank_count_and_time+0x71/0x80 [drm]()
https://bugs.freedesktop.org/show_bug.cgi?id=92852
Bug ID: 92852
Summary: NV34: WARNING: ... at drivers/gpu/drm/drm_irq.c:924
drm_vblank_count_and_time+0x71/0x80 [drm]()
Product: xorg
Version: unspecified
Hardware: x86 (IA32)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Driver/nouveau
Assignee: nouveau at lists.freedesktop...
2012 Apr 25
2
[PATCH 1/2] drm/nouveau: Use drm_vblank_count_and_time() for pageflip completion events.
...struct nouveau_page_flip_state, head);
if (s->event) {
struct drm_pending_vblank_event *e = s->event;
- struct timeval now;
- do_gettimeofday(&now);
- e->event.sequence = 0;
- e->event.tv_sec = now.tv_sec;
- e->event.tv_usec = now.tv_usec;
+ e->event.sequence = drm_vblank_count_and_time(dev, s->crtc, &tvbl);
+
+ /* Called before vblank count and timestamp have
+ * been updated for the vblank interval of flip
+ * completion? If so, need to increment vblank count and
+ * add one videorefresh duration to returned timestamp
+ * to account for this. We assume this happ...
2012 Feb 16
5
[Patches][nouveau/kms]: Precise Vblank and pageflip timestamping v2
Just updated versions of the patches send by Mario Kleiner. This ones are
rebased on top of the nouveau tree and updated according to the review
feedback.
Regards,
Lucas
2012 Feb 15
2
[Patches][nouveau/kms]: Precise Vblank and pageflip timestamping
Hi,
these are two patches against the nouveau kms driver. The first patch
makes sure that pageflip completion events get their vblank count and
timestamp from the drm. The second patch from Lucas Stach, here included
with his permission, makes sure that the timestamps of vblanks are
calculated with high precision and robustness. Both patches together
make sure that all timestamps returned by the