1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2016 Intel Corporation
*/
#include "i915_selftest.h"
#include "huge_gem_object.h"
#include "selftests/igt_flush_test.h"
#include "selftests/mock_gem_device.h"
static int igt_gem_object(void *arg)
{
struct drm_i915_private *i915 = arg;
struct drm_i915_gem_object *obj;
int err;
/* Basic test to ensure we can create an object */
obj = i915_gem_object_create_shmem(i915, PAGE_SIZE);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
pr_err("i915_gem_object_create failed, err=%d\n", err);
goto out;
}
err = 0;
i915_gem_object_put(obj);
out:
return err;
}
static int igt_gem_huge(void *arg)
{
const unsigned int nreal = 509; /* just to be awkward */
struct drm_i915_private *i915 = arg;
struct drm_i915_gem_object *obj;
unsigned int n;
int err;
/* Basic sanitycheck of our huge fake object allocation */
obj = huge_gem_object(i915,
nreal * PAGE_SIZE,
i915->ggtt.vm.total + PAGE_SIZE);
if (IS_ERR(obj))
return PTR_ERR(obj);
err = i915_gem_object_pin_pages_unlocked(obj);
if (err) {
pr_err("Failed to allocate %u pages (%lu total), err=%d\n",
nreal, obj->base.size / PAGE_SIZE, err);
goto out;
}
for (n = 0; n < obj->base.size / PAGE_SIZE; n++) {
if (i915_gem_object_get_page(obj, n) !=
i915_gem_object_get_page(obj, n % nreal)) {
pr_err("Page lookup mismatch at index %u [%u]\n",
n, n % nreal);
err = -EINVAL;
goto out_unpin;
}
}
out_unpin:
i915_gem_object_unpin_pages(obj);
out:
i915_gem_object_put(obj);
return err;
}
int i915_gem_object_mock_selftests(void)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_gem_object),
};
struct drm_i915_private *i915;
int err;
i915 = mock_gem_device();
if (!i915)
return -ENOMEM;
err = i915_subtests(tests, i915);
mock_destroy_device(i915);
return err;
}
int i915_gem_object_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_gem_huge),
};
return i915_subtests(tests, i915);
}
|
