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
|
/*
* SPDX-License-Identifier: GPL-2.0
*
* Copyright © 2018 Intel Corporation
*/
#include "../i915_selftest.h"
static int intel_mmio_bases_check(void *arg)
{
int i, j;
for (i = 0; i < ARRAY_SIZE(intel_engines); i++) {
const struct engine_info *info = &intel_engines[i];
u8 prev = U8_MAX;
for (j = 0; j < MAX_MMIO_BASES; j++) {
u8 gen = info->mmio_bases[j].gen;
u32 base = info->mmio_bases[j].base;
if (gen >= prev) {
pr_err("%s(%s, class:%d, instance:%d): mmio base for gen %x is before the one for gen %x\n",
__func__,
intel_engine_class_repr(info->class),
info->class, info->instance,
prev, gen);
return -EINVAL;
}
if (gen == 0)
break;
if (!base) {
pr_err("%s(%s, class:%d, instance:%d): invalid mmio base (%x) for gen %x at entry %u\n",
__func__,
intel_engine_class_repr(info->class),
info->class, info->instance,
base, gen, j);
return -EINVAL;
}
prev = gen;
}
pr_debug("%s: min gen supported for %s%d is %d\n",
__func__,
intel_engine_class_repr(info->class),
info->instance,
prev);
}
return 0;
}
int intel_engine_cs_mock_selftests(void)
{
static const struct i915_subtest tests[] = {
SUBTEST(intel_mmio_bases_check),
};
return i915_subtests(tests, NULL);
}
|
