[Intel-gfx] [PATCH] drm/i915/gt: Call stop_ring() from ring resume, again

Chris Wilson chris at chris-wilson.co.uk
Thu Jan 21 11:30:49 UTC 2021

Quoting Chris Wilson (2021-01-20 23:28:35)
> For reasons I cannot explain, except to say this is Sandybridge after
> all, call stop_ring() again dring ring resume in order to prevent
> mysterious hard hangs.
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> ---
> If this survives the night on my snb-2500, I declare victory.

It managed almost 3 hours; a record. But still not enough.

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