1 /*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright © 2018 Intel Corporation
5 */
6
7 #include "../i915_drv.h"
8
9 #include "../i915_selftest.h"
10 #include "igt_flush_test.h"
11 #include "igt_live_test.h"
12
igt_live_test_begin(struct igt_live_test * t,struct drm_i915_private * i915,const char * func,const char * name)13 int igt_live_test_begin(struct igt_live_test *t,
14 struct drm_i915_private *i915,
15 const char *func,
16 const char *name)
17 {
18 struct intel_engine_cs *engine;
19 enum intel_engine_id id;
20 int err;
21
22 lockdep_assert_held(&i915->drm.struct_mutex);
23
24 t->i915 = i915;
25 t->func = func;
26 t->name = name;
27
28 err = i915_gem_wait_for_idle(i915,
29 I915_WAIT_INTERRUPTIBLE |
30 I915_WAIT_LOCKED,
31 MAX_SCHEDULE_TIMEOUT);
32 if (err) {
33 pr_err("%s(%s): failed to idle before, with err=%d!",
34 func, name, err);
35 return err;
36 }
37
38 t->reset_global = i915_reset_count(&i915->gpu_error);
39
40 for_each_engine(engine, i915, id)
41 t->reset_engine[id] =
42 i915_reset_engine_count(&i915->gpu_error, engine);
43
44 return 0;
45 }
46
igt_live_test_end(struct igt_live_test * t)47 int igt_live_test_end(struct igt_live_test *t)
48 {
49 struct drm_i915_private *i915 = t->i915;
50 struct intel_engine_cs *engine;
51 enum intel_engine_id id;
52
53 lockdep_assert_held(&i915->drm.struct_mutex);
54
55 if (igt_flush_test(i915, I915_WAIT_LOCKED))
56 return -EIO;
57
58 if (t->reset_global != i915_reset_count(&i915->gpu_error)) {
59 pr_err("%s(%s): GPU was reset %d times!\n",
60 t->func, t->name,
61 i915_reset_count(&i915->gpu_error) - t->reset_global);
62 return -EIO;
63 }
64
65 for_each_engine(engine, i915, id) {
66 if (t->reset_engine[id] ==
67 i915_reset_engine_count(&i915->gpu_error, engine))
68 continue;
69
70 pr_err("%s(%s): engine '%s' was reset %d times!\n",
71 t->func, t->name, engine->name,
72 i915_reset_engine_count(&i915->gpu_error, engine) -
73 t->reset_engine[id]);
74 return -EIO;
75 }
76
77 return 0;
78 }
79
