summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
blob: aec9f6d8e47652bcb466f3c79076ede2ea8d9500 (plain)
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
/*
 * Copyright 2015 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/errno.h>
#include "hwmgr.h"
#include "hardwaremanager.h"
#include "power_state.h"
#include "pp_acpi.h"
#include "amd_acpi.h"

void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr)
{
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableVoltageTransition);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableEngineTransition);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMemoryTransition);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMGClockGating);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMGCGTSSM);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableLSClockGating);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_Force3DClockSupport);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableLightSleep);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMCLS);
	phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisablePowerGating);

	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableDPM);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableSMUUVDHandshake);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ThermalAutoThrottling);

	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);

	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_NoOD5Support);
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UserMaxClockForMultiDisplays);

	phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VpuRecoveryInProgress);

	if (acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST) &&
		acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION))
		phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);
}

bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr)
{
	return hwmgr->block_hw_access;
}

int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block)
{
	hwmgr->block_hw_access = block;
	return 0;
}

int phm_setup_asic(struct pp_hwmgr *hwmgr)
{
	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
		PHM_PlatformCaps_TablelessHardwareInterface)) {
		if (NULL != hwmgr->hwmgr_func->asic_setup)
			return hwmgr->hwmgr_func->asic_setup(hwmgr);
	} else {
		return phm_dispatch_table(hwmgr, &(hwmgr->setup_asic),
					  NULL, NULL);
	}

	return 0;
}

int phm_set_power_state(struct pp_hwmgr *hwmgr,
		    const struct pp_hw_power_state *pcurrent_state,
		    const struct pp_hw_power_state *pnew_power_state)
{
	struct phm_set_power_state_input states;

	states.pcurrent_state = pcurrent_state;
	states.pnew_state = pnew_power_state;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
		PHM_PlatformCaps_TablelessHardwareInterface)) {
		if (NULL != hwmgr->hwmgr_func->power_state_set)
			return hwmgr->hwmgr_func->power_state_set(hwmgr, &states);
	} else {
		return phm_dispatch_table(hwmgr, &(hwmgr->set_power_state), &states, NULL);
	}

	return 0;
}

int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
{
	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
		PHM_PlatformCaps_TablelessHardwareInterface)) {
		if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable)
			return hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr);
	} else {
		return phm_dispatch_table(hwmgr,
				&(hwmgr->enable_dynamic_state_management),
				NULL, NULL);
	}
	return 0;
}

int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level)
{
	if (hwmgr->hwmgr_func->force_dpm_level != NULL)
		return hwmgr->hwmgr_func->force_dpm_level(hwmgr, level);

	return 0;
}

int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
				   struct pp_power_state *adjusted_ps,
			     const struct pp_power_state *current_ps)
{
	if (hwmgr->hwmgr_func->apply_state_adjust_rules != NULL)
		return hwmgr->hwmgr_func->apply_state_adjust_rules(
									hwmgr,
								 adjusted_ps,
								 current_ps);
	return 0;
}

int phm_powerdown_uvd(struct pp_hwmgr *hwmgr)
{
	if (hwmgr->hwmgr_func->powerdown_uvd != NULL)
		return hwmgr->hwmgr_func->powerdown_uvd(hwmgr);
	return 0;
}

int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate)
{
	if (hwmgr->hwmgr_func->powergate_uvd != NULL)
		return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate);
	return 0;
}

int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate)
{
	if (hwmgr->hwmgr_func->powergate_vce != NULL)
		return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate);
	return 0;
}

int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr)
{
	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
		PHM_PlatformCaps_TablelessHardwareInterface)) {
		if (NULL != hwmgr->hwmgr_func->enable_clock_power_gating)
			return hwmgr->hwmgr_func->enable_clock_power_gating(hwmgr);
	} else {
		return phm_dispatch_table(hwmgr, &(hwmgr->enable_clock_power_gatings), NULL, NULL);
	}
	return 0;
}