drm/radeon: rework CI dpm thermal setup

In preparation for fan control.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 11a55e9..51bf798 100644 (file)
--- 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);
 

diff --git a/drivers/gpu/drm/radeon/ppsmc.h b/drivers/gpu/drm/radeon/ppsmc.h
index 5670b82..11c0e4d 100644 (file)
--- a/drivers/gpu/drm/radeon/ppsmc.h
+++ b/drivers/gpu/drm/radeon/ppsmc.h
@@ -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)