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authorTakashi Iwai <tiwai@suse.de>2015-05-18 09:23:37 +0300
committerTakashi Iwai <tiwai@suse.de>2015-05-18 09:23:37 +0300
commit5a6cc82171dba297ceab49cda47f2bf5616f87b3 (patch)
tree1e12036476a4faf4b404a0a4e070d148efafc221 /drivers/gpu/drm/drm_irq.c
parent09ea997677cd44ebe7f42573119aaf46b775c683 (diff)
parent7730c0b55043f6ff1c27e9cb45e13679995b2361 (diff)
downloadlinux-5a6cc82171dba297ceab49cda47f2bf5616f87b3.tar.xz
Merge tag 'asoc-fix-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.1 A few more fixes for v4.1, some driver fixes plus one core fix which fixes registration of DAI links when adding prefixes to CODECs to deuplicate in multi-CODEC systems.
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index c8a34476570a..af9662e58272 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -131,12 +131,11 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc)
/* Reinitialize corresponding vblank timestamp if high-precision query
* available. Skip this step if query unsupported or failed. Will
- * reinitialize delayed at next vblank interrupt in that case.
+ * reinitialize delayed at next vblank interrupt in that case and
+ * assign 0 for now, to mark the vblanktimestamp as invalid.
*/
- if (rc) {
- tslot = atomic_read(&vblank->count) + diff;
- vblanktimestamp(dev, crtc, tslot) = t_vblank;
- }
+ tslot = atomic_read(&vblank->count) + diff;
+ vblanktimestamp(dev, crtc, tslot) = rc ? t_vblank : (struct timeval) {0, 0};
smp_mb__before_atomic();
atomic_add(diff, &vblank->count);