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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-04-19 23:25:14 +0200
committerThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-04-20 15:57:41 +0200
commita8a8108e459977ec8b334e517abd67e1b264337e (patch)
treee69760f0f545a3298380ae3aa41349bf0265e00d /linux-core
parent1ce9c092314ddf005cdadc6937e36d4dc59788ce (diff)
Avoid a fence timeout problem when a signal is pending.
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drm_fence.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c
index be075bb3..441e7631 100644
--- a/linux-core/drm_fence.c
+++ b/linux-core/drm_fence.c
@@ -295,17 +295,21 @@ static int drm_fence_lazy_wait(drm_device_t *dev,
{
drm_fence_manager_t *fm = &dev->fm;
drm_fence_class_manager_t *fc = &fm->class[fence->class];
-
+ int signaled;
unsigned long _end = jiffies + 3*DRM_HZ;
int ret = 0;
do {
DRM_WAIT_ON(ret, fc->fence_queue, 3 * DRM_HZ,
- fence_signaled(dev, fence, mask, 1));
+ (signaled = fence_signaled(dev, fence, mask, 1)));
+ if (signaled)
+ return 0;
if (time_after_eq(jiffies, _end))
break;
} while (ret == -EINTR && ignore_signals);
- if (time_after_eq(jiffies, _end) && (ret != 0))
+ if (fence_signaled(dev, fence, mask, 0))
+ return 0;
+ if (time_after_eq(jiffies, _end))
ret = -EBUSY;
if (ret) {
if (ret == -EBUSY) {