From 5784d5cca66b362e3588c189eada757cf664ae6c Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Thu, 4 May 2017 14:51:31 +0800 Subject: [PATCH] drm/amd/powerplay: Setup sw CTF to allow graceful exit when temperature exceeds maximum. cherry-pick from amd windows driver. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- .../drm/amd/powerplay/hwmgr/vega10_thermal.c | 73 ++++++++++++------- 1 file changed, 45 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c index 5da88ba4a53c..d5f53d04fa08 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c @@ -381,14 +381,10 @@ int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr) temp = cgs_read_register(hwmgr->device, reg); - temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >> - CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT; + temp = (temp & CG_MULT_THERMAL_STATUS__ASIC_MAX_TEMP_MASK) >> + CG_MULT_THERMAL_STATUS__ASIC_MAX_TEMP__SHIFT; - /* Bit 9 means the reading is lower than the lowest usable value. */ - if (temp & 0x200) - temp = VEGA10_THERMAL_MAXIMUM_TEMP_READING; - else - temp = temp & 0x1ff; + temp = temp & 0x1ff; temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES; @@ -424,23 +420,28 @@ static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, mmTHM_THERMAL_INT_CTRL_BASE_IDX, mmTHM_THERMAL_INT_CTRL); val = cgs_read_register(hwmgr->device, reg); - val &= ~(THM_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK); - val |= (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) << - THM_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT; - val &= ~(THM_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK); - val |= (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) << - THM_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT; + + val &= (~THM_THERMAL_INT_CTRL__MAX_IH_CREDIT_MASK); + val |= (5 << THM_THERMAL_INT_CTRL__MAX_IH_CREDIT__SHIFT); + + val &= (~THM_THERMAL_INT_CTRL__THERM_IH_HW_ENA_MASK); + val |= (1 << THM_THERMAL_INT_CTRL__THERM_IH_HW_ENA__SHIFT); + + val &= (~THM_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK); + val |= ((high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) + << THM_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT); + + val &= (~THM_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK); + val |= ((low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) + << THM_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT); + + val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK); + cgs_write_register(hwmgr->device, reg, val); reg = soc15_get_register_offset(THM_HWID, 0, mmTHM_TCON_HTC_BASE_IDX, mmTHM_TCON_HTC); - val = cgs_read_register(hwmgr->device, reg); - val &= ~(THM_TCON_HTC__HTC_TMP_LMT_MASK); - val |= (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) << - THM_TCON_HTC__HTC_TMP_LMT__SHIFT; - cgs_write_register(hwmgr->device, reg, val); - return 0; } @@ -482,18 +483,28 @@ static int vega10_thermal_initialize(struct pp_hwmgr *hwmgr) static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); + uint32_t val = 0; + uint32_t reg; if (data->smu_features[GNLD_FW_CTF].supported) { if (data->smu_features[GNLD_FW_CTF].enabled) printk("[Thermal_EnableAlert] FW CTF Already Enabled!\n"); + + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + true, + data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), + "Attempt to Enable FW CTF feature Failed!", + return -1); + data->smu_features[GNLD_FW_CTF].enabled = true; } - PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, - true, - data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), - "Attempt to Enable FW CTF feature Failed!", - return -1); - data->smu_features[GNLD_FW_CTF].enabled = true; + val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT); + val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT); + val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT); + + reg = soc15_get_register_offset(THM_HWID, 0, mmTHM_THERMAL_INT_ENA_BASE_IDX, mmTHM_THERMAL_INT_ENA); + cgs_write_register(hwmgr->device, reg, val); + return 0; } @@ -504,18 +515,24 @@ static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr) int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); + uint32_t reg; if (data->smu_features[GNLD_FW_CTF].supported) { if (!data->smu_features[GNLD_FW_CTF].enabled) printk("[Thermal_EnableAlert] FW CTF Already disabled!\n"); - } - PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, false, data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), "Attempt to disable FW CTF feature Failed!", return -1); - data->smu_features[GNLD_FW_CTF].enabled = false; + data->smu_features[GNLD_FW_CTF].enabled = false; + } + + reg = soc15_get_register_offset(THM_HWID, 0, mmTHM_THERMAL_INT_ENA_BASE_IDX, mmTHM_THERMAL_INT_ENA); + cgs_write_register(hwmgr->device, reg, 0); + return 0; } -- 2.20.1