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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2021 Intel Corporation
*/
#include <drm/drm_drv.h>
#include "gem/i915_gem_context.h"
#include "gem/i915_gem_object.h"
#include "i915_active.h"
#include "i915_driver.h"
#include "i915_params.h"
#include "i915_pci.h"
#include "i915_perf.h"
#include "i915_request.h"
#include "i915_scheduler.h"
#include "i915_selftest.h"
#include "i915_vma.h"
#include "i915_vma_resource.h"
static int i915_check_nomodeset(void)
{
bool use_kms = true;
/*
* Enable KMS by default, unless explicitly overriden by
* either the i915.modeset parameter or by the
* nomodeset boot option.
*/
if (i915_modparams.modeset == 0)
use_kms = false;
if (drm_firmware_drivers_only() && i915_modparams.modeset == -1)
use_kms = false;
if (!use_kms) {
/* Silently fail loading to not upset userspace. */
DRM_DEBUG_DRIVER("KMS disabled.\n");
return 1;
}
return 0;
}
static const struct {
int (*init)(void);
void (*exit)(void);
} init_funcs[] = {
{ .init = i915_check_nomodeset },
{ .init = i915_active_module_init,
.exit = i915_active_module_exit },
{ .init = i915_context_module_init,
.exit = i915_context_module_exit },
{ .init = i915_gem_context_module_init,
.exit = i915_gem_context_module_exit },
{ .init = i915_objects_module_init,
.exit = i915_objects_module_exit },
{ .init = i915_request_module_init,
.exit = i915_request_module_exit },
{ .init = i915_scheduler_module_init,
.exit = i915_scheduler_module_exit },
{ .init = i915_vma_module_init,
.exit = i915_vma_module_exit },
{ .init = i915_vma_resource_module_init,
.exit = i915_vma_resource_module_exit },
{ .init = i915_mock_selftests },
{ .init = i915_pmu_init,
.exit = i915_pmu_exit },
{ .init = i915_pci_register_driver,
.exit = i915_pci_unregister_driver },
{ .init = i915_perf_sysctl_register,
.exit = i915_perf_sysctl_unregister },
};
static int init_progress;
static int __init i915_init(void)
{
int err, i;
for (i = 0; i < ARRAY_SIZE(init_funcs); i++) {
err = init_funcs[i].init();
if (err < 0) {
while (i--) {
if (init_funcs[i].exit)
init_funcs[i].exit();
}
return err;
} else if (err > 0) {
/*
* Early-exit success is reserved for things which
* don't have an exit() function because we have no
* idea how far they got or how to partially tear
* them down.
*/
WARN_ON(init_funcs[i].exit);
break;
}
}
init_progress = i;
return 0;
}
static void __exit i915_exit(void)
{
int i;
for (i = init_progress - 1; i >= 0; i--) {
GEM_BUG_ON(i >= ARRAY_SIZE(init_funcs));
if (init_funcs[i].exit)
init_funcs[i].exit();
}
}
module_init(i915_init);
module_exit(i915_exit);
MODULE_AUTHOR("Tungsten Graphics, Inc.");
MODULE_AUTHOR("Intel Corporation");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
|
