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drm/i915: Hold struct_mutex while unreffing pwrctx object
This also extends the mutex to cover fbc disabling, which is safe. Signed-off-by: Kristian Høgsberg <krh@bitplanet.net> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -4584,8 +4584,6 @@ void intel_modeset_cleanup(struct drm_device *dev)
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intel_increase_renderclock(dev, false);
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del_timer_sync(&dev_priv->idle_timer);
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mutex_unlock(&dev->struct_mutex);
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if (dev_priv->display.disable_fbc)
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dev_priv->display.disable_fbc(dev);
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@ -4594,6 +4592,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
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drm_gem_object_unreference(dev_priv->pwrctx);
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}
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mutex_unlock(&dev->struct_mutex);
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drm_mode_config_cleanup(dev);
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}
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