drm/i915/blt: Remove recursive vma->lock

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As we have already plugged the w->dma into the reservation_object, and
have set ourselves up to automatically signal the request and w->dma on
completion, we do not need to export the rq->fence directly and just use
the w->dma fence.

This avoids having to take the reservation_lock inside the worker which
cross-release lockdep would complain about. :)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190621215733.12070-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-06-21 22:57:33 +01:00

parent fb993aa7a4

commit b2dbf8d982

2 changed files with 7 additions and 18 deletions

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14

drivers/gpu/drm/i915/gem/i915_gem_client_blt.c

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11

drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c

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