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 | |
28 | #include <drm/drmP.h> |
29 | #include <drm/i915_drm.h> |
30 | #include "i915_drv.h" |
31 | |
32 | #if WATCH_LISTS |
33 | int |
34 | i915_verify_lists(struct drm_device *dev) |
35 | { |
36 | static int warned; |
37 | struct drm_i915_private *dev_priv = dev->dev_private; |
38 | struct drm_i915_gem_object *obj; |
39 | int err = 0; |
40 | |
41 | if (warned) |
42 | return 0; |
43 | |
44 | list_for_each_entry(obj, &dev_priv->render_ring.active_list, list) { |
45 | if (obj->base.dev != dev || |
46 | !atomic_read(&obj->base.refcount.refcount)) { |
47 | DRM_ERROR("freed render active %p\n" , obj); |
48 | err++; |
49 | break; |
50 | } else if (!obj->active || |
51 | (obj->base.read_domains & I915_GEM_GPU_DOMAINS) == 0) { |
52 | DRM_ERROR("invalid render active %p (a %d r %x)\n" , |
53 | obj, |
54 | obj->active, |
55 | obj->base.read_domains); |
56 | err++; |
57 | } else if (obj->base.write_domain && list_empty(&obj->gpu_write_list)) { |
58 | DRM_ERROR("invalid render active %p (w %x, gwl %d)\n" , |
59 | obj, |
60 | obj->base.write_domain, |
61 | !list_empty(&obj->gpu_write_list)); |
62 | err++; |
63 | } |
64 | } |
65 | |
66 | list_for_each_entry(obj, &dev_priv->mm.flushing_list, list) { |
67 | if (obj->base.dev != dev || |
68 | !atomic_read(&obj->base.refcount.refcount)) { |
69 | DRM_ERROR("freed flushing %p\n" , obj); |
70 | err++; |
71 | break; |
72 | } else if (!obj->active || |
73 | (obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0 || |
74 | list_empty(&obj->gpu_write_list)) { |
75 | DRM_ERROR("invalid flushing %p (a %d w %x gwl %d)\n" , |
76 | obj, |
77 | obj->active, |
78 | obj->base.write_domain, |
79 | !list_empty(&obj->gpu_write_list)); |
80 | err++; |
81 | } |
82 | } |
83 | |
84 | list_for_each_entry(obj, &dev_priv->mm.gpu_write_list, gpu_write_list) { |
85 | if (obj->base.dev != dev || |
86 | !atomic_read(&obj->base.refcount.refcount)) { |
87 | DRM_ERROR("freed gpu write %p\n" , obj); |
88 | err++; |
89 | break; |
90 | } else if (!obj->active || |
91 | (obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0) { |
92 | DRM_ERROR("invalid gpu write %p (a %d w %x)\n" , |
93 | obj, |
94 | obj->active, |
95 | obj->base.write_domain); |
96 | err++; |
97 | } |
98 | } |
99 | |
100 | list_for_each_entry(obj, &i915_gtt_vm->inactive_list, list) { |
101 | if (obj->base.dev != dev || |
102 | !atomic_read(&obj->base.refcount.refcount)) { |
103 | DRM_ERROR("freed inactive %p\n" , obj); |
104 | err++; |
105 | break; |
106 | } else if (obj->pin_count || obj->active || |
107 | (obj->base.write_domain & I915_GEM_GPU_DOMAINS)) { |
108 | DRM_ERROR("invalid inactive %p (p %d a %d w %x)\n" , |
109 | obj, |
110 | obj->pin_count, obj->active, |
111 | obj->base.write_domain); |
112 | err++; |
113 | } |
114 | } |
115 | |
116 | return warned = err; |
117 | } |
118 | #endif /* WATCH_LIST */ |
119 | |