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673a394b EA |
1 | /* |
2 | * Copyright © 2008 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
21 | * IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Keith Packard <keithp@keithp.com> | |
25 | * | |
26 | */ | |
27 | ||
760285e7 DH |
28 | #include <drm/drmP.h> |
29 | #include <drm/i915_drm.h> | |
673a394b EA |
30 | #include "i915_drv.h" |
31 | ||
23bc5982 CW |
32 | #if WATCH_LISTS |
33 | int | |
34 | i915_verify_lists(struct drm_device *dev) | |
673a394b | 35 | { |
23bc5982 | 36 | static int warned; |
b4716185 | 37 | struct drm_i915_private *dev_priv = to_i915(dev); |
23bc5982 | 38 | struct drm_i915_gem_object *obj; |
e2f80391 | 39 | struct intel_engine_cs *engine; |
23bc5982 CW |
40 | int err = 0; |
41 | ||
42 | if (warned) | |
43 | return 0; | |
44 | ||
b4ac5afc | 45 | for_each_engine(engine, dev_priv) { |
e2f80391 | 46 | list_for_each_entry(obj, &engine->active_list, |
117897f4 | 47 | engine_list[engine->id]) { |
b4716185 CW |
48 | if (obj->base.dev != dev || |
49 | !atomic_read(&obj->base.refcount.refcount)) { | |
50 | DRM_ERROR("%s: freed active obj %p\n", | |
e2f80391 | 51 | engine->name, obj); |
b4716185 CW |
52 | err++; |
53 | break; | |
54 | } else if (!obj->active || | |
e2f80391 | 55 | obj->last_read_req[engine->id] == NULL) { |
b4716185 | 56 | DRM_ERROR("%s: invalid active obj %p\n", |
e2f80391 | 57 | engine->name, obj); |
b4716185 CW |
58 | err++; |
59 | } else if (obj->base.write_domain) { | |
60 | DRM_ERROR("%s: invalid write obj %p (w %x)\n", | |
e2f80391 | 61 | engine->name, |
b4716185 CW |
62 | obj, obj->base.write_domain); |
63 | err++; | |
64 | } | |
23bc5982 | 65 | } |
673a394b | 66 | } |
23bc5982 | 67 | |
23bc5982 | 68 | return warned = err; |
673a394b | 69 | } |
c55651b3 | 70 | #endif /* WATCH_LIST */ |