From e9bef44f9178019b2a951f1de4925e80e7da0569 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Tue, 18 Sep 2018 18:04:44 +0800 Subject: [PATCH 5470/5725] drm/amd/powerplay: enable fan RPM and pwm settings V2 Manual fan RPM and pwm setting on vega20 are available now. V2: correct the register for fan speed setting and avoid divide-by-zero Change-Id: Iad45a169d6984acc091c4efaf46973619fe43a29 Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Reviewed-by: Rex Zhu --- .../amd/include/asic_reg/thm/thm_11_0_2_offset.h | 12 ++ .../amd/include/asic_reg/thm/thm_11_0_2_sh_mask.h | 10 ++ drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 27 ++++ .../gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c | 151 ++++++++++++++++++++- .../gpu/drm/amd/powerplay/hwmgr/vega20_thermal.h | 11 +- 5 files changed, 207 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_offset.h b/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_offset.h index 510ec3c..a9eb57a 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_offset.h +++ b/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_offset.h @@ -26,6 +26,18 @@ #define mmCG_MULT_THERMAL_STATUS 0x005f #define mmCG_MULT_THERMAL_STATUS_BASE_IDX 0 +#define mmCG_FDO_CTRL0 0x0067 +#define mmCG_FDO_CTRL0_BASE_IDX 0 + +#define mmCG_FDO_CTRL1 0x0068 +#define mmCG_FDO_CTRL1_BASE_IDX 0 + +#define mmCG_FDO_CTRL2 0x0069 +#define mmCG_FDO_CTRL2_BASE_IDX 0 + +#define mmCG_TACH_CTRL 0x006a +#define mmCG_TACH_CTRL_BASE_IDX 0 + #define mmTHM_THERMAL_INT_ENA 0x000a #define mmTHM_THERMAL_INT_ENA_BASE_IDX 0 #define mmTHM_THERMAL_INT_CTRL 0x000b diff --git a/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_sh_mask.h index f69533f..d130d92 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/thm/thm_11_0_2_sh_mask.h @@ -28,6 +28,16 @@ #define CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT 0x9 #define CG_MULT_THERMAL_STATUS__ASIC_MAX_TEMP_MASK 0x000001FFL #define CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK 0x0003FE00L +#define CG_FDO_CTRL2__TMIN__SHIFT 0x0 +#define CG_FDO_CTRL2__TMIN_MASK 0x000000FFL +#define CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT 0xb +#define CG_FDO_CTRL2__FDO_PWM_MODE_MASK 0x00003800L +#define CG_FDO_CTRL1__FMAX_DUTY100__SHIFT 0x0 +#define CG_FDO_CTRL1__FMAX_DUTY100_MASK 0x000000FFL +#define CG_FDO_CTRL0__FDO_STATIC_DUTY__SHIFT 0x0 +#define CG_FDO_CTRL0__FDO_STATIC_DUTY_MASK 0x000000FFL +#define CG_TACH_CTRL__TARGET_PERIOD__SHIFT 0x3 +#define CG_TACH_CTRL__TARGET_PERIOD_MASK 0xFFFFFFF8L //THM_THERMAL_INT_ENA #define THM_THERMAL_INT_ENA__THERM_INTH_SET__SHIFT 0x0 diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index 6ece7d7..ee38ed5 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -2289,6 +2289,25 @@ static uint32_t vega20_get_fan_control_mode(struct pp_hwmgr *hwmgr) return AMD_FAN_CTRL_AUTO; } +static void vega20_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + switch (mode) { + case AMD_FAN_CTRL_NONE: + vega20_fan_ctrl_set_fan_speed_percent(hwmgr, 100); + break; + case AMD_FAN_CTRL_MANUAL: + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + vega20_fan_ctrl_stop_smc_fan_control(hwmgr); + break; + case AMD_FAN_CTRL_AUTO: + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + vega20_fan_ctrl_start_smc_fan_control(hwmgr); + break; + default: + break; + } +} + static int vega20_get_dal_power_level(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *info) { @@ -3452,12 +3471,20 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = { .disable_smc_firmware_ctf = vega20_thermal_disable_alert, /* fan control related */ + .get_fan_speed_percent = + vega20_fan_ctrl_get_fan_speed_percent, + .set_fan_speed_percent = + vega20_fan_ctrl_set_fan_speed_percent, .get_fan_speed_info = vega20_fan_ctrl_get_fan_speed_info, .get_fan_speed_rpm = vega20_fan_ctrl_get_fan_speed_rpm, + .set_fan_speed_rpm = + vega20_fan_ctrl_set_fan_speed_rpm, .get_fan_control_mode = vega20_get_fan_control_mode, + .set_fan_control_mode = + vega20_set_fan_control_mode, /* smu memory related */ .notify_cac_buffer_info = vega20_notify_cac_buffer_info, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c index 1c951a5..ede54e8 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c @@ -29,6 +29,78 @@ #include "soc15_common.h" #include "pp_debug.h" +static int vega20_disable_fan_control_feature(struct pp_hwmgr *hwmgr) +{ + struct vega20_hwmgr *data = hwmgr->backend; + int ret = 0; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) { + ret = vega20_enable_smc_features( + hwmgr, false, + data->smu_features[GNLD_FAN_CONTROL]. + smu_feature_bitmap); + PP_ASSERT_WITH_CODE(!ret, + "Disable FAN CONTROL feature Failed!", + return ret); + data->smu_features[GNLD_FAN_CONTROL].enabled = false; + } + + return ret; +} + +int vega20_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + struct vega20_hwmgr *data = hwmgr->backend; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) + return vega20_disable_fan_control_feature(hwmgr); + + return 0; +} + +static int vega20_enable_fan_control_feature(struct pp_hwmgr *hwmgr) +{ + struct vega20_hwmgr *data = hwmgr->backend; + int ret = 0; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) { + ret = vega20_enable_smc_features( + hwmgr, true, + data->smu_features[GNLD_FAN_CONTROL]. + smu_feature_bitmap); + PP_ASSERT_WITH_CODE(!ret, + "Enable FAN CONTROL feature Failed!", + return ret); + data->smu_features[GNLD_FAN_CONTROL].enabled = true; + } + + return ret; +} + +int vega20_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + struct vega20_hwmgr *data = hwmgr->backend; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) + return vega20_enable_fan_control_feature(hwmgr); + + return 0; +} + +static int vega20_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + struct amdgpu_device *adev = hwmgr->adev; + + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, TMIN, 0)); + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, FDO_PWM_MODE, mode)); + + return 0; +} + static int vega20_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm) { int ret = 0; @@ -42,12 +114,62 @@ static int vega20_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm) return 0; } +int vega20_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t *speed) +{ + struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); + PPTable_t *pp_table = &(data->smc_state_table.pp_table); + uint32_t current_rpm, percent = 0; + int ret = 0; + + ret = vega20_get_current_rpm(hwmgr, ¤t_rpm); + if (ret) + return ret; + + percent = current_rpm * 100 / pp_table->FanMaximumRpm; + + *speed = percent > 100 ? 100 : percent; + + return 0; +} + +int vega20_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t speed) +{ + struct amdgpu_device *adev = hwmgr->adev; + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (speed > 100) + speed = 100; + + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + vega20_fan_ctrl_stop_smc_fan_control(hwmgr); + + duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), + CG_FDO_CTRL1, FMAX_DUTY100); + + if (duty100 == 0) + return -EINVAL; + + tmp64 = (uint64_t)speed * duty100; + do_div(tmp64, 100); + duty = (uint32_t)tmp64; + + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL0), + CG_FDO_CTRL0, FDO_STATIC_DUTY, duty)); + + return vega20_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); +} + int vega20_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info) { memset(fan_speed_info, 0, sizeof(*fan_speed_info)); - fan_speed_info->supports_percent_read = false; - fan_speed_info->supports_percent_write = false; + fan_speed_info->supports_percent_read = true; + fan_speed_info->supports_percent_write = true; fan_speed_info->supports_rpm_read = true; fan_speed_info->supports_rpm_write = true; @@ -61,6 +183,31 @@ int vega20_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) return vega20_get_current_rpm(hwmgr, speed); } +int vega20_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + struct amdgpu_device *adev = hwmgr->adev; + uint32_t tach_period, crystal_clock_freq; + int result = 0; + + if (!speed) + return -EINVAL; + + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) { + result = vega20_fan_ctrl_stop_smc_fan_control(hwmgr); + if (result) + return result; + } + + crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev); + 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 vega20_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM); +} + /** * Reads the remote temperature from the SIslands thermal controller. * diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.h index 2a6d49f..2d1769b 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.h @@ -50,15 +50,22 @@ struct vega20_temperature { #define FDO_PWM_MODE_STATIC_RPM 5 extern int vega20_thermal_get_temperature(struct pp_hwmgr *hwmgr); -extern int vega20_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr); extern int vega20_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info); -extern int vega20_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr); extern int vega20_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int vega20_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, + uint32_t speed); +extern int vega20_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t *speed); +extern int vega20_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t speed); +extern int vega20_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr); +extern int vega20_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr); extern int vega20_thermal_disable_alert(struct pp_hwmgr *hwmgr); extern int vega20_start_thermal_controller(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *range); +extern int vega20_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr); #endif -- 2.7.4