提交 05991110 编写于 作者: K Kulikov Vasiliy 提交者: Ben Skeggs

drm/nouveau: set TASK_(UN)INTERRUPTIBLE before schedule_timeout()

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: NKulikov Vasiliy <segooon@gmail.com>
Signed-off-by: NFrancisco Jerez <currojerez@riseup.net>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 0ccb3a75
......@@ -186,8 +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))
break;
......@@ -197,6 +195,8 @@ 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);
......
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