drm/amdgpu/smu11: add a helper to set the power source

Add a common smu11 helper to set the AC/DC power source. Bug: https://gitlab.freedesktop.org/drm/amd/issues/1043 Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mariux64 · Mar 25, 2020 · f8c8321 · f8c8321
1 parent 2c02b38
commit f8c8321
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
@@ -267,4 +267,7 @@ uint32_t smu_v11_0_get_max_power_limit(struct smu_context *smu);
 int smu_v11_0_set_performance_level(struct smu_context *smu,
 				    enum amd_dpm_forced_level level);
 
+int smu_v11_0_set_power_source(struct smu_context *smu,
+			       enum smu_power_src_type power_src);
+
 #endif
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1939,3 +1939,18 @@ int smu_v11_0_set_performance_level(struct smu_context *smu,
 	return ret;
 }
 
+int smu_v11_0_set_power_source(struct smu_context *smu,
+			       enum smu_power_src_type power_src)
+{
+	int pwr_source;
+
+	pwr_source = smu_power_get_index(smu, (uint32_t)power_src);
+	if (pwr_source < 0)
+		return -EINVAL;
+
+	return smu_send_smc_msg_with_param(smu,
+					SMU_MSG_NotifyPowerSource,
+					pwr_source,
+					NULL);
+}
+