LCOV - code coverage report
Current view: top level - drivers/gpu/drm/amd/pm/swsmu - amdgpu_smu.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 1247 0.0 %
Date: 2022-12-09 01:23:36 Functions: 0 107 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright 2019 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             : #define SWSMU_CODE_LAYER_L1
      24             : 
      25             : #include <linux/firmware.h>
      26             : #include <linux/pci.h>
      27             : 
      28             : #include "amdgpu.h"
      29             : #include "amdgpu_smu.h"
      30             : #include "smu_internal.h"
      31             : #include "atom.h"
      32             : #include "arcturus_ppt.h"
      33             : #include "navi10_ppt.h"
      34             : #include "sienna_cichlid_ppt.h"
      35             : #include "renoir_ppt.h"
      36             : #include "vangogh_ppt.h"
      37             : #include "aldebaran_ppt.h"
      38             : #include "yellow_carp_ppt.h"
      39             : #include "cyan_skillfish_ppt.h"
      40             : #include "smu_v13_0_0_ppt.h"
      41             : #include "smu_v13_0_4_ppt.h"
      42             : #include "smu_v13_0_5_ppt.h"
      43             : #include "smu_v13_0_7_ppt.h"
      44             : #include "amd_pcie.h"
      45             : 
      46             : /*
      47             :  * DO NOT use these for err/warn/info/debug messages.
      48             :  * Use dev_err, dev_warn, dev_info and dev_dbg instead.
      49             :  * They are more MGPU friendly.
      50             :  */
      51             : #undef pr_err
      52             : #undef pr_warn
      53             : #undef pr_info
      54             : #undef pr_debug
      55             : 
      56             : static const struct amd_pm_funcs swsmu_pm_funcs;
      57             : static int smu_force_smuclk_levels(struct smu_context *smu,
      58             :                                    enum smu_clk_type clk_type,
      59             :                                    uint32_t mask);
      60             : static int smu_handle_task(struct smu_context *smu,
      61             :                            enum amd_dpm_forced_level level,
      62             :                            enum amd_pp_task task_id);
      63             : static int smu_reset(struct smu_context *smu);
      64             : static int smu_set_fan_speed_pwm(void *handle, u32 speed);
      65             : static int smu_set_fan_control_mode(void *handle, u32 value);
      66             : static int smu_set_power_limit(void *handle, uint32_t limit);
      67             : static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
      68             : static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
      69             : static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
      70             : 
      71           0 : static int smu_sys_get_pp_feature_mask(void *handle,
      72             :                                        char *buf)
      73             : {
      74           0 :         struct smu_context *smu = handle;
      75             : 
      76           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
      77             :                 return -EOPNOTSUPP;
      78             : 
      79           0 :         return smu_get_pp_feature_mask(smu, buf);
      80             : }
      81             : 
      82           0 : static int smu_sys_set_pp_feature_mask(void *handle,
      83             :                                        uint64_t new_mask)
      84             : {
      85           0 :         struct smu_context *smu = handle;
      86             : 
      87           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
      88             :                 return -EOPNOTSUPP;
      89             : 
      90           0 :         return smu_set_pp_feature_mask(smu, new_mask);
      91             : }
      92             : 
      93           0 : int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
      94             : {
      95           0 :         if (!smu->ppt_funcs->set_gfx_off_residency)
      96             :                 return -EINVAL;
      97             : 
      98           0 :         return smu_set_gfx_off_residency(smu, value);
      99             : }
     100             : 
     101           0 : int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
     102             : {
     103           0 :         if (!smu->ppt_funcs->get_gfx_off_residency)
     104             :                 return -EINVAL;
     105             : 
     106           0 :         return smu_get_gfx_off_residency(smu, value);
     107             : }
     108             : 
     109           0 : int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
     110             : {
     111           0 :         if (!smu->ppt_funcs->get_gfx_off_entrycount)
     112             :                 return -EINVAL;
     113             : 
     114           0 :         return smu_get_gfx_off_entrycount(smu, value);
     115             : }
     116             : 
     117           0 : int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
     118             : {
     119           0 :         if (!smu->ppt_funcs->get_gfx_off_status)
     120             :                 return -EINVAL;
     121             : 
     122           0 :         *value = smu_get_gfx_off_status(smu);
     123             : 
     124           0 :         return 0;
     125             : }
     126             : 
     127           0 : int smu_set_soft_freq_range(struct smu_context *smu,
     128             :                             enum smu_clk_type clk_type,
     129             :                             uint32_t min,
     130             :                             uint32_t max)
     131             : {
     132           0 :         int ret = 0;
     133             : 
     134           0 :         if (smu->ppt_funcs->set_soft_freq_limited_range)
     135           0 :                 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
     136             :                                                                   clk_type,
     137             :                                                                   min,
     138             :                                                                   max);
     139             : 
     140           0 :         return ret;
     141             : }
     142             : 
     143           0 : int smu_get_dpm_freq_range(struct smu_context *smu,
     144             :                            enum smu_clk_type clk_type,
     145             :                            uint32_t *min,
     146             :                            uint32_t *max)
     147             : {
     148           0 :         int ret = -ENOTSUPP;
     149             : 
     150           0 :         if (!min && !max)
     151             :                 return -EINVAL;
     152             : 
     153           0 :         if (smu->ppt_funcs->get_dpm_ultimate_freq)
     154           0 :                 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
     155             :                                                             clk_type,
     156             :                                                             min,
     157             :                                                             max);
     158             : 
     159             :         return ret;
     160             : }
     161             : 
     162           0 : int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
     163             : {
     164           0 :         if (!smu->ppt_funcs && !smu->ppt_funcs->set_gfx_power_up_by_imu)
     165             :                 return -EOPNOTSUPP;
     166             : 
     167           0 :         return smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
     168             : }
     169             : 
     170           0 : static u32 smu_get_mclk(void *handle, bool low)
     171             : {
     172           0 :         struct smu_context *smu = handle;
     173             :         uint32_t clk_freq;
     174           0 :         int ret = 0;
     175             : 
     176           0 :         ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
     177             :                                      low ? &clk_freq : NULL,
     178             :                                      !low ? &clk_freq : NULL);
     179           0 :         if (ret)
     180             :                 return 0;
     181           0 :         return clk_freq * 100;
     182             : }
     183             : 
     184           0 : static u32 smu_get_sclk(void *handle, bool low)
     185             : {
     186           0 :         struct smu_context *smu = handle;
     187             :         uint32_t clk_freq;
     188           0 :         int ret = 0;
     189             : 
     190           0 :         ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
     191             :                                      low ? &clk_freq : NULL,
     192             :                                      !low ? &clk_freq : NULL);
     193           0 :         if (ret)
     194             :                 return 0;
     195           0 :         return clk_freq * 100;
     196             : }
     197             : 
     198             : static int smu_dpm_set_vcn_enable(struct smu_context *smu,
     199             :                                   bool enable)
     200             : {
     201           0 :         struct smu_power_context *smu_power = &smu->smu_power;
     202           0 :         struct smu_power_gate *power_gate = &smu_power->power_gate;
     203           0 :         int ret = 0;
     204             : 
     205           0 :         if (!smu->ppt_funcs->dpm_set_vcn_enable)
     206             :                 return 0;
     207             : 
     208           0 :         if (atomic_read(&power_gate->vcn_gated) ^ enable)
     209             :                 return 0;
     210             : 
     211           0 :         ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
     212           0 :         if (!ret)
     213           0 :                 atomic_set(&power_gate->vcn_gated, !enable);
     214             : 
     215             :         return ret;
     216             : }
     217             : 
     218             : static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
     219             :                                    bool enable)
     220             : {
     221           0 :         struct smu_power_context *smu_power = &smu->smu_power;
     222           0 :         struct smu_power_gate *power_gate = &smu_power->power_gate;
     223           0 :         int ret = 0;
     224             : 
     225           0 :         if (!smu->ppt_funcs->dpm_set_jpeg_enable)
     226             :                 return 0;
     227             : 
     228           0 :         if (atomic_read(&power_gate->jpeg_gated) ^ enable)
     229             :                 return 0;
     230             : 
     231           0 :         ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
     232           0 :         if (!ret)
     233           0 :                 atomic_set(&power_gate->jpeg_gated, !enable);
     234             : 
     235             :         return ret;
     236             : }
     237             : 
     238             : /**
     239             :  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
     240             :  *
     241             :  * @handle:        smu_context pointer
     242             :  * @block_type: the IP block to power gate/ungate
     243             :  * @gate:       to power gate if true, ungate otherwise
     244             :  *
     245             :  * This API uses no smu->mutex lock protection due to:
     246             :  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
     247             :  *    This is guarded to be race condition free by the caller.
     248             :  * 2. Or get called on user setting request of power_dpm_force_performance_level.
     249             :  *    Under this case, the smu->mutex lock protection is already enforced on
     250             :  *    the parent API smu_force_performance_level of the call path.
     251             :  */
     252           0 : static int smu_dpm_set_power_gate(void *handle,
     253             :                                   uint32_t block_type,
     254             :                                   bool gate)
     255             : {
     256           0 :         struct smu_context *smu = handle;
     257           0 :         int ret = 0;
     258             : 
     259           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
     260           0 :                 dev_WARN(smu->adev->dev,
     261             :                          "SMU uninitialized but power %s requested for %u!\n",
     262             :                          gate ? "gate" : "ungate", block_type);
     263           0 :                 return -EOPNOTSUPP;
     264             :         }
     265             : 
     266           0 :         switch (block_type) {
     267             :         /*
     268             :          * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
     269             :          * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
     270             :          */
     271             :         case AMD_IP_BLOCK_TYPE_UVD:
     272             :         case AMD_IP_BLOCK_TYPE_VCN:
     273           0 :                 ret = smu_dpm_set_vcn_enable(smu, !gate);
     274           0 :                 if (ret)
     275           0 :                         dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
     276             :                                 gate ? "gate" : "ungate");
     277             :                 break;
     278             :         case AMD_IP_BLOCK_TYPE_GFX:
     279           0 :                 ret = smu_gfx_off_control(smu, gate);
     280           0 :                 if (ret)
     281           0 :                         dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
     282             :                                 gate ? "enable" : "disable");
     283             :                 break;
     284             :         case AMD_IP_BLOCK_TYPE_SDMA:
     285           0 :                 ret = smu_powergate_sdma(smu, gate);
     286           0 :                 if (ret)
     287           0 :                         dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
     288             :                                 gate ? "gate" : "ungate");
     289             :                 break;
     290             :         case AMD_IP_BLOCK_TYPE_JPEG:
     291           0 :                 ret = smu_dpm_set_jpeg_enable(smu, !gate);
     292           0 :                 if (ret)
     293           0 :                         dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
     294             :                                 gate ? "gate" : "ungate");
     295             :                 break;
     296             :         default:
     297           0 :                 dev_err(smu->adev->dev, "Unsupported block type!\n");
     298           0 :                 return -EINVAL;
     299             :         }
     300             : 
     301             :         return ret;
     302             : }
     303             : 
     304             : /**
     305             :  * smu_set_user_clk_dependencies - set user profile clock dependencies
     306             :  *
     307             :  * @smu:        smu_context pointer
     308             :  * @clk:        enum smu_clk_type type
     309             :  *
     310             :  * Enable/Disable the clock dependency for the @clk type.
     311             :  */
     312             : static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
     313             : {
     314           0 :         if (smu->adev->in_suspend)
     315             :                 return;
     316             : 
     317           0 :         if (clk == SMU_MCLK) {
     318             :                 smu->user_dpm_profile.clk_dependency = 0;
     319           0 :                 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
     320           0 :         } else if (clk == SMU_FCLK) {
     321             :                 /* MCLK takes precedence over FCLK */
     322           0 :                 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
     323             :                         return;
     324             : 
     325             :                 smu->user_dpm_profile.clk_dependency = 0;
     326           0 :                 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
     327           0 :         } else if (clk == SMU_SOCCLK) {
     328             :                 /* MCLK takes precedence over SOCCLK */
     329           0 :                 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
     330             :                         return;
     331             : 
     332             :                 smu->user_dpm_profile.clk_dependency = 0;
     333           0 :                 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
     334             :         } else
     335             :                 /* Add clk dependencies here, if any */
     336             :                 return;
     337             : }
     338             : 
     339             : /**
     340             :  * smu_restore_dpm_user_profile - reinstate user dpm profile
     341             :  *
     342             :  * @smu:        smu_context pointer
     343             :  *
     344             :  * Restore the saved user power configurations include power limit,
     345             :  * clock frequencies, fan control mode and fan speed.
     346             :  */
     347           0 : static void smu_restore_dpm_user_profile(struct smu_context *smu)
     348             : {
     349           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
     350           0 :         int ret = 0;
     351             : 
     352           0 :         if (!smu->adev->in_suspend)
     353             :                 return;
     354             : 
     355           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
     356             :                 return;
     357             : 
     358             :         /* Enable restore flag */
     359           0 :         smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
     360             : 
     361             :         /* set the user dpm power limit */
     362           0 :         if (smu->user_dpm_profile.power_limit) {
     363           0 :                 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
     364           0 :                 if (ret)
     365           0 :                         dev_err(smu->adev->dev, "Failed to set power limit value\n");
     366             :         }
     367             : 
     368             :         /* set the user dpm clock configurations */
     369           0 :         if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
     370             :                 enum smu_clk_type clk_type;
     371             : 
     372           0 :                 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
     373             :                         /*
     374             :                          * Iterate over smu clk type and force the saved user clk
     375             :                          * configs, skip if clock dependency is enabled
     376             :                          */
     377           0 :                         if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
     378           0 :                                         smu->user_dpm_profile.clk_mask[clk_type]) {
     379           0 :                                 ret = smu_force_smuclk_levels(smu, clk_type,
     380             :                                                 smu->user_dpm_profile.clk_mask[clk_type]);
     381           0 :                                 if (ret)
     382           0 :                                         dev_err(smu->adev->dev,
     383             :                                                 "Failed to set clock type = %d\n", clk_type);
     384             :                         }
     385             :                 }
     386             :         }
     387             : 
     388             :         /* set the user dpm fan configurations */
     389           0 :         if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
     390             :             smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
     391           0 :                 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
     392           0 :                 if (ret != -EOPNOTSUPP) {
     393           0 :                         smu->user_dpm_profile.fan_speed_pwm = 0;
     394           0 :                         smu->user_dpm_profile.fan_speed_rpm = 0;
     395           0 :                         smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
     396           0 :                         dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
     397             :                 }
     398             : 
     399           0 :                 if (smu->user_dpm_profile.fan_speed_pwm) {
     400           0 :                         ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
     401           0 :                         if (ret != -EOPNOTSUPP)
     402           0 :                                 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
     403             :                 }
     404             : 
     405           0 :                 if (smu->user_dpm_profile.fan_speed_rpm) {
     406           0 :                         ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
     407           0 :                         if (ret != -EOPNOTSUPP)
     408           0 :                                 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
     409             :                 }
     410             :         }
     411             : 
     412             :         /* Restore user customized OD settings */
     413           0 :         if (smu->user_dpm_profile.user_od) {
     414           0 :                 if (smu->ppt_funcs->restore_user_od_settings) {
     415           0 :                         ret = smu->ppt_funcs->restore_user_od_settings(smu);
     416           0 :                         if (ret)
     417           0 :                                 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
     418             :                 }
     419             :         }
     420             : 
     421             :         /* Disable restore flag */
     422           0 :         smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
     423             : }
     424             : 
     425           0 : static int smu_get_power_num_states(void *handle,
     426             :                                     struct pp_states_info *state_info)
     427             : {
     428           0 :         if (!state_info)
     429             :                 return -EINVAL;
     430             : 
     431             :         /* not support power state */
     432           0 :         memset(state_info, 0, sizeof(struct pp_states_info));
     433           0 :         state_info->nums = 1;
     434           0 :         state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
     435             : 
     436           0 :         return 0;
     437             : }
     438             : 
     439           0 : bool is_support_sw_smu(struct amdgpu_device *adev)
     440             : {
     441             :         /* vega20 is 11.0.2, but it's supported via the powerplay code */
     442           0 :         if (adev->asic_type == CHIP_VEGA20)
     443             :                 return false;
     444             : 
     445           0 :         if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0))
     446             :                 return true;
     447             : 
     448           0 :         return false;
     449             : }
     450             : 
     451           0 : bool is_support_cclk_dpm(struct amdgpu_device *adev)
     452             : {
     453           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
     454             : 
     455           0 :         if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
     456             :                 return false;
     457             : 
     458             :         return true;
     459             : }
     460             : 
     461             : 
     462           0 : static int smu_sys_get_pp_table(void *handle,
     463             :                                 char **table)
     464             : {
     465           0 :         struct smu_context *smu = handle;
     466           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     467             : 
     468           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
     469             :                 return -EOPNOTSUPP;
     470             : 
     471           0 :         if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
     472             :                 return -EINVAL;
     473             : 
     474           0 :         if (smu_table->hardcode_pptable)
     475           0 :                 *table = smu_table->hardcode_pptable;
     476             :         else
     477           0 :                 *table = smu_table->power_play_table;
     478             : 
     479           0 :         return smu_table->power_play_table_size;
     480             : }
     481             : 
     482           0 : static int smu_sys_set_pp_table(void *handle,
     483             :                                 const char *buf,
     484             :                                 size_t size)
     485             : {
     486           0 :         struct smu_context *smu = handle;
     487           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     488           0 :         ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
     489           0 :         int ret = 0;
     490             : 
     491           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
     492             :                 return -EOPNOTSUPP;
     493             : 
     494           0 :         if (header->usStructureSize != size) {
     495           0 :                 dev_err(smu->adev->dev, "pp table size not matched !\n");
     496           0 :                 return -EIO;
     497             :         }
     498             : 
     499           0 :         if (!smu_table->hardcode_pptable) {
     500           0 :                 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
     501           0 :                 if (!smu_table->hardcode_pptable)
     502             :                         return -ENOMEM;
     503             :         }
     504             : 
     505           0 :         memcpy(smu_table->hardcode_pptable, buf, size);
     506           0 :         smu_table->power_play_table = smu_table->hardcode_pptable;
     507           0 :         smu_table->power_play_table_size = size;
     508             : 
     509             :         /*
     510             :          * Special hw_fini action(for Navi1x, the DPMs disablement will be
     511             :          * skipped) may be needed for custom pptable uploading.
     512             :          */
     513           0 :         smu->uploading_custom_pp_table = true;
     514             : 
     515           0 :         ret = smu_reset(smu);
     516           0 :         if (ret)
     517           0 :                 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
     518             : 
     519           0 :         smu->uploading_custom_pp_table = false;
     520             : 
     521           0 :         return ret;
     522             : }
     523             : 
     524           0 : static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
     525             : {
     526           0 :         struct smu_feature *feature = &smu->smu_feature;
     527             :         uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
     528           0 :         int ret = 0;
     529             : 
     530             :         /*
     531             :          * With SCPM enabled, the allowed featuremasks setting(via
     532             :          * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
     533             :          * That means there is no way to let PMFW knows the settings below.
     534             :          * Thus, we just assume all the features are allowed under
     535             :          * such scenario.
     536             :          */
     537           0 :         if (smu->adev->scpm_enabled) {
     538           0 :                 bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
     539           0 :                 return 0;
     540             :         }
     541             : 
     542           0 :         bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
     543             : 
     544           0 :         ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
     545             :                                              SMU_FEATURE_MAX/32);
     546           0 :         if (ret)
     547             :                 return ret;
     548             : 
     549           0 :         bitmap_or(feature->allowed, feature->allowed,
     550             :                       (unsigned long *)allowed_feature_mask,
     551             :                       feature->feature_num);
     552             : 
     553           0 :         return ret;
     554             : }
     555             : 
     556           0 : static int smu_set_funcs(struct amdgpu_device *adev)
     557             : {
     558           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
     559             : 
     560           0 :         if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
     561           0 :                 smu->od_enabled = true;
     562             : 
     563           0 :         switch (adev->ip_versions[MP1_HWIP][0]) {
     564             :         case IP_VERSION(11, 0, 0):
     565             :         case IP_VERSION(11, 0, 5):
     566             :         case IP_VERSION(11, 0, 9):
     567           0 :                 navi10_set_ppt_funcs(smu);
     568           0 :                 break;
     569             :         case IP_VERSION(11, 0, 7):
     570             :         case IP_VERSION(11, 0, 11):
     571             :         case IP_VERSION(11, 0, 12):
     572             :         case IP_VERSION(11, 0, 13):
     573           0 :                 sienna_cichlid_set_ppt_funcs(smu);
     574           0 :                 break;
     575             :         case IP_VERSION(12, 0, 0):
     576             :         case IP_VERSION(12, 0, 1):
     577           0 :                 renoir_set_ppt_funcs(smu);
     578           0 :                 break;
     579             :         case IP_VERSION(11, 5, 0):
     580           0 :                 vangogh_set_ppt_funcs(smu);
     581           0 :                 break;
     582             :         case IP_VERSION(13, 0, 1):
     583             :         case IP_VERSION(13, 0, 3):
     584             :         case IP_VERSION(13, 0, 8):
     585           0 :                 yellow_carp_set_ppt_funcs(smu);
     586           0 :                 break;
     587             :         case IP_VERSION(13, 0, 4):
     588           0 :                 smu_v13_0_4_set_ppt_funcs(smu);
     589           0 :                 break;
     590             :         case IP_VERSION(13, 0, 5):
     591           0 :                 smu_v13_0_5_set_ppt_funcs(smu);
     592           0 :                 break;
     593             :         case IP_VERSION(11, 0, 8):
     594           0 :                 cyan_skillfish_set_ppt_funcs(smu);
     595           0 :                 break;
     596             :         case IP_VERSION(11, 0, 2):
     597           0 :                 adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
     598           0 :                 arcturus_set_ppt_funcs(smu);
     599             :                 /* OD is not supported on Arcturus */
     600           0 :                 smu->od_enabled =false;
     601           0 :                 break;
     602             :         case IP_VERSION(13, 0, 2):
     603           0 :                 aldebaran_set_ppt_funcs(smu);
     604             :                 /* Enable pp_od_clk_voltage node */
     605           0 :                 smu->od_enabled = true;
     606           0 :                 break;
     607             :         case IP_VERSION(13, 0, 0):
     608             :         case IP_VERSION(13, 0, 10):
     609           0 :                 smu_v13_0_0_set_ppt_funcs(smu);
     610           0 :                 break;
     611             :         case IP_VERSION(13, 0, 7):
     612           0 :                 smu_v13_0_7_set_ppt_funcs(smu);
     613           0 :                 break;
     614             :         default:
     615             :                 return -EINVAL;
     616             :         }
     617             : 
     618             :         return 0;
     619             : }
     620             : 
     621           0 : static int smu_early_init(void *handle)
     622             : {
     623           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
     624             :         struct smu_context *smu;
     625             : 
     626           0 :         smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
     627           0 :         if (!smu)
     628             :                 return -ENOMEM;
     629             : 
     630           0 :         smu->adev = adev;
     631           0 :         smu->pm_enabled = !!amdgpu_dpm;
     632           0 :         smu->is_apu = false;
     633           0 :         smu->smu_baco.state = SMU_BACO_STATE_EXIT;
     634           0 :         smu->smu_baco.platform_support = false;
     635           0 :         smu->user_dpm_profile.fan_mode = -1;
     636             : 
     637           0 :         mutex_init(&smu->message_lock);
     638             : 
     639           0 :         adev->powerplay.pp_handle = smu;
     640           0 :         adev->powerplay.pp_funcs = &swsmu_pm_funcs;
     641             : 
     642           0 :         return smu_set_funcs(adev);
     643             : }
     644             : 
     645           0 : static int smu_set_default_dpm_table(struct smu_context *smu)
     646             : {
     647           0 :         struct smu_power_context *smu_power = &smu->smu_power;
     648           0 :         struct smu_power_gate *power_gate = &smu_power->power_gate;
     649             :         int vcn_gate, jpeg_gate;
     650           0 :         int ret = 0;
     651             : 
     652           0 :         if (!smu->ppt_funcs->set_default_dpm_table)
     653             :                 return 0;
     654             : 
     655           0 :         vcn_gate = atomic_read(&power_gate->vcn_gated);
     656           0 :         jpeg_gate = atomic_read(&power_gate->jpeg_gated);
     657             : 
     658           0 :         ret = smu_dpm_set_vcn_enable(smu, true);
     659           0 :         if (ret)
     660             :                 return ret;
     661             : 
     662           0 :         ret = smu_dpm_set_jpeg_enable(smu, true);
     663           0 :         if (ret)
     664             :                 goto err_out;
     665             : 
     666           0 :         ret = smu->ppt_funcs->set_default_dpm_table(smu);
     667           0 :         if (ret)
     668           0 :                 dev_err(smu->adev->dev,
     669             :                         "Failed to setup default dpm clock tables!\n");
     670             : 
     671           0 :         smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
     672             : err_out:
     673           0 :         smu_dpm_set_vcn_enable(smu, !vcn_gate);
     674             :         return ret;
     675             : }
     676             : 
     677           0 : static int smu_apply_default_config_table_settings(struct smu_context *smu)
     678             : {
     679           0 :         struct amdgpu_device *adev = smu->adev;
     680           0 :         int ret = 0;
     681             : 
     682           0 :         ret = smu_get_default_config_table_settings(smu,
     683             :                                                     &adev->pm.config_table);
     684           0 :         if (ret)
     685             :                 return ret;
     686             : 
     687           0 :         return smu_set_config_table(smu, &adev->pm.config_table);
     688             : }
     689             : 
     690           0 : static int smu_late_init(void *handle)
     691             : {
     692           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
     693           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
     694           0 :         int ret = 0;
     695             : 
     696           0 :         smu_set_fine_grain_gfx_freq_parameters(smu);
     697             : 
     698           0 :         if (!smu->pm_enabled)
     699             :                 return 0;
     700             : 
     701           0 :         ret = smu_post_init(smu);
     702           0 :         if (ret) {
     703           0 :                 dev_err(adev->dev, "Failed to post smu init!\n");
     704           0 :                 return ret;
     705             :         }
     706             : 
     707           0 :         if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
     708             :             (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))
     709             :                 return 0;
     710             : 
     711           0 :         if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
     712           0 :                 ret = smu_set_default_od_settings(smu);
     713           0 :                 if (ret) {
     714           0 :                         dev_err(adev->dev, "Failed to setup default OD settings!\n");
     715           0 :                         return ret;
     716             :                 }
     717             :         }
     718             : 
     719           0 :         ret = smu_populate_umd_state_clk(smu);
     720           0 :         if (ret) {
     721           0 :                 dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
     722           0 :                 return ret;
     723             :         }
     724             : 
     725           0 :         ret = smu_get_asic_power_limits(smu,
     726             :                                         &smu->current_power_limit,
     727             :                                         &smu->default_power_limit,
     728             :                                         &smu->max_power_limit);
     729           0 :         if (ret) {
     730           0 :                 dev_err(adev->dev, "Failed to get asic power limits!\n");
     731           0 :                 return ret;
     732             :         }
     733             : 
     734           0 :         if (!amdgpu_sriov_vf(adev))
     735           0 :                 smu_get_unique_id(smu);
     736             : 
     737           0 :         smu_get_fan_parameters(smu);
     738             : 
     739           0 :         smu_handle_task(smu,
     740             :                         smu->smu_dpm.dpm_level,
     741             :                         AMD_PP_TASK_COMPLETE_INIT);
     742             : 
     743           0 :         ret = smu_apply_default_config_table_settings(smu);
     744           0 :         if (ret && (ret != -EOPNOTSUPP)) {
     745           0 :                 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
     746           0 :                 return ret;
     747             :         }
     748             : 
     749           0 :         smu_restore_dpm_user_profile(smu);
     750             : 
     751           0 :         return 0;
     752             : }
     753             : 
     754           0 : static int smu_init_fb_allocations(struct smu_context *smu)
     755             : {
     756           0 :         struct amdgpu_device *adev = smu->adev;
     757           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     758           0 :         struct smu_table *tables = smu_table->tables;
     759           0 :         struct smu_table *driver_table = &(smu_table->driver_table);
     760           0 :         uint32_t max_table_size = 0;
     761             :         int ret, i;
     762             : 
     763             :         /* VRAM allocation for tool table */
     764           0 :         if (tables[SMU_TABLE_PMSTATUSLOG].size) {
     765           0 :                 ret = amdgpu_bo_create_kernel(adev,
     766             :                                               tables[SMU_TABLE_PMSTATUSLOG].size,
     767           0 :                                               tables[SMU_TABLE_PMSTATUSLOG].align,
     768           0 :                                               tables[SMU_TABLE_PMSTATUSLOG].domain,
     769             :                                               &tables[SMU_TABLE_PMSTATUSLOG].bo,
     770           0 :                                               &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
     771             :                                               &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
     772           0 :                 if (ret) {
     773           0 :                         dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
     774           0 :                         return ret;
     775             :                 }
     776             :         }
     777             : 
     778             :         /* VRAM allocation for driver table */
     779           0 :         for (i = 0; i < SMU_TABLE_COUNT; i++) {
     780           0 :                 if (tables[i].size == 0)
     781           0 :                         continue;
     782             : 
     783           0 :                 if (i == SMU_TABLE_PMSTATUSLOG)
     784           0 :                         continue;
     785             : 
     786           0 :                 if (max_table_size < tables[i].size)
     787           0 :                         max_table_size = tables[i].size;
     788             :         }
     789             : 
     790           0 :         driver_table->size = max_table_size;
     791           0 :         driver_table->align = PAGE_SIZE;
     792           0 :         driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
     793             : 
     794           0 :         ret = amdgpu_bo_create_kernel(adev,
     795             :                                       driver_table->size,
     796             :                                       driver_table->align,
     797             :                                       driver_table->domain,
     798             :                                       &driver_table->bo,
     799           0 :                                       &driver_table->mc_address,
     800             :                                       &driver_table->cpu_addr);
     801           0 :         if (ret) {
     802           0 :                 dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
     803           0 :                 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
     804           0 :                         amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
     805           0 :                                               &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
     806             :                                               &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
     807             :         }
     808             : 
     809             :         return ret;
     810             : }
     811             : 
     812           0 : static int smu_fini_fb_allocations(struct smu_context *smu)
     813             : {
     814           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     815           0 :         struct smu_table *tables = smu_table->tables;
     816           0 :         struct smu_table *driver_table = &(smu_table->driver_table);
     817             : 
     818           0 :         if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
     819           0 :                 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
     820           0 :                                       &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
     821             :                                       &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
     822             : 
     823           0 :         amdgpu_bo_free_kernel(&driver_table->bo,
     824           0 :                               &driver_table->mc_address,
     825             :                               &driver_table->cpu_addr);
     826             : 
     827           0 :         return 0;
     828             : }
     829             : 
     830             : /**
     831             :  * smu_alloc_memory_pool - allocate memory pool in the system memory
     832             :  *
     833             :  * @smu: amdgpu_device pointer
     834             :  *
     835             :  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
     836             :  * and DramLogSetDramAddr can notify it changed.
     837             :  *
     838             :  * Returns 0 on success, error on failure.
     839             :  */
     840           0 : static int smu_alloc_memory_pool(struct smu_context *smu)
     841             : {
     842           0 :         struct amdgpu_device *adev = smu->adev;
     843           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     844           0 :         struct smu_table *memory_pool = &smu_table->memory_pool;
     845           0 :         uint64_t pool_size = smu->pool_size;
     846           0 :         int ret = 0;
     847             : 
     848           0 :         if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
     849             :                 return ret;
     850             : 
     851           0 :         memory_pool->size = pool_size;
     852           0 :         memory_pool->align = PAGE_SIZE;
     853           0 :         memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
     854             : 
     855           0 :         switch (pool_size) {
     856             :         case SMU_MEMORY_POOL_SIZE_256_MB:
     857             :         case SMU_MEMORY_POOL_SIZE_512_MB:
     858             :         case SMU_MEMORY_POOL_SIZE_1_GB:
     859             :         case SMU_MEMORY_POOL_SIZE_2_GB:
     860           0 :                 ret = amdgpu_bo_create_kernel(adev,
     861             :                                               memory_pool->size,
     862             :                                               memory_pool->align,
     863             :                                               memory_pool->domain,
     864             :                                               &memory_pool->bo,
     865           0 :                                               &memory_pool->mc_address,
     866             :                                               &memory_pool->cpu_addr);
     867           0 :                 if (ret)
     868           0 :                         dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
     869             :                 break;
     870             :         default:
     871             :                 break;
     872             :         }
     873             : 
     874             :         return ret;
     875             : }
     876             : 
     877           0 : static int smu_free_memory_pool(struct smu_context *smu)
     878             : {
     879           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     880           0 :         struct smu_table *memory_pool = &smu_table->memory_pool;
     881             : 
     882           0 :         if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
     883             :                 return 0;
     884             : 
     885           0 :         amdgpu_bo_free_kernel(&memory_pool->bo,
     886           0 :                               &memory_pool->mc_address,
     887             :                               &memory_pool->cpu_addr);
     888             : 
     889           0 :         memset(memory_pool, 0, sizeof(struct smu_table));
     890             : 
     891           0 :         return 0;
     892             : }
     893             : 
     894           0 : static int smu_alloc_dummy_read_table(struct smu_context *smu)
     895             : {
     896           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     897           0 :         struct smu_table *dummy_read_1_table =
     898             :                         &smu_table->dummy_read_1_table;
     899           0 :         struct amdgpu_device *adev = smu->adev;
     900           0 :         int ret = 0;
     901             : 
     902           0 :         dummy_read_1_table->size = 0x40000;
     903           0 :         dummy_read_1_table->align = PAGE_SIZE;
     904           0 :         dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
     905             : 
     906           0 :         ret = amdgpu_bo_create_kernel(adev,
     907             :                                       dummy_read_1_table->size,
     908             :                                       dummy_read_1_table->align,
     909             :                                       dummy_read_1_table->domain,
     910             :                                       &dummy_read_1_table->bo,
     911           0 :                                       &dummy_read_1_table->mc_address,
     912             :                                       &dummy_read_1_table->cpu_addr);
     913           0 :         if (ret)
     914           0 :                 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
     915             : 
     916           0 :         return ret;
     917             : }
     918             : 
     919           0 : static void smu_free_dummy_read_table(struct smu_context *smu)
     920             : {
     921           0 :         struct smu_table_context *smu_table = &smu->smu_table;
     922           0 :         struct smu_table *dummy_read_1_table =
     923             :                         &smu_table->dummy_read_1_table;
     924             : 
     925             : 
     926           0 :         amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
     927           0 :                               &dummy_read_1_table->mc_address,
     928             :                               &dummy_read_1_table->cpu_addr);
     929             : 
     930           0 :         memset(dummy_read_1_table, 0, sizeof(struct smu_table));
     931           0 : }
     932             : 
     933           0 : static int smu_smc_table_sw_init(struct smu_context *smu)
     934             : {
     935             :         int ret;
     936             : 
     937             :         /**
     938             :          * Create smu_table structure, and init smc tables such as
     939             :          * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
     940             :          */
     941           0 :         ret = smu_init_smc_tables(smu);
     942           0 :         if (ret) {
     943           0 :                 dev_err(smu->adev->dev, "Failed to init smc tables!\n");
     944           0 :                 return ret;
     945             :         }
     946             : 
     947             :         /**
     948             :          * Create smu_power_context structure, and allocate smu_dpm_context and
     949             :          * context size to fill the smu_power_context data.
     950             :          */
     951           0 :         ret = smu_init_power(smu);
     952           0 :         if (ret) {
     953           0 :                 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
     954           0 :                 return ret;
     955             :         }
     956             : 
     957             :         /*
     958             :          * allocate vram bos to store smc table contents.
     959             :          */
     960           0 :         ret = smu_init_fb_allocations(smu);
     961           0 :         if (ret)
     962             :                 return ret;
     963             : 
     964           0 :         ret = smu_alloc_memory_pool(smu);
     965           0 :         if (ret)
     966             :                 return ret;
     967             : 
     968           0 :         ret = smu_alloc_dummy_read_table(smu);
     969           0 :         if (ret)
     970             :                 return ret;
     971             : 
     972           0 :         ret = smu_i2c_init(smu);
     973           0 :         if (ret)
     974             :                 return ret;
     975             : 
     976           0 :         return 0;
     977             : }
     978             : 
     979           0 : static int smu_smc_table_sw_fini(struct smu_context *smu)
     980             : {
     981             :         int ret;
     982             : 
     983           0 :         smu_i2c_fini(smu);
     984             : 
     985           0 :         smu_free_dummy_read_table(smu);
     986             : 
     987           0 :         ret = smu_free_memory_pool(smu);
     988           0 :         if (ret)
     989             :                 return ret;
     990             : 
     991           0 :         ret = smu_fini_fb_allocations(smu);
     992           0 :         if (ret)
     993             :                 return ret;
     994             : 
     995           0 :         ret = smu_fini_power(smu);
     996           0 :         if (ret) {
     997           0 :                 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
     998           0 :                 return ret;
     999             :         }
    1000             : 
    1001           0 :         ret = smu_fini_smc_tables(smu);
    1002           0 :         if (ret) {
    1003           0 :                 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
    1004           0 :                 return ret;
    1005             :         }
    1006             : 
    1007             :         return 0;
    1008             : }
    1009             : 
    1010           0 : static void smu_throttling_logging_work_fn(struct work_struct *work)
    1011             : {
    1012           0 :         struct smu_context *smu = container_of(work, struct smu_context,
    1013             :                                                throttling_logging_work);
    1014             : 
    1015           0 :         smu_log_thermal_throttling(smu);
    1016           0 : }
    1017             : 
    1018           0 : static void smu_interrupt_work_fn(struct work_struct *work)
    1019             : {
    1020           0 :         struct smu_context *smu = container_of(work, struct smu_context,
    1021             :                                                interrupt_work);
    1022             : 
    1023           0 :         if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
    1024           0 :                 smu->ppt_funcs->interrupt_work(smu);
    1025           0 : }
    1026             : 
    1027           0 : static int smu_sw_init(void *handle)
    1028             : {
    1029           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
    1030           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1031             :         int ret;
    1032             : 
    1033           0 :         smu->pool_size = adev->pm.smu_prv_buffer_size;
    1034           0 :         smu->smu_feature.feature_num = SMU_FEATURE_MAX;
    1035           0 :         bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
    1036           0 :         bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
    1037             : 
    1038           0 :         INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
    1039           0 :         INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
    1040           0 :         atomic64_set(&smu->throttle_int_counter, 0);
    1041           0 :         smu->watermarks_bitmap = 0;
    1042           0 :         smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
    1043           0 :         smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
    1044             : 
    1045           0 :         atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
    1046           0 :         atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
    1047             : 
    1048           0 :         smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
    1049           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
    1050           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
    1051           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
    1052           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
    1053           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
    1054           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
    1055           0 :         smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
    1056             : 
    1057           0 :         smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
    1058           0 :         smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
    1059           0 :         smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
    1060           0 :         smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
    1061           0 :         smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
    1062           0 :         smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
    1063           0 :         smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
    1064           0 :         smu->display_config = &adev->pm.pm_display_cfg;
    1065             : 
    1066           0 :         smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
    1067           0 :         smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
    1068             : 
    1069           0 :         ret = smu_init_microcode(smu);
    1070           0 :         if (ret) {
    1071           0 :                 dev_err(adev->dev, "Failed to load smu firmware!\n");
    1072           0 :                 return ret;
    1073             :         }
    1074             : 
    1075           0 :         ret = smu_smc_table_sw_init(smu);
    1076           0 :         if (ret) {
    1077           0 :                 dev_err(adev->dev, "Failed to sw init smc table!\n");
    1078           0 :                 return ret;
    1079             :         }
    1080             : 
    1081             :         /* get boot_values from vbios to set revision, gfxclk, and etc. */
    1082           0 :         ret = smu_get_vbios_bootup_values(smu);
    1083           0 :         if (ret) {
    1084           0 :                 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
    1085           0 :                 return ret;
    1086             :         }
    1087             : 
    1088           0 :         ret = smu_init_pptable_microcode(smu);
    1089           0 :         if (ret) {
    1090           0 :                 dev_err(adev->dev, "Failed to setup pptable firmware!\n");
    1091           0 :                 return ret;
    1092             :         }
    1093             : 
    1094           0 :         ret = smu_register_irq_handler(smu);
    1095           0 :         if (ret) {
    1096           0 :                 dev_err(adev->dev, "Failed to register smc irq handler!\n");
    1097           0 :                 return ret;
    1098             :         }
    1099             : 
    1100             :         /* If there is no way to query fan control mode, fan control is not supported */
    1101           0 :         if (!smu->ppt_funcs->get_fan_control_mode)
    1102           0 :                 smu->adev->pm.no_fan = true;
    1103             : 
    1104             :         return 0;
    1105             : }
    1106             : 
    1107           0 : static int smu_sw_fini(void *handle)
    1108             : {
    1109           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
    1110           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1111             :         int ret;
    1112             : 
    1113           0 :         ret = smu_smc_table_sw_fini(smu);
    1114           0 :         if (ret) {
    1115           0 :                 dev_err(adev->dev, "Failed to sw fini smc table!\n");
    1116           0 :                 return ret;
    1117             :         }
    1118             : 
    1119           0 :         smu_fini_microcode(smu);
    1120             : 
    1121             :         return 0;
    1122             : }
    1123             : 
    1124           0 : static int smu_get_thermal_temperature_range(struct smu_context *smu)
    1125             : {
    1126           0 :         struct amdgpu_device *adev = smu->adev;
    1127           0 :         struct smu_temperature_range *range =
    1128             :                                 &smu->thermal_range;
    1129           0 :         int ret = 0;
    1130             : 
    1131           0 :         if (!smu->ppt_funcs->get_thermal_temperature_range)
    1132             :                 return 0;
    1133             : 
    1134           0 :         ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
    1135           0 :         if (ret)
    1136             :                 return ret;
    1137             : 
    1138           0 :         adev->pm.dpm.thermal.min_temp = range->min;
    1139           0 :         adev->pm.dpm.thermal.max_temp = range->max;
    1140           0 :         adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
    1141           0 :         adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
    1142           0 :         adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
    1143           0 :         adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
    1144           0 :         adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
    1145           0 :         adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
    1146           0 :         adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
    1147             : 
    1148           0 :         return ret;
    1149             : }
    1150             : 
    1151           0 : static int smu_smc_hw_setup(struct smu_context *smu)
    1152             : {
    1153           0 :         struct smu_feature *feature = &smu->smu_feature;
    1154           0 :         struct amdgpu_device *adev = smu->adev;
    1155           0 :         uint32_t pcie_gen = 0, pcie_width = 0;
    1156             :         uint64_t features_supported;
    1157           0 :         int ret = 0;
    1158             : 
    1159           0 :         if (adev->in_suspend && smu_is_dpm_running(smu)) {
    1160           0 :                 dev_info(adev->dev, "dpm has been enabled\n");
    1161             :                 /* this is needed specifically */
    1162           0 :                 switch (adev->ip_versions[MP1_HWIP][0]) {
    1163             :                 case IP_VERSION(11, 0, 7):
    1164             :                 case IP_VERSION(11, 0, 11):
    1165             :                 case IP_VERSION(11, 5, 0):
    1166             :                 case IP_VERSION(11, 0, 12):
    1167           0 :                         ret = smu_system_features_control(smu, true);
    1168           0 :                         if (ret)
    1169           0 :                                 dev_err(adev->dev, "Failed system features control!\n");
    1170             :                         break;
    1171             :                 default:
    1172             :                         break;
    1173             :                 }
    1174             :                 return ret;
    1175             :         }
    1176             : 
    1177           0 :         ret = smu_init_display_count(smu, 0);
    1178           0 :         if (ret) {
    1179           0 :                 dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
    1180           0 :                 return ret;
    1181             :         }
    1182             : 
    1183           0 :         ret = smu_set_driver_table_location(smu);
    1184           0 :         if (ret) {
    1185           0 :                 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
    1186           0 :                 return ret;
    1187             :         }
    1188             : 
    1189             :         /*
    1190             :          * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
    1191             :          */
    1192           0 :         ret = smu_set_tool_table_location(smu);
    1193           0 :         if (ret) {
    1194           0 :                 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
    1195           0 :                 return ret;
    1196             :         }
    1197             : 
    1198             :         /*
    1199             :          * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
    1200             :          * pool location.
    1201             :          */
    1202           0 :         ret = smu_notify_memory_pool_location(smu);
    1203           0 :         if (ret) {
    1204           0 :                 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
    1205           0 :                 return ret;
    1206             :         }
    1207             : 
    1208           0 :         ret = smu_setup_pptable(smu);
    1209           0 :         if (ret) {
    1210           0 :                 dev_err(adev->dev, "Failed to setup pptable!\n");
    1211           0 :                 return ret;
    1212             :         }
    1213             : 
    1214             :         /* smu_dump_pptable(smu); */
    1215             : 
    1216             :         /*
    1217             :          * With SCPM enabled, PSP is responsible for the PPTable transferring
    1218             :          * (to SMU). Driver involvement is not needed and permitted.
    1219             :          */
    1220           0 :         if (!adev->scpm_enabled) {
    1221             :                 /*
    1222             :                  * Copy pptable bo in the vram to smc with SMU MSGs such as
    1223             :                  * SetDriverDramAddr and TransferTableDram2Smu.
    1224             :                  */
    1225           0 :                 ret = smu_write_pptable(smu);
    1226           0 :                 if (ret) {
    1227           0 :                         dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
    1228           0 :                         return ret;
    1229             :                 }
    1230             :         }
    1231             : 
    1232             :         /* issue Run*Btc msg */
    1233           0 :         ret = smu_run_btc(smu);
    1234           0 :         if (ret)
    1235             :                 return ret;
    1236             : 
    1237             :         /*
    1238             :          * With SCPM enabled, these actions(and relevant messages) are
    1239             :          * not needed and permitted.
    1240             :          */
    1241           0 :         if (!adev->scpm_enabled) {
    1242           0 :                 ret = smu_feature_set_allowed_mask(smu);
    1243           0 :                 if (ret) {
    1244           0 :                         dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
    1245           0 :                         return ret;
    1246             :                 }
    1247             :         }
    1248             : 
    1249           0 :         ret = smu_system_features_control(smu, true);
    1250           0 :         if (ret) {
    1251           0 :                 dev_err(adev->dev, "Failed to enable requested dpm features!\n");
    1252           0 :                 return ret;
    1253             :         }
    1254             : 
    1255           0 :         ret = smu_feature_get_enabled_mask(smu, &features_supported);
    1256           0 :         if (ret) {
    1257           0 :                 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
    1258           0 :                 return ret;
    1259             :         }
    1260           0 :         bitmap_copy(feature->supported,
    1261             :                     (unsigned long *)&features_supported,
    1262             :                     feature->feature_num);
    1263             : 
    1264           0 :         if (!smu_is_dpm_running(smu))
    1265           0 :                 dev_info(adev->dev, "dpm has been disabled\n");
    1266             : 
    1267             :         /*
    1268             :          * Set initialized values (get from vbios) to dpm tables context such as
    1269             :          * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
    1270             :          * type of clks.
    1271             :          */
    1272           0 :         ret = smu_set_default_dpm_table(smu);
    1273           0 :         if (ret) {
    1274           0 :                 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
    1275           0 :                 return ret;
    1276             :         }
    1277             : 
    1278           0 :         if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
    1279             :                 pcie_gen = 3;
    1280           0 :         else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
    1281             :                 pcie_gen = 2;
    1282           0 :         else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
    1283             :                 pcie_gen = 1;
    1284             :         else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
    1285             :                 pcie_gen = 0;
    1286             : 
    1287             :         /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
    1288             :          * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
    1289             :          * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
    1290             :          */
    1291           0 :         if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
    1292             :                 pcie_width = 6;
    1293           0 :         else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
    1294             :                 pcie_width = 5;
    1295           0 :         else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
    1296             :                 pcie_width = 4;
    1297           0 :         else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
    1298             :                 pcie_width = 3;
    1299           0 :         else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
    1300             :                 pcie_width = 2;
    1301           0 :         else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
    1302           0 :                 pcie_width = 1;
    1303           0 :         ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
    1304           0 :         if (ret) {
    1305           0 :                 dev_err(adev->dev, "Attempt to override pcie params failed!\n");
    1306           0 :                 return ret;
    1307             :         }
    1308             : 
    1309           0 :         ret = smu_get_thermal_temperature_range(smu);
    1310           0 :         if (ret) {
    1311           0 :                 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
    1312           0 :                 return ret;
    1313             :         }
    1314             : 
    1315           0 :         ret = smu_enable_thermal_alert(smu);
    1316           0 :         if (ret) {
    1317           0 :                 dev_err(adev->dev, "Failed to enable thermal alert!\n");
    1318           0 :                 return ret;
    1319             :         }
    1320             : 
    1321           0 :         ret = smu_notify_display_change(smu);
    1322           0 :         if (ret) {
    1323           0 :                 dev_err(adev->dev, "Failed to notify display change!\n");
    1324           0 :                 return ret;
    1325             :         }
    1326             : 
    1327             :         /*
    1328             :          * Set min deep sleep dce fclk with bootup value from vbios via
    1329             :          * SetMinDeepSleepDcefclk MSG.
    1330             :          */
    1331           0 :         ret = smu_set_min_dcef_deep_sleep(smu,
    1332             :                                           smu->smu_table.boot_values.dcefclk / 100);
    1333             : 
    1334             :         return ret;
    1335             : }
    1336             : 
    1337           0 : static int smu_start_smc_engine(struct smu_context *smu)
    1338             : {
    1339           0 :         struct amdgpu_device *adev = smu->adev;
    1340           0 :         int ret = 0;
    1341             : 
    1342           0 :         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
    1343           0 :                 if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) {
    1344           0 :                         if (smu->ppt_funcs->load_microcode) {
    1345           0 :                                 ret = smu->ppt_funcs->load_microcode(smu);
    1346           0 :                                 if (ret)
    1347             :                                         return ret;
    1348             :                         }
    1349             :                 }
    1350             :         }
    1351             : 
    1352           0 :         if (smu->ppt_funcs->check_fw_status) {
    1353           0 :                 ret = smu->ppt_funcs->check_fw_status(smu);
    1354           0 :                 if (ret) {
    1355           0 :                         dev_err(adev->dev, "SMC is not ready\n");
    1356           0 :                         return ret;
    1357             :                 }
    1358             :         }
    1359             : 
    1360             :         /*
    1361             :          * Send msg GetDriverIfVersion to check if the return value is equal
    1362             :          * with DRIVER_IF_VERSION of smc header.
    1363             :          */
    1364           0 :         ret = smu_check_fw_version(smu);
    1365             :         if (ret)
    1366             :                 return ret;
    1367             : 
    1368             :         return ret;
    1369             : }
    1370             : 
    1371           0 : static int smu_hw_init(void *handle)
    1372             : {
    1373             :         int ret;
    1374           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
    1375           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1376             : 
    1377           0 :         if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
    1378           0 :                 smu->pm_enabled = false;
    1379           0 :                 return 0;
    1380             :         }
    1381             : 
    1382           0 :         ret = smu_start_smc_engine(smu);
    1383           0 :         if (ret) {
    1384           0 :                 dev_err(adev->dev, "SMC engine is not correctly up!\n");
    1385           0 :                 return ret;
    1386             :         }
    1387             : 
    1388           0 :         if (smu->is_apu) {
    1389           0 :                 if ((smu->ppt_funcs->set_gfx_power_up_by_imu) &&
    1390           0 :                                 likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
    1391           0 :                         ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
    1392           0 :                         if (ret) {
    1393           0 :                                 dev_err(adev->dev, "Failed to Enable gfx imu!\n");
    1394           0 :                                 return ret;
    1395             :                         }
    1396             :                 }
    1397             : 
    1398           0 :                 smu_dpm_set_vcn_enable(smu, true);
    1399           0 :                 smu_dpm_set_jpeg_enable(smu, true);
    1400             :                 smu_set_gfx_cgpg(smu, true);
    1401             :         }
    1402             : 
    1403           0 :         if (!smu->pm_enabled)
    1404             :                 return 0;
    1405             : 
    1406           0 :         ret = smu_get_driver_allowed_feature_mask(smu);
    1407           0 :         if (ret)
    1408             :                 return ret;
    1409             : 
    1410           0 :         ret = smu_smc_hw_setup(smu);
    1411           0 :         if (ret) {
    1412           0 :                 dev_err(adev->dev, "Failed to setup smc hw!\n");
    1413           0 :                 return ret;
    1414             :         }
    1415             : 
    1416             :         /*
    1417             :          * Move maximum sustainable clock retrieving here considering
    1418             :          * 1. It is not needed on resume(from S3).
    1419             :          * 2. DAL settings come between .hw_init and .late_init of SMU.
    1420             :          *    And DAL needs to know the maximum sustainable clocks. Thus
    1421             :          *    it cannot be put in .late_init().
    1422             :          */
    1423           0 :         ret = smu_init_max_sustainable_clocks(smu);
    1424           0 :         if (ret) {
    1425           0 :                 dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
    1426           0 :                 return ret;
    1427             :         }
    1428             : 
    1429           0 :         adev->pm.dpm_enabled = true;
    1430             : 
    1431           0 :         dev_info(adev->dev, "SMU is initialized successfully!\n");
    1432             : 
    1433           0 :         return 0;
    1434             : }
    1435             : 
    1436           0 : static int smu_disable_dpms(struct smu_context *smu)
    1437             : {
    1438           0 :         struct amdgpu_device *adev = smu->adev;
    1439           0 :         int ret = 0;
    1440           0 :         bool use_baco = !smu->is_apu &&
    1441           0 :                 ((amdgpu_in_reset(adev) &&
    1442           0 :                   (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
    1443           0 :                  ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
    1444             : 
    1445             :         /*
    1446             :          * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
    1447             :          * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
    1448             :          */
    1449           0 :         switch (adev->ip_versions[MP1_HWIP][0]) {
    1450             :         case IP_VERSION(13, 0, 0):
    1451             :         case IP_VERSION(13, 0, 7):
    1452             :                 return 0;
    1453             :         default:
    1454             :                 break;
    1455             :         }
    1456             : 
    1457             :         /*
    1458             :          * For custom pptable uploading, skip the DPM features
    1459             :          * disable process on Navi1x ASICs.
    1460             :          *   - As the gfx related features are under control of
    1461             :          *     RLC on those ASICs. RLC reinitialization will be
    1462             :          *     needed to reenable them. That will cost much more
    1463             :          *     efforts.
    1464             :          *
    1465             :          *   - SMU firmware can handle the DPM reenablement
    1466             :          *     properly.
    1467             :          */
    1468           0 :         if (smu->uploading_custom_pp_table) {
    1469           0 :                 switch (adev->ip_versions[MP1_HWIP][0]) {
    1470             :                 case IP_VERSION(11, 0, 0):
    1471             :                 case IP_VERSION(11, 0, 5):
    1472             :                 case IP_VERSION(11, 0, 9):
    1473             :                 case IP_VERSION(11, 0, 7):
    1474             :                 case IP_VERSION(11, 0, 11):
    1475             :                 case IP_VERSION(11, 5, 0):
    1476             :                 case IP_VERSION(11, 0, 12):
    1477             :                 case IP_VERSION(11, 0, 13):
    1478             :                         return 0;
    1479             :                 default:
    1480             :                         break;
    1481             :                 }
    1482             :         }
    1483             : 
    1484             :         /*
    1485             :          * For Sienna_Cichlid, PMFW will handle the features disablement properly
    1486             :          * on BACO in. Driver involvement is unnecessary.
    1487             :          */
    1488           0 :         if (use_baco) {
    1489           0 :                 switch (adev->ip_versions[MP1_HWIP][0]) {
    1490             :                 case IP_VERSION(11, 0, 7):
    1491             :                 case IP_VERSION(11, 0, 0):
    1492             :                 case IP_VERSION(11, 0, 5):
    1493             :                 case IP_VERSION(11, 0, 9):
    1494             :                 case IP_VERSION(13, 0, 7):
    1495             :                         return 0;
    1496             :                 default:
    1497             :                         break;
    1498             :                 }
    1499             :         }
    1500             : 
    1501             :         /*
    1502             :          * For gpu reset, runpm and hibernation through BACO,
    1503             :          * BACO feature has to be kept enabled.
    1504             :          */
    1505           0 :         if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
    1506           0 :                 ret = smu_disable_all_features_with_exception(smu,
    1507             :                                                               SMU_FEATURE_BACO_BIT);
    1508           0 :                 if (ret)
    1509           0 :                         dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
    1510             :         } else {
    1511             :                 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */
    1512           0 :                 if (!adev->scpm_enabled) {
    1513           0 :                         ret = smu_system_features_control(smu, false);
    1514           0 :                         if (ret)
    1515           0 :                                 dev_err(adev->dev, "Failed to disable smu features.\n");
    1516             :                 }
    1517             :         }
    1518             : 
    1519           0 :         if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
    1520           0 :             adev->gfx.rlc.funcs->stop)
    1521           0 :                 adev->gfx.rlc.funcs->stop(adev);
    1522             : 
    1523             :         return ret;
    1524             : }
    1525             : 
    1526           0 : static int smu_smc_hw_cleanup(struct smu_context *smu)
    1527             : {
    1528           0 :         struct amdgpu_device *adev = smu->adev;
    1529           0 :         int ret = 0;
    1530             : 
    1531           0 :         cancel_work_sync(&smu->throttling_logging_work);
    1532           0 :         cancel_work_sync(&smu->interrupt_work);
    1533             : 
    1534           0 :         ret = smu_disable_thermal_alert(smu);
    1535           0 :         if (ret) {
    1536           0 :                 dev_err(adev->dev, "Fail to disable thermal alert!\n");
    1537           0 :                 return ret;
    1538             :         }
    1539             : 
    1540           0 :         ret = smu_disable_dpms(smu);
    1541           0 :         if (ret) {
    1542           0 :                 dev_err(adev->dev, "Fail to disable dpm features!\n");
    1543           0 :                 return ret;
    1544             :         }
    1545             : 
    1546             :         return 0;
    1547             : }
    1548             : 
    1549           0 : static int smu_hw_fini(void *handle)
    1550             : {
    1551           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
    1552           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1553             : 
    1554           0 :         if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
    1555             :                 return 0;
    1556             : 
    1557           0 :         smu_dpm_set_vcn_enable(smu, false);
    1558           0 :         smu_dpm_set_jpeg_enable(smu, false);
    1559             : 
    1560           0 :         adev->vcn.cur_state = AMD_PG_STATE_GATE;
    1561           0 :         adev->jpeg.cur_state = AMD_PG_STATE_GATE;
    1562             : 
    1563           0 :         if (!smu->pm_enabled)
    1564             :                 return 0;
    1565             : 
    1566           0 :         adev->pm.dpm_enabled = false;
    1567             : 
    1568           0 :         return smu_smc_hw_cleanup(smu);
    1569             : }
    1570             : 
    1571           0 : static void smu_late_fini(void *handle)
    1572             : {
    1573           0 :         struct amdgpu_device *adev = handle;
    1574           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1575             : 
    1576           0 :         kfree(smu);
    1577           0 : }
    1578             : 
    1579           0 : static int smu_reset(struct smu_context *smu)
    1580             : {
    1581           0 :         struct amdgpu_device *adev = smu->adev;
    1582             :         int ret;
    1583             : 
    1584           0 :         ret = smu_hw_fini(adev);
    1585           0 :         if (ret)
    1586             :                 return ret;
    1587             : 
    1588           0 :         ret = smu_hw_init(adev);
    1589           0 :         if (ret)
    1590             :                 return ret;
    1591             : 
    1592           0 :         ret = smu_late_init(adev);
    1593           0 :         if (ret)
    1594             :                 return ret;
    1595             : 
    1596             :         return 0;
    1597             : }
    1598             : 
    1599           0 : static int smu_suspend(void *handle)
    1600             : {
    1601           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
    1602           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1603             :         int ret;
    1604             :         uint64_t count;
    1605             : 
    1606           0 :         if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
    1607             :                 return 0;
    1608             : 
    1609           0 :         if (!smu->pm_enabled)
    1610             :                 return 0;
    1611             : 
    1612           0 :         adev->pm.dpm_enabled = false;
    1613             : 
    1614           0 :         ret = smu_smc_hw_cleanup(smu);
    1615           0 :         if (ret)
    1616             :                 return ret;
    1617             : 
    1618           0 :         smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
    1619             : 
    1620           0 :         smu_set_gfx_cgpg(smu, false);
    1621             : 
    1622             :         /*
    1623             :          * pwfw resets entrycount when device is suspended, so we save the
    1624             :          * last value to be used when we resume to keep it consistent
    1625             :          */
    1626           0 :         ret = smu_get_entrycount_gfxoff(smu, &count);
    1627           0 :         if (!ret)
    1628           0 :                 adev->gfx.gfx_off_entrycount = count;
    1629             : 
    1630             :         return 0;
    1631             : }
    1632             : 
    1633           0 : static int smu_resume(void *handle)
    1634             : {
    1635             :         int ret;
    1636           0 :         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
    1637           0 :         struct smu_context *smu = adev->powerplay.pp_handle;
    1638             : 
    1639           0 :         if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
    1640             :                 return 0;
    1641             : 
    1642           0 :         if (!smu->pm_enabled)
    1643             :                 return 0;
    1644             : 
    1645           0 :         dev_info(adev->dev, "SMU is resuming...\n");
    1646             : 
    1647           0 :         ret = smu_start_smc_engine(smu);
    1648           0 :         if (ret) {
    1649           0 :                 dev_err(adev->dev, "SMC engine is not correctly up!\n");
    1650           0 :                 return ret;
    1651             :         }
    1652             : 
    1653           0 :         ret = smu_smc_hw_setup(smu);
    1654           0 :         if (ret) {
    1655           0 :                 dev_err(adev->dev, "Failed to setup smc hw!\n");
    1656           0 :                 return ret;
    1657             :         }
    1658             : 
    1659           0 :         smu_set_gfx_cgpg(smu, true);
    1660             : 
    1661           0 :         smu->disable_uclk_switch = 0;
    1662             : 
    1663           0 :         adev->pm.dpm_enabled = true;
    1664             : 
    1665           0 :         dev_info(adev->dev, "SMU is resumed successfully!\n");
    1666             : 
    1667           0 :         return 0;
    1668             : }
    1669             : 
    1670           0 : static int smu_display_configuration_change(void *handle,
    1671             :                                             const struct amd_pp_display_configuration *display_config)
    1672             : {
    1673           0 :         struct smu_context *smu = handle;
    1674           0 :         int index = 0;
    1675           0 :         int num_of_active_display = 0;
    1676             : 
    1677           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1678             :                 return -EOPNOTSUPP;
    1679             : 
    1680           0 :         if (!display_config)
    1681             :                 return -EINVAL;
    1682             : 
    1683           0 :         smu_set_min_dcef_deep_sleep(smu,
    1684             :                                     display_config->min_dcef_deep_sleep_set_clk / 100);
    1685             : 
    1686           0 :         for (index = 0; index < display_config->num_path_including_non_display; index++) {
    1687             :                 if (display_config->displays[index].controller_id != 0)
    1688             :                         num_of_active_display++;
    1689             :         }
    1690             : 
    1691             :         return 0;
    1692             : }
    1693             : 
    1694           0 : static int smu_set_clockgating_state(void *handle,
    1695             :                                      enum amd_clockgating_state state)
    1696             : {
    1697           0 :         return 0;
    1698             : }
    1699             : 
    1700           0 : static int smu_set_powergating_state(void *handle,
    1701             :                                      enum amd_powergating_state state)
    1702             : {
    1703           0 :         return 0;
    1704             : }
    1705             : 
    1706           0 : static int smu_enable_umd_pstate(void *handle,
    1707             :                       enum amd_dpm_forced_level *level)
    1708             : {
    1709           0 :         uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
    1710             :                                         AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
    1711             :                                         AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
    1712             :                                         AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
    1713             : 
    1714           0 :         struct smu_context *smu = (struct smu_context*)(handle);
    1715           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
    1716             : 
    1717           0 :         if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
    1718             :                 return -EINVAL;
    1719             : 
    1720           0 :         if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
    1721             :                 /* enter umd pstate, save current level, disable gfx cg*/
    1722           0 :                 if (*level & profile_mode_mask) {
    1723           0 :                         smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
    1724           0 :                         smu_gpo_control(smu, false);
    1725           0 :                         smu_gfx_ulv_control(smu, false);
    1726           0 :                         smu_deep_sleep_control(smu, false);
    1727           0 :                         amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
    1728             :                 }
    1729             :         } else {
    1730             :                 /* exit umd pstate, restore level, enable gfx cg*/
    1731           0 :                 if (!(*level & profile_mode_mask)) {
    1732           0 :                         if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
    1733           0 :                                 *level = smu_dpm_ctx->saved_dpm_level;
    1734           0 :                         amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
    1735           0 :                         smu_deep_sleep_control(smu, true);
    1736           0 :                         smu_gfx_ulv_control(smu, true);
    1737           0 :                         smu_gpo_control(smu, true);
    1738             :                 }
    1739             :         }
    1740             : 
    1741             :         return 0;
    1742             : }
    1743             : 
    1744             : static int smu_bump_power_profile_mode(struct smu_context *smu,
    1745             :                                            long *param,
    1746             :                                            uint32_t param_size)
    1747             : {
    1748           0 :         int ret = 0;
    1749             : 
    1750           0 :         if (smu->ppt_funcs->set_power_profile_mode)
    1751           0 :                 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
    1752             : 
    1753             :         return ret;
    1754             : }
    1755             : 
    1756           0 : static int smu_adjust_power_state_dynamic(struct smu_context *smu,
    1757             :                                    enum amd_dpm_forced_level level,
    1758             :                                    bool skip_display_settings)
    1759             : {
    1760           0 :         int ret = 0;
    1761           0 :         int index = 0;
    1762             :         long workload;
    1763           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
    1764             : 
    1765           0 :         if (!skip_display_settings) {
    1766           0 :                 ret = smu_display_config_changed(smu);
    1767           0 :                 if (ret) {
    1768           0 :                         dev_err(smu->adev->dev, "Failed to change display config!");
    1769           0 :                         return ret;
    1770             :                 }
    1771             :         }
    1772             : 
    1773           0 :         ret = smu_apply_clocks_adjust_rules(smu);
    1774           0 :         if (ret) {
    1775           0 :                 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
    1776           0 :                 return ret;
    1777             :         }
    1778             : 
    1779           0 :         if (!skip_display_settings) {
    1780           0 :                 ret = smu_notify_smc_display_config(smu);
    1781           0 :                 if (ret) {
    1782           0 :                         dev_err(smu->adev->dev, "Failed to notify smc display config!");
    1783           0 :                         return ret;
    1784             :                 }
    1785             :         }
    1786             : 
    1787           0 :         if (smu_dpm_ctx->dpm_level != level) {
    1788           0 :                 ret = smu_asic_set_performance_level(smu, level);
    1789           0 :                 if (ret) {
    1790           0 :                         dev_err(smu->adev->dev, "Failed to set performance level!");
    1791           0 :                         return ret;
    1792             :                 }
    1793             : 
    1794             :                 /* update the saved copy */
    1795           0 :                 smu_dpm_ctx->dpm_level = level;
    1796             :         }
    1797             : 
    1798           0 :         if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
    1799             :                 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
    1800           0 :                 index = fls(smu->workload_mask);
    1801           0 :                 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
    1802           0 :                 workload = smu->workload_setting[index];
    1803             : 
    1804           0 :                 if (smu->power_profile_mode != workload)
    1805             :                         smu_bump_power_profile_mode(smu, &workload, 0);
    1806             :         }
    1807             : 
    1808             :         return ret;
    1809             : }
    1810             : 
    1811           0 : static int smu_handle_task(struct smu_context *smu,
    1812             :                            enum amd_dpm_forced_level level,
    1813             :                            enum amd_pp_task task_id)
    1814             : {
    1815           0 :         int ret = 0;
    1816             : 
    1817           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1818             :                 return -EOPNOTSUPP;
    1819             : 
    1820           0 :         switch (task_id) {
    1821             :         case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
    1822           0 :                 ret = smu_pre_display_config_changed(smu);
    1823           0 :                 if (ret)
    1824             :                         return ret;
    1825           0 :                 ret = smu_adjust_power_state_dynamic(smu, level, false);
    1826           0 :                 break;
    1827             :         case AMD_PP_TASK_COMPLETE_INIT:
    1828             :         case AMD_PP_TASK_READJUST_POWER_STATE:
    1829           0 :                 ret = smu_adjust_power_state_dynamic(smu, level, true);
    1830           0 :                 break;
    1831             :         default:
    1832             :                 break;
    1833             :         }
    1834             : 
    1835             :         return ret;
    1836             : }
    1837             : 
    1838           0 : static int smu_handle_dpm_task(void *handle,
    1839             :                                enum amd_pp_task task_id,
    1840             :                                enum amd_pm_state_type *user_state)
    1841             : {
    1842           0 :         struct smu_context *smu = handle;
    1843           0 :         struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
    1844             : 
    1845           0 :         return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
    1846             : 
    1847             : }
    1848             : 
    1849           0 : static int smu_switch_power_profile(void *handle,
    1850             :                                     enum PP_SMC_POWER_PROFILE type,
    1851             :                                     bool en)
    1852             : {
    1853           0 :         struct smu_context *smu = handle;
    1854           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
    1855             :         long workload;
    1856             :         uint32_t index;
    1857             : 
    1858           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1859             :                 return -EOPNOTSUPP;
    1860             : 
    1861           0 :         if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
    1862             :                 return -EINVAL;
    1863             : 
    1864           0 :         if (!en) {
    1865           0 :                 smu->workload_mask &= ~(1 << smu->workload_prority[type]);
    1866           0 :                 index = fls(smu->workload_mask);
    1867           0 :                 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
    1868           0 :                 workload = smu->workload_setting[index];
    1869             :         } else {
    1870           0 :                 smu->workload_mask |= (1 << smu->workload_prority[type]);
    1871           0 :                 index = fls(smu->workload_mask);
    1872           0 :                 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
    1873           0 :                 workload = smu->workload_setting[index];
    1874             :         }
    1875             : 
    1876           0 :         if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
    1877             :                 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
    1878             :                 smu_bump_power_profile_mode(smu, &workload, 0);
    1879             : 
    1880             :         return 0;
    1881             : }
    1882             : 
    1883           0 : static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
    1884             : {
    1885           0 :         struct smu_context *smu = handle;
    1886           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
    1887             : 
    1888           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1889             :                 return -EOPNOTSUPP;
    1890             : 
    1891           0 :         if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
    1892             :                 return -EINVAL;
    1893             : 
    1894           0 :         return smu_dpm_ctx->dpm_level;
    1895             : }
    1896             : 
    1897           0 : static int smu_force_performance_level(void *handle,
    1898             :                                        enum amd_dpm_forced_level level)
    1899             : {
    1900           0 :         struct smu_context *smu = handle;
    1901           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
    1902           0 :         int ret = 0;
    1903             : 
    1904           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1905             :                 return -EOPNOTSUPP;
    1906             : 
    1907           0 :         if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
    1908             :                 return -EINVAL;
    1909             : 
    1910           0 :         ret = smu_enable_umd_pstate(smu, &level);
    1911           0 :         if (ret)
    1912             :                 return ret;
    1913             : 
    1914           0 :         ret = smu_handle_task(smu, level,
    1915             :                               AMD_PP_TASK_READJUST_POWER_STATE);
    1916             : 
    1917             :         /* reset user dpm clock state */
    1918           0 :         if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
    1919           0 :                 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
    1920           0 :                 smu->user_dpm_profile.clk_dependency = 0;
    1921             :         }
    1922             : 
    1923             :         return ret;
    1924             : }
    1925             : 
    1926           0 : static int smu_set_display_count(void *handle, uint32_t count)
    1927             : {
    1928           0 :         struct smu_context *smu = handle;
    1929             : 
    1930           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1931             :                 return -EOPNOTSUPP;
    1932             : 
    1933           0 :         return smu_init_display_count(smu, count);
    1934             : }
    1935             : 
    1936           0 : static int smu_force_smuclk_levels(struct smu_context *smu,
    1937             :                          enum smu_clk_type clk_type,
    1938             :                          uint32_t mask)
    1939             : {
    1940           0 :         struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
    1941           0 :         int ret = 0;
    1942             : 
    1943           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    1944             :                 return -EOPNOTSUPP;
    1945             : 
    1946           0 :         if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
    1947             :                 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
    1948             :                 return -EINVAL;
    1949             :         }
    1950             : 
    1951           0 :         if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
    1952           0 :                 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
    1953           0 :                 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
    1954           0 :                         smu->user_dpm_profile.clk_mask[clk_type] = mask;
    1955           0 :                         smu_set_user_clk_dependencies(smu, clk_type);
    1956             :                 }
    1957             :         }
    1958             : 
    1959             :         return ret;
    1960             : }
    1961             : 
    1962           0 : static int smu_force_ppclk_levels(void *handle,
    1963             :                                   enum pp_clock_type type,
    1964             :                                   uint32_t mask)
    1965             : {
    1966           0 :         struct smu_context *smu = handle;
    1967             :         enum smu_clk_type clk_type;
    1968             : 
    1969           0 :         switch (type) {
    1970             :         case PP_SCLK:
    1971             :                 clk_type = SMU_SCLK; break;
    1972             :         case PP_MCLK:
    1973           0 :                 clk_type = SMU_MCLK; break;
    1974             :         case PP_PCIE:
    1975           0 :                 clk_type = SMU_PCIE; break;
    1976             :         case PP_SOCCLK:
    1977           0 :                 clk_type = SMU_SOCCLK; break;
    1978             :         case PP_FCLK:
    1979           0 :                 clk_type = SMU_FCLK; break;
    1980             :         case PP_DCEFCLK:
    1981           0 :                 clk_type = SMU_DCEFCLK; break;
    1982             :         case PP_VCLK:
    1983           0 :                 clk_type = SMU_VCLK; break;
    1984             :         case PP_DCLK:
    1985           0 :                 clk_type = SMU_DCLK; break;
    1986             :         case OD_SCLK:
    1987           0 :                 clk_type = SMU_OD_SCLK; break;
    1988             :         case OD_MCLK:
    1989           0 :                 clk_type = SMU_OD_MCLK; break;
    1990             :         case OD_VDDC_CURVE:
    1991           0 :                 clk_type = SMU_OD_VDDC_CURVE; break;
    1992             :         case OD_RANGE:
    1993           0 :                 clk_type = SMU_OD_RANGE; break;
    1994             :         default:
    1995             :                 return -EINVAL;
    1996             :         }
    1997             : 
    1998           0 :         return smu_force_smuclk_levels(smu, clk_type, mask);
    1999             : }
    2000             : 
    2001             : /*
    2002             :  * On system suspending or resetting, the dpm_enabled
    2003             :  * flag will be cleared. So that those SMU services which
    2004             :  * are not supported will be gated.
    2005             :  * However, the mp1 state setting should still be granted
    2006             :  * even if the dpm_enabled cleared.
    2007             :  */
    2008           0 : static int smu_set_mp1_state(void *handle,
    2009             :                              enum pp_mp1_state mp1_state)
    2010             : {
    2011           0 :         struct smu_context *smu = handle;
    2012           0 :         int ret = 0;
    2013             : 
    2014           0 :         if (!smu->pm_enabled)
    2015             :                 return -EOPNOTSUPP;
    2016             : 
    2017           0 :         if (smu->ppt_funcs &&
    2018           0 :             smu->ppt_funcs->set_mp1_state)
    2019           0 :                 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
    2020             : 
    2021             :         return ret;
    2022             : }
    2023             : 
    2024           0 : static int smu_set_df_cstate(void *handle,
    2025             :                              enum pp_df_cstate state)
    2026             : {
    2027           0 :         struct smu_context *smu = handle;
    2028           0 :         int ret = 0;
    2029             : 
    2030           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2031             :                 return -EOPNOTSUPP;
    2032             : 
    2033           0 :         if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
    2034             :                 return 0;
    2035             : 
    2036           0 :         ret = smu->ppt_funcs->set_df_cstate(smu, state);
    2037           0 :         if (ret)
    2038           0 :                 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
    2039             : 
    2040             :         return ret;
    2041             : }
    2042             : 
    2043           0 : int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
    2044             : {
    2045           0 :         int ret = 0;
    2046             : 
    2047           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2048             :                 return -EOPNOTSUPP;
    2049             : 
    2050           0 :         if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
    2051             :                 return 0;
    2052             : 
    2053           0 :         ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
    2054           0 :         if (ret)
    2055           0 :                 dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n");
    2056             : 
    2057             :         return ret;
    2058             : }
    2059             : 
    2060           0 : int smu_write_watermarks_table(struct smu_context *smu)
    2061             : {
    2062           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2063             :                 return -EOPNOTSUPP;
    2064             : 
    2065           0 :         return smu_set_watermarks_table(smu, NULL);
    2066             : }
    2067             : 
    2068           0 : static int smu_set_watermarks_for_clock_ranges(void *handle,
    2069             :                                                struct pp_smu_wm_range_sets *clock_ranges)
    2070             : {
    2071           0 :         struct smu_context *smu = handle;
    2072             : 
    2073           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2074             :                 return -EOPNOTSUPP;
    2075             : 
    2076           0 :         if (smu->disable_watermark)
    2077             :                 return 0;
    2078             : 
    2079           0 :         return smu_set_watermarks_table(smu, clock_ranges);
    2080             : }
    2081             : 
    2082           0 : int smu_set_ac_dc(struct smu_context *smu)
    2083             : {
    2084           0 :         int ret = 0;
    2085             : 
    2086           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2087             :                 return -EOPNOTSUPP;
    2088             : 
    2089             :         /* controlled by firmware */
    2090           0 :         if (smu->dc_controlled_by_gpio)
    2091             :                 return 0;
    2092             : 
    2093           0 :         ret = smu_set_power_source(smu,
    2094             :                                    smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
    2095             :                                    SMU_POWER_SOURCE_DC);
    2096           0 :         if (ret)
    2097           0 :                 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
    2098             :                        smu->adev->pm.ac_power ? "AC" : "DC");
    2099             : 
    2100             :         return ret;
    2101             : }
    2102             : 
    2103             : const struct amd_ip_funcs smu_ip_funcs = {
    2104             :         .name = "smu",
    2105             :         .early_init = smu_early_init,
    2106             :         .late_init = smu_late_init,
    2107             :         .sw_init = smu_sw_init,
    2108             :         .sw_fini = smu_sw_fini,
    2109             :         .hw_init = smu_hw_init,
    2110             :         .hw_fini = smu_hw_fini,
    2111             :         .late_fini = smu_late_fini,
    2112             :         .suspend = smu_suspend,
    2113             :         .resume = smu_resume,
    2114             :         .is_idle = NULL,
    2115             :         .check_soft_reset = NULL,
    2116             :         .wait_for_idle = NULL,
    2117             :         .soft_reset = NULL,
    2118             :         .set_clockgating_state = smu_set_clockgating_state,
    2119             :         .set_powergating_state = smu_set_powergating_state,
    2120             : };
    2121             : 
    2122             : const struct amdgpu_ip_block_version smu_v11_0_ip_block =
    2123             : {
    2124             :         .type = AMD_IP_BLOCK_TYPE_SMC,
    2125             :         .major = 11,
    2126             :         .minor = 0,
    2127             :         .rev = 0,
    2128             :         .funcs = &smu_ip_funcs,
    2129             : };
    2130             : 
    2131             : const struct amdgpu_ip_block_version smu_v12_0_ip_block =
    2132             : {
    2133             :         .type = AMD_IP_BLOCK_TYPE_SMC,
    2134             :         .major = 12,
    2135             :         .minor = 0,
    2136             :         .rev = 0,
    2137             :         .funcs = &smu_ip_funcs,
    2138             : };
    2139             : 
    2140             : const struct amdgpu_ip_block_version smu_v13_0_ip_block =
    2141             : {
    2142             :         .type = AMD_IP_BLOCK_TYPE_SMC,
    2143             :         .major = 13,
    2144             :         .minor = 0,
    2145             :         .rev = 0,
    2146             :         .funcs = &smu_ip_funcs,
    2147             : };
    2148             : 
    2149           0 : static int smu_load_microcode(void *handle)
    2150             : {
    2151           0 :         struct smu_context *smu = handle;
    2152           0 :         struct amdgpu_device *adev = smu->adev;
    2153           0 :         int ret = 0;
    2154             : 
    2155           0 :         if (!smu->pm_enabled)
    2156             :                 return -EOPNOTSUPP;
    2157             : 
    2158             :         /* This should be used for non PSP loading */
    2159           0 :         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
    2160             :                 return 0;
    2161             : 
    2162           0 :         if (smu->ppt_funcs->load_microcode) {
    2163           0 :                 ret = smu->ppt_funcs->load_microcode(smu);
    2164           0 :                 if (ret) {
    2165           0 :                         dev_err(adev->dev, "Load microcode failed\n");
    2166           0 :                         return ret;
    2167             :                 }
    2168             :         }
    2169             : 
    2170           0 :         if (smu->ppt_funcs->check_fw_status) {
    2171           0 :                 ret = smu->ppt_funcs->check_fw_status(smu);
    2172           0 :                 if (ret) {
    2173           0 :                         dev_err(adev->dev, "SMC is not ready\n");
    2174           0 :                         return ret;
    2175             :                 }
    2176             :         }
    2177             : 
    2178             :         return ret;
    2179             : }
    2180             : 
    2181             : static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
    2182             : {
    2183           0 :         int ret = 0;
    2184             : 
    2185           0 :         if (smu->ppt_funcs->set_gfx_cgpg)
    2186           0 :                 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
    2187             : 
    2188             :         return ret;
    2189             : }
    2190             : 
    2191           0 : static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
    2192             : {
    2193           0 :         struct smu_context *smu = handle;
    2194           0 :         int ret = 0;
    2195             : 
    2196           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2197             :                 return -EOPNOTSUPP;
    2198             : 
    2199           0 :         if (!smu->ppt_funcs->set_fan_speed_rpm)
    2200             :                 return -EOPNOTSUPP;
    2201             : 
    2202           0 :         if (speed == U32_MAX)
    2203             :                 return -EINVAL;
    2204             : 
    2205           0 :         ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
    2206           0 :         if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
    2207           0 :                 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
    2208           0 :                 smu->user_dpm_profile.fan_speed_rpm = speed;
    2209             : 
    2210             :                 /* Override custom PWM setting as they cannot co-exist */
    2211           0 :                 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
    2212           0 :                 smu->user_dpm_profile.fan_speed_pwm = 0;
    2213             :         }
    2214             : 
    2215             :         return ret;
    2216             : }
    2217             : 
    2218             : /**
    2219             :  * smu_get_power_limit - Request one of the SMU Power Limits
    2220             :  *
    2221             :  * @handle: pointer to smu context
    2222             :  * @limit: requested limit is written back to this variable
    2223             :  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
    2224             :  * @pp_power_type: &pp_power_type type of power
    2225             :  * Return:  0 on success, <0 on error
    2226             :  *
    2227             :  */
    2228           0 : int smu_get_power_limit(void *handle,
    2229             :                         uint32_t *limit,
    2230             :                         enum pp_power_limit_level pp_limit_level,
    2231             :                         enum pp_power_type pp_power_type)
    2232             : {
    2233           0 :         struct smu_context *smu = handle;
    2234           0 :         struct amdgpu_device *adev = smu->adev;
    2235             :         enum smu_ppt_limit_level limit_level;
    2236             :         uint32_t limit_type;
    2237           0 :         int ret = 0;
    2238             : 
    2239           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2240             :                 return -EOPNOTSUPP;
    2241             : 
    2242           0 :         switch(pp_power_type) {
    2243             :         case PP_PWR_TYPE_SUSTAINED:
    2244             :                 limit_type = SMU_DEFAULT_PPT_LIMIT;
    2245             :                 break;
    2246             :         case PP_PWR_TYPE_FAST:
    2247           0 :                 limit_type = SMU_FAST_PPT_LIMIT;
    2248           0 :                 break;
    2249             :         default:
    2250             :                 return -EOPNOTSUPP;
    2251             :                 break;
    2252             :         }
    2253             : 
    2254           0 :         switch(pp_limit_level){
    2255             :         case PP_PWR_LIMIT_CURRENT:
    2256             :                 limit_level = SMU_PPT_LIMIT_CURRENT;
    2257             :                 break;
    2258             :         case PP_PWR_LIMIT_DEFAULT:
    2259           0 :                 limit_level = SMU_PPT_LIMIT_DEFAULT;
    2260           0 :                 break;
    2261             :         case PP_PWR_LIMIT_MAX:
    2262           0 :                 limit_level = SMU_PPT_LIMIT_MAX;
    2263           0 :                 break;
    2264             :         case PP_PWR_LIMIT_MIN:
    2265             :         default:
    2266             :                 return -EOPNOTSUPP;
    2267             :                 break;
    2268             :         }
    2269             : 
    2270           0 :         if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
    2271           0 :                 if (smu->ppt_funcs->get_ppt_limit)
    2272           0 :                         ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
    2273             :         } else {
    2274           0 :                 switch (limit_level) {
    2275             :                 case SMU_PPT_LIMIT_CURRENT:
    2276           0 :                         switch (adev->ip_versions[MP1_HWIP][0]) {
    2277             :                         case IP_VERSION(13, 0, 2):
    2278             :                         case IP_VERSION(11, 0, 7):
    2279             :                         case IP_VERSION(11, 0, 11):
    2280             :                         case IP_VERSION(11, 0, 12):
    2281             :                         case IP_VERSION(11, 0, 13):
    2282           0 :                                 ret = smu_get_asic_power_limits(smu,
    2283             :                                                                 &smu->current_power_limit,
    2284             :                                                                 NULL,
    2285             :                                                                 NULL);
    2286             :                                 break;
    2287             :                         default:
    2288             :                                 break;
    2289             :                         }
    2290           0 :                         *limit = smu->current_power_limit;
    2291           0 :                         break;
    2292             :                 case SMU_PPT_LIMIT_DEFAULT:
    2293           0 :                         *limit = smu->default_power_limit;
    2294           0 :                         break;
    2295             :                 case SMU_PPT_LIMIT_MAX:
    2296           0 :                         *limit = smu->max_power_limit;
    2297           0 :                         break;
    2298             :                 default:
    2299             :                         break;
    2300             :                 }
    2301             :         }
    2302             : 
    2303             :         return ret;
    2304             : }
    2305             : 
    2306           0 : static int smu_set_power_limit(void *handle, uint32_t limit)
    2307             : {
    2308           0 :         struct smu_context *smu = handle;
    2309           0 :         uint32_t limit_type = limit >> 24;
    2310           0 :         int ret = 0;
    2311             : 
    2312           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2313             :                 return -EOPNOTSUPP;
    2314             : 
    2315           0 :         limit &= (1<<24)-1;
    2316           0 :         if (limit_type != SMU_DEFAULT_PPT_LIMIT)
    2317           0 :                 if (smu->ppt_funcs->set_power_limit)
    2318           0 :                         return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
    2319             : 
    2320           0 :         if (limit > smu->max_power_limit) {
    2321           0 :                 dev_err(smu->adev->dev,
    2322             :                         "New power limit (%d) is over the max allowed %d\n",
    2323             :                         limit, smu->max_power_limit);
    2324           0 :                 return -EINVAL;
    2325             :         }
    2326             : 
    2327           0 :         if (!limit)
    2328           0 :                 limit = smu->current_power_limit;
    2329             : 
    2330           0 :         if (smu->ppt_funcs->set_power_limit) {
    2331           0 :                 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
    2332           0 :                 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
    2333           0 :                         smu->user_dpm_profile.power_limit = limit;
    2334             :         }
    2335             : 
    2336             :         return ret;
    2337             : }
    2338             : 
    2339             : static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
    2340             : {
    2341           0 :         int ret = 0;
    2342             : 
    2343           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2344             :                 return -EOPNOTSUPP;
    2345             : 
    2346           0 :         if (smu->ppt_funcs->print_clk_levels)
    2347           0 :                 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
    2348             : 
    2349             :         return ret;
    2350             : }
    2351             : 
    2352             : static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
    2353             : {
    2354             :         enum smu_clk_type clk_type;
    2355             : 
    2356             :         switch (type) {
    2357             :         case PP_SCLK:
    2358             :                 clk_type = SMU_SCLK; break;
    2359             :         case PP_MCLK:
    2360             :                 clk_type = SMU_MCLK; break;
    2361             :         case PP_PCIE:
    2362             :                 clk_type = SMU_PCIE; break;
    2363             :         case PP_SOCCLK:
    2364             :                 clk_type = SMU_SOCCLK; break;
    2365             :         case PP_FCLK:
    2366             :                 clk_type = SMU_FCLK; break;
    2367             :         case PP_DCEFCLK:
    2368             :                 clk_type = SMU_DCEFCLK; break;
    2369             :         case PP_VCLK:
    2370             :                 clk_type = SMU_VCLK; break;
    2371             :         case PP_DCLK:
    2372             :                 clk_type = SMU_DCLK; break;
    2373             :         case OD_SCLK:
    2374             :                 clk_type = SMU_OD_SCLK; break;
    2375             :         case OD_MCLK:
    2376             :                 clk_type = SMU_OD_MCLK; break;
    2377             :         case OD_VDDC_CURVE:
    2378             :                 clk_type = SMU_OD_VDDC_CURVE; break;
    2379             :         case OD_RANGE:
    2380             :                 clk_type = SMU_OD_RANGE; break;
    2381             :         case OD_VDDGFX_OFFSET:
    2382             :                 clk_type = SMU_OD_VDDGFX_OFFSET; break;
    2383             :         case OD_CCLK:
    2384             :                 clk_type = SMU_OD_CCLK; break;
    2385             :         default:
    2386             :                 clk_type = SMU_CLK_COUNT; break;
    2387             :         }
    2388             : 
    2389             :         return clk_type;
    2390             : }
    2391             : 
    2392           0 : static int smu_print_ppclk_levels(void *handle,
    2393             :                                   enum pp_clock_type type,
    2394             :                                   char *buf)
    2395             : {
    2396           0 :         struct smu_context *smu = handle;
    2397             :         enum smu_clk_type clk_type;
    2398             : 
    2399           0 :         clk_type = smu_convert_to_smuclk(type);
    2400           0 :         if (clk_type == SMU_CLK_COUNT)
    2401             :                 return -EINVAL;
    2402             : 
    2403             :         return smu_print_smuclk_levels(smu, clk_type, buf);
    2404             : }
    2405             : 
    2406           0 : static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
    2407             : {
    2408           0 :         struct smu_context *smu = handle;
    2409             :         enum smu_clk_type clk_type;
    2410             : 
    2411           0 :         clk_type = smu_convert_to_smuclk(type);
    2412           0 :         if (clk_type == SMU_CLK_COUNT)
    2413             :                 return -EINVAL;
    2414             : 
    2415           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2416             :                 return -EOPNOTSUPP;
    2417             : 
    2418           0 :         if (!smu->ppt_funcs->emit_clk_levels)
    2419             :                 return -ENOENT;
    2420             : 
    2421           0 :         return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
    2422             : 
    2423             : }
    2424             : 
    2425           0 : static int smu_od_edit_dpm_table(void *handle,
    2426             :                                  enum PP_OD_DPM_TABLE_COMMAND type,
    2427             :                                  long *input, uint32_t size)
    2428             : {
    2429           0 :         struct smu_context *smu = handle;
    2430           0 :         int ret = 0;
    2431             : 
    2432           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2433             :                 return -EOPNOTSUPP;
    2434             : 
    2435           0 :         if (smu->ppt_funcs->od_edit_dpm_table) {
    2436           0 :                 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
    2437             :         }
    2438             : 
    2439             :         return ret;
    2440             : }
    2441             : 
    2442           0 : static int smu_read_sensor(void *handle,
    2443             :                            int sensor,
    2444             :                            void *data,
    2445             :                            int *size_arg)
    2446             : {
    2447           0 :         struct smu_context *smu = handle;
    2448           0 :         struct smu_umd_pstate_table *pstate_table =
    2449             :                                 &smu->pstate_table;
    2450           0 :         int ret = 0;
    2451             :         uint32_t *size, size_val;
    2452             : 
    2453           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2454             :                 return -EOPNOTSUPP;
    2455             : 
    2456           0 :         if (!data || !size_arg)
    2457             :                 return -EINVAL;
    2458             : 
    2459           0 :         size_val = *size_arg;
    2460           0 :         size = &size_val;
    2461             : 
    2462           0 :         if (smu->ppt_funcs->read_sensor)
    2463           0 :                 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
    2464             :                         goto unlock;
    2465             : 
    2466           0 :         switch (sensor) {
    2467             :         case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
    2468           0 :                 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
    2469           0 :                 *size = 4;
    2470           0 :                 break;
    2471             :         case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
    2472           0 :                 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
    2473           0 :                 *size = 4;
    2474           0 :                 break;
    2475             :         case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
    2476           0 :                 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
    2477           0 :                 *size = 8;
    2478           0 :                 break;
    2479             :         case AMDGPU_PP_SENSOR_UVD_POWER:
    2480           0 :                 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
    2481           0 :                 *size = 4;
    2482           0 :                 break;
    2483             :         case AMDGPU_PP_SENSOR_VCE_POWER:
    2484           0 :                 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
    2485           0 :                 *size = 4;
    2486           0 :                 break;
    2487             :         case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
    2488           0 :                 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1;
    2489           0 :                 *size = 4;
    2490           0 :                 break;
    2491             :         case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
    2492           0 :                 *(uint32_t *)data = 0;
    2493           0 :                 *size = 4;
    2494           0 :                 break;
    2495             :         default:
    2496           0 :                 *size = 0;
    2497           0 :                 ret = -EOPNOTSUPP;
    2498           0 :                 break;
    2499             :         }
    2500             : 
    2501             : unlock:
    2502             :         // assign uint32_t to int
    2503           0 :         *size_arg = size_val;
    2504             : 
    2505           0 :         return ret;
    2506             : }
    2507             : 
    2508           0 : static int smu_get_power_profile_mode(void *handle, char *buf)
    2509             : {
    2510           0 :         struct smu_context *smu = handle;
    2511             : 
    2512           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
    2513           0 :             !smu->ppt_funcs->get_power_profile_mode)
    2514             :                 return -EOPNOTSUPP;
    2515           0 :         if (!buf)
    2516             :                 return -EINVAL;
    2517             : 
    2518           0 :         return smu->ppt_funcs->get_power_profile_mode(smu, buf);
    2519             : }
    2520             : 
    2521           0 : static int smu_set_power_profile_mode(void *handle,
    2522             :                                       long *param,
    2523             :                                       uint32_t param_size)
    2524             : {
    2525           0 :         struct smu_context *smu = handle;
    2526             : 
    2527           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
    2528           0 :             !smu->ppt_funcs->set_power_profile_mode)
    2529             :                 return -EOPNOTSUPP;
    2530             : 
    2531           0 :         return smu_bump_power_profile_mode(smu, param, param_size);
    2532             : }
    2533             : 
    2534           0 : static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
    2535             : {
    2536           0 :         struct smu_context *smu = handle;
    2537             : 
    2538           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2539             :                 return -EOPNOTSUPP;
    2540             : 
    2541           0 :         if (!smu->ppt_funcs->get_fan_control_mode)
    2542             :                 return -EOPNOTSUPP;
    2543             : 
    2544           0 :         if (!fan_mode)
    2545             :                 return -EINVAL;
    2546             : 
    2547           0 :         *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
    2548             : 
    2549           0 :         return 0;
    2550             : }
    2551             : 
    2552           0 : static int smu_set_fan_control_mode(void *handle, u32 value)
    2553             : {
    2554           0 :         struct smu_context *smu = handle;
    2555           0 :         int ret = 0;
    2556             : 
    2557           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2558             :                 return -EOPNOTSUPP;
    2559             : 
    2560           0 :         if (!smu->ppt_funcs->set_fan_control_mode)
    2561             :                 return -EOPNOTSUPP;
    2562             : 
    2563           0 :         if (value == U32_MAX)
    2564             :                 return -EINVAL;
    2565             : 
    2566           0 :         ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
    2567           0 :         if (ret)
    2568             :                 goto out;
    2569             : 
    2570           0 :         if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
    2571           0 :                 smu->user_dpm_profile.fan_mode = value;
    2572             : 
    2573             :                 /* reset user dpm fan speed */
    2574           0 :                 if (value != AMD_FAN_CTRL_MANUAL) {
    2575           0 :                         smu->user_dpm_profile.fan_speed_pwm = 0;
    2576           0 :                         smu->user_dpm_profile.fan_speed_rpm = 0;
    2577           0 :                         smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
    2578             :                 }
    2579             :         }
    2580             : 
    2581             : out:
    2582             :         return ret;
    2583             : }
    2584             : 
    2585           0 : static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
    2586             : {
    2587           0 :         struct smu_context *smu = handle;
    2588           0 :         int ret = 0;
    2589             : 
    2590           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2591             :                 return -EOPNOTSUPP;
    2592             : 
    2593           0 :         if (!smu->ppt_funcs->get_fan_speed_pwm)
    2594             :                 return -EOPNOTSUPP;
    2595             : 
    2596           0 :         if (!speed)
    2597             :                 return -EINVAL;
    2598             : 
    2599           0 :         ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
    2600             : 
    2601           0 :         return ret;
    2602             : }
    2603             : 
    2604           0 : static int smu_set_fan_speed_pwm(void *handle, u32 speed)
    2605             : {
    2606           0 :         struct smu_context *smu = handle;
    2607           0 :         int ret = 0;
    2608             : 
    2609           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2610             :                 return -EOPNOTSUPP;
    2611             : 
    2612           0 :         if (!smu->ppt_funcs->set_fan_speed_pwm)
    2613             :                 return -EOPNOTSUPP;
    2614             : 
    2615           0 :         if (speed == U32_MAX)
    2616             :                 return -EINVAL;
    2617             : 
    2618           0 :         ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
    2619           0 :         if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
    2620           0 :                 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
    2621           0 :                 smu->user_dpm_profile.fan_speed_pwm = speed;
    2622             : 
    2623             :                 /* Override custom RPM setting as they cannot co-exist */
    2624           0 :                 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
    2625           0 :                 smu->user_dpm_profile.fan_speed_rpm = 0;
    2626             :         }
    2627             : 
    2628             :         return ret;
    2629             : }
    2630             : 
    2631           0 : static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
    2632             : {
    2633           0 :         struct smu_context *smu = handle;
    2634           0 :         int ret = 0;
    2635             : 
    2636           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2637             :                 return -EOPNOTSUPP;
    2638             : 
    2639           0 :         if (!smu->ppt_funcs->get_fan_speed_rpm)
    2640             :                 return -EOPNOTSUPP;
    2641             : 
    2642           0 :         if (!speed)
    2643             :                 return -EINVAL;
    2644             : 
    2645           0 :         ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
    2646             : 
    2647           0 :         return ret;
    2648             : }
    2649             : 
    2650           0 : static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
    2651             : {
    2652           0 :         struct smu_context *smu = handle;
    2653             : 
    2654           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2655             :                 return -EOPNOTSUPP;
    2656             : 
    2657           0 :         return smu_set_min_dcef_deep_sleep(smu, clk);
    2658             : }
    2659             : 
    2660           0 : static int smu_get_clock_by_type_with_latency(void *handle,
    2661             :                                               enum amd_pp_clock_type type,
    2662             :                                               struct pp_clock_levels_with_latency *clocks)
    2663             : {
    2664           0 :         struct smu_context *smu = handle;
    2665             :         enum smu_clk_type clk_type;
    2666           0 :         int ret = 0;
    2667             : 
    2668           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2669             :                 return -EOPNOTSUPP;
    2670             : 
    2671           0 :         if (smu->ppt_funcs->get_clock_by_type_with_latency) {
    2672           0 :                 switch (type) {
    2673             :                 case amd_pp_sys_clock:
    2674             :                         clk_type = SMU_GFXCLK;
    2675             :                         break;
    2676             :                 case amd_pp_mem_clock:
    2677           0 :                         clk_type = SMU_MCLK;
    2678           0 :                         break;
    2679             :                 case amd_pp_dcef_clock:
    2680           0 :                         clk_type = SMU_DCEFCLK;
    2681           0 :                         break;
    2682             :                 case amd_pp_disp_clock:
    2683           0 :                         clk_type = SMU_DISPCLK;
    2684           0 :                         break;
    2685             :                 default:
    2686           0 :                         dev_err(smu->adev->dev, "Invalid clock type!\n");
    2687           0 :                         return -EINVAL;
    2688             :                 }
    2689             : 
    2690           0 :                 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
    2691             :         }
    2692             : 
    2693             :         return ret;
    2694             : }
    2695             : 
    2696           0 : static int smu_display_clock_voltage_request(void *handle,
    2697             :                                              struct pp_display_clock_request *clock_req)
    2698             : {
    2699           0 :         struct smu_context *smu = handle;
    2700           0 :         int ret = 0;
    2701             : 
    2702           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2703             :                 return -EOPNOTSUPP;
    2704             : 
    2705           0 :         if (smu->ppt_funcs->display_clock_voltage_request)
    2706           0 :                 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
    2707             : 
    2708             :         return ret;
    2709             : }
    2710             : 
    2711             : 
    2712           0 : static int smu_display_disable_memory_clock_switch(void *handle,
    2713             :                                                    bool disable_memory_clock_switch)
    2714             : {
    2715           0 :         struct smu_context *smu = handle;
    2716           0 :         int ret = -EINVAL;
    2717             : 
    2718           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2719             :                 return -EOPNOTSUPP;
    2720             : 
    2721           0 :         if (smu->ppt_funcs->display_disable_memory_clock_switch)
    2722           0 :                 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
    2723             : 
    2724             :         return ret;
    2725             : }
    2726             : 
    2727           0 : static int smu_set_xgmi_pstate(void *handle,
    2728             :                                uint32_t pstate)
    2729             : {
    2730           0 :         struct smu_context *smu = handle;
    2731           0 :         int ret = 0;
    2732             : 
    2733           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2734             :                 return -EOPNOTSUPP;
    2735             : 
    2736           0 :         if (smu->ppt_funcs->set_xgmi_pstate)
    2737           0 :                 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
    2738             : 
    2739           0 :         if(ret)
    2740           0 :                 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
    2741             : 
    2742             :         return ret;
    2743             : }
    2744             : 
    2745           0 : static int smu_get_baco_capability(void *handle, bool *cap)
    2746             : {
    2747           0 :         struct smu_context *smu = handle;
    2748             : 
    2749           0 :         *cap = false;
    2750             : 
    2751           0 :         if (!smu->pm_enabled)
    2752             :                 return 0;
    2753             : 
    2754           0 :         if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
    2755           0 :                 *cap = smu->ppt_funcs->baco_is_support(smu);
    2756             : 
    2757             :         return 0;
    2758             : }
    2759             : 
    2760           0 : static int smu_baco_set_state(void *handle, int state)
    2761             : {
    2762           0 :         struct smu_context *smu = handle;
    2763           0 :         int ret = 0;
    2764             : 
    2765           0 :         if (!smu->pm_enabled)
    2766             :                 return -EOPNOTSUPP;
    2767             : 
    2768           0 :         if (state == 0) {
    2769           0 :                 if (smu->ppt_funcs->baco_exit)
    2770           0 :                         ret = smu->ppt_funcs->baco_exit(smu);
    2771           0 :         } else if (state == 1) {
    2772           0 :                 if (smu->ppt_funcs->baco_enter)
    2773           0 :                         ret = smu->ppt_funcs->baco_enter(smu);
    2774             :         } else {
    2775             :                 return -EINVAL;
    2776             :         }
    2777             : 
    2778           0 :         if (ret)
    2779           0 :                 dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
    2780             :                                 (state)?"enter":"exit");
    2781             : 
    2782             :         return ret;
    2783             : }
    2784             : 
    2785           0 : bool smu_mode1_reset_is_support(struct smu_context *smu)
    2786             : {
    2787           0 :         bool ret = false;
    2788             : 
    2789           0 :         if (!smu->pm_enabled)
    2790             :                 return false;
    2791             : 
    2792           0 :         if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
    2793           0 :                 ret = smu->ppt_funcs->mode1_reset_is_support(smu);
    2794             : 
    2795             :         return ret;
    2796             : }
    2797             : 
    2798           0 : bool smu_mode2_reset_is_support(struct smu_context *smu)
    2799             : {
    2800           0 :         bool ret = false;
    2801             : 
    2802           0 :         if (!smu->pm_enabled)
    2803             :                 return false;
    2804             : 
    2805           0 :         if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
    2806           0 :                 ret = smu->ppt_funcs->mode2_reset_is_support(smu);
    2807             : 
    2808             :         return ret;
    2809             : }
    2810             : 
    2811           0 : int smu_mode1_reset(struct smu_context *smu)
    2812             : {
    2813           0 :         int ret = 0;
    2814             : 
    2815           0 :         if (!smu->pm_enabled)
    2816             :                 return -EOPNOTSUPP;
    2817             : 
    2818           0 :         if (smu->ppt_funcs->mode1_reset)
    2819           0 :                 ret = smu->ppt_funcs->mode1_reset(smu);
    2820             : 
    2821             :         return ret;
    2822             : }
    2823             : 
    2824           0 : static int smu_mode2_reset(void *handle)
    2825             : {
    2826           0 :         struct smu_context *smu = handle;
    2827           0 :         int ret = 0;
    2828             : 
    2829           0 :         if (!smu->pm_enabled)
    2830             :                 return -EOPNOTSUPP;
    2831             : 
    2832           0 :         if (smu->ppt_funcs->mode2_reset)
    2833           0 :                 ret = smu->ppt_funcs->mode2_reset(smu);
    2834             : 
    2835           0 :         if (ret)
    2836           0 :                 dev_err(smu->adev->dev, "Mode2 reset failed!\n");
    2837             : 
    2838             :         return ret;
    2839             : }
    2840             : 
    2841           0 : static int smu_get_max_sustainable_clocks_by_dc(void *handle,
    2842             :                                                 struct pp_smu_nv_clock_table *max_clocks)
    2843             : {
    2844           0 :         struct smu_context *smu = handle;
    2845           0 :         int ret = 0;
    2846             : 
    2847           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2848             :                 return -EOPNOTSUPP;
    2849             : 
    2850           0 :         if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
    2851           0 :                 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
    2852             : 
    2853             :         return ret;
    2854             : }
    2855             : 
    2856           0 : static int smu_get_uclk_dpm_states(void *handle,
    2857             :                                    unsigned int *clock_values_in_khz,
    2858             :                                    unsigned int *num_states)
    2859             : {
    2860           0 :         struct smu_context *smu = handle;
    2861           0 :         int ret = 0;
    2862             : 
    2863           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2864             :                 return -EOPNOTSUPP;
    2865             : 
    2866           0 :         if (smu->ppt_funcs->get_uclk_dpm_states)
    2867           0 :                 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
    2868             : 
    2869             :         return ret;
    2870             : }
    2871             : 
    2872           0 : static enum amd_pm_state_type smu_get_current_power_state(void *handle)
    2873             : {
    2874           0 :         struct smu_context *smu = handle;
    2875           0 :         enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
    2876             : 
    2877           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2878             :                 return -EOPNOTSUPP;
    2879             : 
    2880           0 :         if (smu->ppt_funcs->get_current_power_state)
    2881           0 :                 pm_state = smu->ppt_funcs->get_current_power_state(smu);
    2882             : 
    2883             :         return pm_state;
    2884             : }
    2885             : 
    2886           0 : static int smu_get_dpm_clock_table(void *handle,
    2887             :                                    struct dpm_clocks *clock_table)
    2888             : {
    2889           0 :         struct smu_context *smu = handle;
    2890           0 :         int ret = 0;
    2891             : 
    2892           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2893             :                 return -EOPNOTSUPP;
    2894             : 
    2895           0 :         if (smu->ppt_funcs->get_dpm_clock_table)
    2896           0 :                 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
    2897             : 
    2898             :         return ret;
    2899             : }
    2900             : 
    2901           0 : static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
    2902             : {
    2903           0 :         struct smu_context *smu = handle;
    2904             : 
    2905           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2906             :                 return -EOPNOTSUPP;
    2907             : 
    2908           0 :         if (!smu->ppt_funcs->get_gpu_metrics)
    2909             :                 return -EOPNOTSUPP;
    2910             : 
    2911           0 :         return smu->ppt_funcs->get_gpu_metrics(smu, table);
    2912             : }
    2913             : 
    2914           0 : static int smu_enable_mgpu_fan_boost(void *handle)
    2915             : {
    2916           0 :         struct smu_context *smu = handle;
    2917           0 :         int ret = 0;
    2918             : 
    2919           0 :         if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
    2920             :                 return -EOPNOTSUPP;
    2921             : 
    2922           0 :         if (smu->ppt_funcs->enable_mgpu_fan_boost)
    2923           0 :                 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
    2924             : 
    2925             :         return ret;
    2926             : }
    2927             : 
    2928           0 : static int smu_gfx_state_change_set(void *handle,
    2929             :                                     uint32_t state)
    2930             : {
    2931           0 :         struct smu_context *smu = handle;
    2932           0 :         int ret = 0;
    2933             : 
    2934           0 :         if (smu->ppt_funcs->gfx_state_change_set)
    2935           0 :                 ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
    2936             : 
    2937           0 :         return ret;
    2938             : }
    2939             : 
    2940           0 : int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
    2941             : {
    2942           0 :         int ret = 0;
    2943             : 
    2944           0 :         if (smu->ppt_funcs->smu_handle_passthrough_sbr)
    2945           0 :                 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
    2946             : 
    2947           0 :         return ret;
    2948             : }
    2949             : 
    2950           0 : int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
    2951             : {
    2952           0 :         int ret = -EOPNOTSUPP;
    2953             : 
    2954           0 :         if (smu->ppt_funcs &&
    2955           0 :                 smu->ppt_funcs->get_ecc_info)
    2956           0 :                 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
    2957             : 
    2958           0 :         return ret;
    2959             : 
    2960             : }
    2961             : 
    2962           0 : static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
    2963             : {
    2964           0 :         struct smu_context *smu = handle;
    2965           0 :         struct smu_table_context *smu_table = &smu->smu_table;
    2966           0 :         struct smu_table *memory_pool = &smu_table->memory_pool;
    2967             : 
    2968           0 :         if (!addr || !size)
    2969             :                 return -EINVAL;
    2970             : 
    2971           0 :         *addr = NULL;
    2972           0 :         *size = 0;
    2973           0 :         if (memory_pool->bo) {
    2974           0 :                 *addr = memory_pool->cpu_addr;
    2975           0 :                 *size = memory_pool->size;
    2976             :         }
    2977             : 
    2978             :         return 0;
    2979             : }
    2980             : 
    2981             : static const struct amd_pm_funcs swsmu_pm_funcs = {
    2982             :         /* export for sysfs */
    2983             :         .set_fan_control_mode    = smu_set_fan_control_mode,
    2984             :         .get_fan_control_mode    = smu_get_fan_control_mode,
    2985             :         .set_fan_speed_pwm   = smu_set_fan_speed_pwm,
    2986             :         .get_fan_speed_pwm   = smu_get_fan_speed_pwm,
    2987             :         .force_clock_level       = smu_force_ppclk_levels,
    2988             :         .print_clock_levels      = smu_print_ppclk_levels,
    2989             :         .emit_clock_levels       = smu_emit_ppclk_levels,
    2990             :         .force_performance_level = smu_force_performance_level,
    2991             :         .read_sensor             = smu_read_sensor,
    2992             :         .get_performance_level   = smu_get_performance_level,
    2993             :         .get_current_power_state = smu_get_current_power_state,
    2994             :         .get_fan_speed_rpm       = smu_get_fan_speed_rpm,
    2995             :         .set_fan_speed_rpm       = smu_set_fan_speed_rpm,
    2996             :         .get_pp_num_states       = smu_get_power_num_states,
    2997             :         .get_pp_table            = smu_sys_get_pp_table,
    2998             :         .set_pp_table            = smu_sys_set_pp_table,
    2999             :         .switch_power_profile    = smu_switch_power_profile,
    3000             :         /* export to amdgpu */
    3001             :         .dispatch_tasks          = smu_handle_dpm_task,
    3002             :         .load_firmware           = smu_load_microcode,
    3003             :         .set_powergating_by_smu  = smu_dpm_set_power_gate,
    3004             :         .set_power_limit         = smu_set_power_limit,
    3005             :         .get_power_limit         = smu_get_power_limit,
    3006             :         .get_power_profile_mode  = smu_get_power_profile_mode,
    3007             :         .set_power_profile_mode  = smu_set_power_profile_mode,
    3008             :         .odn_edit_dpm_table      = smu_od_edit_dpm_table,
    3009             :         .set_mp1_state           = smu_set_mp1_state,
    3010             :         .gfx_state_change_set    = smu_gfx_state_change_set,
    3011             :         /* export to DC */
    3012             :         .get_sclk                         = smu_get_sclk,
    3013             :         .get_mclk                         = smu_get_mclk,
    3014             :         .display_configuration_change     = smu_display_configuration_change,
    3015             :         .get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
    3016             :         .display_clock_voltage_request    = smu_display_clock_voltage_request,
    3017             :         .enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
    3018             :         .set_active_display_count         = smu_set_display_count,
    3019             :         .set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
    3020             :         .get_asic_baco_capability         = smu_get_baco_capability,
    3021             :         .set_asic_baco_state              = smu_baco_set_state,
    3022             :         .get_ppfeature_status             = smu_sys_get_pp_feature_mask,
    3023             :         .set_ppfeature_status             = smu_sys_set_pp_feature_mask,
    3024             :         .asic_reset_mode_2                = smu_mode2_reset,
    3025             :         .set_df_cstate                    = smu_set_df_cstate,
    3026             :         .set_xgmi_pstate                  = smu_set_xgmi_pstate,
    3027             :         .get_gpu_metrics                  = smu_sys_get_gpu_metrics,
    3028             :         .set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
    3029             :         .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
    3030             :         .get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
    3031             :         .get_uclk_dpm_states              = smu_get_uclk_dpm_states,
    3032             :         .get_dpm_clock_table              = smu_get_dpm_clock_table,
    3033             :         .get_smu_prv_buf_details = smu_get_prv_buffer_details,
    3034             : };
    3035             : 
    3036           0 : int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
    3037             :                        uint64_t event_arg)
    3038             : {
    3039           0 :         int ret = -EINVAL;
    3040             : 
    3041           0 :         if (smu->ppt_funcs->wait_for_event)
    3042           0 :                 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
    3043             : 
    3044           0 :         return ret;
    3045             : }
    3046             : 
    3047           0 : int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
    3048             : {
    3049             : 
    3050           0 :         if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
    3051             :                 return -EOPNOTSUPP;
    3052             : 
    3053             :         /* Confirm the buffer allocated is of correct size */
    3054           0 :         if (size != smu->stb_context.stb_buf_size)
    3055             :                 return -EINVAL;
    3056             : 
    3057             :         /*
    3058             :          * No need to lock smu mutex as we access STB directly through MMIO
    3059             :          * and not going through SMU messaging route (for now at least).
    3060             :          * For registers access rely on implementation internal locking.
    3061             :          */
    3062           0 :         return smu->ppt_funcs->stb_collect_info(smu, buf, size);
    3063             : }
    3064             : 
    3065             : #if defined(CONFIG_DEBUG_FS)
    3066             : 
    3067             : static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
    3068             : {
    3069             :         struct amdgpu_device *adev = filp->f_inode->i_private;
    3070             :         struct smu_context *smu = adev->powerplay.pp_handle;
    3071             :         unsigned char *buf;
    3072             :         int r;
    3073             : 
    3074             :         buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
    3075             :         if (!buf)
    3076             :                 return -ENOMEM;
    3077             : 
    3078             :         r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
    3079             :         if (r)
    3080             :                 goto out;
    3081             : 
    3082             :         filp->private_data = buf;
    3083             : 
    3084             :         return 0;
    3085             : 
    3086             : out:
    3087             :         kvfree(buf);
    3088             :         return r;
    3089             : }
    3090             : 
    3091             : static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
    3092             :                                 loff_t *pos)
    3093             : {
    3094             :         struct amdgpu_device *adev = filp->f_inode->i_private;
    3095             :         struct smu_context *smu = adev->powerplay.pp_handle;
    3096             : 
    3097             : 
    3098             :         if (!filp->private_data)
    3099             :                 return -EINVAL;
    3100             : 
    3101             :         return simple_read_from_buffer(buf,
    3102             :                                        size,
    3103             :                                        pos, filp->private_data,
    3104             :                                        smu->stb_context.stb_buf_size);
    3105             : }
    3106             : 
    3107             : static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
    3108             : {
    3109             :         kvfree(filp->private_data);
    3110             :         filp->private_data = NULL;
    3111             : 
    3112             :         return 0;
    3113             : }
    3114             : 
    3115             : /*
    3116             :  * We have to define not only read method but also
    3117             :  * open and release because .read takes up to PAGE_SIZE
    3118             :  * data each time so and so is invoked multiple times.
    3119             :  *  We allocate the STB buffer in .open and release it
    3120             :  *  in .release
    3121             :  */
    3122             : static const struct file_operations smu_stb_debugfs_fops = {
    3123             :         .owner = THIS_MODULE,
    3124             :         .open = smu_stb_debugfs_open,
    3125             :         .read = smu_stb_debugfs_read,
    3126             :         .release = smu_stb_debugfs_release,
    3127             :         .llseek = default_llseek,
    3128             : };
    3129             : 
    3130             : #endif
    3131             : 
    3132           0 : void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
    3133             : {
    3134             : #if defined(CONFIG_DEBUG_FS)
    3135             : 
    3136             :         struct smu_context *smu = adev->powerplay.pp_handle;
    3137             : 
    3138             :         if (!smu || (!smu->stb_context.stb_buf_size))
    3139             :                 return;
    3140             : 
    3141             :         debugfs_create_file_size("amdgpu_smu_stb_dump",
    3142             :                             S_IRUSR,
    3143             :                             adev_to_drm(adev)->primary->debugfs_root,
    3144             :                             adev,
    3145             :                             &smu_stb_debugfs_fops,
    3146             :                             smu->stb_context.stb_buf_size);
    3147             : #endif
    3148           0 : }
    3149             : 
    3150           0 : int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
    3151             : {
    3152           0 :         int ret = 0;
    3153             : 
    3154           0 :         if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
    3155           0 :                 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
    3156             : 
    3157           0 :         return ret;
    3158             : }
    3159             : 
    3160           0 : int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
    3161             : {
    3162           0 :         int ret = 0;
    3163             : 
    3164           0 :         if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
    3165           0 :                 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
    3166             : 
    3167           0 :         return ret;
    3168             : }

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