From 8b9242eddd51f17b8306d6c96172fd68ef1106c6 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Thu, 27 Apr 2017 15:48:56 +0800 Subject: [PATCH] drm/amd/powerplay: implement stop dpm task for vega10. Add functions to disable dpm for S3/S4. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- .../drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 97 +++++++++++++++++++ .../amd/powerplay/hwmgr/vega10_powertune.c | 23 +++++ .../amd/powerplay/hwmgr/vega10_powertune.h | 1 + .../drm/amd/powerplay/hwmgr/vega10_thermal.c | 2 +- .../drm/amd/powerplay/hwmgr/vega10_thermal.h | 1 + 5 files changed, 123 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 5e3e89be9fb6..68eae529df50 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -2420,6 +2420,26 @@ static int vega10_enable_thermal_protection(struct pp_hwmgr *hwmgr) return 0; } +static int vega10_disable_thermal_protection(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); + + if (data->smu_features[GNLD_THERMAL].supported) { + if (!data->smu_features[GNLD_THERMAL].enabled) + pr_info("THERMAL Feature Already disabled!"); + + PP_ASSERT_WITH_CODE( + !vega10_enable_smc_features(hwmgr->smumgr, + false, + data->smu_features[GNLD_THERMAL].smu_feature_bitmap), + "disable THERMAL Feature Failed!", + return -1); + data->smu_features[GNLD_THERMAL].enabled = false; + } + + return 0; +} + static int vega10_enable_vrhot_feature(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = @@ -2498,6 +2518,37 @@ static int vega10_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr) return 0; } +static int vega10_stop_dpm(struct pp_hwmgr *hwmgr, uint32_t bitmap) +{ + struct vega10_hwmgr *data = + (struct vega10_hwmgr *)(hwmgr->backend); + uint32_t i, feature_mask = 0; + + + if(data->smu_features[GNLD_LED_DISPLAY].supported == true){ + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + true, data->smu_features[GNLD_LED_DISPLAY].smu_feature_bitmap), + "Attempt to Enable LED DPM feature Failed!", return -EINVAL); + data->smu_features[GNLD_LED_DISPLAY].enabled = true; + } + + for (i = 0; i < GNLD_DPM_MAX; i++) { + if (data->smu_features[i].smu_feature_bitmap & bitmap) { + if (data->smu_features[i].supported) { + if (data->smu_features[i].enabled) { + feature_mask |= data->smu_features[i]. + smu_feature_bitmap; + data->smu_features[i].enabled = false; + } + } + } + } + + vega10_enable_smc_features(hwmgr->smumgr, false, feature_mask); + + return 0; +} + /** * @brief Tell SMC to enabled the supported DPMs. * @@ -4356,11 +4407,55 @@ vega10_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmg return is_update_required; } +static int vega10_disable_dpm_tasks(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = (vega10_is_dpm_running(hwmgr)) ? 0 : -1; + PP_ASSERT_WITH_CODE(tmp_result == 0, + "DPM is not running right now, no need to disable DPM!", + return 0); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalController)) + vega10_disable_thermal_protection(hwmgr); + + tmp_result = vega10_disable_power_containment(hwmgr); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to disable power containment!", result = tmp_result); + + tmp_result = vega10_avfs_enable(hwmgr, false); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to disable AVFS!", result = tmp_result); + + tmp_result = vega10_stop_dpm(hwmgr, SMC_DPM_FEATURES); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to stop DPM!", result = tmp_result); + + return result; +} + +static int vega10_power_off_asic(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); + int result; + + result = vega10_disable_dpm_tasks(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "[disable_dpm_tasks] Failed to disable DPM!", + ); + data->water_marks_bitmap &= ~(WaterMarksLoaded); + + return result; +} + + static const struct pp_hwmgr_func vega10_hwmgr_funcs = { .backend_init = vega10_hwmgr_backend_init, .backend_fini = vega10_hwmgr_backend_fini, .asic_setup = vega10_setup_asic_task, .dynamic_state_management_enable = vega10_enable_dpm_tasks, + .dynamic_state_management_disable = vega10_disable_dpm_tasks, .get_num_of_pp_table_entries = vega10_get_number_of_powerplay_table_entries, .get_power_state_size = vega10_get_power_state_size, @@ -4400,6 +4495,8 @@ static const struct pp_hwmgr_func vega10_hwmgr_funcs = { .check_states_equal = vega10_check_states_equal, .check_smc_update_required_for_display_configuration = vega10_check_smc_update_required_for_display_configuration, + .power_off_asic = vega10_power_off_asic, + .disable_smc_firmware_ctf = vega10_thermal_disable_alert, }; int vega10_hwmgr_init(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c index f1e244cd2370..692f752fbb27 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c @@ -113,6 +113,29 @@ int vega10_enable_power_containment(struct pp_hwmgr *hwmgr) return result; } +int vega10_disable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = + (struct vega10_hwmgr *)(hwmgr->backend); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (data->smu_features[GNLD_PPT].supported) + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + false, data->smu_features[GNLD_PPT].smu_feature_bitmap), + "Attempt to disable PPT feature Failed!", + data->smu_features[GNLD_PPT].supported = false); + + if (data->smu_features[GNLD_TDC].supported) + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + false, data->smu_features[GNLD_TDC].smu_feature_bitmap), + "Attempt to disable PPT feature Failed!", + data->smu_features[GNLD_TDC].supported = false); + } + + return 0; +} + static int vega10_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr, uint32_t adjust_percent) { diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.h index d9662bf4a4b4..9ecaa27c0bb5 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.h @@ -60,6 +60,7 @@ int vega10_enable_smc_cac(struct pp_hwmgr *hwmgr); int vega10_enable_power_containment(struct pp_hwmgr *hwmgr); int vega10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n); int vega10_power_control_set_level(struct pp_hwmgr *hwmgr); +int vega10_disable_power_containment(struct pp_hwmgr *hwmgr); #endif /* _VEGA10_POWERTUNE_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c index f4d77b62e1ba..7062ec8cc4ac 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c @@ -501,7 +501,7 @@ static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr) * Disable thermal alerts on the RV770 thermal controller. * @param hwmgr The address of the hardware manager. */ -static int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr) +int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h index 8036808ec421..70c1d22b3d7d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h @@ -78,6 +78,7 @@ extern int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); extern int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr); extern uint32_t smu7_get_xclk(struct pp_hwmgr *hwmgr); +extern int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr); #endif