Quoting Chris Wilson (2018-03-09 12:11:14)
> If we timeout waiting for the GPU to idle, something went seriously
> wrong. We currently dump the engine state, but we can also dump the
> ftrace buffer showing our last operations (when available).
>
> In passing, note that since commit 559e040f1f08 ("drm/i915: Show the GPU
> state when declaring wedged", we now show the engine state twice, once
> in detecting the failed idle and then again on declaring wedged.
>
> v2: ftrace_dump() takes a parameter specifying whether to dump all cpu
> buffers or the local cpu's.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Regards, Joonas
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