drm/radeon/dpm: add late_enable for rv7xx-NI

Make sure interrupts are enabled
before we enable thermal interrupts.

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

drivers/gpu/drm/radeon/radeon_asic.c

@@ -1241,6 +1241,7 @@ static struct radeon_asic rv770_asic = {
 		.init = &rv770_dpm_init,
 		.setup_asic = &rv770_dpm_setup_asic,
 		.enable = &rv770_dpm_enable,
+		.late_enable = &rv770_dpm_late_enable,
 		.disable = &rv770_dpm_disable,
 		.pre_set_power_state = &r600_dpm_pre_set_power_state,
 		.set_power_state = &rv770_dpm_set_power_state,
@@ -1359,6 +1360,7 @@ static struct radeon_asic evergreen_asic = {
 		.init = &cypress_dpm_init,
 		.setup_asic = &cypress_dpm_setup_asic,
 		.enable = &cypress_dpm_enable,
+		.late_enable = &rv770_dpm_late_enable,
 		.disable = &cypress_dpm_disable,
 		.pre_set_power_state = &r600_dpm_pre_set_power_state,
 		.set_power_state = &cypress_dpm_set_power_state,
@@ -1542,6 +1544,7 @@ static struct radeon_asic btc_asic = {
 		.init = &btc_dpm_init,
 		.setup_asic = &btc_dpm_setup_asic,
 		.enable = &btc_dpm_enable,
+		.late_enable = &rv770_dpm_late_enable,
 		.disable = &btc_dpm_disable,
 		.pre_set_power_state = &btc_dpm_pre_set_power_state,
 		.set_power_state = &btc_dpm_set_power_state,
@@ -1685,6 +1688,7 @@ static struct radeon_asic cayman_asic = {
 		.init = &ni_dpm_init,
 		.setup_asic = &ni_dpm_setup_asic,
 		.enable = &ni_dpm_enable,
+		.late_enable = &rv770_dpm_late_enable,
 		.disable = &ni_dpm_disable,
 		.pre_set_power_state = &ni_dpm_pre_set_power_state,
 		.set_power_state = &ni_dpm_set_power_state,

drivers/gpu/drm/radeon/radeon_asic.h

@@ -455,6 +455,7 @@ int rv770_get_temp(struct radeon_device *rdev);
 /* rv7xx pm */
 int rv770_dpm_init(struct radeon_device *rdev);
 int rv770_dpm_enable(struct radeon_device *rdev);
+int rv770_dpm_late_enable(struct radeon_device *rdev);
 void rv770_dpm_disable(struct radeon_device *rdev);
 int rv770_dpm_set_power_state(struct radeon_device *rdev);
 void rv770_dpm_setup_asic(struct radeon_device *rdev);

drivers/gpu/drm/radeon/rv770_dpm.c

@@ -1986,6 +1986,28 @@ int rv770_dpm_enable(struct radeon_device *rdev)
 	return 0;
 }
 
+int rv770_dpm_late_enable(struct radeon_device *rdev)
+{
+	int ret;
+
+	if (rdev->irq.installed &&
+	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
+		PPSMC_Result result;
+
+		ret = rv770_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
+		if (ret)
+			return ret;
+		rdev->irq.dpm_thermal = true;
+		radeon_irq_set(rdev);
+		result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableThermalInterrupt);
+
+		if (result != PPSMC_Result_OK)
+			DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
+	}
+
+	return 0;
+}
+
 void rv770_dpm_disable(struct radeon_device *rdev)
 {
 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);