set_current_state() is called only once before the first iteration.
After return from schedule_timeout() current state is TASK_RUNNING. If
we are going to wait again, set_current_state() must be called.
Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_fence.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 813d853..b7777ae 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -186,7 +186,6 @@ nouveau_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr)
unsigned long timeout = jiffies + (3 * DRM_HZ);
int ret = 0;
- __set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
while (1) {
if (nouveau_fence_signalled(sync_obj, sync_arg))
@@ -197,6 +196,8 @@ nouveau_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr)
break;
}
+ __set_current_state(intr ? TASK_INTERRUPTIBLE
+ : TASK_UNINTERRUPTIBLE);
if (lazy)
schedule_timeout(1);
--
1.7.0.4
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