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
|
From c101f8583722aa3b68a016e227db0a5555cf864b Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Fri, 23 Feb 2018 16:41:20 +0800
Subject: [PATCH 3679/4131] drm/amd/pp: Implement update_dpm_settings on Tonga
use SW method to update DPM settings by updating SRAM
directly on Tonga.
Change-Id: I75e8437240c92ab94506fe0f0bc3eb535a7fd707
Reviewed-by: Alex Deucher <alexdeucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
.../gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c | 97 ++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index a268b98..86fb770 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -3277,6 +3277,102 @@ static int tonga_populate_requested_graphic_levels(struct pp_hwmgr *hwmgr,
array_size, SMC_RAM_END);
}
+static int tonga_update_dpm_settings(struct pp_hwmgr *hwmgr,
+ void *profile_setting)
+{
+ struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+ struct tonga_smumgr *smu_data = (struct tonga_smumgr *)
+ (hwmgr->smu_backend);
+ struct profile_mode_setting *setting;
+ struct SMU72_Discrete_GraphicsLevel *levels =
+ smu_data->smc_state_table.GraphicsLevel;
+ uint32_t array = smu_data->smu7_data.dpm_table_start +
+ offsetof(SMU72_Discrete_DpmTable, GraphicsLevel);
+
+ uint32_t mclk_array = smu_data->smu7_data.dpm_table_start +
+ offsetof(SMU72_Discrete_DpmTable, MemoryLevel);
+ struct SMU72_Discrete_MemoryLevel *mclk_levels =
+ smu_data->smc_state_table.MemoryLevel;
+ uint32_t i;
+ uint32_t offset, up_hyst_offset, down_hyst_offset, clk_activity_offset, tmp;
+
+ if (profile_setting == NULL)
+ return -EINVAL;
+
+ setting = (struct profile_mode_setting *)profile_setting;
+
+ if (setting->bupdate_sclk) {
+ if (!data->sclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel);
+ for (i = 0; i < smu_data->smc_state_table.GraphicsDpmLevelCount; i++) {
+ if (levels[i].ActivityLevel !=
+ cpu_to_be16(setting->sclk_activity)) {
+ levels[i].ActivityLevel = cpu_to_be16(setting->sclk_activity);
+
+ clk_activity_offset = array + (sizeof(SMU72_Discrete_GraphicsLevel) * i)
+ + offsetof(SMU72_Discrete_GraphicsLevel, ActivityLevel);
+ offset = clk_activity_offset & ~0x3;
+ tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset));
+ tmp = phm_set_field_to_u32(clk_activity_offset, tmp, levels[i].ActivityLevel, sizeof(uint16_t));
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+
+ }
+ if (levels[i].UpHyst != setting->sclk_up_hyst ||
+ levels[i].DownHyst != setting->sclk_down_hyst) {
+ levels[i].UpHyst = setting->sclk_up_hyst;
+ levels[i].DownHyst = setting->sclk_down_hyst;
+ up_hyst_offset = array + (sizeof(SMU72_Discrete_GraphicsLevel) * i)
+ + offsetof(SMU72_Discrete_GraphicsLevel, UpHyst);
+ down_hyst_offset = array + (sizeof(SMU72_Discrete_GraphicsLevel) * i)
+ + offsetof(SMU72_Discrete_GraphicsLevel, DownHyst);
+ offset = up_hyst_offset & ~0x3;
+ tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset));
+ tmp = phm_set_field_to_u32(up_hyst_offset, tmp, levels[i].UpHyst, sizeof(uint8_t));
+ tmp = phm_set_field_to_u32(down_hyst_offset, tmp, levels[i].DownHyst, sizeof(uint8_t));
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+ }
+ }
+ if (!data->sclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
+ }
+
+ if (setting->bupdate_mclk) {
+ if (!data->mclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel);
+ for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount; i++) {
+ if (mclk_levels[i].ActivityLevel !=
+ cpu_to_be16(setting->mclk_activity)) {
+ mclk_levels[i].ActivityLevel = cpu_to_be16(setting->mclk_activity);
+
+ clk_activity_offset = mclk_array + (sizeof(SMU72_Discrete_MemoryLevel) * i)
+ + offsetof(SMU72_Discrete_MemoryLevel, ActivityLevel);
+ offset = clk_activity_offset & ~0x3;
+ tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset));
+ tmp = phm_set_field_to_u32(clk_activity_offset, tmp, mclk_levels[i].ActivityLevel, sizeof(uint16_t));
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+
+ }
+ if (mclk_levels[i].UpHyst != setting->mclk_up_hyst ||
+ mclk_levels[i].DownHyst != setting->mclk_down_hyst) {
+ mclk_levels[i].UpHyst = setting->mclk_up_hyst;
+ mclk_levels[i].DownHyst = setting->mclk_down_hyst;
+ up_hyst_offset = mclk_array + (sizeof(SMU72_Discrete_MemoryLevel) * i)
+ + offsetof(SMU72_Discrete_MemoryLevel, UpHyst);
+ down_hyst_offset = mclk_array + (sizeof(SMU72_Discrete_MemoryLevel) * i)
+ + offsetof(SMU72_Discrete_MemoryLevel, DownHyst);
+ offset = up_hyst_offset & ~0x3;
+ tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset));
+ tmp = phm_set_field_to_u32(up_hyst_offset, tmp, mclk_levels[i].UpHyst, sizeof(uint8_t));
+ tmp = phm_set_field_to_u32(down_hyst_offset, tmp, mclk_levels[i].DownHyst, sizeof(uint8_t));
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp));
+ }
+ }
+ if (!data->mclk_dpm_key_disabled)
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
+ }
+ return 0;
+}
+
const struct pp_smumgr_func tonga_smu_funcs = {
.smu_init = &tonga_smu_init,
.smu_fini = &smu7_smu_fini,
@@ -3300,4 +3396,5 @@ const struct pp_smumgr_func tonga_smu_funcs = {
.initialize_mc_reg_table = tonga_initialize_mc_reg_table,
.is_dpm_running = tonga_is_dpm_running,
.populate_requested_graphic_levels = tonga_populate_requested_graphic_levels,
+ .update_dpm_settings = tonga_update_dpm_settings,
};
--
2.7.4
|
