diff options
author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-15 07:45:30 +0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2014-11-12 19:56:35 +0300 |
commit | 1955f107a7bf5c9f718bf5025a24f5ff1607d7b2 (patch) | |
tree | 25c53127ceb9140513ce3cb8b087860afc8225b6 /drivers/gpu/drm/radeon/ci_dpm.c | |
parent | 2271e2e2a2525f826549f1aa19db36e0b80082fe (diff) | |
download | linux-1955f107a7bf5c9f718bf5025a24f5ff1607d7b2.tar.xz |
drm/radeon: rework CI dpm thermal setup
In preparation for fan control.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ci_dpm.c')
-rw-r--r-- | drivers/gpu/drm/radeon/ci_dpm.c | 70 |
1 files changed, 50 insertions, 20 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 11a55e9dad7f..51bf7980bd6a 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -814,7 +814,7 @@ static void ci_apply_state_adjust_rules(struct radeon_device *rdev, } } -static int ci_set_thermal_temperature_range(struct radeon_device *rdev, +static int ci_thermal_set_temperature_range(struct radeon_device *rdev, int min_temp, int max_temp) { int low_temp = 0 * 1000; @@ -850,6 +850,35 @@ static int ci_set_thermal_temperature_range(struct radeon_device *rdev, return 0; } +static int ci_thermal_enable_alert(struct radeon_device *rdev, + bool enable) +{ + u32 thermal_int = RREG32_SMC(CG_THERMAL_INT); + PPSMC_Result result; + + if (enable) { + thermal_int &= ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); + rdev->irq.dpm_thermal = false; + result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Enable); + if (result != PPSMC_Result_OK) { + DRM_DEBUG_KMS("Could not enable thermal interrupts.\n"); + return -EINVAL; + } + } else { + thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; + rdev->irq.dpm_thermal = true; + result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Disable); + if (result != PPSMC_Result_OK) { + DRM_DEBUG_KMS("Could not disable thermal interrupts.\n"); + return -EINVAL; + } + } + + WREG32_SMC(CG_THERMAL_INT, thermal_int); + + return 0; +} + #if 0 static int ci_read_smc_soft_register(struct radeon_device *rdev, u16 reg_offset, u32 *value) @@ -4682,29 +4711,30 @@ int ci_dpm_enable(struct radeon_device *rdev) return 0; } -int ci_dpm_late_enable(struct radeon_device *rdev) +static int ci_set_temperature_range(struct radeon_device *rdev) { int ret; - if (rdev->irq.installed && - r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { -#if 0 - PPSMC_Result result; -#endif - ret = ci_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); - if (ret) { - DRM_ERROR("ci_set_thermal_temperature_range failed\n"); - return ret; - } - rdev->irq.dpm_thermal = true; - radeon_irq_set(rdev); -#if 0 - result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableThermalInterrupt); + ret = ci_thermal_enable_alert(rdev, false); + if (ret) + return ret; + 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 (result != PPSMC_Result_OK) - DRM_DEBUG_KMS("Could not enable thermal interrupts.\n"); -#endif - } + return ret; +} + +int ci_dpm_late_enable(struct radeon_device *rdev) +{ + int ret; + + ret = ci_set_temperature_range(rdev); + if (ret) + return ret; ci_dpm_powergate_uvd(rdev, true); |