Re: [PATCH 06/24] drm/i915: Remove locking from i915_gem_object_prepare_read/write

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On 8/10/20 12:30 PM, Maarten Lankhorst wrote:
Execbuffer submission will perform its own WW locking, and we
cannot rely on the implicit lock there.

This also makes it clear that the GVT code will get a lockdep splat when
multiple batchbuffer shadows need to be performed in the same instance,
fix that up.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

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


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