71 строка
2.2 KiB
C
71 строка
2.2 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Keith Packard <keithp@keithp.com>
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*
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*/
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#include <drm/drmP.h>
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#include <drm/i915_drm.h>
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#include "i915_drv.h"
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#if WATCH_LISTS
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int
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i915_verify_lists(struct drm_device *dev)
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{
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static int warned;
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struct drm_i915_private *dev_priv = to_i915(dev);
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struct drm_i915_gem_object *obj;
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struct intel_engine_cs *engine;
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int err = 0;
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if (warned)
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return 0;
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for_each_engine(engine, dev_priv) {
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list_for_each_entry(obj, &engine->active_list,
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engine_list[engine->id]) {
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if (obj->base.dev != dev ||
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!atomic_read(&obj->base.refcount.refcount)) {
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DRM_ERROR("%s: freed active obj %p\n",
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engine->name, obj);
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err++;
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break;
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} else if (!obj->active ||
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obj->last_read_req[engine->id] == NULL) {
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DRM_ERROR("%s: invalid active obj %p\n",
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engine->name, obj);
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err++;
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} else if (obj->base.write_domain) {
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DRM_ERROR("%s: invalid write obj %p (w %x)\n",
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engine->name,
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obj, obj->base.write_domain);
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err++;
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}
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}
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}
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return warned = err;
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}
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#endif /* WATCH_LIST */
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