On 22/01/2020 11:29, Chris Wilson wrote:
Keep the rq->fence.flags consistent with the status of the
rq->sched.link, and clear the associated bits when decoupling the link
on retirement (as we may wish to inspect those flags independent of
other state).
Fixes: 32ff621fd744 ("drm/i915/gt: Allow temporary suspension of inflight requests")
References: https://gitlab.freedesktop.org/drm/intel/issues/997
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_request.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 9ed0d3bc7249..78a5f5d3c070 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -221,6 +221,8 @@ static void remove_from_engine(struct i915_request *rq)
locked = engine;
}
list_del_init(&rq->sched.link);
+ clear_bit(I915_FENCE_FLAG_PQUEUE, &rq->fence.flags);
+ clear_bit(I915_FENCE_FLAG_HOLD, &rq->fence.flags);
spin_unlock_irq(&locked->active.lock);
}
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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