drm/nouveau/tmr: provide backtrace when a timeout is hit

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-02-17 15:08:10 +10:00
parent 5112abc6a4
commit eb875d87d9

View File

@ -48,10 +48,8 @@ void nvkm_timer_alarm_cancel(struct nvkm_timer *, struct nvkm_alarm *);
} while (_taken = nvkm_timer_read(_tmr) - _time0, _taken < _nsecs); \
\
if (_taken >= _nsecs) { \
if (_warn) { \
dev_warn(_device->dev, "timeout at %s:%d/%s()!\n", \
__FILE__, __LINE__, __func__); \
} \
if (_warn) \
dev_WARN(_device->dev, "timeout\n"); \
_taken = -ETIMEDOUT; \
} \
_taken; \