Re: [Intel-gfx] [PATCH v7] drm/i915: Beware temporary wedging when determining -EIO

2019-02-20 Thread Mika Kuoppala
Chris Wilson writes: > At a few points in our uABI, we check to see if the driver is wedged and > report -EIO back to the user in that case. However, as we perform the > check and reset asynchronously, we may instead see the temporary wedging > used to cancel inflight rendering to avoid a deadloc

[Intel-gfx] [PATCH v7] drm/i915: Beware temporary wedging when determining -EIO

2019-02-19 Thread Chris Wilson
At a few points in our uABI, we check to see if the driver is wedged and report -EIO back to the user in that case. However, as we perform the check and reset asynchronously, we may instead see the temporary wedging used to cancel inflight rendering to avoid a deadlock during reset. If we suspect t