drm/i915: Make dev_priv->mm.wedged an atomic_t

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There is a very real possibility that multiple CPUs will notice that the
GPU is wedged. This introduces all sorts of potential race conditions.
Make the wedged flag atomic to mitigate this risk.

Signed-off-by: Ben Gamari <bgamari.foss@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Ben Gamari 2009-09-14 17:48:47 -04:00 • committed by Jesse Barnes

parent f316a42cc4

commit ba1234d17b

3 changed files with 18 additions and 17 deletions

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2

drivers/gpu/drm/i915/i915_drv.h

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18

drivers/gpu/drm/i915/i915_gem.c

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15

drivers/gpu/drm/i915/i915_irq.c

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