drm/i915: initialize the parity work only once

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This fixes an (albeit really hard to hit) race resulting in an oops:
- The parity work get scheduled.
- We re-init the irq state and call INIT_WORK again.
- The workqueue code tries to run the work item and stumbles over a
  work item that should be on it's runlist.

Also initiliaze the work item unconditionally like all the others,
it's simpler.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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This commit is contained in:

Daniel Vetter 2012-05-31 14:57:42 +02:00

parent d2ba8470cc

commit 98fd81cd64

1 changed files with 1 additions and 4 deletions

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drivers/gpu/drm/i915/i915_irq.c

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