Re: [PATCH v2 24/24] drm/i915: Do not share hwsp across contexts any more

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On 8/19/20 4:09 PM, Maarten Lankhorst wrote:
Instead of sharing pages with breadcrumbs, give each timeline a
single page. This allows unrelated timelines not to share locks
any more during command submission.

As an additional benefit, seqno wraparound no longer requires
i915_vma_pin, which means we no longer need to worry about a
potential -EDEADLK at a point where we are ready to submit.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>

Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxx>


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