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