root/drivers/gpu/drm/amd/amdgpu/kv_dpm.c

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DEFINITIONS

This source file includes following definitions.
  1. kv_convert_vid2_to_vid7
  2. kv_convert_vid7_to_vid2
  3. sumo_take_smu_control
  4. sumo_construct_sclk_voltage_mapping_table
  5. sumo_construct_vid_mapping_table
  6. kv_get_ps
  7. kv_get_pi
  8. kv_program_local_cac_table
  9. kv_program_pt_config_registers
  10. kv_do_enable_didt
  11. kv_enable_didt
  12. kv_initialize_hardware_cac_manager
  13. kv_enable_smc_cac
  14. kv_process_firmware_header
  15. kv_enable_dpm_voltage_scaling
  16. kv_set_dpm_interval
  17. kv_set_dpm_boot_state
  18. kv_program_vc
  19. kv_clear_vc
  20. kv_set_divider_value
  21. kv_convert_8bit_index_to_voltage
  22. kv_convert_2bit_index_to_voltage
  23. kv_set_vid
  24. kv_set_at
  25. kv_dpm_power_level_enable
  26. kv_start_dpm
  27. kv_stop_dpm
  28. kv_start_am
  29. kv_reset_am
  30. kv_freeze_sclk_dpm
  31. kv_force_lowest_valid
  32. kv_unforce_levels
  33. kv_update_sclk_t
  34. kv_program_bootup_state
  35. kv_enable_auto_thermal_throttling
  36. kv_upload_dpm_settings
  37. kv_get_clock_difference
  38. kv_get_clk_bypass
  39. kv_populate_uvd_table
  40. kv_populate_vce_table
  41. kv_populate_samu_table
  42. kv_populate_acp_table
  43. kv_calculate_dfs_bypass_settings
  44. kv_enable_ulv
  45. kv_reset_acp_boot_level
  46. kv_update_current_ps
  47. kv_update_requested_ps
  48. kv_dpm_enable_bapm
  49. kv_dpm_enable
  50. kv_dpm_disable
  51. kv_write_smc_soft_register
  52. kv_read_smc_soft_register
  53. kv_init_sclk_t
  54. kv_init_fps_limits
  55. kv_init_powergate_state
  56. kv_enable_uvd_dpm
  57. kv_enable_vce_dpm
  58. kv_enable_samu_dpm
  59. kv_enable_acp_dpm
  60. kv_update_uvd_dpm
  61. kv_get_vce_boot_level
  62. kv_update_vce_dpm
  63. kv_update_samu_dpm
  64. kv_get_acp_boot_level
  65. kv_update_acp_boot_level
  66. kv_update_acp_dpm
  67. kv_dpm_powergate_uvd
  68. kv_dpm_powergate_vce
  69. kv_dpm_powergate_samu
  70. kv_dpm_powergate_acp
  71. kv_set_valid_clock_range
  72. kv_update_dfs_bypass_settings
  73. kv_enable_nb_dpm
  74. kv_dpm_force_performance_level
  75. kv_dpm_pre_set_power_state
  76. kv_dpm_set_power_state
  77. kv_dpm_post_set_power_state
  78. kv_dpm_setup_asic
  79. kv_dpm_reset_asic
  80. kv_construct_max_power_limits_table
  81. kv_patch_voltage_values
  82. kv_construct_boot_state
  83. kv_force_dpm_highest
  84. kv_force_dpm_lowest
  85. kv_get_sleep_divider_id_from_clock
  86. kv_get_high_voltage_limit
  87. kv_apply_state_adjust_rules
  88. kv_dpm_power_level_enabled_for_throttle
  89. kv_calculate_ds_divider
  90. kv_calculate_nbps_level_settings
  91. kv_calculate_dpm_settings
  92. kv_init_graphics_levels
  93. kv_enable_new_levels
  94. kv_set_enabled_level
  95. kv_set_enabled_levels
  96. kv_program_nbps_index_settings
  97. kv_set_thermal_temperature_range
  98. kv_parse_sys_info_table
  99. kv_patch_boot_state
  100. kv_parse_pplib_non_clock_info
  101. kv_parse_pplib_clock_info
  102. kv_parse_power_table
  103. kv_dpm_init
  104. kv_dpm_debugfs_print_current_performance_level
  105. kv_dpm_print_power_state
  106. kv_dpm_fini
  107. kv_dpm_display_configuration_changed
  108. kv_dpm_get_sclk
  109. kv_dpm_get_mclk
  110. kv_dpm_get_temp
  111. kv_dpm_early_init
  112. kv_dpm_late_init
  113. kv_dpm_sw_init
  114. kv_dpm_sw_fini
  115. kv_dpm_hw_init
  116. kv_dpm_hw_fini
  117. kv_dpm_suspend
  118. kv_dpm_resume
  119. kv_dpm_is_idle
  120. kv_dpm_wait_for_idle
  121. kv_dpm_soft_reset
  122. kv_dpm_set_interrupt_state
  123. kv_dpm_process_interrupt
  124. kv_dpm_set_clockgating_state
  125. kv_dpm_set_powergating_state
  126. kv_are_power_levels_equal
  127. kv_check_state_equal
  128. kv_dpm_read_sensor
  129. kv_set_powergating_by_smu
  130. kv_dpm_set_irq_funcs

   1 /*
   2  * Copyright 2013 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 
  24 #include "amdgpu.h"
  25 #include "amdgpu_pm.h"
  26 #include "cikd.h"
  27 #include "atom.h"
  28 #include "amdgpu_atombios.h"
  29 #include "amdgpu_dpm.h"
  30 #include "kv_dpm.h"
  31 #include "gfx_v7_0.h"
  32 #include <linux/seq_file.h>
  33 
  34 #include "smu/smu_7_0_0_d.h"
  35 #include "smu/smu_7_0_0_sh_mask.h"
  36 
  37 #include "gca/gfx_7_2_d.h"
  38 #include "gca/gfx_7_2_sh_mask.h"
  39 
  40 #define KV_MAX_DEEPSLEEP_DIVIDER_ID     5
  41 #define KV_MINIMUM_ENGINE_CLOCK         800
  42 #define SMC_RAM_END                     0x40000
  43 
  44 static const struct amd_pm_funcs kv_dpm_funcs;
  45 
  46 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev);
  47 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
  48                             bool enable);
  49 static void kv_init_graphics_levels(struct amdgpu_device *adev);
  50 static int kv_calculate_ds_divider(struct amdgpu_device *adev);
  51 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev);
  52 static int kv_calculate_dpm_settings(struct amdgpu_device *adev);
  53 static void kv_enable_new_levels(struct amdgpu_device *adev);
  54 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
  55                                            struct amdgpu_ps *new_rps);
  56 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level);
  57 static int kv_set_enabled_levels(struct amdgpu_device *adev);
  58 static int kv_force_dpm_highest(struct amdgpu_device *adev);
  59 static int kv_force_dpm_lowest(struct amdgpu_device *adev);
  60 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
  61                                         struct amdgpu_ps *new_rps,
  62                                         struct amdgpu_ps *old_rps);
  63 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
  64                                             int min_temp, int max_temp);
  65 static int kv_init_fps_limits(struct amdgpu_device *adev);
  66 
  67 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate);
  68 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate);
  69 
  70 
  71 static u32 kv_convert_vid2_to_vid7(struct amdgpu_device *adev,
  72                                    struct sumo_vid_mapping_table *vid_mapping_table,
  73                                    u32 vid_2bit)
  74 {
  75         struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
  76                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
  77         u32 i;
  78 
  79         if (vddc_sclk_table && vddc_sclk_table->count) {
  80                 if (vid_2bit < vddc_sclk_table->count)
  81                         return vddc_sclk_table->entries[vid_2bit].v;
  82                 else
  83                         return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v;
  84         } else {
  85                 for (i = 0; i < vid_mapping_table->num_entries; i++) {
  86                         if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
  87                                 return vid_mapping_table->entries[i].vid_7bit;
  88                 }
  89                 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
  90         }
  91 }
  92 
  93 static u32 kv_convert_vid7_to_vid2(struct amdgpu_device *adev,
  94                                    struct sumo_vid_mapping_table *vid_mapping_table,
  95                                    u32 vid_7bit)
  96 {
  97         struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
  98                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
  99         u32 i;
 100 
 101         if (vddc_sclk_table && vddc_sclk_table->count) {
 102                 for (i = 0; i < vddc_sclk_table->count; i++) {
 103                         if (vddc_sclk_table->entries[i].v == vid_7bit)
 104                                 return i;
 105                 }
 106                 return vddc_sclk_table->count - 1;
 107         } else {
 108                 for (i = 0; i < vid_mapping_table->num_entries; i++) {
 109                         if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
 110                                 return vid_mapping_table->entries[i].vid_2bit;
 111                 }
 112 
 113                 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
 114         }
 115 }
 116 
 117 static void sumo_take_smu_control(struct amdgpu_device *adev, bool enable)
 118 {
 119 /* This bit selects who handles display phy powergating.
 120  * Clear the bit to let atom handle it.
 121  * Set it to let the driver handle it.
 122  * For now we just let atom handle it.
 123  */
 124 #if 0
 125         u32 v = RREG32(mmDOUT_SCRATCH3);
 126 
 127         if (enable)
 128                 v |= 0x4;
 129         else
 130                 v &= 0xFFFFFFFB;
 131 
 132         WREG32(mmDOUT_SCRATCH3, v);
 133 #endif
 134 }
 135 
 136 static void sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device *adev,
 137                                                       struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table,
 138                                                       ATOM_AVAILABLE_SCLK_LIST *table)
 139 {
 140         u32 i;
 141         u32 n = 0;
 142         u32 prev_sclk = 0;
 143 
 144         for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
 145                 if (table[i].ulSupportedSCLK > prev_sclk) {
 146                         sclk_voltage_mapping_table->entries[n].sclk_frequency =
 147                                 table[i].ulSupportedSCLK;
 148                         sclk_voltage_mapping_table->entries[n].vid_2bit =
 149                                 table[i].usVoltageIndex;
 150                         prev_sclk = table[i].ulSupportedSCLK;
 151                         n++;
 152                 }
 153         }
 154 
 155         sclk_voltage_mapping_table->num_max_dpm_entries = n;
 156 }
 157 
 158 static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev,
 159                                              struct sumo_vid_mapping_table *vid_mapping_table,
 160                                              ATOM_AVAILABLE_SCLK_LIST *table)
 161 {
 162         u32 i, j;
 163 
 164         for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
 165                 if (table[i].ulSupportedSCLK != 0) {
 166                         vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit =
 167                                 table[i].usVoltageID;
 168                         vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =
 169                                 table[i].usVoltageIndex;
 170                 }
 171         }
 172 
 173         for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
 174                 if (vid_mapping_table->entries[i].vid_7bit == 0) {
 175                         for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
 176                                 if (vid_mapping_table->entries[j].vid_7bit != 0) {
 177                                         vid_mapping_table->entries[i] =
 178                                                 vid_mapping_table->entries[j];
 179                                         vid_mapping_table->entries[j].vid_7bit = 0;
 180                                         break;
 181                                 }
 182                         }
 183 
 184                         if (j == SUMO_MAX_NUMBER_VOLTAGES)
 185                                 break;
 186                 }
 187         }
 188 
 189         vid_mapping_table->num_entries = i;
 190 }
 191 
 192 #if 0
 193 static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] =
 194 {
 195         {  0,       4,        1    },
 196         {  1,       4,        1    },
 197         {  2,       5,        1    },
 198         {  3,       4,        2    },
 199         {  4,       1,        1    },
 200         {  5,       5,        2    },
 201         {  6,       6,        1    },
 202         {  7,       9,        2    },
 203         { 0xffffffff }
 204 };
 205 
 206 static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] =
 207 {
 208         {  0,       4,        1    },
 209         { 0xffffffff }
 210 };
 211 
 212 static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] =
 213 {
 214         {  0,       4,        1    },
 215         { 0xffffffff }
 216 };
 217 
 218 static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] =
 219 {
 220         {  0,       4,        1    },
 221         { 0xffffffff }
 222 };
 223 
 224 static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] =
 225 {
 226         {  0,       4,        1    },
 227         { 0xffffffff }
 228 };
 229 
 230 static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] =
 231 {
 232         {  0,       4,        1    },
 233         {  1,       4,        1    },
 234         {  2,       5,        1    },
 235         {  3,       4,        1    },
 236         {  4,       1,        1    },
 237         {  5,       5,        1    },
 238         {  6,       6,        1    },
 239         {  7,       9,        1    },
 240         {  8,       4,        1    },
 241         {  9,       2,        1    },
 242         {  10,      3,        1    },
 243         {  11,      6,        1    },
 244         {  12,      8,        2    },
 245         {  13,      1,        1    },
 246         {  14,      2,        1    },
 247         {  15,      3,        1    },
 248         {  16,      1,        1    },
 249         {  17,      4,        1    },
 250         {  18,      3,        1    },
 251         {  19,      1,        1    },
 252         {  20,      8,        1    },
 253         {  21,      5,        1    },
 254         {  22,      1,        1    },
 255         {  23,      1,        1    },
 256         {  24,      4,        1    },
 257         {  27,      6,        1    },
 258         {  28,      1,        1    },
 259         { 0xffffffff }
 260 };
 261 
 262 static const struct kv_lcac_config_reg sx0_cac_config_reg[] =
 263 {
 264         { 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
 265 };
 266 
 267 static const struct kv_lcac_config_reg mc0_cac_config_reg[] =
 268 {
 269         { 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
 270 };
 271 
 272 static const struct kv_lcac_config_reg mc1_cac_config_reg[] =
 273 {
 274         { 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
 275 };
 276 
 277 static const struct kv_lcac_config_reg mc2_cac_config_reg[] =
 278 {
 279         { 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
 280 };
 281 
 282 static const struct kv_lcac_config_reg mc3_cac_config_reg[] =
 283 {
 284         { 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
 285 };
 286 
 287 static const struct kv_lcac_config_reg cpl_cac_config_reg[] =
 288 {
 289         { 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
 290 };
 291 #endif
 292 
 293 static const struct kv_pt_config_reg didt_config_kv[] =
 294 {
 295         { 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 296         { 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 297         { 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 298         { 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 299         { 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 300         { 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 301         { 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 302         { 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 303         { 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 304         { 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 305         { 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 306         { 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 307         { 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
 308         { 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
 309         { 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
 310         { 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 311         { 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 312         { 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 313         { 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 314         { 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 315         { 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 316         { 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 317         { 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 318         { 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 319         { 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 320         { 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 321         { 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 322         { 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 323         { 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 324         { 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 325         { 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
 326         { 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
 327         { 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
 328         { 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 329         { 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 330         { 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 331         { 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 332         { 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 333         { 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 334         { 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 335         { 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 336         { 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 337         { 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 338         { 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 339         { 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 340         { 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 341         { 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 342         { 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 343         { 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
 344         { 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
 345         { 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
 346         { 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 347         { 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 348         { 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 349         { 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 350         { 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 351         { 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 352         { 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 353         { 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 354         { 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 355         { 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 356         { 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 357         { 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 358         { 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
 359         { 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
 360         { 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
 361         { 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
 362         { 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
 363         { 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
 364         { 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 365         { 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
 366         { 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
 367         { 0xFFFFFFFF }
 368 };
 369 
 370 static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps)
 371 {
 372         struct kv_ps *ps = rps->ps_priv;
 373 
 374         return ps;
 375 }
 376 
 377 static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev)
 378 {
 379         struct kv_power_info *pi = adev->pm.dpm.priv;
 380 
 381         return pi;
 382 }
 383 
 384 #if 0
 385 static void kv_program_local_cac_table(struct amdgpu_device *adev,
 386                                        const struct kv_lcac_config_values *local_cac_table,
 387                                        const struct kv_lcac_config_reg *local_cac_reg)
 388 {
 389         u32 i, count, data;
 390         const struct kv_lcac_config_values *values = local_cac_table;
 391 
 392         while (values->block_id != 0xffffffff) {
 393                 count = values->signal_id;
 394                 for (i = 0; i < count; i++) {
 395                         data = ((values->block_id << local_cac_reg->block_shift) &
 396                                 local_cac_reg->block_mask);
 397                         data |= ((i << local_cac_reg->signal_shift) &
 398                                  local_cac_reg->signal_mask);
 399                         data |= ((values->t << local_cac_reg->t_shift) &
 400                                  local_cac_reg->t_mask);
 401                         data |= ((1 << local_cac_reg->enable_shift) &
 402                                  local_cac_reg->enable_mask);
 403                         WREG32_SMC(local_cac_reg->cntl, data);
 404                 }
 405                 values++;
 406         }
 407 }
 408 #endif
 409 
 410 static int kv_program_pt_config_registers(struct amdgpu_device *adev,
 411                                           const struct kv_pt_config_reg *cac_config_regs)
 412 {
 413         const struct kv_pt_config_reg *config_regs = cac_config_regs;
 414         u32 data;
 415         u32 cache = 0;
 416 
 417         if (config_regs == NULL)
 418                 return -EINVAL;
 419 
 420         while (config_regs->offset != 0xFFFFFFFF) {
 421                 if (config_regs->type == KV_CONFIGREG_CACHE) {
 422                         cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
 423                 } else {
 424                         switch (config_regs->type) {
 425                         case KV_CONFIGREG_SMC_IND:
 426                                 data = RREG32_SMC(config_regs->offset);
 427                                 break;
 428                         case KV_CONFIGREG_DIDT_IND:
 429                                 data = RREG32_DIDT(config_regs->offset);
 430                                 break;
 431                         default:
 432                                 data = RREG32(config_regs->offset);
 433                                 break;
 434                         }
 435 
 436                         data &= ~config_regs->mask;
 437                         data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
 438                         data |= cache;
 439                         cache = 0;
 440 
 441                         switch (config_regs->type) {
 442                         case KV_CONFIGREG_SMC_IND:
 443                                 WREG32_SMC(config_regs->offset, data);
 444                                 break;
 445                         case KV_CONFIGREG_DIDT_IND:
 446                                 WREG32_DIDT(config_regs->offset, data);
 447                                 break;
 448                         default:
 449                                 WREG32(config_regs->offset, data);
 450                                 break;
 451                         }
 452                 }
 453                 config_regs++;
 454         }
 455 
 456         return 0;
 457 }
 458 
 459 static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable)
 460 {
 461         struct kv_power_info *pi = kv_get_pi(adev);
 462         u32 data;
 463 
 464         if (pi->caps_sq_ramping) {
 465                 data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
 466                 if (enable)
 467                         data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
 468                 else
 469                         data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
 470                 WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
 471         }
 472 
 473         if (pi->caps_db_ramping) {
 474                 data = RREG32_DIDT(ixDIDT_DB_CTRL0);
 475                 if (enable)
 476                         data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
 477                 else
 478                         data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
 479                 WREG32_DIDT(ixDIDT_DB_CTRL0, data);
 480         }
 481 
 482         if (pi->caps_td_ramping) {
 483                 data = RREG32_DIDT(ixDIDT_TD_CTRL0);
 484                 if (enable)
 485                         data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
 486                 else
 487                         data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
 488                 WREG32_DIDT(ixDIDT_TD_CTRL0, data);
 489         }
 490 
 491         if (pi->caps_tcp_ramping) {
 492                 data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
 493                 if (enable)
 494                         data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
 495                 else
 496                         data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
 497                 WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
 498         }
 499 }
 500 
 501 static int kv_enable_didt(struct amdgpu_device *adev, bool enable)
 502 {
 503         struct kv_power_info *pi = kv_get_pi(adev);
 504         int ret;
 505 
 506         if (pi->caps_sq_ramping ||
 507             pi->caps_db_ramping ||
 508             pi->caps_td_ramping ||
 509             pi->caps_tcp_ramping) {
 510                 amdgpu_gfx_rlc_enter_safe_mode(adev);
 511 
 512                 if (enable) {
 513                         ret = kv_program_pt_config_registers(adev, didt_config_kv);
 514                         if (ret) {
 515                                 amdgpu_gfx_rlc_exit_safe_mode(adev);
 516                                 return ret;
 517                         }
 518                 }
 519 
 520                 kv_do_enable_didt(adev, enable);
 521 
 522                 amdgpu_gfx_rlc_exit_safe_mode(adev);
 523         }
 524 
 525         return 0;
 526 }
 527 
 528 #if 0
 529 static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev)
 530 {
 531         struct kv_power_info *pi = kv_get_pi(adev);
 532 
 533         if (pi->caps_cac) {
 534                 WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0);
 535                 WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0);
 536                 kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg);
 537 
 538                 WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0);
 539                 WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0);
 540                 kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);
 541 
 542                 WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0);
 543                 WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0);
 544                 kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);
 545 
 546                 WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0);
 547                 WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0);
 548                 kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);
 549 
 550                 WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0);
 551                 WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0);
 552                 kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);
 553 
 554                 WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0);
 555                 WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0);
 556                 kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
 557         }
 558 }
 559 #endif
 560 
 561 static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable)
 562 {
 563         struct kv_power_info *pi = kv_get_pi(adev);
 564         int ret = 0;
 565 
 566         if (pi->caps_cac) {
 567                 if (enable) {
 568                         ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac);
 569                         if (ret)
 570                                 pi->cac_enabled = false;
 571                         else
 572                                 pi->cac_enabled = true;
 573                 } else if (pi->cac_enabled) {
 574                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac);
 575                         pi->cac_enabled = false;
 576                 }
 577         }
 578 
 579         return ret;
 580 }
 581 
 582 static int kv_process_firmware_header(struct amdgpu_device *adev)
 583 {
 584         struct kv_power_info *pi = kv_get_pi(adev);
 585         u32 tmp;
 586         int ret;
 587 
 588         ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
 589                                      offsetof(SMU7_Firmware_Header, DpmTable),
 590                                      &tmp, pi->sram_end);
 591 
 592         if (ret == 0)
 593                 pi->dpm_table_start = tmp;
 594 
 595         ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
 596                                      offsetof(SMU7_Firmware_Header, SoftRegisters),
 597                                      &tmp, pi->sram_end);
 598 
 599         if (ret == 0)
 600                 pi->soft_regs_start = tmp;
 601 
 602         return ret;
 603 }
 604 
 605 static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev)
 606 {
 607         struct kv_power_info *pi = kv_get_pi(adev);
 608         int ret;
 609 
 610         pi->graphics_voltage_change_enable = 1;
 611 
 612         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 613                                    pi->dpm_table_start +
 614                                    offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
 615                                    &pi->graphics_voltage_change_enable,
 616                                    sizeof(u8), pi->sram_end);
 617 
 618         return ret;
 619 }
 620 
 621 static int kv_set_dpm_interval(struct amdgpu_device *adev)
 622 {
 623         struct kv_power_info *pi = kv_get_pi(adev);
 624         int ret;
 625 
 626         pi->graphics_interval = 1;
 627 
 628         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 629                                    pi->dpm_table_start +
 630                                    offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
 631                                    &pi->graphics_interval,
 632                                    sizeof(u8), pi->sram_end);
 633 
 634         return ret;
 635 }
 636 
 637 static int kv_set_dpm_boot_state(struct amdgpu_device *adev)
 638 {
 639         struct kv_power_info *pi = kv_get_pi(adev);
 640         int ret;
 641 
 642         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 643                                    pi->dpm_table_start +
 644                                    offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
 645                                    &pi->graphics_boot_level,
 646                                    sizeof(u8), pi->sram_end);
 647 
 648         return ret;
 649 }
 650 
 651 static void kv_program_vc(struct amdgpu_device *adev)
 652 {
 653         WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100);
 654 }
 655 
 656 static void kv_clear_vc(struct amdgpu_device *adev)
 657 {
 658         WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
 659 }
 660 
 661 static int kv_set_divider_value(struct amdgpu_device *adev,
 662                                 u32 index, u32 sclk)
 663 {
 664         struct kv_power_info *pi = kv_get_pi(adev);
 665         struct atom_clock_dividers dividers;
 666         int ret;
 667 
 668         ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
 669                                                  sclk, false, &dividers);
 670         if (ret)
 671                 return ret;
 672 
 673         pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
 674         pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);
 675 
 676         return 0;
 677 }
 678 
 679 static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
 680                                             u16 voltage)
 681 {
 682         return 6200 - (voltage * 25);
 683 }
 684 
 685 static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev,
 686                                             u32 vid_2bit)
 687 {
 688         struct kv_power_info *pi = kv_get_pi(adev);
 689         u32 vid_8bit = kv_convert_vid2_to_vid7(adev,
 690                                                &pi->sys_info.vid_mapping_table,
 691                                                vid_2bit);
 692 
 693         return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit);
 694 }
 695 
 696 
 697 static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid)
 698 {
 699         struct kv_power_info *pi = kv_get_pi(adev);
 700 
 701         pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
 702         pi->graphics_level[index].MinVddNb =
 703                 cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid));
 704 
 705         return 0;
 706 }
 707 
 708 static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at)
 709 {
 710         struct kv_power_info *pi = kv_get_pi(adev);
 711 
 712         pi->graphics_level[index].AT = cpu_to_be16((u16)at);
 713 
 714         return 0;
 715 }
 716 
 717 static void kv_dpm_power_level_enable(struct amdgpu_device *adev,
 718                                       u32 index, bool enable)
 719 {
 720         struct kv_power_info *pi = kv_get_pi(adev);
 721 
 722         pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
 723 }
 724 
 725 static void kv_start_dpm(struct amdgpu_device *adev)
 726 {
 727         u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);
 728 
 729         tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
 730         WREG32_SMC(ixGENERAL_PWRMGT, tmp);
 731 
 732         amdgpu_kv_smc_dpm_enable(adev, true);
 733 }
 734 
 735 static void kv_stop_dpm(struct amdgpu_device *adev)
 736 {
 737         amdgpu_kv_smc_dpm_enable(adev, false);
 738 }
 739 
 740 static void kv_start_am(struct amdgpu_device *adev)
 741 {
 742         u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
 743 
 744         sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
 745                         SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
 746         sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;
 747 
 748         WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
 749 }
 750 
 751 static void kv_reset_am(struct amdgpu_device *adev)
 752 {
 753         u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);
 754 
 755         sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
 756                         SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
 757 
 758         WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
 759 }
 760 
 761 static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze)
 762 {
 763         return amdgpu_kv_notify_message_to_smu(adev, freeze ?
 764                                         PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
 765 }
 766 
 767 static int kv_force_lowest_valid(struct amdgpu_device *adev)
 768 {
 769         return kv_force_dpm_lowest(adev);
 770 }
 771 
 772 static int kv_unforce_levels(struct amdgpu_device *adev)
 773 {
 774         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
 775                 return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel);
 776         else
 777                 return kv_set_enabled_levels(adev);
 778 }
 779 
 780 static int kv_update_sclk_t(struct amdgpu_device *adev)
 781 {
 782         struct kv_power_info *pi = kv_get_pi(adev);
 783         u32 low_sclk_interrupt_t = 0;
 784         int ret = 0;
 785 
 786         if (pi->caps_sclk_throttle_low_notification) {
 787                 low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
 788 
 789                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
 790                                            pi->dpm_table_start +
 791                                            offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
 792                                            (u8 *)&low_sclk_interrupt_t,
 793                                            sizeof(u32), pi->sram_end);
 794         }
 795         return ret;
 796 }
 797 
 798 static int kv_program_bootup_state(struct amdgpu_device *adev)
 799 {
 800         struct kv_power_info *pi = kv_get_pi(adev);
 801         u32 i;
 802         struct amdgpu_clock_voltage_dependency_table *table =
 803                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
 804 
 805         if (table && table->count) {
 806                 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
 807                         if (table->entries[i].clk == pi->boot_pl.sclk)
 808                                 break;
 809                 }
 810 
 811                 pi->graphics_boot_level = (u8)i;
 812                 kv_dpm_power_level_enable(adev, i, true);
 813         } else {
 814                 struct sumo_sclk_voltage_mapping_table *table =
 815                         &pi->sys_info.sclk_voltage_mapping_table;
 816 
 817                 if (table->num_max_dpm_entries == 0)
 818                         return -EINVAL;
 819 
 820                 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
 821                         if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
 822                                 break;
 823                 }
 824 
 825                 pi->graphics_boot_level = (u8)i;
 826                 kv_dpm_power_level_enable(adev, i, true);
 827         }
 828         return 0;
 829 }
 830 
 831 static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev)
 832 {
 833         struct kv_power_info *pi = kv_get_pi(adev);
 834         int ret;
 835 
 836         pi->graphics_therm_throttle_enable = 1;
 837 
 838         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 839                                    pi->dpm_table_start +
 840                                    offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
 841                                    &pi->graphics_therm_throttle_enable,
 842                                    sizeof(u8), pi->sram_end);
 843 
 844         return ret;
 845 }
 846 
 847 static int kv_upload_dpm_settings(struct amdgpu_device *adev)
 848 {
 849         struct kv_power_info *pi = kv_get_pi(adev);
 850         int ret;
 851 
 852         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 853                                    pi->dpm_table_start +
 854                                    offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
 855                                    (u8 *)&pi->graphics_level,
 856                                    sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
 857                                    pi->sram_end);
 858 
 859         if (ret)
 860                 return ret;
 861 
 862         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 863                                    pi->dpm_table_start +
 864                                    offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
 865                                    &pi->graphics_dpm_level_count,
 866                                    sizeof(u8), pi->sram_end);
 867 
 868         return ret;
 869 }
 870 
 871 static u32 kv_get_clock_difference(u32 a, u32 b)
 872 {
 873         return (a >= b) ? a - b : b - a;
 874 }
 875 
 876 static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk)
 877 {
 878         struct kv_power_info *pi = kv_get_pi(adev);
 879         u32 value;
 880 
 881         if (pi->caps_enable_dfs_bypass) {
 882                 if (kv_get_clock_difference(clk, 40000) < 200)
 883                         value = 3;
 884                 else if (kv_get_clock_difference(clk, 30000) < 200)
 885                         value = 2;
 886                 else if (kv_get_clock_difference(clk, 20000) < 200)
 887                         value = 7;
 888                 else if (kv_get_clock_difference(clk, 15000) < 200)
 889                         value = 6;
 890                 else if (kv_get_clock_difference(clk, 10000) < 200)
 891                         value = 8;
 892                 else
 893                         value = 0;
 894         } else {
 895                 value = 0;
 896         }
 897 
 898         return value;
 899 }
 900 
 901 static int kv_populate_uvd_table(struct amdgpu_device *adev)
 902 {
 903         struct kv_power_info *pi = kv_get_pi(adev);
 904         struct amdgpu_uvd_clock_voltage_dependency_table *table =
 905                 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
 906         struct atom_clock_dividers dividers;
 907         int ret;
 908         u32 i;
 909 
 910         if (table == NULL || table->count == 0)
 911                 return 0;
 912 
 913         pi->uvd_level_count = 0;
 914         for (i = 0; i < table->count; i++) {
 915                 if (pi->high_voltage_t &&
 916                     (pi->high_voltage_t < table->entries[i].v))
 917                         break;
 918 
 919                 pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
 920                 pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
 921                 pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);
 922 
 923                 pi->uvd_level[i].VClkBypassCntl =
 924                         (u8)kv_get_clk_bypass(adev, table->entries[i].vclk);
 925                 pi->uvd_level[i].DClkBypassCntl =
 926                         (u8)kv_get_clk_bypass(adev, table->entries[i].dclk);
 927 
 928                 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
 929                                                          table->entries[i].vclk, false, &dividers);
 930                 if (ret)
 931                         return ret;
 932                 pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;
 933 
 934                 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
 935                                                          table->entries[i].dclk, false, &dividers);
 936                 if (ret)
 937                         return ret;
 938                 pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;
 939 
 940                 pi->uvd_level_count++;
 941         }
 942 
 943         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 944                                    pi->dpm_table_start +
 945                                    offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
 946                                    (u8 *)&pi->uvd_level_count,
 947                                    sizeof(u8), pi->sram_end);
 948         if (ret)
 949                 return ret;
 950 
 951         pi->uvd_interval = 1;
 952 
 953         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 954                                    pi->dpm_table_start +
 955                                    offsetof(SMU7_Fusion_DpmTable, UVDInterval),
 956                                    &pi->uvd_interval,
 957                                    sizeof(u8), pi->sram_end);
 958         if (ret)
 959                 return ret;
 960 
 961         ret = amdgpu_kv_copy_bytes_to_smc(adev,
 962                                    pi->dpm_table_start +
 963                                    offsetof(SMU7_Fusion_DpmTable, UvdLevel),
 964                                    (u8 *)&pi->uvd_level,
 965                                    sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
 966                                    pi->sram_end);
 967 
 968         return ret;
 969 
 970 }
 971 
 972 static int kv_populate_vce_table(struct amdgpu_device *adev)
 973 {
 974         struct kv_power_info *pi = kv_get_pi(adev);
 975         int ret;
 976         u32 i;
 977         struct amdgpu_vce_clock_voltage_dependency_table *table =
 978                 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
 979         struct atom_clock_dividers dividers;
 980 
 981         if (table == NULL || table->count == 0)
 982                 return 0;
 983 
 984         pi->vce_level_count = 0;
 985         for (i = 0; i < table->count; i++) {
 986                 if (pi->high_voltage_t &&
 987                     pi->high_voltage_t < table->entries[i].v)
 988                         break;
 989 
 990                 pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
 991                 pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
 992 
 993                 pi->vce_level[i].ClkBypassCntl =
 994                         (u8)kv_get_clk_bypass(adev, table->entries[i].evclk);
 995 
 996                 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
 997                                                          table->entries[i].evclk, false, &dividers);
 998                 if (ret)
 999                         return ret;
1000                 pi->vce_level[i].Divider = (u8)dividers.post_div;
1001 
1002                 pi->vce_level_count++;
1003         }
1004 
1005         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1006                                    pi->dpm_table_start +
1007                                    offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
1008                                    (u8 *)&pi->vce_level_count,
1009                                    sizeof(u8),
1010                                    pi->sram_end);
1011         if (ret)
1012                 return ret;
1013 
1014         pi->vce_interval = 1;
1015 
1016         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1017                                    pi->dpm_table_start +
1018                                    offsetof(SMU7_Fusion_DpmTable, VCEInterval),
1019                                    (u8 *)&pi->vce_interval,
1020                                    sizeof(u8),
1021                                    pi->sram_end);
1022         if (ret)
1023                 return ret;
1024 
1025         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1026                                    pi->dpm_table_start +
1027                                    offsetof(SMU7_Fusion_DpmTable, VceLevel),
1028                                    (u8 *)&pi->vce_level,
1029                                    sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
1030                                    pi->sram_end);
1031 
1032         return ret;
1033 }
1034 
1035 static int kv_populate_samu_table(struct amdgpu_device *adev)
1036 {
1037         struct kv_power_info *pi = kv_get_pi(adev);
1038         struct amdgpu_clock_voltage_dependency_table *table =
1039                 &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1040         struct atom_clock_dividers dividers;
1041         int ret;
1042         u32 i;
1043 
1044         if (table == NULL || table->count == 0)
1045                 return 0;
1046 
1047         pi->samu_level_count = 0;
1048         for (i = 0; i < table->count; i++) {
1049                 if (pi->high_voltage_t &&
1050                     pi->high_voltage_t < table->entries[i].v)
1051                         break;
1052 
1053                 pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1054                 pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1055 
1056                 pi->samu_level[i].ClkBypassCntl =
1057                         (u8)kv_get_clk_bypass(adev, table->entries[i].clk);
1058 
1059                 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1060                                                          table->entries[i].clk, false, &dividers);
1061                 if (ret)
1062                         return ret;
1063                 pi->samu_level[i].Divider = (u8)dividers.post_div;
1064 
1065                 pi->samu_level_count++;
1066         }
1067 
1068         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1069                                    pi->dpm_table_start +
1070                                    offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
1071                                    (u8 *)&pi->samu_level_count,
1072                                    sizeof(u8),
1073                                    pi->sram_end);
1074         if (ret)
1075                 return ret;
1076 
1077         pi->samu_interval = 1;
1078 
1079         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1080                                    pi->dpm_table_start +
1081                                    offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
1082                                    (u8 *)&pi->samu_interval,
1083                                    sizeof(u8),
1084                                    pi->sram_end);
1085         if (ret)
1086                 return ret;
1087 
1088         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1089                                    pi->dpm_table_start +
1090                                    offsetof(SMU7_Fusion_DpmTable, SamuLevel),
1091                                    (u8 *)&pi->samu_level,
1092                                    sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
1093                                    pi->sram_end);
1094         if (ret)
1095                 return ret;
1096 
1097         return ret;
1098 }
1099 
1100 
1101 static int kv_populate_acp_table(struct amdgpu_device *adev)
1102 {
1103         struct kv_power_info *pi = kv_get_pi(adev);
1104         struct amdgpu_clock_voltage_dependency_table *table =
1105                 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1106         struct atom_clock_dividers dividers;
1107         int ret;
1108         u32 i;
1109 
1110         if (table == NULL || table->count == 0)
1111                 return 0;
1112 
1113         pi->acp_level_count = 0;
1114         for (i = 0; i < table->count; i++) {
1115                 pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
1116                 pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);
1117 
1118                 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
1119                                                          table->entries[i].clk, false, &dividers);
1120                 if (ret)
1121                         return ret;
1122                 pi->acp_level[i].Divider = (u8)dividers.post_div;
1123 
1124                 pi->acp_level_count++;
1125         }
1126 
1127         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1128                                    pi->dpm_table_start +
1129                                    offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
1130                                    (u8 *)&pi->acp_level_count,
1131                                    sizeof(u8),
1132                                    pi->sram_end);
1133         if (ret)
1134                 return ret;
1135 
1136         pi->acp_interval = 1;
1137 
1138         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1139                                    pi->dpm_table_start +
1140                                    offsetof(SMU7_Fusion_DpmTable, ACPInterval),
1141                                    (u8 *)&pi->acp_interval,
1142                                    sizeof(u8),
1143                                    pi->sram_end);
1144         if (ret)
1145                 return ret;
1146 
1147         ret = amdgpu_kv_copy_bytes_to_smc(adev,
1148                                    pi->dpm_table_start +
1149                                    offsetof(SMU7_Fusion_DpmTable, AcpLevel),
1150                                    (u8 *)&pi->acp_level,
1151                                    sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
1152                                    pi->sram_end);
1153         if (ret)
1154                 return ret;
1155 
1156         return ret;
1157 }
1158 
1159 static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev)
1160 {
1161         struct kv_power_info *pi = kv_get_pi(adev);
1162         u32 i;
1163         struct amdgpu_clock_voltage_dependency_table *table =
1164                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1165 
1166         if (table && table->count) {
1167                 for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1168                         if (pi->caps_enable_dfs_bypass) {
1169                                 if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
1170                                         pi->graphics_level[i].ClkBypassCntl = 3;
1171                                 else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
1172                                         pi->graphics_level[i].ClkBypassCntl = 2;
1173                                 else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
1174                                         pi->graphics_level[i].ClkBypassCntl = 7;
1175                                 else if (kv_get_clock_difference(table->entries[i].clk , 20000) < 200)
1176                                         pi->graphics_level[i].ClkBypassCntl = 6;
1177                                 else if (kv_get_clock_difference(table->entries[i].clk , 10000) < 200)
1178                                         pi->graphics_level[i].ClkBypassCntl = 8;
1179                                 else
1180                                         pi->graphics_level[i].ClkBypassCntl = 0;
1181                         } else {
1182                                 pi->graphics_level[i].ClkBypassCntl = 0;
1183                         }
1184                 }
1185         } else {
1186                 struct sumo_sclk_voltage_mapping_table *table =
1187                         &pi->sys_info.sclk_voltage_mapping_table;
1188                 for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1189                         if (pi->caps_enable_dfs_bypass) {
1190                                 if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
1191                                         pi->graphics_level[i].ClkBypassCntl = 3;
1192                                 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
1193                                         pi->graphics_level[i].ClkBypassCntl = 2;
1194                                 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
1195                                         pi->graphics_level[i].ClkBypassCntl = 7;
1196                                 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
1197                                         pi->graphics_level[i].ClkBypassCntl = 6;
1198                                 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
1199                                         pi->graphics_level[i].ClkBypassCntl = 8;
1200                                 else
1201                                         pi->graphics_level[i].ClkBypassCntl = 0;
1202                         } else {
1203                                 pi->graphics_level[i].ClkBypassCntl = 0;
1204                         }
1205                 }
1206         }
1207 }
1208 
1209 static int kv_enable_ulv(struct amdgpu_device *adev, bool enable)
1210 {
1211         return amdgpu_kv_notify_message_to_smu(adev, enable ?
1212                                         PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
1213 }
1214 
1215 static void kv_reset_acp_boot_level(struct amdgpu_device *adev)
1216 {
1217         struct kv_power_info *pi = kv_get_pi(adev);
1218 
1219         pi->acp_boot_level = 0xff;
1220 }
1221 
1222 static void kv_update_current_ps(struct amdgpu_device *adev,
1223                                  struct amdgpu_ps *rps)
1224 {
1225         struct kv_ps *new_ps = kv_get_ps(rps);
1226         struct kv_power_info *pi = kv_get_pi(adev);
1227 
1228         pi->current_rps = *rps;
1229         pi->current_ps = *new_ps;
1230         pi->current_rps.ps_priv = &pi->current_ps;
1231         adev->pm.dpm.current_ps = &pi->current_rps;
1232 }
1233 
1234 static void kv_update_requested_ps(struct amdgpu_device *adev,
1235                                    struct amdgpu_ps *rps)
1236 {
1237         struct kv_ps *new_ps = kv_get_ps(rps);
1238         struct kv_power_info *pi = kv_get_pi(adev);
1239 
1240         pi->requested_rps = *rps;
1241         pi->requested_ps = *new_ps;
1242         pi->requested_rps.ps_priv = &pi->requested_ps;
1243         adev->pm.dpm.requested_ps = &pi->requested_rps;
1244 }
1245 
1246 static void kv_dpm_enable_bapm(void *handle, bool enable)
1247 {
1248         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1249         struct kv_power_info *pi = kv_get_pi(adev);
1250         int ret;
1251 
1252         if (pi->bapm_enable) {
1253                 ret = amdgpu_kv_smc_bapm_enable(adev, enable);
1254                 if (ret)
1255                         DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1256         }
1257 }
1258 
1259 static int kv_dpm_enable(struct amdgpu_device *adev)
1260 {
1261         struct kv_power_info *pi = kv_get_pi(adev);
1262         int ret;
1263 
1264         ret = kv_process_firmware_header(adev);
1265         if (ret) {
1266                 DRM_ERROR("kv_process_firmware_header failed\n");
1267                 return ret;
1268         }
1269         kv_init_fps_limits(adev);
1270         kv_init_graphics_levels(adev);
1271         ret = kv_program_bootup_state(adev);
1272         if (ret) {
1273                 DRM_ERROR("kv_program_bootup_state failed\n");
1274                 return ret;
1275         }
1276         kv_calculate_dfs_bypass_settings(adev);
1277         ret = kv_upload_dpm_settings(adev);
1278         if (ret) {
1279                 DRM_ERROR("kv_upload_dpm_settings failed\n");
1280                 return ret;
1281         }
1282         ret = kv_populate_uvd_table(adev);
1283         if (ret) {
1284                 DRM_ERROR("kv_populate_uvd_table failed\n");
1285                 return ret;
1286         }
1287         ret = kv_populate_vce_table(adev);
1288         if (ret) {
1289                 DRM_ERROR("kv_populate_vce_table failed\n");
1290                 return ret;
1291         }
1292         ret = kv_populate_samu_table(adev);
1293         if (ret) {
1294                 DRM_ERROR("kv_populate_samu_table failed\n");
1295                 return ret;
1296         }
1297         ret = kv_populate_acp_table(adev);
1298         if (ret) {
1299                 DRM_ERROR("kv_populate_acp_table failed\n");
1300                 return ret;
1301         }
1302         kv_program_vc(adev);
1303 #if 0
1304         kv_initialize_hardware_cac_manager(adev);
1305 #endif
1306         kv_start_am(adev);
1307         if (pi->enable_auto_thermal_throttling) {
1308                 ret = kv_enable_auto_thermal_throttling(adev);
1309                 if (ret) {
1310                         DRM_ERROR("kv_enable_auto_thermal_throttling failed\n");
1311                         return ret;
1312                 }
1313         }
1314         ret = kv_enable_dpm_voltage_scaling(adev);
1315         if (ret) {
1316                 DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n");
1317                 return ret;
1318         }
1319         ret = kv_set_dpm_interval(adev);
1320         if (ret) {
1321                 DRM_ERROR("kv_set_dpm_interval failed\n");
1322                 return ret;
1323         }
1324         ret = kv_set_dpm_boot_state(adev);
1325         if (ret) {
1326                 DRM_ERROR("kv_set_dpm_boot_state failed\n");
1327                 return ret;
1328         }
1329         ret = kv_enable_ulv(adev, true);
1330         if (ret) {
1331                 DRM_ERROR("kv_enable_ulv failed\n");
1332                 return ret;
1333         }
1334         kv_start_dpm(adev);
1335         ret = kv_enable_didt(adev, true);
1336         if (ret) {
1337                 DRM_ERROR("kv_enable_didt failed\n");
1338                 return ret;
1339         }
1340         ret = kv_enable_smc_cac(adev, true);
1341         if (ret) {
1342                 DRM_ERROR("kv_enable_smc_cac failed\n");
1343                 return ret;
1344         }
1345 
1346         kv_reset_acp_boot_level(adev);
1347 
1348         ret = amdgpu_kv_smc_bapm_enable(adev, false);
1349         if (ret) {
1350                 DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1351                 return ret;
1352         }
1353 
1354         if (adev->irq.installed &&
1355             amdgpu_is_internal_thermal_sensor(adev->pm.int_thermal_type)) {
1356                 ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX);
1357                 if (ret) {
1358                         DRM_ERROR("kv_set_thermal_temperature_range failed\n");
1359                         return ret;
1360                 }
1361                 amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1362                                AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1363                 amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
1364                                AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1365         }
1366 
1367         return ret;
1368 }
1369 
1370 static void kv_dpm_disable(struct amdgpu_device *adev)
1371 {
1372         struct kv_power_info *pi = kv_get_pi(adev);
1373 
1374         amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1375                        AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
1376         amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
1377                        AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
1378 
1379         amdgpu_kv_smc_bapm_enable(adev, false);
1380 
1381         if (adev->asic_type == CHIP_MULLINS)
1382                 kv_enable_nb_dpm(adev, false);
1383 
1384         /* powerup blocks */
1385         kv_dpm_powergate_acp(adev, false);
1386         kv_dpm_powergate_samu(adev, false);
1387         if (pi->caps_vce_pg) /* power on the VCE block */
1388                 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1389         if (pi->caps_uvd_pg) /* power on the UVD block */
1390                 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1391 
1392         kv_enable_smc_cac(adev, false);
1393         kv_enable_didt(adev, false);
1394         kv_clear_vc(adev);
1395         kv_stop_dpm(adev);
1396         kv_enable_ulv(adev, false);
1397         kv_reset_am(adev);
1398 
1399         kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
1400 }
1401 
1402 #if 0
1403 static int kv_write_smc_soft_register(struct amdgpu_device *adev,
1404                                       u16 reg_offset, u32 value)
1405 {
1406         struct kv_power_info *pi = kv_get_pi(adev);
1407 
1408         return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset,
1409                                     (u8 *)&value, sizeof(u16), pi->sram_end);
1410 }
1411 
1412 static int kv_read_smc_soft_register(struct amdgpu_device *adev,
1413                                      u16 reg_offset, u32 *value)
1414 {
1415         struct kv_power_info *pi = kv_get_pi(adev);
1416 
1417         return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset,
1418                                       value, pi->sram_end);
1419 }
1420 #endif
1421 
1422 static void kv_init_sclk_t(struct amdgpu_device *adev)
1423 {
1424         struct kv_power_info *pi = kv_get_pi(adev);
1425 
1426         pi->low_sclk_interrupt_t = 0;
1427 }
1428 
1429 static int kv_init_fps_limits(struct amdgpu_device *adev)
1430 {
1431         struct kv_power_info *pi = kv_get_pi(adev);
1432         int ret = 0;
1433 
1434         if (pi->caps_fps) {
1435                 u16 tmp;
1436 
1437                 tmp = 45;
1438                 pi->fps_high_t = cpu_to_be16(tmp);
1439                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1440                                            pi->dpm_table_start +
1441                                            offsetof(SMU7_Fusion_DpmTable, FpsHighT),
1442                                            (u8 *)&pi->fps_high_t,
1443                                            sizeof(u16), pi->sram_end);
1444 
1445                 tmp = 30;
1446                 pi->fps_low_t = cpu_to_be16(tmp);
1447 
1448                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1449                                            pi->dpm_table_start +
1450                                            offsetof(SMU7_Fusion_DpmTable, FpsLowT),
1451                                            (u8 *)&pi->fps_low_t,
1452                                            sizeof(u16), pi->sram_end);
1453 
1454         }
1455         return ret;
1456 }
1457 
1458 static void kv_init_powergate_state(struct amdgpu_device *adev)
1459 {
1460         struct kv_power_info *pi = kv_get_pi(adev);
1461 
1462         pi->uvd_power_gated = false;
1463         pi->vce_power_gated = false;
1464         pi->samu_power_gated = false;
1465         pi->acp_power_gated = false;
1466 
1467 }
1468 
1469 static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
1470 {
1471         return amdgpu_kv_notify_message_to_smu(adev, enable ?
1472                                         PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
1473 }
1474 
1475 static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
1476 {
1477         return amdgpu_kv_notify_message_to_smu(adev, enable ?
1478                                         PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
1479 }
1480 
1481 static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
1482 {
1483         return amdgpu_kv_notify_message_to_smu(adev, enable ?
1484                                         PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
1485 }
1486 
1487 static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
1488 {
1489         return amdgpu_kv_notify_message_to_smu(adev, enable ?
1490                                         PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
1491 }
1492 
1493 static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
1494 {
1495         struct kv_power_info *pi = kv_get_pi(adev);
1496         struct amdgpu_uvd_clock_voltage_dependency_table *table =
1497                 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
1498         int ret;
1499         u32 mask;
1500 
1501         if (!gate) {
1502                 if (table->count)
1503                         pi->uvd_boot_level = table->count - 1;
1504                 else
1505                         pi->uvd_boot_level = 0;
1506 
1507                 if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
1508                         mask = 1 << pi->uvd_boot_level;
1509                 } else {
1510                         mask = 0x1f;
1511                 }
1512 
1513                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1514                                            pi->dpm_table_start +
1515                                            offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
1516                                            (uint8_t *)&pi->uvd_boot_level,
1517                                            sizeof(u8), pi->sram_end);
1518                 if (ret)
1519                         return ret;
1520 
1521                 amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1522                                                   PPSMC_MSG_UVDDPM_SetEnabledMask,
1523                                                   mask);
1524         }
1525 
1526         return kv_enable_uvd_dpm(adev, !gate);
1527 }
1528 
1529 static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk)
1530 {
1531         u8 i;
1532         struct amdgpu_vce_clock_voltage_dependency_table *table =
1533                 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1534 
1535         for (i = 0; i < table->count; i++) {
1536                 if (table->entries[i].evclk >= evclk)
1537                         break;
1538         }
1539 
1540         return i;
1541 }
1542 
1543 static int kv_update_vce_dpm(struct amdgpu_device *adev,
1544                              struct amdgpu_ps *amdgpu_new_state,
1545                              struct amdgpu_ps *amdgpu_current_state)
1546 {
1547         struct kv_power_info *pi = kv_get_pi(adev);
1548         struct amdgpu_vce_clock_voltage_dependency_table *table =
1549                 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1550         int ret;
1551 
1552         if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) {
1553                 if (pi->caps_stable_p_state)
1554                         pi->vce_boot_level = table->count - 1;
1555                 else
1556                         pi->vce_boot_level = kv_get_vce_boot_level(adev, amdgpu_new_state->evclk);
1557 
1558                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1559                                            pi->dpm_table_start +
1560                                            offsetof(SMU7_Fusion_DpmTable, VceBootLevel),
1561                                            (u8 *)&pi->vce_boot_level,
1562                                            sizeof(u8),
1563                                            pi->sram_end);
1564                 if (ret)
1565                         return ret;
1566 
1567                 if (pi->caps_stable_p_state)
1568                         amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1569                                                           PPSMC_MSG_VCEDPM_SetEnabledMask,
1570                                                           (1 << pi->vce_boot_level));
1571                 kv_enable_vce_dpm(adev, true);
1572         } else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) {
1573                 kv_enable_vce_dpm(adev, false);
1574         }
1575 
1576         return 0;
1577 }
1578 
1579 static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate)
1580 {
1581         struct kv_power_info *pi = kv_get_pi(adev);
1582         struct amdgpu_clock_voltage_dependency_table *table =
1583                 &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
1584         int ret;
1585 
1586         if (!gate) {
1587                 if (pi->caps_stable_p_state)
1588                         pi->samu_boot_level = table->count - 1;
1589                 else
1590                         pi->samu_boot_level = 0;
1591 
1592                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1593                                            pi->dpm_table_start +
1594                                            offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
1595                                            (u8 *)&pi->samu_boot_level,
1596                                            sizeof(u8),
1597                                            pi->sram_end);
1598                 if (ret)
1599                         return ret;
1600 
1601                 if (pi->caps_stable_p_state)
1602                         amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1603                                                           PPSMC_MSG_SAMUDPM_SetEnabledMask,
1604                                                           (1 << pi->samu_boot_level));
1605         }
1606 
1607         return kv_enable_samu_dpm(adev, !gate);
1608 }
1609 
1610 static u8 kv_get_acp_boot_level(struct amdgpu_device *adev)
1611 {
1612         u8 i;
1613         struct amdgpu_clock_voltage_dependency_table *table =
1614                 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1615 
1616         for (i = 0; i < table->count; i++) {
1617                 if (table->entries[i].clk >= 0) /* XXX */
1618                         break;
1619         }
1620 
1621         if (i >= table->count)
1622                 i = table->count - 1;
1623 
1624         return i;
1625 }
1626 
1627 static void kv_update_acp_boot_level(struct amdgpu_device *adev)
1628 {
1629         struct kv_power_info *pi = kv_get_pi(adev);
1630         u8 acp_boot_level;
1631 
1632         if (!pi->caps_stable_p_state) {
1633                 acp_boot_level = kv_get_acp_boot_level(adev);
1634                 if (acp_boot_level != pi->acp_boot_level) {
1635                         pi->acp_boot_level = acp_boot_level;
1636                         amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1637                                                           PPSMC_MSG_ACPDPM_SetEnabledMask,
1638                                                           (1 << pi->acp_boot_level));
1639                 }
1640         }
1641 }
1642 
1643 static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate)
1644 {
1645         struct kv_power_info *pi = kv_get_pi(adev);
1646         struct amdgpu_clock_voltage_dependency_table *table =
1647                 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
1648         int ret;
1649 
1650         if (!gate) {
1651                 if (pi->caps_stable_p_state)
1652                         pi->acp_boot_level = table->count - 1;
1653                 else
1654                         pi->acp_boot_level = kv_get_acp_boot_level(adev);
1655 
1656                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1657                                            pi->dpm_table_start +
1658                                            offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
1659                                            (u8 *)&pi->acp_boot_level,
1660                                            sizeof(u8),
1661                                            pi->sram_end);
1662                 if (ret)
1663                         return ret;
1664 
1665                 if (pi->caps_stable_p_state)
1666                         amdgpu_kv_send_msg_to_smc_with_parameter(adev,
1667                                                           PPSMC_MSG_ACPDPM_SetEnabledMask,
1668                                                           (1 << pi->acp_boot_level));
1669         }
1670 
1671         return kv_enable_acp_dpm(adev, !gate);
1672 }
1673 
1674 static void kv_dpm_powergate_uvd(void *handle, bool gate)
1675 {
1676         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1677         struct kv_power_info *pi = kv_get_pi(adev);
1678         int ret;
1679 
1680         pi->uvd_power_gated = gate;
1681 
1682         if (gate) {
1683                 /* stop the UVD block */
1684                 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1685                                                              AMD_PG_STATE_GATE);
1686                 kv_update_uvd_dpm(adev, gate);
1687                 if (pi->caps_uvd_pg)
1688                         /* power off the UVD block */
1689                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF);
1690         } else {
1691                 if (pi->caps_uvd_pg)
1692                         /* power on the UVD block */
1693                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
1694                         /* re-init the UVD block */
1695                 kv_update_uvd_dpm(adev, gate);
1696 
1697                 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1698                                                              AMD_PG_STATE_UNGATE);
1699         }
1700 }
1701 
1702 static void kv_dpm_powergate_vce(void *handle, bool gate)
1703 {
1704         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1705         struct kv_power_info *pi = kv_get_pi(adev);
1706         int ret;
1707 
1708         pi->vce_power_gated = gate;
1709 
1710         if (gate) {
1711                 /* stop the VCE block */
1712                 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1713                                                              AMD_PG_STATE_GATE);
1714                 kv_enable_vce_dpm(adev, false);
1715                 if (pi->caps_vce_pg) /* power off the VCE block */
1716                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
1717         } else {
1718                 if (pi->caps_vce_pg) /* power on the VCE block */
1719                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
1720                 kv_enable_vce_dpm(adev, true);
1721                 /* re-init the VCE block */
1722                 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1723                                                              AMD_PG_STATE_UNGATE);
1724         }
1725 }
1726 
1727 
1728 static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate)
1729 {
1730         struct kv_power_info *pi = kv_get_pi(adev);
1731 
1732         if (pi->samu_power_gated == gate)
1733                 return;
1734 
1735         pi->samu_power_gated = gate;
1736 
1737         if (gate) {
1738                 kv_update_samu_dpm(adev, true);
1739                 if (pi->caps_samu_pg)
1740                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF);
1741         } else {
1742                 if (pi->caps_samu_pg)
1743                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON);
1744                 kv_update_samu_dpm(adev, false);
1745         }
1746 }
1747 
1748 static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate)
1749 {
1750         struct kv_power_info *pi = kv_get_pi(adev);
1751 
1752         if (pi->acp_power_gated == gate)
1753                 return;
1754 
1755         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
1756                 return;
1757 
1758         pi->acp_power_gated = gate;
1759 
1760         if (gate) {
1761                 kv_update_acp_dpm(adev, true);
1762                 if (pi->caps_acp_pg)
1763                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF);
1764         } else {
1765                 if (pi->caps_acp_pg)
1766                         amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON);
1767                 kv_update_acp_dpm(adev, false);
1768         }
1769 }
1770 
1771 static void kv_set_valid_clock_range(struct amdgpu_device *adev,
1772                                      struct amdgpu_ps *new_rps)
1773 {
1774         struct kv_ps *new_ps = kv_get_ps(new_rps);
1775         struct kv_power_info *pi = kv_get_pi(adev);
1776         u32 i;
1777         struct amdgpu_clock_voltage_dependency_table *table =
1778                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1779 
1780         if (table && table->count) {
1781                 for (i = 0; i < pi->graphics_dpm_level_count; i++) {
1782                         if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
1783                             (i == (pi->graphics_dpm_level_count - 1))) {
1784                                 pi->lowest_valid = i;
1785                                 break;
1786                         }
1787                 }
1788 
1789                 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1790                         if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
1791                                 break;
1792                 }
1793                 pi->highest_valid = i;
1794 
1795                 if (pi->lowest_valid > pi->highest_valid) {
1796                         if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
1797                             (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
1798                                 pi->highest_valid = pi->lowest_valid;
1799                         else
1800                                 pi->lowest_valid =  pi->highest_valid;
1801                 }
1802         } else {
1803                 struct sumo_sclk_voltage_mapping_table *table =
1804                         &pi->sys_info.sclk_voltage_mapping_table;
1805 
1806                 for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
1807                         if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
1808                             i == (int)(pi->graphics_dpm_level_count - 1)) {
1809                                 pi->lowest_valid = i;
1810                                 break;
1811                         }
1812                 }
1813 
1814                 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
1815                         if (table->entries[i].sclk_frequency <=
1816                             new_ps->levels[new_ps->num_levels - 1].sclk)
1817                                 break;
1818                 }
1819                 pi->highest_valid = i;
1820 
1821                 if (pi->lowest_valid > pi->highest_valid) {
1822                         if ((new_ps->levels[0].sclk -
1823                              table->entries[pi->highest_valid].sclk_frequency) >
1824                             (table->entries[pi->lowest_valid].sclk_frequency -
1825                              new_ps->levels[new_ps->num_levels -1].sclk))
1826                                 pi->highest_valid = pi->lowest_valid;
1827                         else
1828                                 pi->lowest_valid =  pi->highest_valid;
1829                 }
1830         }
1831 }
1832 
1833 static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev,
1834                                          struct amdgpu_ps *new_rps)
1835 {
1836         struct kv_ps *new_ps = kv_get_ps(new_rps);
1837         struct kv_power_info *pi = kv_get_pi(adev);
1838         int ret = 0;
1839         u8 clk_bypass_cntl;
1840 
1841         if (pi->caps_enable_dfs_bypass) {
1842                 clk_bypass_cntl = new_ps->need_dfs_bypass ?
1843                         pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
1844                 ret = amdgpu_kv_copy_bytes_to_smc(adev,
1845                                            (pi->dpm_table_start +
1846                                             offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
1847                                             (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
1848                                             offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
1849                                            &clk_bypass_cntl,
1850                                            sizeof(u8), pi->sram_end);
1851         }
1852 
1853         return ret;
1854 }
1855 
1856 static int kv_enable_nb_dpm(struct amdgpu_device *adev,
1857                             bool enable)
1858 {
1859         struct kv_power_info *pi = kv_get_pi(adev);
1860         int ret = 0;
1861 
1862         if (enable) {
1863                 if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
1864                         ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable);
1865                         if (ret == 0)
1866                                 pi->nb_dpm_enabled = true;
1867                 }
1868         } else {
1869                 if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
1870                         ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable);
1871                         if (ret == 0)
1872                                 pi->nb_dpm_enabled = false;
1873                 }
1874         }
1875 
1876         return ret;
1877 }
1878 
1879 static int kv_dpm_force_performance_level(void *handle,
1880                                           enum amd_dpm_forced_level level)
1881 {
1882         int ret;
1883         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1884 
1885         if (level == AMD_DPM_FORCED_LEVEL_HIGH) {
1886                 ret = kv_force_dpm_highest(adev);
1887                 if (ret)
1888                         return ret;
1889         } else if (level == AMD_DPM_FORCED_LEVEL_LOW) {
1890                 ret = kv_force_dpm_lowest(adev);
1891                 if (ret)
1892                         return ret;
1893         } else if (level == AMD_DPM_FORCED_LEVEL_AUTO) {
1894                 ret = kv_unforce_levels(adev);
1895                 if (ret)
1896                         return ret;
1897         }
1898 
1899         adev->pm.dpm.forced_level = level;
1900 
1901         return 0;
1902 }
1903 
1904 static int kv_dpm_pre_set_power_state(void *handle)
1905 {
1906         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1907         struct kv_power_info *pi = kv_get_pi(adev);
1908         struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
1909         struct amdgpu_ps *new_ps = &requested_ps;
1910 
1911         kv_update_requested_ps(adev, new_ps);
1912 
1913         kv_apply_state_adjust_rules(adev,
1914                                     &pi->requested_rps,
1915                                     &pi->current_rps);
1916 
1917         return 0;
1918 }
1919 
1920 static int kv_dpm_set_power_state(void *handle)
1921 {
1922         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1923         struct kv_power_info *pi = kv_get_pi(adev);
1924         struct amdgpu_ps *new_ps = &pi->requested_rps;
1925         struct amdgpu_ps *old_ps = &pi->current_rps;
1926         int ret;
1927 
1928         if (pi->bapm_enable) {
1929                 ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.ac_power);
1930                 if (ret) {
1931                         DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
1932                         return ret;
1933                 }
1934         }
1935 
1936         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
1937                 if (pi->enable_dpm) {
1938                         kv_set_valid_clock_range(adev, new_ps);
1939                         kv_update_dfs_bypass_settings(adev, new_ps);
1940                         ret = kv_calculate_ds_divider(adev);
1941                         if (ret) {
1942                                 DRM_ERROR("kv_calculate_ds_divider failed\n");
1943                                 return ret;
1944                         }
1945                         kv_calculate_nbps_level_settings(adev);
1946                         kv_calculate_dpm_settings(adev);
1947                         kv_force_lowest_valid(adev);
1948                         kv_enable_new_levels(adev);
1949                         kv_upload_dpm_settings(adev);
1950                         kv_program_nbps_index_settings(adev, new_ps);
1951                         kv_unforce_levels(adev);
1952                         kv_set_enabled_levels(adev);
1953                         kv_force_lowest_valid(adev);
1954                         kv_unforce_levels(adev);
1955 
1956                         ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1957                         if (ret) {
1958                                 DRM_ERROR("kv_update_vce_dpm failed\n");
1959                                 return ret;
1960                         }
1961                         kv_update_sclk_t(adev);
1962                         if (adev->asic_type == CHIP_MULLINS)
1963                                 kv_enable_nb_dpm(adev, true);
1964                 }
1965         } else {
1966                 if (pi->enable_dpm) {
1967                         kv_set_valid_clock_range(adev, new_ps);
1968                         kv_update_dfs_bypass_settings(adev, new_ps);
1969                         ret = kv_calculate_ds_divider(adev);
1970                         if (ret) {
1971                                 DRM_ERROR("kv_calculate_ds_divider failed\n");
1972                                 return ret;
1973                         }
1974                         kv_calculate_nbps_level_settings(adev);
1975                         kv_calculate_dpm_settings(adev);
1976                         kv_freeze_sclk_dpm(adev, true);
1977                         kv_upload_dpm_settings(adev);
1978                         kv_program_nbps_index_settings(adev, new_ps);
1979                         kv_freeze_sclk_dpm(adev, false);
1980                         kv_set_enabled_levels(adev);
1981                         ret = kv_update_vce_dpm(adev, new_ps, old_ps);
1982                         if (ret) {
1983                                 DRM_ERROR("kv_update_vce_dpm failed\n");
1984                                 return ret;
1985                         }
1986                         kv_update_acp_boot_level(adev);
1987                         kv_update_sclk_t(adev);
1988                         kv_enable_nb_dpm(adev, true);
1989                 }
1990         }
1991 
1992         return 0;
1993 }
1994 
1995 static void kv_dpm_post_set_power_state(void *handle)
1996 {
1997         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1998         struct kv_power_info *pi = kv_get_pi(adev);
1999         struct amdgpu_ps *new_ps = &pi->requested_rps;
2000 
2001         kv_update_current_ps(adev, new_ps);
2002 }
2003 
2004 static void kv_dpm_setup_asic(struct amdgpu_device *adev)
2005 {
2006         sumo_take_smu_control(adev, true);
2007         kv_init_powergate_state(adev);
2008         kv_init_sclk_t(adev);
2009 }
2010 
2011 #if 0
2012 static void kv_dpm_reset_asic(struct amdgpu_device *adev)
2013 {
2014         struct kv_power_info *pi = kv_get_pi(adev);
2015 
2016         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2017                 kv_force_lowest_valid(adev);
2018                 kv_init_graphics_levels(adev);
2019                 kv_program_bootup_state(adev);
2020                 kv_upload_dpm_settings(adev);
2021                 kv_force_lowest_valid(adev);
2022                 kv_unforce_levels(adev);
2023         } else {
2024                 kv_init_graphics_levels(adev);
2025                 kv_program_bootup_state(adev);
2026                 kv_freeze_sclk_dpm(adev, true);
2027                 kv_upload_dpm_settings(adev);
2028                 kv_freeze_sclk_dpm(adev, false);
2029                 kv_set_enabled_level(adev, pi->graphics_boot_level);
2030         }
2031 }
2032 #endif
2033 
2034 static void kv_construct_max_power_limits_table(struct amdgpu_device *adev,
2035                                                 struct amdgpu_clock_and_voltage_limits *table)
2036 {
2037         struct kv_power_info *pi = kv_get_pi(adev);
2038 
2039         if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
2040                 int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
2041                 table->sclk =
2042                         pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
2043                 table->vddc =
2044                         kv_convert_2bit_index_to_voltage(adev,
2045                                                          pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
2046         }
2047 
2048         table->mclk = pi->sys_info.nbp_memory_clock[0];
2049 }
2050 
2051 static void kv_patch_voltage_values(struct amdgpu_device *adev)
2052 {
2053         int i;
2054         struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
2055                 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
2056         struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
2057                 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
2058         struct amdgpu_clock_voltage_dependency_table *samu_table =
2059                 &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
2060         struct amdgpu_clock_voltage_dependency_table *acp_table =
2061                 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
2062 
2063         if (uvd_table->count) {
2064                 for (i = 0; i < uvd_table->count; i++)
2065                         uvd_table->entries[i].v =
2066                                 kv_convert_8bit_index_to_voltage(adev,
2067                                                                  uvd_table->entries[i].v);
2068         }
2069 
2070         if (vce_table->count) {
2071                 for (i = 0; i < vce_table->count; i++)
2072                         vce_table->entries[i].v =
2073                                 kv_convert_8bit_index_to_voltage(adev,
2074                                                                  vce_table->entries[i].v);
2075         }
2076 
2077         if (samu_table->count) {
2078                 for (i = 0; i < samu_table->count; i++)
2079                         samu_table->entries[i].v =
2080                                 kv_convert_8bit_index_to_voltage(adev,
2081                                                                  samu_table->entries[i].v);
2082         }
2083 
2084         if (acp_table->count) {
2085                 for (i = 0; i < acp_table->count; i++)
2086                         acp_table->entries[i].v =
2087                                 kv_convert_8bit_index_to_voltage(adev,
2088                                                                  acp_table->entries[i].v);
2089         }
2090 
2091 }
2092 
2093 static void kv_construct_boot_state(struct amdgpu_device *adev)
2094 {
2095         struct kv_power_info *pi = kv_get_pi(adev);
2096 
2097         pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
2098         pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
2099         pi->boot_pl.ds_divider_index = 0;
2100         pi->boot_pl.ss_divider_index = 0;
2101         pi->boot_pl.allow_gnb_slow = 1;
2102         pi->boot_pl.force_nbp_state = 0;
2103         pi->boot_pl.display_wm = 0;
2104         pi->boot_pl.vce_wm = 0;
2105 }
2106 
2107 static int kv_force_dpm_highest(struct amdgpu_device *adev)
2108 {
2109         int ret;
2110         u32 enable_mask, i;
2111 
2112         ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2113         if (ret)
2114                 return ret;
2115 
2116         for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
2117                 if (enable_mask & (1 << i))
2118                         break;
2119         }
2120 
2121         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2122                 return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2123         else
2124                 return kv_set_enabled_level(adev, i);
2125 }
2126 
2127 static int kv_force_dpm_lowest(struct amdgpu_device *adev)
2128 {
2129         int ret;
2130         u32 enable_mask, i;
2131 
2132         ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
2133         if (ret)
2134                 return ret;
2135 
2136         for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2137                 if (enable_mask & (1 << i))
2138                         break;
2139         }
2140 
2141         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2142                 return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
2143         else
2144                 return kv_set_enabled_level(adev, i);
2145 }
2146 
2147 static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev,
2148                                              u32 sclk, u32 min_sclk_in_sr)
2149 {
2150         struct kv_power_info *pi = kv_get_pi(adev);
2151         u32 i;
2152         u32 temp;
2153         u32 min = max(min_sclk_in_sr, (u32)KV_MINIMUM_ENGINE_CLOCK);
2154 
2155         if (sclk < min)
2156                 return 0;
2157 
2158         if (!pi->caps_sclk_ds)
2159                 return 0;
2160 
2161         for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
2162                 temp = sclk >> i;
2163                 if (temp >= min)
2164                         break;
2165         }
2166 
2167         return (u8)i;
2168 }
2169 
2170 static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit)
2171 {
2172         struct kv_power_info *pi = kv_get_pi(adev);
2173         struct amdgpu_clock_voltage_dependency_table *table =
2174                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2175         int i;
2176 
2177         if (table && table->count) {
2178                 for (i = table->count - 1; i >= 0; i--) {
2179                         if (pi->high_voltage_t &&
2180                             (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <=
2181                              pi->high_voltage_t)) {
2182                                 *limit = i;
2183                                 return 0;
2184                         }
2185                 }
2186         } else {
2187                 struct sumo_sclk_voltage_mapping_table *table =
2188                         &pi->sys_info.sclk_voltage_mapping_table;
2189 
2190                 for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
2191                         if (pi->high_voltage_t &&
2192                             (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <=
2193                              pi->high_voltage_t)) {
2194                                 *limit = i;
2195                                 return 0;
2196                         }
2197                 }
2198         }
2199 
2200         *limit = 0;
2201         return 0;
2202 }
2203 
2204 static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
2205                                         struct amdgpu_ps *new_rps,
2206                                         struct amdgpu_ps *old_rps)
2207 {
2208         struct kv_ps *ps = kv_get_ps(new_rps);
2209         struct kv_power_info *pi = kv_get_pi(adev);
2210         u32 min_sclk = 10000; /* ??? */
2211         u32 sclk, mclk = 0;
2212         int i, limit;
2213         bool force_high;
2214         struct amdgpu_clock_voltage_dependency_table *table =
2215                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2216         u32 stable_p_state_sclk = 0;
2217         struct amdgpu_clock_and_voltage_limits *max_limits =
2218                 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2219 
2220         if (new_rps->vce_active) {
2221                 new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
2222                 new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
2223         } else {
2224                 new_rps->evclk = 0;
2225                 new_rps->ecclk = 0;
2226         }
2227 
2228         mclk = max_limits->mclk;
2229         sclk = min_sclk;
2230 
2231         if (pi->caps_stable_p_state) {
2232                 stable_p_state_sclk = (max_limits->sclk * 75) / 100;
2233 
2234                 for (i = table->count - 1; i >= 0; i--) {
2235                         if (stable_p_state_sclk >= table->entries[i].clk) {
2236                                 stable_p_state_sclk = table->entries[i].clk;
2237                                 break;
2238                         }
2239                 }
2240 
2241                 if (i > 0)
2242                         stable_p_state_sclk = table->entries[0].clk;
2243 
2244                 sclk = stable_p_state_sclk;
2245         }
2246 
2247         if (new_rps->vce_active) {
2248                 if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
2249                         sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
2250         }
2251 
2252         ps->need_dfs_bypass = true;
2253 
2254         for (i = 0; i < ps->num_levels; i++) {
2255                 if (ps->levels[i].sclk < sclk)
2256                         ps->levels[i].sclk = sclk;
2257         }
2258 
2259         if (table && table->count) {
2260                 for (i = 0; i < ps->num_levels; i++) {
2261                         if (pi->high_voltage_t &&
2262                             (pi->high_voltage_t <
2263                              kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2264                                 kv_get_high_voltage_limit(adev, &limit);
2265                                 ps->levels[i].sclk = table->entries[limit].clk;
2266                         }
2267                 }
2268         } else {
2269                 struct sumo_sclk_voltage_mapping_table *table =
2270                         &pi->sys_info.sclk_voltage_mapping_table;
2271 
2272                 for (i = 0; i < ps->num_levels; i++) {
2273                         if (pi->high_voltage_t &&
2274                             (pi->high_voltage_t <
2275                              kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
2276                                 kv_get_high_voltage_limit(adev, &limit);
2277                                 ps->levels[i].sclk = table->entries[limit].sclk_frequency;
2278                         }
2279                 }
2280         }
2281 
2282         if (pi->caps_stable_p_state) {
2283                 for (i = 0; i < ps->num_levels; i++) {
2284                         ps->levels[i].sclk = stable_p_state_sclk;
2285                 }
2286         }
2287 
2288         pi->video_start = new_rps->dclk || new_rps->vclk ||
2289                 new_rps->evclk || new_rps->ecclk;
2290 
2291         if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
2292             ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
2293                 pi->battery_state = true;
2294         else
2295                 pi->battery_state = false;
2296 
2297         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2298                 ps->dpm0_pg_nb_ps_lo = 0x1;
2299                 ps->dpm0_pg_nb_ps_hi = 0x0;
2300                 ps->dpmx_nb_ps_lo = 0x1;
2301                 ps->dpmx_nb_ps_hi = 0x0;
2302         } else {
2303                 ps->dpm0_pg_nb_ps_lo = 0x3;
2304                 ps->dpm0_pg_nb_ps_hi = 0x0;
2305                 ps->dpmx_nb_ps_lo = 0x3;
2306                 ps->dpmx_nb_ps_hi = 0x0;
2307 
2308                 if (pi->sys_info.nb_dpm_enable) {
2309                         force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2310                                 pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) ||
2311                                 pi->disable_nb_ps3_in_battery;
2312                         ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
2313                         ps->dpm0_pg_nb_ps_hi = 0x2;
2314                         ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
2315                         ps->dpmx_nb_ps_hi = 0x2;
2316                 }
2317         }
2318 }
2319 
2320 static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev,
2321                                                     u32 index, bool enable)
2322 {
2323         struct kv_power_info *pi = kv_get_pi(adev);
2324 
2325         pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
2326 }
2327 
2328 static int kv_calculate_ds_divider(struct amdgpu_device *adev)
2329 {
2330         struct kv_power_info *pi = kv_get_pi(adev);
2331         u32 sclk_in_sr = 10000; /* ??? */
2332         u32 i;
2333 
2334         if (pi->lowest_valid > pi->highest_valid)
2335                 return -EINVAL;
2336 
2337         for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2338                 pi->graphics_level[i].DeepSleepDivId =
2339                         kv_get_sleep_divider_id_from_clock(adev,
2340                                                            be32_to_cpu(pi->graphics_level[i].SclkFrequency),
2341                                                            sclk_in_sr);
2342         }
2343         return 0;
2344 }
2345 
2346 static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev)
2347 {
2348         struct kv_power_info *pi = kv_get_pi(adev);
2349         u32 i;
2350         bool force_high;
2351         struct amdgpu_clock_and_voltage_limits *max_limits =
2352                 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2353         u32 mclk = max_limits->mclk;
2354 
2355         if (pi->lowest_valid > pi->highest_valid)
2356                 return -EINVAL;
2357 
2358         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
2359                 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2360                         pi->graphics_level[i].GnbSlow = 1;
2361                         pi->graphics_level[i].ForceNbPs1 = 0;
2362                         pi->graphics_level[i].UpH = 0;
2363                 }
2364 
2365                 if (!pi->sys_info.nb_dpm_enable)
2366                         return 0;
2367 
2368                 force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
2369                               (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);
2370 
2371                 if (force_high) {
2372                         for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2373                                 pi->graphics_level[i].GnbSlow = 0;
2374                 } else {
2375                         if (pi->battery_state)
2376                                 pi->graphics_level[0].ForceNbPs1 = 1;
2377 
2378                         pi->graphics_level[1].GnbSlow = 0;
2379                         pi->graphics_level[2].GnbSlow = 0;
2380                         pi->graphics_level[3].GnbSlow = 0;
2381                         pi->graphics_level[4].GnbSlow = 0;
2382                 }
2383         } else {
2384                 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
2385                         pi->graphics_level[i].GnbSlow = 1;
2386                         pi->graphics_level[i].ForceNbPs1 = 0;
2387                         pi->graphics_level[i].UpH = 0;
2388                 }
2389 
2390                 if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
2391                         pi->graphics_level[pi->lowest_valid].UpH = 0x28;
2392                         pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
2393                         if (pi->lowest_valid != pi->highest_valid)
2394                                 pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
2395                 }
2396         }
2397         return 0;
2398 }
2399 
2400 static int kv_calculate_dpm_settings(struct amdgpu_device *adev)
2401 {
2402         struct kv_power_info *pi = kv_get_pi(adev);
2403         u32 i;
2404 
2405         if (pi->lowest_valid > pi->highest_valid)
2406                 return -EINVAL;
2407 
2408         for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2409                 pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;
2410 
2411         return 0;
2412 }
2413 
2414 static void kv_init_graphics_levels(struct amdgpu_device *adev)
2415 {
2416         struct kv_power_info *pi = kv_get_pi(adev);
2417         u32 i;
2418         struct amdgpu_clock_voltage_dependency_table *table =
2419                 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
2420 
2421         if (table && table->count) {
2422                 u32 vid_2bit;
2423 
2424                 pi->graphics_dpm_level_count = 0;
2425                 for (i = 0; i < table->count; i++) {
2426                         if (pi->high_voltage_t &&
2427                             (pi->high_voltage_t <
2428                              kv_convert_8bit_index_to_voltage(adev, table->entries[i].v)))
2429                                 break;
2430 
2431                         kv_set_divider_value(adev, i, table->entries[i].clk);
2432                         vid_2bit = kv_convert_vid7_to_vid2(adev,
2433                                                            &pi->sys_info.vid_mapping_table,
2434                                                            table->entries[i].v);
2435                         kv_set_vid(adev, i, vid_2bit);
2436                         kv_set_at(adev, i, pi->at[i]);
2437                         kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2438                         pi->graphics_dpm_level_count++;
2439                 }
2440         } else {
2441                 struct sumo_sclk_voltage_mapping_table *table =
2442                         &pi->sys_info.sclk_voltage_mapping_table;
2443 
2444                 pi->graphics_dpm_level_count = 0;
2445                 for (i = 0; i < table->num_max_dpm_entries; i++) {
2446                         if (pi->high_voltage_t &&
2447                             pi->high_voltage_t <
2448                             kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit))
2449                                 break;
2450 
2451                         kv_set_divider_value(adev, i, table->entries[i].sclk_frequency);
2452                         kv_set_vid(adev, i, table->entries[i].vid_2bit);
2453                         kv_set_at(adev, i, pi->at[i]);
2454                         kv_dpm_power_level_enabled_for_throttle(adev, i, true);
2455                         pi->graphics_dpm_level_count++;
2456                 }
2457         }
2458 
2459         for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
2460                 kv_dpm_power_level_enable(adev, i, false);
2461 }
2462 
2463 static void kv_enable_new_levels(struct amdgpu_device *adev)
2464 {
2465         struct kv_power_info *pi = kv_get_pi(adev);
2466         u32 i;
2467 
2468         for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
2469                 if (i >= pi->lowest_valid && i <= pi->highest_valid)
2470                         kv_dpm_power_level_enable(adev, i, true);
2471         }
2472 }
2473 
2474 static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level)
2475 {
2476         u32 new_mask = (1 << level);
2477 
2478         return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2479                                                  PPSMC_MSG_SCLKDPM_SetEnabledMask,
2480                                                  new_mask);
2481 }
2482 
2483 static int kv_set_enabled_levels(struct amdgpu_device *adev)
2484 {
2485         struct kv_power_info *pi = kv_get_pi(adev);
2486         u32 i, new_mask = 0;
2487 
2488         for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
2489                 new_mask |= (1 << i);
2490 
2491         return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
2492                                                  PPSMC_MSG_SCLKDPM_SetEnabledMask,
2493                                                  new_mask);
2494 }
2495 
2496 static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
2497                                            struct amdgpu_ps *new_rps)
2498 {
2499         struct kv_ps *new_ps = kv_get_ps(new_rps);
2500         struct kv_power_info *pi = kv_get_pi(adev);
2501         u32 nbdpmconfig1;
2502 
2503         if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
2504                 return;
2505 
2506         if (pi->sys_info.nb_dpm_enable) {
2507                 nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1);
2508                 nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK |
2509                                 NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK |
2510                                 NB_DPM_CONFIG_1__DpmXNbPsLo_MASK |
2511                                 NB_DPM_CONFIG_1__DpmXNbPsHi_MASK);
2512                 nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) |
2513                                 (new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) |
2514                                 (new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) |
2515                                 (new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT);
2516                 WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1);
2517         }
2518 }
2519 
2520 static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
2521                                             int min_temp, int max_temp)
2522 {
2523         int low_temp = 0 * 1000;
2524         int high_temp = 255 * 1000;
2525         u32 tmp;
2526 
2527         if (low_temp < min_temp)
2528                 low_temp = min_temp;
2529         if (high_temp > max_temp)
2530                 high_temp = max_temp;
2531         if (high_temp < low_temp) {
2532                 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
2533                 return -EINVAL;
2534         }
2535 
2536         tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
2537         tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK |
2538                 CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
2539         tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) |
2540                 ((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
2541         WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp);
2542 
2543         adev->pm.dpm.thermal.min_temp = low_temp;
2544         adev->pm.dpm.thermal.max_temp = high_temp;
2545 
2546         return 0;
2547 }
2548 
2549 union igp_info {
2550         struct _ATOM_INTEGRATED_SYSTEM_INFO info;
2551         struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
2552         struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
2553         struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
2554         struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
2555         struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
2556 };
2557 
2558 static int kv_parse_sys_info_table(struct amdgpu_device *adev)
2559 {
2560         struct kv_power_info *pi = kv_get_pi(adev);
2561         struct amdgpu_mode_info *mode_info = &adev->mode_info;
2562         int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
2563         union igp_info *igp_info;
2564         u8 frev, crev;
2565         u16 data_offset;
2566         int i;
2567 
2568         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2569                                    &frev, &crev, &data_offset)) {
2570                 igp_info = (union igp_info *)(mode_info->atom_context->bios +
2571                                               data_offset);
2572 
2573                 if (crev != 8) {
2574                         DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
2575                         return -EINVAL;
2576                 }
2577                 pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
2578                 pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
2579                 pi->sys_info.bootup_nb_voltage_index =
2580                         le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
2581                 if (igp_info->info_8.ucHtcTmpLmt == 0)
2582                         pi->sys_info.htc_tmp_lmt = 203;
2583                 else
2584                         pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
2585                 if (igp_info->info_8.ucHtcHystLmt == 0)
2586                         pi->sys_info.htc_hyst_lmt = 5;
2587                 else
2588                         pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
2589                 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
2590                         DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
2591                 }
2592 
2593                 if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
2594                         pi->sys_info.nb_dpm_enable = true;
2595                 else
2596                         pi->sys_info.nb_dpm_enable = false;
2597 
2598                 for (i = 0; i < KV_NUM_NBPSTATES; i++) {
2599                         pi->sys_info.nbp_memory_clock[i] =
2600                                 le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
2601                         pi->sys_info.nbp_n_clock[i] =
2602                                 le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
2603                 }
2604                 if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
2605                     SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
2606                         pi->caps_enable_dfs_bypass = true;
2607 
2608                 sumo_construct_sclk_voltage_mapping_table(adev,
2609                                                           &pi->sys_info.sclk_voltage_mapping_table,
2610                                                           igp_info->info_8.sAvail_SCLK);
2611 
2612                 sumo_construct_vid_mapping_table(adev,
2613                                                  &pi->sys_info.vid_mapping_table,
2614                                                  igp_info->info_8.sAvail_SCLK);
2615 
2616                 kv_construct_max_power_limits_table(adev,
2617                                                     &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
2618         }
2619         return 0;
2620 }
2621 
2622 union power_info {
2623         struct _ATOM_POWERPLAY_INFO info;
2624         struct _ATOM_POWERPLAY_INFO_V2 info_2;
2625         struct _ATOM_POWERPLAY_INFO_V3 info_3;
2626         struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2627         struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2628         struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2629 };
2630 
2631 union pplib_clock_info {
2632         struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2633         struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2634         struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2635         struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2636 };
2637 
2638 union pplib_power_state {
2639         struct _ATOM_PPLIB_STATE v1;
2640         struct _ATOM_PPLIB_STATE_V2 v2;
2641 };
2642 
2643 static void kv_patch_boot_state(struct amdgpu_device *adev,
2644                                 struct kv_ps *ps)
2645 {
2646         struct kv_power_info *pi = kv_get_pi(adev);
2647 
2648         ps->num_levels = 1;
2649         ps->levels[0] = pi->boot_pl;
2650 }
2651 
2652 static void kv_parse_pplib_non_clock_info(struct amdgpu_device *adev,
2653                                           struct amdgpu_ps *rps,
2654                                           struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
2655                                           u8 table_rev)
2656 {
2657         struct kv_ps *ps = kv_get_ps(rps);
2658 
2659         rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2660         rps->class = le16_to_cpu(non_clock_info->usClassification);
2661         rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
2662 
2663         if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
2664                 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
2665                 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
2666         } else {
2667                 rps->vclk = 0;
2668                 rps->dclk = 0;
2669         }
2670 
2671         if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2672                 adev->pm.dpm.boot_ps = rps;
2673                 kv_patch_boot_state(adev, ps);
2674         }
2675         if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
2676                 adev->pm.dpm.uvd_ps = rps;
2677 }
2678 
2679 static void kv_parse_pplib_clock_info(struct amdgpu_device *adev,
2680                                       struct amdgpu_ps *rps, int index,
2681                                         union pplib_clock_info *clock_info)
2682 {
2683         struct kv_power_info *pi = kv_get_pi(adev);
2684         struct kv_ps *ps = kv_get_ps(rps);
2685         struct kv_pl *pl = &ps->levels[index];
2686         u32 sclk;
2687 
2688         sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2689         sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2690         pl->sclk = sclk;
2691         pl->vddc_index = clock_info->sumo.vddcIndex;
2692 
2693         ps->num_levels = index + 1;
2694 
2695         if (pi->caps_sclk_ds) {
2696                 pl->ds_divider_index = 5;
2697                 pl->ss_divider_index = 5;
2698         }
2699 }
2700 
2701 static int kv_parse_power_table(struct amdgpu_device *adev)
2702 {
2703         struct amdgpu_mode_info *mode_info = &adev->mode_info;
2704         struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2705         union pplib_power_state *power_state;
2706         int i, j, k, non_clock_array_index, clock_array_index;
2707         union pplib_clock_info *clock_info;
2708         struct _StateArray *state_array;
2709         struct _ClockInfoArray *clock_info_array;
2710         struct _NonClockInfoArray *non_clock_info_array;
2711         union power_info *power_info;
2712         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2713         u16 data_offset;
2714         u8 frev, crev;
2715         u8 *power_state_offset;
2716         struct kv_ps *ps;
2717 
2718         if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2719                                    &frev, &crev, &data_offset))
2720                 return -EINVAL;
2721         power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2722 
2723         amdgpu_add_thermal_controller(adev);
2724 
2725         state_array = (struct _StateArray *)
2726                 (mode_info->atom_context->bios + data_offset +
2727                  le16_to_cpu(power_info->pplib.usStateArrayOffset));
2728         clock_info_array = (struct _ClockInfoArray *)
2729                 (mode_info->atom_context->bios + data_offset +
2730                  le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2731         non_clock_info_array = (struct _NonClockInfoArray *)
2732                 (mode_info->atom_context->bios + data_offset +
2733                  le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2734 
2735         adev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
2736                                   sizeof(struct amdgpu_ps),
2737                                   GFP_KERNEL);
2738         if (!adev->pm.dpm.ps)
2739                 return -ENOMEM;
2740         power_state_offset = (u8 *)state_array->states;
2741         for (i = 0; i < state_array->ucNumEntries; i++) {
2742                 u8 *idx;
2743                 power_state = (union pplib_power_state *)power_state_offset;
2744                 non_clock_array_index = power_state->v2.nonClockInfoIndex;
2745                 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2746                         &non_clock_info_array->nonClockInfo[non_clock_array_index];
2747                 ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL);
2748                 if (ps == NULL) {
2749                         kfree(adev->pm.dpm.ps);
2750                         return -ENOMEM;
2751                 }
2752                 adev->pm.dpm.ps[i].ps_priv = ps;
2753                 k = 0;
2754                 idx = (u8 *)&power_state->v2.clockInfoIndex[0];
2755                 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2756                         clock_array_index = idx[j];
2757                         if (clock_array_index >= clock_info_array->ucNumEntries)
2758                                 continue;
2759                         if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
2760                                 break;
2761                         clock_info = (union pplib_clock_info *)
2762                                 ((u8 *)&clock_info_array->clockInfo[0] +
2763                                  (clock_array_index * clock_info_array->ucEntrySize));
2764                         kv_parse_pplib_clock_info(adev,
2765                                                   &adev->pm.dpm.ps[i], k,
2766                                                   clock_info);
2767                         k++;
2768                 }
2769                 kv_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
2770                                               non_clock_info,
2771                                               non_clock_info_array->ucEntrySize);
2772                 power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2773         }
2774         adev->pm.dpm.num_ps = state_array->ucNumEntries;
2775 
2776         /* fill in the vce power states */
2777         for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
2778                 u32 sclk;
2779                 clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
2780                 clock_info = (union pplib_clock_info *)
2781                         &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2782                 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2783                 sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2784                 adev->pm.dpm.vce_states[i].sclk = sclk;
2785                 adev->pm.dpm.vce_states[i].mclk = 0;
2786         }
2787 
2788         return 0;
2789 }
2790 
2791 static int kv_dpm_init(struct amdgpu_device *adev)
2792 {
2793         struct kv_power_info *pi;
2794         int ret, i;
2795 
2796         pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
2797         if (pi == NULL)
2798                 return -ENOMEM;
2799         adev->pm.dpm.priv = pi;
2800 
2801         ret = amdgpu_get_platform_caps(adev);
2802         if (ret)
2803                 return ret;
2804 
2805         ret = amdgpu_parse_extended_power_table(adev);
2806         if (ret)
2807                 return ret;
2808 
2809         for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
2810                 pi->at[i] = TRINITY_AT_DFLT;
2811 
2812         pi->sram_end = SMC_RAM_END;
2813 
2814         pi->enable_nb_dpm = true;
2815 
2816         pi->caps_power_containment = true;
2817         pi->caps_cac = true;
2818         pi->enable_didt = false;
2819         if (pi->enable_didt) {
2820                 pi->caps_sq_ramping = true;
2821                 pi->caps_db_ramping = true;
2822                 pi->caps_td_ramping = true;
2823                 pi->caps_tcp_ramping = true;
2824         }
2825 
2826         if (adev->pm.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
2827                 pi->caps_sclk_ds = true;
2828         else
2829                 pi->caps_sclk_ds = false;
2830 
2831         pi->enable_auto_thermal_throttling = true;
2832         pi->disable_nb_ps3_in_battery = false;
2833         if (amdgpu_bapm == 0)
2834                 pi->bapm_enable = false;
2835         else
2836                 pi->bapm_enable = true;
2837         pi->voltage_drop_t = 0;
2838         pi->caps_sclk_throttle_low_notification = false;
2839         pi->caps_fps = false; /* true? */
2840         pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false;
2841         pi->caps_uvd_dpm = true;
2842         pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false;
2843         pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false;
2844         pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false;
2845         pi->caps_stable_p_state = false;
2846 
2847         ret = kv_parse_sys_info_table(adev);
2848         if (ret)
2849                 return ret;
2850 
2851         kv_patch_voltage_values(adev);
2852         kv_construct_boot_state(adev);
2853 
2854         ret = kv_parse_power_table(adev);
2855         if (ret)
2856                 return ret;
2857 
2858         pi->enable_dpm = true;
2859 
2860         return 0;
2861 }
2862 
2863 static void
2864 kv_dpm_debugfs_print_current_performance_level(void *handle,
2865                                                struct seq_file *m)
2866 {
2867         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2868         struct kv_power_info *pi = kv_get_pi(adev);
2869         u32 current_index =
2870                 (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
2871                 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
2872                 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
2873         u32 sclk, tmp;
2874         u16 vddc;
2875 
2876         if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
2877                 seq_printf(m, "invalid dpm profile %d\n", current_index);
2878         } else {
2879                 sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
2880                 tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) &
2881                         SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
2882                         SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT;
2883                 vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp);
2884                 seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
2885                 seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
2886                 seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
2887                            current_index, sclk, vddc);
2888         }
2889 }
2890 
2891 static void
2892 kv_dpm_print_power_state(void *handle, void *request_ps)
2893 {
2894         int i;
2895         struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
2896         struct kv_ps *ps = kv_get_ps(rps);
2897         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2898 
2899         amdgpu_dpm_print_class_info(rps->class, rps->class2);
2900         amdgpu_dpm_print_cap_info(rps->caps);
2901         printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2902         for (i = 0; i < ps->num_levels; i++) {
2903                 struct kv_pl *pl = &ps->levels[i];
2904                 printk("\t\tpower level %d    sclk: %u vddc: %u\n",
2905                        i, pl->sclk,
2906                        kv_convert_8bit_index_to_voltage(adev, pl->vddc_index));
2907         }
2908         amdgpu_dpm_print_ps_status(adev, rps);
2909 }
2910 
2911 static void kv_dpm_fini(struct amdgpu_device *adev)
2912 {
2913         int i;
2914 
2915         for (i = 0; i < adev->pm.dpm.num_ps; i++) {
2916                 kfree(adev->pm.dpm.ps[i].ps_priv);
2917         }
2918         kfree(adev->pm.dpm.ps);
2919         kfree(adev->pm.dpm.priv);
2920         amdgpu_free_extended_power_table(adev);
2921 }
2922 
2923 static void kv_dpm_display_configuration_changed(void *handle)
2924 {
2925 
2926 }
2927 
2928 static u32 kv_dpm_get_sclk(void *handle, bool low)
2929 {
2930         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2931         struct kv_power_info *pi = kv_get_pi(adev);
2932         struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps);
2933 
2934         if (low)
2935                 return requested_state->levels[0].sclk;
2936         else
2937                 return requested_state->levels[requested_state->num_levels - 1].sclk;
2938 }
2939 
2940 static u32 kv_dpm_get_mclk(void *handle, bool low)
2941 {
2942         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2943         struct kv_power_info *pi = kv_get_pi(adev);
2944 
2945         return pi->sys_info.bootup_uma_clk;
2946 }
2947 
2948 /* get temperature in millidegrees */
2949 static int kv_dpm_get_temp(void *handle)
2950 {
2951         u32 temp;
2952         int actual_temp = 0;
2953         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2954 
2955         temp = RREG32_SMC(0xC0300E0C);
2956 
2957         if (temp)
2958                 actual_temp = (temp / 8) - 49;
2959         else
2960                 actual_temp = 0;
2961 
2962         actual_temp = actual_temp * 1000;
2963 
2964         return actual_temp;
2965 }
2966 
2967 static int kv_dpm_early_init(void *handle)
2968 {
2969         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2970 
2971         adev->powerplay.pp_funcs = &kv_dpm_funcs;
2972         adev->powerplay.pp_handle = adev;
2973         kv_dpm_set_irq_funcs(adev);
2974 
2975         return 0;
2976 }
2977 
2978 static int kv_dpm_late_init(void *handle)
2979 {
2980         /* powerdown unused blocks for now */
2981         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2982 
2983         if (!adev->pm.dpm_enabled)
2984                 return 0;
2985 
2986         kv_dpm_powergate_acp(adev, true);
2987         kv_dpm_powergate_samu(adev, true);
2988 
2989         return 0;
2990 }
2991 
2992 static int kv_dpm_sw_init(void *handle)
2993 {
2994         int ret;
2995         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2996 
2997         ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 230,
2998                                 &adev->pm.dpm.thermal.irq);
2999         if (ret)
3000                 return ret;
3001 
3002         ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 231,
3003                                 &adev->pm.dpm.thermal.irq);
3004         if (ret)
3005                 return ret;
3006 
3007         /* default to balanced state */
3008         adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
3009         adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
3010         adev->pm.dpm.forced_level = AMD_DPM_FORCED_LEVEL_AUTO;
3011         adev->pm.default_sclk = adev->clock.default_sclk;
3012         adev->pm.default_mclk = adev->clock.default_mclk;
3013         adev->pm.current_sclk = adev->clock.default_sclk;
3014         adev->pm.current_mclk = adev->clock.default_mclk;
3015         adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
3016 
3017         if (amdgpu_dpm == 0)
3018                 return 0;
3019 
3020         INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler);
3021         mutex_lock(&adev->pm.mutex);
3022         ret = kv_dpm_init(adev);
3023         if (ret)
3024                 goto dpm_failed;
3025         adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3026         if (amdgpu_dpm == 1)
3027                 amdgpu_pm_print_power_states(adev);
3028         mutex_unlock(&adev->pm.mutex);
3029         DRM_INFO("amdgpu: dpm initialized\n");
3030 
3031         return 0;
3032 
3033 dpm_failed:
3034         kv_dpm_fini(adev);
3035         mutex_unlock(&adev->pm.mutex);
3036         DRM_ERROR("amdgpu: dpm initialization failed\n");
3037         return ret;
3038 }
3039 
3040 static int kv_dpm_sw_fini(void *handle)
3041 {
3042         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3043 
3044         flush_work(&adev->pm.dpm.thermal.work);
3045 
3046         mutex_lock(&adev->pm.mutex);
3047         kv_dpm_fini(adev);
3048         mutex_unlock(&adev->pm.mutex);
3049 
3050         return 0;
3051 }
3052 
3053 static int kv_dpm_hw_init(void *handle)
3054 {
3055         int ret;
3056         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3057 
3058         if (!amdgpu_dpm)
3059                 return 0;
3060 
3061         mutex_lock(&adev->pm.mutex);
3062         kv_dpm_setup_asic(adev);
3063         ret = kv_dpm_enable(adev);
3064         if (ret)
3065                 adev->pm.dpm_enabled = false;
3066         else
3067                 adev->pm.dpm_enabled = true;
3068         mutex_unlock(&adev->pm.mutex);
3069         amdgpu_pm_compute_clocks(adev);
3070         return ret;
3071 }
3072 
3073 static int kv_dpm_hw_fini(void *handle)
3074 {
3075         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3076 
3077         if (adev->pm.dpm_enabled) {
3078                 mutex_lock(&adev->pm.mutex);
3079                 kv_dpm_disable(adev);
3080                 mutex_unlock(&adev->pm.mutex);
3081         }
3082 
3083         return 0;
3084 }
3085 
3086 static int kv_dpm_suspend(void *handle)
3087 {
3088         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3089 
3090         if (adev->pm.dpm_enabled) {
3091                 mutex_lock(&adev->pm.mutex);
3092                 /* disable dpm */
3093                 kv_dpm_disable(adev);
3094                 /* reset the power state */
3095                 adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
3096                 mutex_unlock(&adev->pm.mutex);
3097         }
3098         return 0;
3099 }
3100 
3101 static int kv_dpm_resume(void *handle)
3102 {
3103         int ret;
3104         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3105 
3106         if (adev->pm.dpm_enabled) {
3107                 /* asic init will reset to the boot state */
3108                 mutex_lock(&adev->pm.mutex);
3109                 kv_dpm_setup_asic(adev);
3110                 ret = kv_dpm_enable(adev);
3111                 if (ret)
3112                         adev->pm.dpm_enabled = false;
3113                 else
3114                         adev->pm.dpm_enabled = true;
3115                 mutex_unlock(&adev->pm.mutex);
3116                 if (adev->pm.dpm_enabled)
3117                         amdgpu_pm_compute_clocks(adev);
3118         }
3119         return 0;
3120 }
3121 
3122 static bool kv_dpm_is_idle(void *handle)
3123 {
3124         return true;
3125 }
3126 
3127 static int kv_dpm_wait_for_idle(void *handle)
3128 {
3129         return 0;
3130 }
3131 
3132 
3133 static int kv_dpm_soft_reset(void *handle)
3134 {
3135         return 0;
3136 }
3137 
3138 static int kv_dpm_set_interrupt_state(struct amdgpu_device *adev,
3139                                       struct amdgpu_irq_src *src,
3140                                       unsigned type,
3141                                       enum amdgpu_interrupt_state state)
3142 {
3143         u32 cg_thermal_int;
3144 
3145         switch (type) {
3146         case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH:
3147                 switch (state) {
3148                 case AMDGPU_IRQ_STATE_DISABLE:
3149                         cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3150                         cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3151                         WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3152                         break;
3153                 case AMDGPU_IRQ_STATE_ENABLE:
3154                         cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3155                         cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
3156                         WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3157                         break;
3158                 default:
3159                         break;
3160                 }
3161                 break;
3162 
3163         case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW:
3164                 switch (state) {
3165                 case AMDGPU_IRQ_STATE_DISABLE:
3166                         cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3167                         cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3168                         WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3169                         break;
3170                 case AMDGPU_IRQ_STATE_ENABLE:
3171                         cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
3172                         cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
3173                         WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int);
3174                         break;
3175                 default:
3176                         break;
3177                 }
3178                 break;
3179 
3180         default:
3181                 break;
3182         }
3183         return 0;
3184 }
3185 
3186 static int kv_dpm_process_interrupt(struct amdgpu_device *adev,
3187                                     struct amdgpu_irq_src *source,
3188                                     struct amdgpu_iv_entry *entry)
3189 {
3190         bool queue_thermal = false;
3191 
3192         if (entry == NULL)
3193                 return -EINVAL;
3194 
3195         switch (entry->src_id) {
3196         case 230: /* thermal low to high */
3197                 DRM_DEBUG("IH: thermal low to high\n");
3198                 adev->pm.dpm.thermal.high_to_low = false;
3199                 queue_thermal = true;
3200                 break;
3201         case 231: /* thermal high to low */
3202                 DRM_DEBUG("IH: thermal high to low\n");
3203                 adev->pm.dpm.thermal.high_to_low = true;
3204                 queue_thermal = true;
3205                 break;
3206         default:
3207                 break;
3208         }
3209 
3210         if (queue_thermal)
3211                 schedule_work(&adev->pm.dpm.thermal.work);
3212 
3213         return 0;
3214 }
3215 
3216 static int kv_dpm_set_clockgating_state(void *handle,
3217                                           enum amd_clockgating_state state)
3218 {
3219         return 0;
3220 }
3221 
3222 static int kv_dpm_set_powergating_state(void *handle,
3223                                           enum amd_powergating_state state)
3224 {
3225         return 0;
3226 }
3227 
3228 static inline bool kv_are_power_levels_equal(const struct kv_pl *kv_cpl1,
3229                                                 const struct kv_pl *kv_cpl2)
3230 {
3231         return ((kv_cpl1->sclk == kv_cpl2->sclk) &&
3232                   (kv_cpl1->vddc_index == kv_cpl2->vddc_index) &&
3233                   (kv_cpl1->ds_divider_index == kv_cpl2->ds_divider_index) &&
3234                   (kv_cpl1->force_nbp_state == kv_cpl2->force_nbp_state));
3235 }
3236 
3237 static int kv_check_state_equal(void *handle,
3238                                 void *current_ps,
3239                                 void *request_ps,
3240                                 bool *equal)
3241 {
3242         struct kv_ps *kv_cps;
3243         struct kv_ps *kv_rps;
3244         int i;
3245         struct amdgpu_ps *cps = (struct amdgpu_ps *)current_ps;
3246         struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
3247         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3248 
3249         if (adev == NULL || cps == NULL || rps == NULL || equal == NULL)
3250                 return -EINVAL;
3251 
3252         kv_cps = kv_get_ps(cps);
3253         kv_rps = kv_get_ps(rps);
3254 
3255         if (kv_cps == NULL) {
3256                 *equal = false;
3257                 return 0;
3258         }
3259 
3260         if (kv_cps->num_levels != kv_rps->num_levels) {
3261                 *equal = false;
3262                 return 0;
3263         }
3264 
3265         for (i = 0; i < kv_cps->num_levels; i++) {
3266                 if (!kv_are_power_levels_equal(&(kv_cps->levels[i]),
3267                                         &(kv_rps->levels[i]))) {
3268                         *equal = false;
3269                         return 0;
3270                 }
3271         }
3272 
3273         /* If all performance levels are the same try to use the UVD clocks to break the tie.*/
3274         *equal = ((cps->vclk == rps->vclk) && (cps->dclk == rps->dclk));
3275         *equal &= ((cps->evclk == rps->evclk) && (cps->ecclk == rps->ecclk));
3276 
3277         return 0;
3278 }
3279 
3280 static int kv_dpm_read_sensor(void *handle, int idx,
3281                               void *value, int *size)
3282 {
3283         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3284         struct kv_power_info *pi = kv_get_pi(adev);
3285         uint32_t sclk;
3286         u32 pl_index =
3287                 (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
3288                 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
3289                 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
3290 
3291         /* size must be at least 4 bytes for all sensors */
3292         if (*size < 4)
3293                 return -EINVAL;
3294 
3295         switch (idx) {
3296         case AMDGPU_PP_SENSOR_GFX_SCLK:
3297                 if (pl_index < SMU__NUM_SCLK_DPM_STATE) {
3298                         sclk = be32_to_cpu(
3299                                 pi->graphics_level[pl_index].SclkFrequency);
3300                         *((uint32_t *)value) = sclk;
3301                         *size = 4;
3302                         return 0;
3303                 }
3304                 return -EINVAL;
3305         case AMDGPU_PP_SENSOR_GPU_TEMP:
3306                 *((uint32_t *)value) = kv_dpm_get_temp(adev);
3307                 *size = 4;
3308                 return 0;
3309         default:
3310                 return -EINVAL;
3311         }
3312 }
3313 
3314 static int kv_set_powergating_by_smu(void *handle,
3315                                 uint32_t block_type, bool gate)
3316 {
3317         switch (block_type) {
3318         case AMD_IP_BLOCK_TYPE_UVD:
3319                 kv_dpm_powergate_uvd(handle, gate);
3320                 break;
3321         case AMD_IP_BLOCK_TYPE_VCE:
3322                 kv_dpm_powergate_vce(handle, gate);
3323                 break;
3324         default:
3325                 break;
3326         }
3327         return 0;
3328 }
3329 
3330 static const struct amd_ip_funcs kv_dpm_ip_funcs = {
3331         .name = "kv_dpm",
3332         .early_init = kv_dpm_early_init,
3333         .late_init = kv_dpm_late_init,
3334         .sw_init = kv_dpm_sw_init,
3335         .sw_fini = kv_dpm_sw_fini,
3336         .hw_init = kv_dpm_hw_init,
3337         .hw_fini = kv_dpm_hw_fini,
3338         .suspend = kv_dpm_suspend,
3339         .resume = kv_dpm_resume,
3340         .is_idle = kv_dpm_is_idle,
3341         .wait_for_idle = kv_dpm_wait_for_idle,
3342         .soft_reset = kv_dpm_soft_reset,
3343         .set_clockgating_state = kv_dpm_set_clockgating_state,
3344         .set_powergating_state = kv_dpm_set_powergating_state,
3345 };
3346 
3347 const struct amdgpu_ip_block_version kv_smu_ip_block =
3348 {
3349         .type = AMD_IP_BLOCK_TYPE_SMC,
3350         .major = 1,
3351         .minor = 0,
3352         .rev = 0,
3353         .funcs = &kv_dpm_ip_funcs,
3354 };
3355 
3356 static const struct amd_pm_funcs kv_dpm_funcs = {
3357         .pre_set_power_state = &kv_dpm_pre_set_power_state,
3358         .set_power_state = &kv_dpm_set_power_state,
3359         .post_set_power_state = &kv_dpm_post_set_power_state,
3360         .display_configuration_changed = &kv_dpm_display_configuration_changed,
3361         .get_sclk = &kv_dpm_get_sclk,
3362         .get_mclk = &kv_dpm_get_mclk,
3363         .print_power_state = &kv_dpm_print_power_state,
3364         .debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level,
3365         .force_performance_level = &kv_dpm_force_performance_level,
3366         .set_powergating_by_smu = kv_set_powergating_by_smu,
3367         .enable_bapm = &kv_dpm_enable_bapm,
3368         .get_vce_clock_state = amdgpu_get_vce_clock_state,
3369         .check_state_equal = kv_check_state_equal,
3370         .read_sensor = &kv_dpm_read_sensor,
3371 };
3372 
3373 static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = {
3374         .set = kv_dpm_set_interrupt_state,
3375         .process = kv_dpm_process_interrupt,
3376 };
3377 
3378 static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev)
3379 {
3380         adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST;
3381         adev->pm.dpm.thermal.irq.funcs = &kv_dpm_irq_funcs;
3382 }

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