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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <linux/firmware.h>
#include "drmP.h"
#include "amdgpu.h"
#include "iceland_smumgr.h"
/*(DEBLOBBED)*/
static void iceland_dpm_set_funcs(struct amdgpu_device *adev);
static int iceland_dpm_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
iceland_dpm_set_funcs(adev);
return 0;
}
static int iceland_dpm_init_microcode(struct amdgpu_device *adev)
{
char fw_name[30] = "/*(DEBLOBBED)*/";
int err;
err = reject_firmware(&adev->pm.fw, fw_name, adev->dev);
if (err)
goto out;
err = amdgpu_ucode_validate(adev->pm.fw);
out:
if (err) {
DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
release_firmware(adev->pm.fw);
adev->pm.fw = NULL;
}
return err;
}
static int iceland_dpm_sw_init(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
ret = iceland_dpm_init_microcode(adev);
if (ret)
return ret;
return 0;
}
static int iceland_dpm_sw_fini(void *handle)
{
return 0;
}
static int iceland_dpm_hw_init(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
mutex_lock(&adev->pm.mutex);
/* smu init only needs to be called at startup, not resume.
* It should be in sw_init, but requires the fw info gathered
* in sw_init from other IP modules.
*/
ret = iceland_smu_init(adev);
if (ret) {
DRM_ERROR("SMU initialization failed\n");
goto fail;
}
ret = iceland_smu_start(adev);
if (ret) {
DRM_ERROR("SMU start failed\n");
goto fail;
}
mutex_unlock(&adev->pm.mutex);
return 0;
fail:
adev->firmware.smu_load = false;
mutex_unlock(&adev->pm.mutex);
return -EINVAL;
}
static int iceland_dpm_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
mutex_lock(&adev->pm.mutex);
/* smu fini only needs to be called at teardown, not suspend.
* It should be in sw_fini, but we put it here for symmetry
* with smu init.
*/
iceland_smu_fini(adev);
mutex_unlock(&adev->pm.mutex);
return 0;
}
static int iceland_dpm_suspend(void *handle)
{
return 0;
}
static int iceland_dpm_resume(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
mutex_lock(&adev->pm.mutex);
ret = iceland_smu_start(adev);
if (ret) {
DRM_ERROR("SMU start failed\n");
goto fail;
}
fail:
mutex_unlock(&adev->pm.mutex);
return ret;
}
static int iceland_dpm_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
return 0;
}
static int iceland_dpm_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
return 0;
}
const struct amd_ip_funcs iceland_dpm_ip_funcs = {
.early_init = iceland_dpm_early_init,
.late_init = NULL,
.sw_init = iceland_dpm_sw_init,
.sw_fini = iceland_dpm_sw_fini,
.hw_init = iceland_dpm_hw_init,
.hw_fini = iceland_dpm_hw_fini,
.suspend = iceland_dpm_suspend,
.resume = iceland_dpm_resume,
.is_idle = NULL,
.wait_for_idle = NULL,
.soft_reset = NULL,
.print_status = NULL,
.set_clockgating_state = iceland_dpm_set_clockgating_state,
.set_powergating_state = iceland_dpm_set_powergating_state,
};
static const struct amdgpu_dpm_funcs iceland_dpm_funcs = {
.get_temperature = NULL,
.pre_set_power_state = NULL,
.set_power_state = NULL,
.post_set_power_state = NULL,
.display_configuration_changed = NULL,
.get_sclk = NULL,
.get_mclk = NULL,
.print_power_state = NULL,
.debugfs_print_current_performance_level = NULL,
.force_performance_level = NULL,
.vblank_too_short = NULL,
.powergate_uvd = NULL,
};
static void iceland_dpm_set_funcs(struct amdgpu_device *adev)
{
if (NULL == adev->pm.funcs)
adev->pm.funcs = &iceland_dpm_funcs;
}
|
