[PATCH 076/138] drm/amd/powerplay: add function to start thermal control

Huang Rui ray.huang at amd.com
Fri Jan 25 10:24:43 UTC 2019


From: Likun Gao <Likun.Gao at amd.com>

Add function to start thermal control for smu11 when smu hw_init.

Signed-off-by: Likun Gao <Likun.Gao at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c     |  4 ++++
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h |  4 ++++
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c      | 28 ++++++++++++++++++++++++++
 drivers/gpu/drm/amd/powerplay/vega20_ppt.c     |  1 +
 4 files changed, 37 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index cd04369..172b844 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -518,6 +518,10 @@ static int smu_hw_init(void *handle)
 	if (ret)
 		goto failed;
 
+	ret = smu_start_thermal_control(smu);
+	if (ret)
+		goto failed;
+
 	mutex_unlock(&smu->mutex);
 
 	pr_info("SMU is initialized successfully!\n");
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 4d12cd6..fe86a7f 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -165,6 +165,7 @@ struct smu_table_context
 	uint32_t			table_count;
 	struct smu_table		memory_pool;
 	uint16_t                        software_shutdown_temp;
+	uint8_t                         thermal_controller_type;
 };
 
 struct smu_dpm_context {
@@ -256,6 +257,7 @@ struct smu_funcs
 	int (*get_power_limit)(struct smu_context *smu);
 	int (*get_current_clk_freq)(struct smu_context *smu, uint32_t clk_id, uint32_t *value);
 	int (*init_max_sustainable_clocks)(struct smu_context *smu);
+	int (*start_thermal_control)(struct smu_context *smu);
 };
 
 #define smu_init_microcode(smu) \
@@ -338,6 +340,8 @@ struct smu_funcs
 	((smu)->funcs->get_current_clk_freq? (smu)->funcs->get_current_clk_freq((smu), (clk_id), (value)) : 0)
 #define smu_print_clk_levels(smu, type, buf) \
 	((smu)->ppt_funcs->print_clk_levels ? (smu)->ppt_funcs->print_clk_levels((smu), (type), (buf)) : 0)
+#define smu_start_thermal_control(smu) \
+	((smu)->funcs->start_thermal_control? (smu)->funcs->start_thermal_control((smu)) : 0)
 
 #define smu_msg_get_index(smu, msg) \
 	((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 55e9ed6..8ba6b9f 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -963,6 +963,33 @@ static int smu_v11_0_set_thermal_fan_table(struct smu_context *smu)
 	return ret;
 }
 
+static int smu_v11_0_start_thermal_control(struct smu_context *smu)
+{
+	int ret = 0;
+	struct PP_TemperatureRange range;
+	struct amdgpu_device *adev = smu->adev;
+
+	smu_v11_0_get_thermal_range(smu, &range);
+
+	if (smu->smu_table.thermal_controller_type) {
+		ret = smu_v11_0_set_thermal_range(smu, &range);
+		if (ret)
+			return ret;
+
+		ret = smu_v11_0_enable_thermal_alert(smu);
+		if (ret)
+			return ret;
+		ret = smu_v11_0_set_thermal_fan_table(smu);
+		if (ret)
+			return ret;
+	}
+
+	adev->pm.dpm.thermal.min_temp = range.min;
+	adev->pm.dpm.thermal.max_temp = range.max;
+
+	return ret;
+}
+
 static const struct smu_funcs smu_v11_0_funcs = {
 	.init_microcode = smu_v11_0_init_microcode,
 	.load_microcode = smu_v11_0_load_microcode,
@@ -994,6 +1021,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
 	.get_power_limit = smu_v11_0_get_power_limit,
 	.get_current_clk_freq = smu_v11_0_get_current_clk_freq,
 	.init_max_sustainable_clocks = smu_v11_0_init_max_sustainable_clocks,
+	.start_thermal_control = smu_v11_0_start_thermal_control,
 };
 
 void smu_v11_0_set_smu_funcs(struct smu_context *smu)
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 45f3276..171cfc8 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -160,6 +160,7 @@ static int vega20_store_powerplay_table(struct smu_context *smu)
 	       sizeof(PPTable_t));
 
 	table_context->software_shutdown_temp = powerplay_table->usSoftwareShutdownTemp;
+	table_context->thermal_controller_type = powerplay_table->ucThermalControllerType;
 
 	return 0;
 }
-- 
2.7.4



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