diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 136 |
1 files changed, 128 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c index 388c5cb5c647..87b055466a33 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c @@ -266,6 +266,9 @@ int smu_v11_0_check_fw_version(struct smu_context *smu) case CHIP_BEIGE_GOBY: smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_Beige_Goby; break; + case CHIP_CYAN_SKILLFISH: + smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_Cyan_Skillfish; + break; default: dev_err(smu->adev->dev, "smu unsupported asic type:%d.\n", smu->adev->asic_type); smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_INV; @@ -422,10 +425,20 @@ int smu_v11_0_init_smc_tables(struct smu_context *smu) ret = -ENOMEM; goto err3_out; } + + smu_table->user_overdrive_table = + kzalloc(tables[SMU_TABLE_OVERDRIVE].size, GFP_KERNEL); + if (!smu_table->user_overdrive_table) { + ret = -ENOMEM; + goto err4_out; + } + } return 0; +err4_out: + kfree(smu_table->boot_overdrive_table); err3_out: kfree(smu_table->overdrive_table); err2_out: @@ -442,12 +455,14 @@ int smu_v11_0_fini_smc_tables(struct smu_context *smu) struct smu_dpm_context *smu_dpm = &smu->smu_dpm; kfree(smu_table->gpu_metrics_table); + kfree(smu_table->user_overdrive_table); kfree(smu_table->boot_overdrive_table); kfree(smu_table->overdrive_table); kfree(smu_table->max_sustainable_clocks); kfree(smu_table->driver_pptable); kfree(smu_table->clocks_table); smu_table->gpu_metrics_table = NULL; + smu_table->user_overdrive_table = NULL; smu_table->boot_overdrive_table = NULL; smu_table->overdrive_table = NULL; smu_table->max_sustainable_clocks = NULL; @@ -1185,17 +1200,13 @@ smu_v11_0_set_fan_static_mode(struct smu_context *smu, uint32_t mode) } int -smu_v11_0_set_fan_speed_percent(struct smu_context *smu, uint32_t speed) +smu_v11_0_set_fan_speed_pwm(struct smu_context *smu, uint32_t speed) { struct amdgpu_device *adev = smu->adev; uint32_t duty100, duty; uint64_t tmp64; - if (speed > 100) - speed = 100; - - if (smu_v11_0_auto_fan_control(smu, 0)) - return -EINVAL; + speed = MIN(speed, 255); duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), CG_FDO_CTRL1, FMAX_DUTY100); @@ -1203,7 +1214,7 @@ smu_v11_0_set_fan_speed_percent(struct smu_context *smu, uint32_t speed) return -EINVAL; tmp64 = (uint64_t)speed * duty100; - do_div(tmp64, 100); + do_div(tmp64, 255); duty = (uint32_t)tmp64; WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0, @@ -1213,6 +1224,99 @@ smu_v11_0_set_fan_speed_percent(struct smu_context *smu, uint32_t speed) return smu_v11_0_set_fan_static_mode(smu, FDO_PWM_MODE_STATIC); } +int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu, + uint32_t speed) +{ + struct amdgpu_device *adev = smu->adev; + /* + * crystal_clock_freq used for fan speed rpm calculation is + * always 25Mhz. So, hardcode it as 2500(in 10K unit). + */ + uint32_t crystal_clock_freq = 2500; + uint32_t tach_period; + + /* + * To prevent from possible overheat, some ASICs may have requirement + * for minimum fan speed: + * - For some NV10 SKU, the fan speed cannot be set lower than + * 700 RPM. + * - For some Sienna Cichlid SKU, the fan speed cannot be set + * lower than 500 RPM. + */ + tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); + WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), + CG_TACH_CTRL, TARGET_PERIOD, + tach_period)); + + return smu_v11_0_set_fan_static_mode(smu, FDO_PWM_MODE_STATIC_RPM); +} + +int smu_v11_0_get_fan_speed_pwm(struct smu_context *smu, + uint32_t *speed) +{ + struct amdgpu_device *adev = smu->adev; + uint32_t duty100, duty; + uint64_t tmp64; + + /* + * For pre Sienna Cichlid ASICs, the 0 RPM may be not correctly + * detected via register retrieving. To workaround this, we will + * report the fan speed as 0 PWM if user just requested such. + */ + if ((smu->user_dpm_profile.flags & SMU_CUSTOM_FAN_SPEED_PWM) + && !smu->user_dpm_profile.fan_speed_pwm) { + *speed = 0; + return 0; + } + + duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), + CG_FDO_CTRL1, FMAX_DUTY100); + duty = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_THERMAL_STATUS), + CG_THERMAL_STATUS, FDO_PWM_DUTY); + if (!duty100) + return -EINVAL; + + tmp64 = (uint64_t)duty * 255; + do_div(tmp64, duty100); + *speed = MIN((uint32_t)tmp64, 255); + + return 0; +} + +int smu_v11_0_get_fan_speed_rpm(struct smu_context *smu, + uint32_t *speed) +{ + struct amdgpu_device *adev = smu->adev; + uint32_t crystal_clock_freq = 2500; + uint32_t tach_status; + uint64_t tmp64; + + /* + * For pre Sienna Cichlid ASICs, the 0 RPM may be not correctly + * detected via register retrieving. To workaround this, we will + * report the fan speed as 0 RPM if user just requested such. + */ + if ((smu->user_dpm_profile.flags & SMU_CUSTOM_FAN_SPEED_RPM) + && !smu->user_dpm_profile.fan_speed_rpm) { + *speed = 0; + return 0; + } + + tmp64 = (uint64_t)crystal_clock_freq * 60 * 10000; + + tach_status = RREG32_SOC15(THM, 0, mmCG_TACH_STATUS); + if (tach_status) { + do_div(tmp64, tach_status); + *speed = (uint32_t)tmp64; + } else { + dev_warn_once(adev->dev, "Got zero output on CG_TACH_STATUS reading!\n"); + *speed = 0; + } + + return 0; +} + int smu_v11_0_set_fan_control_mode(struct smu_context *smu, uint32_t mode) @@ -1221,7 +1325,9 @@ smu_v11_0_set_fan_control_mode(struct smu_context *smu, switch (mode) { case AMD_FAN_CTRL_NONE: - ret = smu_v11_0_set_fan_speed_percent(smu, 100); + ret = smu_v11_0_auto_fan_control(smu, 0); + if (!ret) + ret = smu_v11_0_set_fan_speed_pwm(smu, 255); break; case AMD_FAN_CTRL_MANUAL: ret = smu_v11_0_auto_fan_control(smu, 0); @@ -1528,6 +1634,7 @@ int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state) case CHIP_SIENNA_CICHLID: case CHIP_NAVY_FLOUNDER: case CHIP_DIMGREY_CAVEFISH: + case CHIP_BEIGE_GOBY: if (amdgpu_runtime_pm == 2) ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnterBaco, @@ -2100,3 +2207,16 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu, return ret; } + +int smu_v11_0_restore_user_od_settings(struct smu_context *smu) +{ + struct smu_table_context *table_context = &smu->smu_table; + void *user_od_table = table_context->user_overdrive_table; + int ret = 0; + + ret = smu_cmn_update_table(smu, SMU_TABLE_OVERDRIVE, 0, (void *)user_od_table, true); + if (ret) + dev_err(smu->adev->dev, "Failed to import overdrive table!\n"); + + return ret; +} |