diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ci_dpm.c | 426 |
1 files changed, 402 insertions, 24 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 9dbc52f3c4d1..3f898d020ae6 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -184,6 +184,9 @@ static int ci_set_overdrive_target_tdp(struct radeon_device *rdev, u32 target_tdp); static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate); +static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev, + PPSMC_Msg msg, u32 parameter); + static struct ci_power_info *ci_get_pi(struct radeon_device *rdev) { struct ci_power_info *pi = rdev->pm.dpm.priv; @@ -355,6 +358,21 @@ static int ci_populate_dw8(struct radeon_device *rdev) return 0; } +static int ci_populate_fuzzy_fan(struct radeon_device *rdev) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + + if ((rdev->pm.dpm.fan.fan_output_sensitivity & (1 << 15)) || + (rdev->pm.dpm.fan.fan_output_sensitivity == 0)) + rdev->pm.dpm.fan.fan_output_sensitivity = + rdev->pm.dpm.fan.default_fan_output_sensitivity; + + pi->smc_powertune_table.FuzzyFan_PwmSetDelta = + cpu_to_be16(rdev->pm.dpm.fan.fan_output_sensitivity); + + return 0; +} + static int ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct radeon_device *rdev) { struct ci_power_info *pi = ci_get_pi(rdev); @@ -480,6 +498,9 @@ static int ci_populate_pm_base(struct radeon_device *rdev) ret = ci_populate_dw8(rdev); if (ret) return ret; + ret = ci_populate_fuzzy_fan(rdev); + if (ret) + return ret; ret = ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(rdev); if (ret) return ret; @@ -693,6 +714,25 @@ static int ci_enable_smc_cac(struct radeon_device *rdev, bool enable) return ret; } +static int ci_enable_thermal_based_sclk_dpm(struct radeon_device *rdev, + bool enable) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + PPSMC_Result smc_result = PPSMC_Result_OK; + + if (pi->thermal_sclk_dpm_enabled) { + if (enable) + smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_ENABLE_THERMAL_DPM); + else + smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DISABLE_THERMAL_DPM); + } + + if (smc_result == PPSMC_Result_OK) + return 0; + else + return -EINVAL; +} + static int ci_power_control_set_level(struct radeon_device *rdev) { struct ci_power_info *pi = ci_get_pi(rdev); @@ -859,6 +899,7 @@ static int ci_thermal_enable_alert(struct radeon_device *rdev, if (enable) { thermal_int &= ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); + WREG32_SMC(CG_THERMAL_INT, thermal_int); rdev->irq.dpm_thermal = false; result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Enable); if (result != PPSMC_Result_OK) { @@ -867,6 +908,7 @@ static int ci_thermal_enable_alert(struct radeon_device *rdev, } } else { thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; + WREG32_SMC(CG_THERMAL_INT, thermal_int); rdev->irq.dpm_thermal = true; result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Disable); if (result != PPSMC_Result_OK) { @@ -875,12 +917,325 @@ static int ci_thermal_enable_alert(struct radeon_device *rdev, } } - WREG32_SMC(CG_THERMAL_INT, thermal_int); + return 0; +} + +static void ci_fan_ctrl_set_static_mode(struct radeon_device *rdev, u32 mode) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + u32 tmp; + + if (pi->fan_ctrl_is_in_default_mode) { + tmp = (RREG32_SMC(CG_FDO_CTRL2) & FDO_PWM_MODE_MASK) >> FDO_PWM_MODE_SHIFT; + pi->fan_ctrl_default_mode = tmp; + tmp = (RREG32_SMC(CG_FDO_CTRL2) & TMIN_MASK) >> TMIN_SHIFT; + pi->t_min = tmp; + pi->fan_ctrl_is_in_default_mode = false; + } + + tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TMIN_MASK; + tmp |= TMIN(0); + WREG32_SMC(CG_FDO_CTRL2, tmp); + + tmp = RREG32_SMC(CG_FDO_CTRL2) & FDO_PWM_MODE_MASK; + tmp |= FDO_PWM_MODE(mode); + WREG32_SMC(CG_FDO_CTRL2, tmp); +} + +static int ci_thermal_setup_fan_table(struct radeon_device *rdev) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + SMU7_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE }; + u32 duty100; + u32 t_diff1, t_diff2, pwm_diff1, pwm_diff2; + u16 fdo_min, slope1, slope2; + u32 reference_clock, tmp; + int ret; + u64 tmp64; + + if (!pi->fan_table_start) { + rdev->pm.dpm.fan.ucode_fan_control = false; + return 0; + } + + duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT; + + if (duty100 == 0) { + rdev->pm.dpm.fan.ucode_fan_control = false; + return 0; + } + + tmp64 = (u64)rdev->pm.dpm.fan.pwm_min * duty100; + do_div(tmp64, 10000); + fdo_min = (u16)tmp64; + + t_diff1 = rdev->pm.dpm.fan.t_med - rdev->pm.dpm.fan.t_min; + t_diff2 = rdev->pm.dpm.fan.t_high - rdev->pm.dpm.fan.t_med; + + pwm_diff1 = rdev->pm.dpm.fan.pwm_med - rdev->pm.dpm.fan.pwm_min; + pwm_diff2 = rdev->pm.dpm.fan.pwm_high - rdev->pm.dpm.fan.pwm_med; + + slope1 = (u16)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100); + slope2 = (u16)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100); + + fan_table.TempMin = cpu_to_be16((50 + rdev->pm.dpm.fan.t_min) / 100); + fan_table.TempMed = cpu_to_be16((50 + rdev->pm.dpm.fan.t_med) / 100); + fan_table.TempMax = cpu_to_be16((50 + rdev->pm.dpm.fan.t_max) / 100); + + fan_table.Slope1 = cpu_to_be16(slope1); + fan_table.Slope2 = cpu_to_be16(slope2); + + fan_table.FdoMin = cpu_to_be16(fdo_min); + + fan_table.HystDown = cpu_to_be16(rdev->pm.dpm.fan.t_hyst); + + fan_table.HystUp = cpu_to_be16(1); + + fan_table.HystSlope = cpu_to_be16(1); + + fan_table.TempRespLim = cpu_to_be16(5); + + reference_clock = radeon_get_xclk(rdev); + + fan_table.RefreshPeriod = cpu_to_be32((rdev->pm.dpm.fan.cycle_delay * + reference_clock) / 1600); + + fan_table.FdoMax = cpu_to_be16((u16)duty100); + + tmp = (RREG32_SMC(CG_MULT_THERMAL_CTRL) & TEMP_SEL_MASK) >> TEMP_SEL_SHIFT; + fan_table.TempSrc = (uint8_t)tmp; + + ret = ci_copy_bytes_to_smc(rdev, + pi->fan_table_start, + (u8 *)(&fan_table), + sizeof(fan_table), + pi->sram_end); + + if (ret) { + DRM_ERROR("Failed to load fan table to the SMC."); + rdev->pm.dpm.fan.ucode_fan_control = false; + } + + return 0; +} + +static int ci_fan_ctrl_start_smc_fan_control(struct radeon_device *rdev) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + PPSMC_Result ret; + + if (pi->caps_od_fuzzy_fan_control_support) { + ret = ci_send_msg_to_smc_with_parameter(rdev, + PPSMC_StartFanControl, + FAN_CONTROL_FUZZY); + if (ret != PPSMC_Result_OK) + return -EINVAL; + ret = ci_send_msg_to_smc_with_parameter(rdev, + PPSMC_MSG_SetFanPwmMax, + rdev->pm.dpm.fan.default_max_fan_pwm); + if (ret != PPSMC_Result_OK) + return -EINVAL; + } else { + ret = ci_send_msg_to_smc_with_parameter(rdev, + PPSMC_StartFanControl, + FAN_CONTROL_TABLE); + if (ret != PPSMC_Result_OK) + return -EINVAL; + } return 0; } #if 0 +static int ci_fan_ctrl_stop_smc_fan_control(struct radeon_device *rdev) +{ + PPSMC_Result ret; + + ret = ci_send_msg_to_smc(rdev, PPSMC_StopFanControl); + if (ret == PPSMC_Result_OK) + return 0; + else + return -EINVAL; +} + +static int ci_fan_ctrl_get_fan_speed_percent(struct radeon_device *rdev, + u32 *speed) +{ + u32 duty, duty100; + u64 tmp64; + + if (rdev->pm.no_fan) + return -ENOENT; + + duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT; + duty = (RREG32_SMC(CG_THERMAL_STATUS) & FDO_PWM_DUTY_MASK) >> FDO_PWM_DUTY_SHIFT; + + if (duty100 == 0) + return -EINVAL; + + tmp64 = (u64)duty * 100; + do_div(tmp64, duty100); + *speed = (u32)tmp64; + + if (*speed > 100) + *speed = 100; + + return 0; +} + +static int ci_fan_ctrl_set_fan_speed_percent(struct radeon_device *rdev, + u32 speed) +{ + u32 tmp; + u32 duty, duty100; + u64 tmp64; + + if (rdev->pm.no_fan) + return -ENOENT; + + if (speed > 100) + return -EINVAL; + + if (rdev->pm.dpm.fan.ucode_fan_control) + ci_fan_ctrl_stop_smc_fan_control(rdev); + + duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT; + + if (duty100 == 0) + return -EINVAL; + + tmp64 = (u64)speed * duty100; + do_div(tmp64, 100); + duty = (u32)tmp64; + + tmp = RREG32_SMC(CG_FDO_CTRL0) & ~FDO_STATIC_DUTY_MASK; + tmp |= FDO_STATIC_DUTY(duty); + WREG32_SMC(CG_FDO_CTRL0, tmp); + + ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC); + + return 0; +} + +static int ci_fan_ctrl_get_fan_speed_rpm(struct radeon_device *rdev, + u32 *speed) +{ + u32 tach_period; + u32 xclk = radeon_get_xclk(rdev); + + if (rdev->pm.no_fan) + return -ENOENT; + + if (rdev->pm.fan_pulses_per_revolution == 0) + return -ENOENT; + + tach_period = (RREG32_SMC(CG_TACH_STATUS) & TACH_PERIOD_MASK) >> TACH_PERIOD_SHIFT; + if (tach_period == 0) + return -ENOENT; + + *speed = 60 * xclk * 10000 / tach_period; + + return 0; +} + +static int ci_fan_ctrl_set_fan_speed_rpm(struct radeon_device *rdev, + u32 speed) +{ + u32 tach_period, tmp; + u32 xclk = radeon_get_xclk(rdev); + + if (rdev->pm.no_fan) + return -ENOENT; + + if (rdev->pm.fan_pulses_per_revolution == 0) + return -ENOENT; + + if ((speed < rdev->pm.fan_min_rpm) || + (speed > rdev->pm.fan_max_rpm)) + return -EINVAL; + + if (rdev->pm.dpm.fan.ucode_fan_control) + ci_fan_ctrl_stop_smc_fan_control(rdev); + + tach_period = 60 * xclk * 10000 / (8 * speed); + tmp = RREG32_SMC(CG_TACH_CTRL) & ~TARGET_PERIOD_MASK; + tmp |= TARGET_PERIOD(tach_period); + WREG32_SMC(CG_TACH_CTRL, tmp); + + ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC); + + return 0; +} +#endif + +static void ci_fan_ctrl_set_default_mode(struct radeon_device *rdev) +{ + struct ci_power_info *pi = ci_get_pi(rdev); + u32 tmp; + + if (!pi->fan_ctrl_is_in_default_mode) { + tmp = RREG32_SMC(CG_FDO_CTRL2) & ~FDO_PWM_MODE_MASK; + tmp |= FDO_PWM_MODE(pi->fan_ctrl_default_mode); + WREG32_SMC(CG_FDO_CTRL2, tmp); + + tmp = RREG32_SMC(CG_FDO_CTRL2) & TMIN_MASK; + tmp |= TMIN(pi->t_min); + WREG32_SMC(CG_FDO_CTRL2, tmp); + pi->fan_ctrl_is_in_default_mode = true; + } +} + +static void ci_thermal_start_smc_fan_control(struct radeon_device *rdev) +{ + if (rdev->pm.dpm.fan.ucode_fan_control) { + ci_fan_ctrl_start_smc_fan_control(rdev); + ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC); + } +} + +static void ci_thermal_initialize(struct radeon_device *rdev) +{ + u32 tmp; + + if (rdev->pm.fan_pulses_per_revolution) { + tmp = RREG32_SMC(CG_TACH_CTRL) & ~EDGE_PER_REV_MASK; + tmp |= EDGE_PER_REV(rdev->pm.fan_pulses_per_revolution -1); + WREG32_SMC(CG_TACH_CTRL, tmp); + } + + tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TACH_PWM_RESP_RATE_MASK; + tmp |= TACH_PWM_RESP_RATE(0x28); + WREG32_SMC(CG_FDO_CTRL2, tmp); +} + +static int ci_thermal_start_thermal_controller(struct radeon_device *rdev) +{ + int ret; + + ci_thermal_initialize(rdev); + ret = ci_thermal_set_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); + if (ret) + return ret; + ret = ci_thermal_enable_alert(rdev, true); + if (ret) + return ret; + if (rdev->pm.dpm.fan.ucode_fan_control) { + ret = ci_thermal_setup_fan_table(rdev); + if (ret) + return ret; + ci_thermal_start_smc_fan_control(rdev); + } + + return 0; +} + +static void ci_thermal_stop_thermal_controller(struct radeon_device *rdev) +{ + if (!rdev->pm.no_fan) + ci_fan_ctrl_set_default_mode(rdev); +} + +#if 0 static int ci_read_smc_soft_register(struct radeon_device *rdev, u16 reg_offset, u32 *value) { @@ -3397,6 +3752,8 @@ static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev) struct ci_power_info *pi = ci_get_pi(rdev); PPSMC_Result result; + ci_apply_disp_minimum_voltage_request(rdev); + if (!pi->sclk_dpm_key_disabled) { if (pi->dpm_level_enable_mask.sclk_dpm_enable_mask) { result = ci_send_msg_to_smc_with_parameter(rdev, @@ -3416,7 +3773,7 @@ static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev) return -EINVAL; } } - +#if 0 if (!pi->pcie_dpm_key_disabled) { if (pi->dpm_level_enable_mask.pcie_dpm_enable_mask) { result = ci_send_msg_to_smc_with_parameter(rdev, @@ -3426,9 +3783,7 @@ static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev) return -EINVAL; } } - - ci_apply_disp_minimum_voltage_request(rdev); - +#endif return 0; } @@ -3454,7 +3809,7 @@ static void ci_find_dpm_states_clocks_in_dpm_table(struct radeon_device *rdev, pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; } else { /* XXX check display min clock requirements */ - if (0 != CISLAND_MINIMUM_ENGINE_CLOCK) + if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK) pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK; } @@ -3788,57 +4143,57 @@ int ci_dpm_force_performance_level(struct radeon_device *rdev, int ret; if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { - if ((!pi->sclk_dpm_key_disabled) && - pi->dpm_level_enable_mask.sclk_dpm_enable_mask) { + if ((!pi->pcie_dpm_key_disabled) && + pi->dpm_level_enable_mask.pcie_dpm_enable_mask) { levels = 0; - tmp = pi->dpm_level_enable_mask.sclk_dpm_enable_mask; + tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask; while (tmp >>= 1) levels++; if (levels) { - ret = ci_dpm_force_state_sclk(rdev, levels); + ret = ci_dpm_force_state_pcie(rdev, level); if (ret) return ret; for (i = 0; i < rdev->usec_timeout; i++) { - tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & - CURR_SCLK_INDEX_MASK) >> CURR_SCLK_INDEX_SHIFT; + tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) & + CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT; if (tmp == levels) break; udelay(1); } } } - if ((!pi->mclk_dpm_key_disabled) && - pi->dpm_level_enable_mask.mclk_dpm_enable_mask) { + if ((!pi->sclk_dpm_key_disabled) && + pi->dpm_level_enable_mask.sclk_dpm_enable_mask) { levels = 0; - tmp = pi->dpm_level_enable_mask.mclk_dpm_enable_mask; + tmp = pi->dpm_level_enable_mask.sclk_dpm_enable_mask; while (tmp >>= 1) levels++; if (levels) { - ret = ci_dpm_force_state_mclk(rdev, levels); + ret = ci_dpm_force_state_sclk(rdev, levels); if (ret) return ret; for (i = 0; i < rdev->usec_timeout; i++) { tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & - CURR_MCLK_INDEX_MASK) >> CURR_MCLK_INDEX_SHIFT; + CURR_SCLK_INDEX_MASK) >> CURR_SCLK_INDEX_SHIFT; if (tmp == levels) break; udelay(1); } } } - if ((!pi->pcie_dpm_key_disabled) && - pi->dpm_level_enable_mask.pcie_dpm_enable_mask) { + if ((!pi->mclk_dpm_key_disabled) && + pi->dpm_level_enable_mask.mclk_dpm_enable_mask) { levels = 0; - tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask; + tmp = pi->dpm_level_enable_mask.mclk_dpm_enable_mask; while (tmp >>= 1) levels++; if (levels) { - ret = ci_dpm_force_state_pcie(rdev, level); + ret = ci_dpm_force_state_mclk(rdev, levels); if (ret) return ret; for (i = 0; i < rdev->usec_timeout; i++) { - tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) & - CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT; + tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & + CURR_MCLK_INDEX_MASK) >> CURR_MCLK_INDEX_SHIFT; if (tmp == levels) break; udelay(1); @@ -3892,6 +4247,14 @@ int ci_dpm_force_performance_level(struct radeon_device *rdev, } } } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) { + if (!pi->pcie_dpm_key_disabled) { + PPSMC_Result smc_result; + + smc_result = ci_send_msg_to_smc(rdev, + PPSMC_MSG_PCIeDPM_UnForceLevel); + if (smc_result != PPSMC_Result_OK) + return -EINVAL; + } ret = ci_upload_dpm_level_enable_mask(rdev); if (ret) return ret; @@ -4841,6 +5204,14 @@ int ci_dpm_enable(struct radeon_device *rdev) ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); + ret = ci_enable_thermal_based_sclk_dpm(rdev, true); + if (ret) { + DRM_ERROR("ci_enable_thermal_based_sclk_dpm failed\n"); + return ret; + } + + ci_thermal_start_thermal_controller(rdev); + ci_update_current_ps(rdev, boot_ps); return 0; @@ -4886,6 +5257,8 @@ void ci_dpm_disable(struct radeon_device *rdev) if (!ci_is_smc_running(rdev)) return; + ci_thermal_stop_thermal_controller(rdev); + if (pi->thermal_protection) ci_enable_thermal_protection(rdev, false); ci_enable_power_containment(rdev, false); @@ -4900,6 +5273,7 @@ void ci_dpm_disable(struct radeon_device *rdev) ci_reset_to_default(rdev); ci_dpm_stop_smc(rdev); ci_force_switch_to_arb_f0(rdev); + ci_enable_thermal_based_sclk_dpm(rdev, false); ci_update_current_ps(rdev, boot_ps); } @@ -5299,6 +5673,7 @@ int ci_dpm_init(struct radeon_device *rdev) pi->sclk_dpm_key_disabled = 0; pi->mclk_dpm_key_disabled = 0; pi->pcie_dpm_key_disabled = 0; + pi->thermal_sclk_dpm_enabled = 0; /* mclk dpm is unstable on some R7 260X cards with the old mc ucode */ if ((rdev->pdev->device == 0x6658) && @@ -5406,7 +5781,7 @@ int ci_dpm_init(struct radeon_device *rdev) tmp |= DPM_ENABLED; break; default: - DRM_ERROR("Invalid PCC GPIO!"); + DRM_ERROR("Invalid PCC GPIO: %u!\n", gpio.shift); break; } WREG32_SMC(CNB_PWRMGT_CNTL, tmp); @@ -5473,6 +5848,9 @@ int ci_dpm_init(struct radeon_device *rdev) rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc = rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; + pi->fan_ctrl_is_in_default_mode = true; + rdev->pm.dpm.fan.ucode_fan_control = false; + return 0; } |