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drm/radeon: rework CI dpm thermal setup

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In preparation for fan control.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2014-09-14 23:45:30 -04:00
parent 2271e2e2a2
commit 1955f107a7
2 changed files with 53 additions and 21 deletions
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70
drivers/gpu/drm/radeon/ci_dpm.c
View File

@ -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;
}
static int ci_set_temperature_range(struct radeon_device *rdev)
{
int ret;
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;
return ret;
}
int ci_dpm_late_enable(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);
if (result != PPSMC_Result_OK)
DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
#endif
}
ret = ci_set_temperature_range(rdev);
if (ret)
return ret;
ci_dpm_powergate_uvd(rdev, true);

4
drivers/gpu/drm/radeon/ppsmc.h
View File

@ -106,6 +106,7 @@ typedef uint8_t PPSMC_Result;
#define PPSMC_MSG_SAMUDPM_SetEnabledMask ((uint16_t) 0x130)
#define PPSMC_MSG_MCLKDPM_ForceState ((uint16_t) 0x131)
#define PPSMC_MSG_MCLKDPM_NoForcedLevel ((uint16_t) 0x132)
#define PPSMC_MSG_Thermal_Cntl_Disable ((uint16_t) 0x133)
#define PPSMC_MSG_Voltage_Cntl_Disable ((uint16_t) 0x135)
#define PPSMC_MSG_PCIeDPM_Enable ((uint16_t) 0x136)
#define PPSMC_MSG_PCIeDPM_Disable ((uint16_t) 0x13d)
@ -157,10 +158,11 @@ typedef uint8_t PPSMC_Result;
#define PPSMC_MSG_DPM_Config ((uint32_t) 0x102)
#define PPSMC_MSG_DPM_ForceState ((uint32_t) 0x104)
#define PPSMC_MSG_PG_SIMD_Config ((uint32_t) 0x108)
#define PPSMC_MSG_DPM_N_LevelsDisabled ((uint32_t) 0x112)
#define PPSMC_MSG_Thermal_Cntl_Enable ((uint32_t) 0x10a)
#define PPSMC_MSG_Voltage_Cntl_Enable ((uint32_t) 0x109)
#define PPSMC_MSG_VCEPowerOFF ((uint32_t) 0x10e)
#define PPSMC_MSG_VCEPowerON ((uint32_t) 0x10f)
#define PPSMC_MSG_DPM_N_LevelsDisabled ((uint32_t) 0x112)
#define PPSMC_MSG_DCE_RemoveVoltageAdjustment ((uint32_t) 0x11d)
#define PPSMC_MSG_DCE_AllowVoltageAdjustment ((uint32_t) 0x11e)
#define PPSMC_MSG_EnableBAPM ((uint32_t) 0x120)