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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2012-04-25 21:20:33 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-05-24 06:31:59 (GMT) |
| commit | 695b95b810d1c3024d7bad9e3658a35e11a60d86 (patch) | |
| tree | 20a57ff7ec4ee458ff409eb26b3238fac8960182 /drivers/gpu/drm/nouveau | |
| parent | d58086deaa32dc5e630aab222851b282f77e00bb (diff) | |
| download | linux-695b95b810d1c3024d7bad9e3658a35e11a60d86.tar.xz | |
drm/nouveau: base fence timeout on time of emission
Wait loop can be interrupted by signal, so if signals are raised
periodically (e.g. SIGALRM) this loop may never finish. Use
emission time as a base for fence timeout.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index cb19bf4..ff5969d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -44,6 +44,7 @@ struct nouveau_fence { uint32_t sequence; bool signalled; + unsigned long timeout; void (*work)(void *priv, bool signalled); void *priv; @@ -172,6 +173,7 @@ nouveau_fence_emit(struct nouveau_fence *fence) } OUT_RING (chan, fence->sequence); FIRE_RING(chan); + fence->timeout = jiffies + 3 * DRM_HZ; return 0; } @@ -230,7 +232,8 @@ __nouveau_fence_signalled(void *sync_obj, void *sync_arg) int __nouveau_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr) { - unsigned long timeout = jiffies + (3 * DRM_HZ); + struct nouveau_fence *fence = nouveau_fence(sync_obj); + unsigned long timeout = fence->timeout; unsigned long sleep_time = NSEC_PER_MSEC / 1000; ktime_t t; int ret = 0; |