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drm/vc4: Free hang state before destroying BO cache.

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The BO cache will complain if BOs are still allocated when we try to
destroy it (since freeing those BOs would try to hit the cache).  You
could hit this if you were to unload the module after a GPU hang.

Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 214613656b ("drm/vc4: Add an interface for capturing the GPU state after a hang.")
This commit is contained in:
Eric Anholt 2016-07-26 13:47:13 -07:00
parent 163195fc12
commit def9652770
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/vc4/vc4_gem.c
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@ -942,8 +942,8 @@ vc4_gem_destroy(struct drm_device *dev)
vc4->overflow_mem = NULL;
}
vc4_bo_cache_destroy(dev);
if (vc4->hang_state)
vc4_free_hang_state(dev, vc4->hang_state);
vc4_bo_cache_destroy(dev);
}